目录

收起
1.关于Python
2.Python编程环境搭建
3.变量类型和运算符
4.列表、元组、字典和集合
5.Python字符串常用方法
6.Python流程控制
7.函数和lambda表达式
8.Python类和对象
9.Python类特殊成员方法与属性操作全解析
10.Python异常处理机制
11.模块与包管理技术解析
12.文件系统操作与IO管理
13.Python高级编程核心技术深度解析
14.Python核心类型转换函数原理与应用
15.代码实例
16.常见问题及解决
17.知识点问答

insmod: ERROR: could not insert module accel.ko: Invalid module format

在加载内核模块 `accel.ko` 时遇到 **"Invalid module format"** 错误，通常是由于模块与当前运行的内核版本不兼容或模块文件损坏导致的。以下是可能的原因和解决方案： ### 原因分析 1. **模块签名验证失败**：某些系统启用了内核模块签名验证（如 Secure Boot），如果模块未被正确签名，则无法加载。 2. **模块构建时使用的内核头文件与当前运行的内核不匹配**：模块依赖于特定版本的内核符号和结构，若构建环境与运行环境不同，则会导致模块格式无效[^1]。 3. **模块文件损坏或构建不完整**：模块编译过程中出现错误，或文件传输过程中损坏。 4. **架构不一致**：例如在 64 位系统上尝试加载 32 位模块，或反之。 --- ### 解决方案 #### 1. 检查内核版本一致性 确保构建模块所使用的内核头文件版本与当前运行的内核版本一致： ```bash uname -r ``` 然后确认安装了对应的内核开发包，例如在基于 Debian 的系统中： ```bash sudo apt install linux-headers-$(uname -r) ``` #### 2. 使用 modinfo 查看模块信息 检查模块支持的内核版本和其他元数据： ```bash modinfo accel.ko ``` 查看输出中的 `vermagic` 字段，确认其与当前内核版本匹配。 #### 3. 禁用模块签名验证（适用于测试环境） 如果系统启用了模块签名验证，可以尝试临时禁用以测试是否为该问题导致： - 在启动时修改 GRUB 参数，添加 `module.sig_enforce=0`。 - 或者在 UEFI 设置中禁用 Secure Boot。 #### 4. 重新构建模块 清理并重新构建模块，确保编译环境正确： ```bash make clean make ``` 确保 Makefile 中指定的 `KERNELRELEASE` 与当前运行的内核一致。 #### 5. 强制加载模块（谨慎使用） 如果确认模块适配当前内核但仍然报错，可尝试使用 `--force` 参数加载（仅限调试）： ```bash sudo insmod --force accel.ko ``` 注意：此方法可能会导致系统不稳定或安全风险，不建议在生产环境中使用。 --- ### 验证模块加载情况 成功加载后，使用以下命令验证模块是否已载入： ```bash lsmod | grep accel ``` ---

创作声明：本文部分内容由AI辅助生成（AIGC），仅供参考

Python内容推荐

Python常用英文单词

Python常用英文单词

Python常用英文单词

python编程必备英语（全)

python编程必备英语（全)

python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)python编程必备英语（全)

python常用英文单词.docx

python常用英文单词.docx

python常用英文单词.docx

Python中英文词汇对照表(2020).pdf

Python中英文词汇对照表(2020).pdf

Python的强大以及广泛应用已成为人们的共识，目前Python已经广受数学科学、AI和脚本语言开发人员的欢迎。在过去5年，Python语言的流行性也不断增加。附上2020年Python面试题汇总及答案详解，助您求职无忧

XGBoost光伏阵列故障诊断+XGBoost研究（Python代码实现）

XGBoost光伏阵列故障诊断+XGBoost研究（Python代码实现）

内容概要：本文系统研究了基于XGBoost的光伏阵列多类型复合故障诊断方法，深入探讨了如何利用XGBoost这一高性能集成学习算法实现对光伏系统中短路、开路、阴影遮挡等多种典型故障的高精度识别与分类。文章详细阐述了XGBoost模型的理论基础及其在故障诊断中的独特优势，包括优异的非线性拟合能力、对缺失数据的鲁棒性、高效的训练速度以及出色的泛化性能。研究通过采集光伏阵列的实际运行数据（如电压、电流、温度等关键特征参数），构建高质量的训练数据集，并设计合理的特征工程流程，进而建立基于XGBoost的故障诊断模型。实验结果表明，该模型在准确率、召回率和F1-score等核心评价指标上均显著优于传统的SVM、决策树等机器学习方法，展现出卓越的诊断效能。此外，文章配套提供了完整的Python代码实现，涵盖数据预处理、模型训练、参数调优与性能评估全过程，极大地方便了读者复现研究成果并将其应用于实际的光伏电站智能运维系统中。; 适合人群：具备一定Python编程能力和机器学习基础知识，从事新能源发电、电力系统监控、智能运维或工业故障诊断等相关领域的科研人员、工程师和技术开发者，特别适合致力于提升光伏发电系统自动化、智能化管理水平的专业人士。; 使用场景及目标：① 实现光伏电站的实时故障监测与早期预警，提升运维效率并降低发电损失；② 构建智能诊断模块集成于光伏监控平台，实现故障的自动化识别与分类；③ 为相关科研项目提供可复现的算法范例与代码基础，推动先进机器学习技术在新能源领域的应用研究； 阅读建议：建议读者结合所提供的完整Python代码，动手实践数据清洗、特征提取、模型训练与交叉验证的全流程，深入理解XGBoost算法的关键参数（如学习率、树的深度、正则化项）对模型性能的影响，并尝试通过网格搜索或贝叶斯优化等方法进行超参数调优，以适应不同规模和环境下的光伏系统诊断需求。

基于去噪概率扩散模型(DDPM)的电动汽车充电行为场景生成（Python代码实现）

基于去噪概率扩散模型(DDPM)的电动汽车充电行为场景生成（Python代码实现）

内容概要：本文提出了一种基于去噪概率扩散模型（DDPM）的电动汽车充电行为场景生成方法，利用Python实现对复杂充电行为的高精度建模与仿真。该方法通过构建深度生成模型，从历史充电数据中学习充电起始时间、持续时长、电量需求以及时空分布等多维特征的概率分布，借助DDPM逐步去噪的生成机制，生成具有高度真实性和多样性的充电场景数据。文中详细阐述了模型架构设计、训练流程优化、条件输入处理及噪声调度策略，并通过实验证明其在捕捉充电行为统计特性、时空相关性及负荷波动规律方面的优越性能，为智能电网规划与运营提供了可靠的数据支撑。; 适合人群：具备一定Python编程基础和深度学习知识背景，从事电力系统、交通电气化、城市能源规划、智能电网或数据科学等相关领域的研究人员、工程师及高校研究生。; 使用场景及目标：①支撑大规模电动汽车接入下的电网负荷预测与承载能力评估；②优化充电基础设施布局与容量配置；③支持车网互动（V2G）、需求响应策略制定及微网能量管理研究；④推动数据驱动的能源-交通融合系统建模与仿真。; 阅读建议：建议读者结合所提供的Python代码进行实践操作，重点关注DDPM在时间序列生成任务中的适配性改进，如条件嵌入方式、多变量建模结构以及噪声调度策略的设计，并可进一步扩展至不同类型用户群体（如私家车、出租车、公交车）的行为建模。

电脑各种错误信息的中文意思 绝对有用！

电脑各种错误信息的中文意思 绝对有用！

本资源是我长期一点一点从网上找到的！现在向大家分享。 里面包含了：、BIOS中的提示信息 、BIOS刷新失败后，Bootblock启动时出现的提示信息 、MBR主引导区提示信息、DOS活动分区中的提示信息、IO.SYS中的提示信息、COMMAND中的提示信息、 SYS传送系统文件时的提示信息、FORMAT中的提示信息......绝对物有所值，赶快下载吧！

硬盘换磁头的详细方法和步骤

硬盘换磁头的详细方法和步骤

处理硬盘坏磁头是需注意的一些问题，详细图解，注意不要盲目模仿，否则，作者不符文字责任。

Debugging Malloc Lab: Detecting Memory-Related Errors

Debugging Malloc Lab: Detecting Memory-Related Errors

Introduction The usual implementation of malloc and free are unforgiving to errors in their callers' code, including cases where the programmer overflows an array, forgets to free memory, or frees a memory block twice. This often does not affect the program immediately, waiting until the corrupted memory is used later (in the case of overwrites) or gradually accumulating allocated but unused blocks. Thus, debugging can be extremely difficult. In this assignment, you will write a wrapper for the malloc package that will catch errors in the code that calls malloc and free. The skills you will have learned upon the completion of this exercise are pointer arithmetic and a greater understanding of the consequences of subtle memory mistakes. Logistics Unzip debugging_malloc.zip into an empty directory. The files contained are as follows: File&#40;s&#41;: Function: debugmalloc.c Contains the implementation of the three functions you will be writing. This is the one file you will be editing and handing in. debugmalloc.h Contains the declaration of the functions, as well as the macros that will call them. driver.c Contains main procedure and the code that will be calling the functions in the malloc package dmhelper.c, dmhelper.h Contain the helper functions and macros that you will be calling from your code grader.pl Perl script that runs your code for the various test cases and gives you feedback based on your current code debugmalloc.dsp Exercise 3 project file debugmalloc.dsw Exercise 3 workspace file tailor.h, getopt.c, getopt.h Tools that are used only by the driver program for I/O purposes. You will not need to know what the code in these files do. Others Required by Visual C++. You do not need to understand their purpose Specification Programs that use this package will call the macros MALLOC and FREE. MALLOC and FREE are used exactly the same way as the malloc() and free() functions in the standard C malloc package. That is, the line void *ptr = MALLOC ( n ) ;will allocate a payload of at least n bytes, and ptr will point to the front of this block. The line FREE(ptr);will cause the payload pointed to by ptr to be deallocated and become available for later use. The macros are defined as follows: #define MALLOC(s) MyMalloc(s, __FILE__, __LINE__) #define FREE(p) MyFree(p, __FILE__, __LINE__) The __FILE__ macro resolves to the filename and __LINE__ resolves to the current line number. The debugmalloc.c file contains three functions that you are required to implement, as shown: void *MyMalloc(size_t size, char *filename, int linenumber); void MyFree(void *ptr, char *filename, int linenumber); int AllocatedSize(); Using the macros above allow MyMalloc and MyFree to be called with the filename and line number of the actual MALLOC and FREE calls, while retaining the same form as the usual malloc package. By default, MyMalloc and MyFree() simply call malloc() and free(), respectively, and return immediately. AllocatedSize() should return the number of bytes currently allocated by the user: the sum of the requested bytes through MALLOC minus the bytes freed using FREE. By default, it simply returns 0 and thus is unimplemented. The definitions are shown below: void *MyMalloc(size_t size, char *filename, int linenumber) { return (malloc(size)); } void MyFree(void *ptr, char *filename, int linenumber) { free(ptr); } int AllocatedSize() { return 0; } Your job is to modify these functions so that they will catch a number of errors that will be described in the next section. There are also two optional functions in the debugmalloc.c file that you can implement: void PrintAllocatedBlocks(); int HeapCheck(); PrintAllocatedBlocks should print out information about all currently allocated blocks. HeapCheck should check all the blocks for possible memory overwrites. Implementation Details To catch the errors, you will allocate a slightly larger amount of space and insert a header and a footer around the "requested payload". MyMalloc() will insert information into this area, and MyFree() will check to see if the information has not changed. The organization of the complete memory block is as shown below: Header Checksum ... Fence Payload Footer Fence Note:MyMalloc() returns a pointer to the payload, not the beginning of the whole block. Also, the ptr parameter passed into MyFree(void *ptr) will point to the payload, not the beginning of the block. Information that you might want to store in this extra (header, footer) area include: a "fence" immediately around the requested payload with a known value like 0xCCDEADCC, so that you can check if it has been changed when the block is freed. the size of the block a checksum for the header to ensure that it has not been corrupted (A checksum of a sequence of bits is calculated by counting the number of "1" bits in the stream. For example, the checksum for "1000100010001000" is 4. It is a simple error detection mechanism.) the filename and line number of the MALLOC() call The errors that can occur are: Error #1: Writing past the beginning of the user's block (through the fence) Error #2: Writing past the end of the user's block (through the fence) Error #3: Corrupting the header information Error #4: Attempting to free an unallocated or already-freed block Error #5: Memory leak detection (user can use ALLOCATEDSIZE to check for leaks at the end of the program) To report the first four errors, call one of these two functions: void error(int errorcode, char *filename, int linenumber); errorcode is the number assigned to the error as stated above. filename and linenumber contain the filename and line number of the line (the free call) in which the error is invoked. For example, call error(2, filename, linenumber) if you come across a situation where the footer fence has been changed. void errorfl(int errorcode, char *filename_malloc, int linenumber_malloc, char *filename_free, int linenumber_free); This is the same as the error(), except there are two sets of filenames and line numbers, one for the statement in which the block was malloc'd, and the other for the statement in which the block was free'd (and the error was invoked). The fact that MyMalloc() and MyFree() are given the filename and line number of the MALLOC() and FREE() call can prove to be very useful when you are reporting errors. The more information you print out, the easier it will be for the programmer to locate the error. Use errorfl() instead of error() whenever possible. errorfl() obviously cannot be used on situations where FREE() is called on an unallocated block, since it was not ever MALLOC'd. Note: You will only be reporting errors from MyFree(). None of the errors can be caught in MyMalloc() In the case of memory leaks, the driver program will call AllocatedSize(), and the grader will look at its return value and possible output. AllocatedSize() should return the number of bytes currently allocated from MALLOC and FREE calls. For example, the code segment: void *ptr1 = MALLOC(10), *ptr2 = MALLOC(8); FREE(ptr2); printf("%d\n", AllocatedSize()); should print out "10". Once you have gotten to the point where you can catch all of the errors, you can go an optional step further and create a global list of allocated blocks. This will allow you to perform analysis of memory leaks and currently allocated memory. You can implement the void PrintAllocatedBlocks() function, which prints out the filename and line number where all currently allocated blocks were MALLOC()'d. A macro is provided for you to use to print out information about a single block in a readable and gradeable format: PRINTBLOCK(int size, char *filename, int linenumber) Also, you can implement the int HeapCheck() function. This should check all of the currently allocated blocks and return -1 if there is an error and 0 if all blocks are valid. In addition, it should print out the information about all of the corrupted blocks, using the macro #define PRINTERROR(int errorcode, char *filename, int linenumber), with errorcode equal to the error number (according to the list described earlier) the block has gone through. You may find that this global list can also allow you to be more specific in your error messages, as it is otherwise difficult to determine the difference between an overwrite of a non-payload area and an attempted FREE() of an unallocated block. Evaluation You are given 7 test cases to work with, plus 1 extra for testing a global list. You can type "debugmalloc -t n" to run the n-th test. You can see the code that is being run in driver.c. If you have Perl installed on your machine, use grader.pl to run all the tests and print out a table of results. There are a total of 100 possible points. Here is a rundown of the test cases and desired output (do not worry about the path of the filename): Test case #1 Code char *str = (char *) MALLOC(12); strcpy(str, "123456789"); FREE(str); printf("Size: %d\n", AllocatedSize()); PrintAllocatedBlocks(); Error # None Correct Output Size: 0 Points worth 10 Details 10 points for not reporting an error and returning 0 in AllocatedSize() Test case #2 Code char *str = (char *) MALLOC(8); strcpy(str, "12345678"); FREE(str); Error # 2 Correct Output Error: Ending edge of the payload has been overwritten. in block allocated at driver.c, line 21 and freed at driver.c, line 23 Points worth 15 Details 6 pts for catching error 3 pts for printing the filename/line numbers 6 pts for correct error message Test case #3 Code char *str = (char *) MALLOC(2); strcpy(str, "12"); FREE(str); Error # 2 Correct Output Error: Ending edge of the payload has been overwritten. in block allocated at driver.c, line 28 and freed at driver.c, line 30 Points worth 15 Details 6 pts for catching error 3 pts for printing the filename/line numbers 6 pts for correct error message Test case #4 Code void *ptr = MALLOC(4); *ptr2 = MALLOC(6); FREE(ptr); printf("Size: %d\n", AllocatedSize()); PrintAllocatedBlocks(); Error # None Correct Output Size: 6 Currently allocated blocks: 6 bytes, created at driver.c, line 34 Points worth 15 Details 15 pts for not reporting an error and returning 6 from AllocatedSize Extra for printing out the extra block Test case #5 Code void *ptr = MALLOC(4); FREE(ptr); FREE(ptr); Error # 4 Correct Output Error: Attempting to free an unallocated block. in block freed at driver.c, line 43 Points worth 15 Details 15 pts for catching error Extra for correct error message Test case #6 Code char *ptr = (char *) MALLOC(4); *((int *) (ptr - 8)) = 8 + (1 << 31); FREE(ptr); Error # 1 or 3 Correct Output Error: Header has been corrupted.or Error: Starting edge of the payload has been overwritten. in block allocated at driver.c, line 47 and freed at driver.c, line 49 Points worth 15 Details 9 pts for catching error 6 pts for a correct error message Test case #7 Code char ptr[5]; FREE(ptr); Error # 4 Correct Output Error: Attempting to free an unallocated block. in block freed at driver.c, line 54 Points worth 15 Details 15 pts for recognizing error Extra for printing correct error message Test case #8 (Optional) Code int i; int *intptr = (int *) MALLOC(6); char *str = (char *) MALLOC(12); for(i = 0; i < 6; i++) { intptr[i] = i; } if (HeapCheck() == -1) { printf("\nCaught Errors\n"); } Error # None Correct Output Error: Ending edge of the payload has been overwritten. Invalid block created at driver.c, line 59 Caught Errors Points worth Extra Details "Caught Errors" indicates that the HeapCheck() function worked correctly. Extra points possible. Your instructor may give you extra credit for implementing a global list and the PrintAllocatedBlocks() and HeapCheck() functions.

枚举系统中所有硬件设备

枚举系统中所有硬件设备

虽然简单，但是实用 HDEVINFO hDevInfo; SP_DEVINFO_DATA DeviceInfoData; DWORD i,j; int ret=0; hDevInfo = SetupDiGetClassDevs((LPGUID) &GUID;_DEVCLASS_MOUSE, 0, 0,DIGCF_PRESENT);//DIGCF_PROFILE);// /* 　　GUID_DEVCLASS_FDC软盘控制器 　　GUID_DEVCLASS_DISPLAY显示卡 　　GUID_DEVCLASS_CDROM光驱 　　GUID_DEVCLASS_KEYBOARD键盘 　　GUID_DEVCLASS_COMPUTER计算机 　　GUID_DEVCLASS_SYSTEM系统 　　GUID_DEVCLASS_DISKDRIVE磁盘驱动器 　　GUID_DEVCLASS_MEDIA声音、视频和游戏控制器 　　GUID_DEVCLASS_MODEMMODEM 　　GUID_DEVCLASS_MOUSE鼠标和其他指针设备 　　GUID_DEVCLASS_NET网络设备器 　　GUID_DEVCLASS_USB通用串行总线控制器 　　GUID_DEVCLASS_FLOPPYDISK软盘驱动器 　　GUID_DEVCLASS_UNKNOWN未知设备 　　GUID_DEVCLASS_SCSIADAPTERSCSI 和 RAID 控制器 　　GUID_DEVCLASS_HDCIDE ATA/ATAPI 控制器 　　GUID_DEVCLASS_PORTS端口（COM 和 LPT） 　　GUID_DEVCLASS_MONITOR监视器 　　*/ if (hDevInfo == INVALID_HANDLE_VALUE){ // Insert error handling here. // return ; } // Enumerate through all devices in Set. DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA); for (i=0;SetupDiEnumDeviceInfo(hDevInfo,i,&DeviceInfoData;);i++) { DWORD DataT; //LPTSTR buffer = NULL; char buffer[2048]; DWORD buffersize =sizeof(buffer); while (!SetupDiGetDeviceRegistryProperty( hDevInfo, &DeviceInfoData;, SPDRP_FRIENDLYNAME, &DataT;, (PBYTE)buffer, buffersize, &buffersize;)) { if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { // Change the buffer size. //if (buffer) LocalFree(buffer); //buffer = (PSP_INF_INFORMATION)LocalAlloc(LPTR,buffersize); // &lt;!--[if !supportEmptyParas]--&gt;&lt;!--[endif]--&gt; } else { // Insert error handling here. break; } } if (buffer != NULL && i == 0) { // temp.Format(""); // str += temp; } // temp.Format("%s",buffer); // str += temp; if (buffer) LocalFree(buffer); } if (i != 0) { // temp.Format(""); // str += temp; } if ( GetLastError()!=NO_ERROR && GetLastError()!=ERROR_NO_MORE_ITEMS ) { return ; } // &lt;!--[if !supportEmptyParas]--&gt;&lt;!--[endif]--&gt; // Cleanup SetupDiDestroyDeviceInfoList(hDevInfo);

2011蓝桥杯模拟试题java_和C(本科).

2011蓝桥杯模拟试题java_和C(本科).

2011蓝桥杯模拟试题java_和C(本科)

BobBuilder_app

BobBuilder_app

Twitter Digg Facebook Del.icio.us Reddit Stumbleupon Newsvine Technorati Mr. Wong Yahoo! Google Windows Live Send as Email Add to your CodeProject bookmarks Discuss this article 85 Print Article Database » Database » Other databasesLicence CPOL First Posted 19 Jan 2012 Views 24,219 Downloads 992 Bookmarked 74 times RaptorDB - The Key Value Store V2 By Mehdi Gholam | 8 Mar 2012 | Unedited contribution C#.NETDBABeginnerIntermediateAdvanceddatabase Even faster Key/Value store nosql embedded database engine utilizing the new MGIndex data structure with MurMur2 Hashing and WAH Bitmap indexes for duplicates. See Also More like this More by this author Article Browse Code Stats Revisions (8) Alternatives 4.95 (56 votes) 1 2 3 4 5 4.95/5 - 56 votes μ 4.95, σa 1.05 [?] Is your email address OK? You are signed up for our newsletters but your email address is either unconfirmed, or has not been reconfirmed in a long time. Please click here to have a confirmation email sent so we can confirm your email address and start sending you newsletters again. Alternatively, you can update your subscriptions. Add your own alternative version Introduction What is RaptorDB? Features Why another data structure? The problem with a b+tree Requirements of a good index structure The MGIndex Page Splits Interesting side effects of MGIndex The road not taken / the road taken and doubled back! Performance Tests Comparing B+tree and MGIndex Really big data sets! Index parameter tuning Performance Tests - v2.3 Using the Code Differences to v1 Using RaptorDBString and RaptorDBGuid Global parameters RaptorDB interface Non-clean shutdowns Removing Keys Unit tests File Formats File Format : *.mgdat File Format : *.mgbmp File Format : *.mgidx File Format : *.mgbmr , *.mgrec History Download RaptorDB_v2.0.zip - 38.7 KB Download RaptorDB_v2.1.zip - 39 KB Download RaptorDB_v2.2.zip - 39 KB Download RaptorDB_v2.3.zip - 39.6 KB D

Sakemail

Sakemail

SakEmail components Copyright ?1997 - 2003 Sergio A. Kessler web: http://groups.yahoo.com/group/sakemail/To subscribe to the mailing list of sakemail, just go tohttp://groups.yahoo.com/group/sakemail/History:0.9 - First released version0.9.1b -Fixed when a mail server reply on the connection with more than one line0.9.2b - I forget to return a value in functions retrieveHeader/Message =) and fixed it. Some minor bugs that I don‘t remember fixed.- Added MIME-compliant base64 support (not for use by now). Added examples.0.9.2.1b- Fixed a bug when send a mail and the first line disappear (thanks to Arun)- Now, you could do MySMTP.MsgTo := ‘a@doma.com; b@domb.com;c@domc.com‘; the spaces before/after semicolon doesn‘t matter (I hope ;)).0.9.3b- Many changes, I added a SakMsg component that make send binary attachments a snap. But have one problem, if you send as attach a file > 20 Kb, it doesn‘t work (I don‘t know why, maybe a problem of sockets). Developed with a version 2.0b of WSockets and D3.0.9.3.1b- Changed the POP.login to a function that return the number of new msgs.- Added the event OnRetrieveProgress on the SakPOP, and fixed the example, sorry =)- Minor changes to the code.1.0- Developed with WSockets 1.2 POP.Login now return a boolean depending id the user is authorized, and POP.Init return the number of new msgs.1.01- Fixed a bug with a bounced mail.1.02- Minor bugs fixed (some variants of boundary)14/10/971.1.0- Warning: WSockets1.2 have some bugs that result in bad attachments. So I decided to use the sockets of Delphi 3 founded in D3 c/s D3.01 pro and D3.01 c/s. Now all seems to work fine and much more smooth. And of course the interface of SakEmail hasn‘t changed.26/10/971.2.0- Added the Reply-To field to TSakMsg comp. Now you must use ‘,‘ when you want to send the msg. to multiple recipients, i.e.: ‘a@doma.com, b@domb.com,c@domc.com‘ This change is done for better compatibility with other emails clients.- Better formatting of the field Date of TSakMsg. Some changes to the code.17/11/971.2.1- Now, all searches are made in case-insensitive, it could prevent some unexpected responses (no one reported, but...). Some changes to the code (again).20/11/971.2.2- Some bugs fixed. (Thanks to Serge Wagener from .lu)24/11/971.2.3- Added the field ‘MIME-Version: 1.0‘. It seems that is necessary :)25/11/971.3.0- Added compatibility with SCO and VAX servers. Fixed a minor bug with the boundary.- Change the generator of the message id.- Added the field MessageId and InReplyTo to the TSakMsg component.- Added the field In-Reply-To that is added to the message generated when it is <> ‘‘.30/11/971.3.1- Almost rewrote the parsing code. Now is more easy for you if you want hack/modify the code.- Better treatment of emails with html inside.15/12/971.4- Added support for UUCoded attachments.- Added a small delay when sending the email, seems that some servers can‘t deglut the info too fast, causing problems with sockets buffers and leading to crash the client machine, I don‘t know if is a Borland bug or Microsoft bug. (thanks to Don Higgins).19/12/971.4.1- Fixed a bug that send double ‘<‘ and ‘>‘ (ie. <<ser@dom.com>>) when the full user name is used. Check the new SMTP demo. Thanks to Serge Wagener for locate this bug, track it down and send me the fix.2/2/981.5.0- Added the Canceled property to TSakPOP and to TSakSMTP. Due to this addition now RetrieveAllMessages is a function that return the number of msgs. retrieved and SendMessage is a boolean function (maybe someone has pressed the cancel btn).- Fixed a bug when the subject field is too large.9/2/981.5.1- Fixed a bug with a message within a message (recursive msgs).18/2/981.5.2- Fixed a bug what happens when after the field ‘To:‘ appear a blank line(Thanks to Osvaldo Fillia). Fixed a bug when sending email to more than two address (the separator is still ‘,‘).9/3/981.6.0- Sometimes the filenames of an attachment contain invalid chars making very dificult to open a TSaveDialog (you have noted this ?), now SakEmail deletes the invalid chars.- Applied a patch from Matjaz Bravc, that resolve the problem of localized dates, letting you choose (in design time) if you want localized dates (NOT recommended) or standards dates (english) via the LocalizedDates boolean property in the TSakSMTP comp. Thanks also to Serge Dosyukov for sending me a fix.- Also I applied another patch of Gregor Duchalski that cure a bug with PChar when this unit is used under NT. - It seems that some machines need more delay when sendig a msg (see previous posting 19/12/97), thanks to Matjaz Bravc.- I discover a bug in the transparency code, it is fixed now. Did you see the benefits of Open Source Software ? :)26/3/981.6.1- Added a FUNCFileName private variable to manage the complete path of the attached file. I receive problems reports with this, it work now ?.- Reduced the line sleep to 30 (tell me if this value doesn‘t work for you).27/4/981.7.0- Fixed a memory leak, thanks to Don Higgins.- Moved the string esErrorInFormatOfMsg to a property of SakPOP.- Because some people need to use IP addresses instead of Host names, I‘ve added a new property IPAddress to SakPOP and SakSMTP. If both are filled, then the Host name will be used, thanks to Roger F. Reghin for reporting this. The side effect for this is that YOUR app must check if the host is a host name or a IP address, in my app I remove the periods and try to convert the result to a float (long integers don‘t work, but float accept chars ‘e‘) if it doesn‘t work I assume that is a host name (someone has a better and simple idea ?).- Added the property FileStream to the class TAtachedFile and the procedure SaveToStream, this was done by Brian Sheperd- The address separator (in the TO: field) is ‘,‘ and ‘;‘ now (before it was ‘,‘ only).1.7.1- Roger F. Reghin has sended me a pair of nice patches that resolve in a good behavior when the destination address is something like &quot;Roger Reghin&quot; <rreghin@hotmail.com> and some servers says that they couldn‘t relay that mail, etc. Also Roger has made the IPAddress property obsolete (do not use it, use Host instead), SakEmail will resolve the host properly no matter if it is a host name or a IP address. So in the next version I will remove the IPAddress property. Thank you, Roger.1.8.0- Well, it seems that I made a mistake, I investigated the previous behavior and it is a fault of the SMTP (RFC 821), so I fixed it.- The IPAddress property has been removed, use Host. Goeran Strehl (asem) has sended me a patch that fix a memory leak and one problem with the object inspector and the Text property of a SakMsg. Dmitry Bondarenko say that some servers do not send the msg size after the RETR command, so he fix that issuing a LIST n command first (work nicely).- Added the property CC (Carbon Copy) to the SakMsg object.1.8.1- Added the property ReturnPath to the SakMsg comp. Minor changes to the scanning code for the filename of attachments.1.8.2- Fixed a bug with the filename of attachments (thanks to Taufer Pavel Ing.).- Added the function IsIPAddress from hou yg (the actual code don‘t work if the server is 265.net :) Fixed a minor bug with html pages like attachments. Some fucking email server return a bounded message declaring the boundary like ‘boundary = ‘ and not ‘boundary=‘ wich is clear in the RFC, fixed.1.8.3- A obscure bug was found by HuangYeJun from china, in the RetrieveHeaders function if the retrieved text was larger than 1024 bytes and the crlf.crlf fall in the middle of two chunks, the function is blocked. I don‘t use this function, btw.1.8.3.1- Just cleaned up a bit the FindUUAtachs function. Not bug or enhancements release. Serge Wagener put me to work >:|1.8.4- Dmitry Bondarenko (again) has found a bug in wich I do not respect the RFC, wich say that replys from the SMTP server could be multi-line, and the previous version just manage as far as two lines. He also send me a nice patch, so the bug is fixed.- Craig Manley added a ExtraHeaders property, please, use with care, it‘s just not valid to put inside it whatever thing.- The CC header was not being added to the headers that were being sent, so Craig fixed it.- Warning: I‘ve put try/except in the TSakPOP.Connect and TSMTP.Connect function around the line FSocket.Open, so you will need to write something like: myPOP.Connect; if POPError then ... in your code, the old way was: try myPOP.Connect; except ..... end; If you are strongly opossed to this change, drop me a line and tell me why (I‘m in doubts).1.8.5- Greg Nixon added the priority property. The default priority for each msg created will be prNormal, so you don‘t need to change your code any bit.1.8.6- Ulf Sturegren has added D4 compatibility, not many changes to the source (one letter), but he found the error.- Hou yg has sent to me a revisited IsIPAddress function, so I put the newer function in, infortunely my reply to him doesn‘t want to go.1.8.7- Ok, I discovered a weird bug, some old emailers (navigator 2) does not format the message in multipart mode if people send an attach, without writing any text and with no MIME settings. Fixed. This could be serious, I recommend upgrading.1.8.8- A small fix with the CC field. Some stupid mail servers put tabs in some fields (CC:, TO:) when they want to make a new line, the correct is to put at least a space in the beginning of the line, added a little code to &quot;fix&quot; that.1.8.9- Some ‘moderns‘ pop3 servers doesn‘t support the LAST command, so I‘ve added a little code to cope with this and added a boolean property ServerSupportLastCmd. See TSakPOP.Init for more details. Reported by Jan Najvarek.1.9.0- Kaufman Alex has added two properties to the SakMsg object, the ContentType and the Headers property, that should be self explaining (I modified a little the code he sended me, btw).1.9.1- I rewrote and greatly simplified the code that deal with the multiple address in the TO: field and remove some possible bugs in it.1.9.2- Alex discovered and fix a bug when a file attached is not enclosed between quotes, resulting in the filename without the first and last character.1.9.3- Better detection of the boundary in multipart messages. Fixed a bug when the attached file is empty.1.9.4- Chris G黱ther send me *lots* of memory leaks fixes, very good job, Chris. - Some weird PGP messages are now processed well.- Yang Qiandong from china fixed a compiler hint and a warning.- Modified TSakSMTP.FReceiveTextFromSocket as suggested by Greg Nixon.- Dmitry Bondarenko send me a patch that fixes some issues with the LAST command (that some servers don‘t implement) and other patch that fixes a problem when servers add spare words in the tail of the answer.- Some minor changes suggested by Matthew Vincent.- Support for _big_ attachments files (me).- Make the code more modular and simple (still is not very modular).1.10.0- Move some stuff to a sak_util unit.- Support for quoted-printable msgs, thanks to Chris G黱ther.- Fix the BCC field.- New property sakMsg.ContentTransferEncoding.2.0.0- Major reestructure of the files and the source code.- Simplifyied sakPOP3.pas a _lot_- Support encapsulated messages (message/rfc822).- Nested multipart messages are processed fine.- Attachs with quoted-printable are processed fine.- Many bugs fixes.2.0.1- A fiasco, sorry.2.0.2- Fixed a bug in the sak_CleanUpAddress.- Do the rigth job if the ContentType is ‘plain/text‘ and the encoding is base64.- Redone sak_ExtractAddress and sak_ExtractAlias.- New ‘Sender‘ property in SakMsg (normally not used, so do not use it, unless you know what you are doing) ‘Thanks‘ to Alex Kaufman for this.2.0.3- A *severe* bug with multiple addresses was fixed.2.0.4- Fixed bogus Message-number (Message-id is the correct) Thanks to Peter Honan- Added SizeInBytes property to the SakMsg component. (petition of Alex Kaufman)- Fixed a minor bug in TSakPOP.RetrieveHeaders. Fix from Alex.- Added RetrieveMessageOnlyHeaders and - RetrieveAllMessagesOnlyHeaders.2.0.5- Fix when the mail server reply is like <cr><cr><lf> (two cr).- Fix function IsIpAddress.- Both fixes by Alessandro Rossi.2.0.6- Fix a bug in the sak_Base64Decode function when the data to decode is null (I found it in the hard way).- Andy Charalambous make it sure you can send more than one email without disconnecting and connecting again.- And Chris ‘Memory Hunter‘ G黱ther killed some memory leaks (again).2.2.0- the f* sleep line that was bothering us for years is gone, gone, gone. Thanks to Syed Ahmed.- a getUIDL method of SakPOP. Thanks to Alex Kaufman.- a UIDL property on SakMsg. (me)- a SakPOP.GetUIDLsOnRetrieve boolean property (default false) (me)- change some ‘Exception.Create()‘ to ‘raise Exception.Create()‘ Thanks to Anton Saburov.- change SakPOP.Init from function to procedure (me)- new SakPOP.NewMsgsCount property (me)- changed SakPOP.Password to SakPOP.UserPassword (me)- changed SakPOP.ErrorInFormatOfMsg to SakPOP.StrErrorInFormatOfMsg- OnLookup event on SakPOP and SakSMTP. Thanks to Syed Ahmed.- OnConnecting event on SakPOP and SakSMTP (me).- OnReceiveTextFromSocket event on SakPOP and SakSMTP (me). (mostly for debug)- OnSendTextToSocket event on SakPOP and SakSMTP (me). (mostly for debug)- Headers are retrieved without the mail body (ugly bug, fix from Alex Kaufman)2.4.0- I‘ve revamped TSakMsg, many funcionality from SakPOP was moved to SakMsg, where it belongs.- Now SakMsg has a RawMail property wich you may find useful, now you can do: SakMsg1.RawMail.LoadFromFile(‘(uidl).mail‘); SakMsg1.ParseMsg; or SakMsg1.RawMail.LoadFromStream( myStream); SakMsg1.ParseMsg; or SakMsg1.RawMail.SaveToFile( ‘(uidl).mail‘); etc, etc...- Added a property TSakMsg.ClearRawMailAfterParse for memory saving.- the return of the f* sleep line (it causes freezes on winsock 1.1 systems like win95, win98 has winsock 2 so there is no problem if you remove the line)- lost of the DecodeProgess events :( (sorry, I don‘t know how to fit this events on the new SakMsg)2.6.0- the sleep() line is dead, it will never come back. Sending an email is a pleasure now.- SakMsg has a TextEncoding (8Bit, Base64) property, I think this will be useful to people with others charset than iso-8859-1- the base64 routines have been rewritten, they are more OO and faster (they are now in SakMIME.pas).- cosmetic changes all over the place.2.6.1- simplifyed ParseMsg2 a lot, it work better now.- speed up the search for uucoded attachs (the previous search was very dumb)- fixed bug Msg.SizeInBytes always 0- added a couple of Application.ProcessMessages to make the app more responsive.2.6.2- moved some functions from sak_utils to SakMIME.- make const parameters all over the place.- fix the bug that introduces a final crlf in quoted-printable attachs.- fix a division by zero if attached file is 0 bytes long, fixed by Peter Kollanyi.2.6.3- fix a rare bug when the header of a email (more probably a encapsulated one) has first line/s in blank. Easy and innocuous bug.2.6.4- fix the bug that insert the attachs of type text/* on the body of the email.- change the Smtp.SendMessage for Smtp.SendTheMessage to avoid a BCBuilder problem. Both problems reported by Andreas Franzen. SendMessage is still there, but it‘s now deprecated, I will remove it in the future.2.6.5- moved the ParseMsg activation from SakPOP to SakMsg (where it belong), this means that after setting the RawMail property of SakMsg, this does a ParseMsg automatically. before: SakMsg1.RawMail := ... SakMsg1.ParseMsg; now: SakMsg1.RawMail := ... hope I‘m not breaking too much code out there ... :)- some changes in the way attachments are processed (now the html part is separated correctly and images within the html are recognized)- RetrieveMessage() and RetrieveMessageOnlyHeaders() now take an additional parameter, a TSakMsg var, so people can change some parameters before parsing, see the source in SakPOP3.pas (the old way is still supported, but they will be removed in the future)- bug fixes that I do not remember.3.0.0- moved code around.- removed deprecated functions (I told you about this)- new SakAttFile unit.- Base64Encode( AttFile), Base64Decode( AttFile), UUDecode( AttFile) has been moved to the TAtachedFile object, so you can do AttFile.Base64Encode, AttFile.Base64Decode, etc- SakSMTP have lost EncodeStart, EncodeProgess and EncodeEnd events as a consequence of the previous change.- SakPOP.Canceled and SakSMTP.Canceled properties have been made read-only and SakPOP.Cancel and SakSMTP.Cancel procedures (or methods) have been added.- add a SakMsg.FillRawMail method that will fill the RawMail property with a rfc822 message based on the properties of SakMsg.- changed SakSMTP.Quit & SakPOP.Quit to Disconnect- deleted TAttachedFile.FileStream (redundant), use BodyBin- removed the function sak_getTempFileName (as it should no be trusted) use function sak_GetTempPath- the new SakIMAP component !, this make a pleasure to work with incoming emails (as you can have folders, etc). Note: the IMAP component has only been tested with the Uni. of Washington server, but it should work with any *STANDARD COMPLIANT* server. Anyways, the code of this component is very simple, so if you have problems, a look in the source code can enligthen you.3.0.1- fixed a brown paper type of bug.3.0.2- support the case where attachs do not come from files (Lars Karlslund)- minor bugfix in UUDecode function (Lars Karlslund)- if the SakMsg.Username is empty, do a VRFY command at the smtp server to try to get the full user name (sergio)- function TSakIMAP.GetFolderList (Peter Nagel)- function TSakIMAP.GetHierarchyDelim (Peter Nagel)- frustrated intent (ie. commented out) to remove memory leaks in POP, SMTP & IMAP destroy functions (Ronald Moesbergen)3.0.3- actually create (and free) the FolderList in sakIMAP (Neculau Andrei)- try to send the FQDM to the HELO command in SMTP (sergio)- commented out the VRFY command in SakSMTP, and cut the from address in the From field (in SakMsg), so if the username is empty, the SMTP server rewrite the from address in a complete way, with username & full address (sergio)- fix a minor bug in TBase64DecodingStream.Write function (Lars Karlslund)3.4.0- many, many improvements to the IMAP component by Peter Honan (I applied the patch with minor modifications, mainly to respect delphi coding standard, taking out the overloading, the selectFolder function was overcomplicated, etc)- FAQ updated (me)3.4.1- minimize the chance for two temporal messages stored on disk to collide (can be hit in previous versions if you run multiple instances of retrieveMessage at the same time)- FAQ updated.3.4.2- a new sak_CleanUpAddresses() implementation, by Knut Baardsen- better handling for temporal messages, suggested by Andrew- many improvements (including ACL -Access Control List) to the IMAP component by James Chaplin3.4.3- reverted to the old sak_CleanUpAddresses() implementation Knut‘s one is almost rigth, but don‘t let us use addresses without domains- add Headers.Clear before filling headers, by &quot;Antonio Carlos Ribeiro Faria&quot; <consultor@cys.com.br>3.5.0- add TSakMsg.LoadFromTextFile from Oak Chantosa- big jumbo mambo patch from James Chaplin first patch: 1) Operation timeout - OperationTimeout timeout for non-responding receive operations. 2) Forced abend - ForceAbend method that will disconnect and reset state. 3) Optional folder lists - AvFolderList and AvSUBFolderList provide alternatives to FolderList and SUBFolderList that ensure the lists do not contain inacessible folders ( flagged by the server ). 4) Folder name fix - Provided a function to &quot;fix&quot; folder names before submission. Currently it fixes names containing spaces. second patch: 1) Capability - Ask for server capabilities/extensions. 2) Noop - Basic noop command - updates message counts as well - preferred alternative to status. 3) Status - Explicit status command - generally useful for status of a non-selected mailbox. 4) Fetch - Retrieve message data. 5) FetchBody - Retrieve the body of the message. 6) ExamineFolder - A read-only select command. 7) CloseSelectedFolder - Close the currently selected folder. 8) Idle - RFC2177 extension - not implemented on very many servers. 9) Search - Search based on RFC2066 criteria. 10) UIDSearch - Search based on RFC2066 criteria - results are in UID form. 11) UIDStoreFlags - Store message flags based on UID. 12) UIDFetch - Fetch message data by UID. 13) UIDCopyMessageToFolder - Copy a message by UID. 14) Authenticate - Basic framework. Only plain authentication extension implemented. 15) CloseOnError - A new property that allows the user to turn off the default behaviour of disconnecting from the server when an IMAP error is received 16) Namespace - RFC2342 Namespace query command. 17) ListFullHierarchy - Property which allows a switch between &quot;*&quot; ( default ) or &quot;%&quot; as the wilcard for default folder/list methods. 18) List - Explicit list command in case it is needed. third patch: 1) fix problem with imapd 2001a, reported by Holger Mauermann. 2) remove all warnings.3.5.1- revert change to the base64 encoding routine.3.5.2- changes from James Chaplin: 1) TSakIMAP will now properly process non-numeric UIDs for messages ( there was a sak_StrWord2Int transform being used before - which always produced a 0 value for non-numeric UIDs ). 2) TSakIMAP.RetrieveMessageExt ( private method ) was modified to provide a retrieval by either MsgID or UID. 3) TSakIMAP.RetrieveMessageByUID was modified to use the slightly more efficient TSakIMAP.RetrieveMessageExt(UID) method specified in 2) above. I also made an update to the SakMIME.pas unit. The changes that were implemented are: 1) sak_Base64Encode - a basic Base64 encoder. String input and string output with the option for CRLF splitting. 2) sak_Base64Decode - a basic Base64 decoder. String input and string output with a control for CRLF interpretation. 3) sak_Base64Verify - a very basic Base64 string verifier.3.5.3- robustify and code cleanups by Paul Vernon.3.5.4- access violation fix by Paul Vernon.3.5.5- go back to good old trusty 3.5.23.5.6- this time, all the cleanup & fixes from Paul Vernon seems to work well.3.6.0- Paul Vernon latest minor fixes- added basic SMTP authentication, by Delfi and Antonio Carlos Ribeiro Faria3.6.1- fix a mayor bug when sending to many addresses (by sergio)3.7.0- add full support for html mails, by Paul Vernon. (The TAttachedFile now has an extra boolean property called embedded. This property lets you use the syntax <img src=DownloadFiles2&quot;CID@myimg.gif&quot;> in your HTML mails)- fix a weird typo for BCC fields- add Content-ID, by alejandro Castro- fix &quot;_&quot; characters in subject, regression fix.- cleanups all around, by Paul Vernon.- SMTP example updated to cope with html emails.**warning** from this version, the html part of mails will not be stored as attachments by default, if you want this behavior, you just do something like: aSakMsg := TSakMsg.Create( self); aSakMsg.HTMLAsAttachment := true; ...3.7.1- fix TSakMsg.PopulateList (Jalin)3.7.2 (codenamed &quot;melissa&quot;)- fixed a bug when the Populatelist procedure got re-written in sakMsg. It wasn‘t populating the SendTo field if there was only one e-mail address... (Paul Vernon)3.7.3 - Congratulations to Sergio on the addition to his family. This release was made by Paul Vernon who has temporarily taken over the release functions for the SakMail components whilst Sergio spends time AFK!- The 3.7.2 bug fix added blank entries to the address lists. The PopulateList procedure has been re-written again to hopefully cope with any type of e-mail address formatting.- The SMTP example noted in 3.7.0 actually shipped with this release!3.7.4- Bugfix for detecting UUEncoded mails correctly. Previous versions processed MIME mails with the value ‘begin xyz‘ if it appeared at the beginning of a line as a UUEncoded mail when they should not have.- POP and SMTP connect procedures are now functions. Existing code is unaffected. However, you can now use the following code if (sakPOP.Connect) then begin end;- POP gracefully quits if it receives an error now by calling Disconnect correctly.3.7.5- Further code to improve identification of UUEncoded mails. Essentially looking for the end as well as the beginning to ensure that it is correct.- Code optimisation of certain UUEncoded mail id functions.- Fix to ensure that the body of a mail that is UUEncoded is not lost.- MIME-Version string introduced into TsakMsg component to help with UUEncoded mail identification.- SizeInBytes property altered to read private variable using a function. If the private variable is 0, the function reads the length of the FRawMail.Text property.- Fix to make sure that the filename is not overwritten by a blank value when parsing mail-headers.3.7.6- Fixed list index out of bounds error.- Added POP3 RSET call TSakPOP.Reset.3.7.7- Altered SizeInBytes and Octets values to return server-side size when d/l headers only and use actual size once the entire message is downloaded.- Fixed a bug in GetBasicHeaders where To and CC fields could be mishandled if the mail headers were formed in a particular way.4.0.0 beta- All methods are now wrapped in classes. sak_util is now included for backwards compatibility only.- Several changes to make sakMail thread safe including the introduction of Mutexes which are cross process safe. Critical sections were an option however, although mutexes are a little slower, they are much more effective when you aren‘t sure how the code is going to be deployed...- Made several changes to the way connections are tracked, now making better use of the underlying Delphi components own properties and functions.- Several bug fixes included from solutions posted on mailing lists. Including change to datetime function to respect local time separator. There are more including one that Adem re-raised.- Removed almost all pointers as per Adems suggestion. Makes for neater code.- Hopefully backwards compatibility is kept. This is one of the objectives of the excersice although, internally, the components no longer use any of the non-object based methods. Also some of the non-object based methods actually have been re-written to create an object use the instance of the original method and then destroy the object again. This introduces a minor overhead however, because the objects are discreet, the trade is for much better memory usage and greater thread safety.- Introduced an include file to define compiler directives. Currently there are two directives. One defines whether to use the VCL or not, the other defines whether or not to use the FastStrings components. - With the intoduction of the Include file, this allows the development of code that is optional for users. One of these such changed is the use of the FastStrings base64 decoder. If you install the FastStrings components and turn on the compiler directive, you should have no functional changes however, the base64 decoder routines should have a much higher performance rating. Tests clock in at over 2000% faster attachment decoding on a P4 1.8GHz machine. (1.2Mb file 1686mS native sak Base64 Decoder, 79mS using FastStrings!)- This version is being released as a beta as the changes are pretty drastic. If the code is deemed to be stable and backwards compatible then it will be re-released as v4.0.1 with no changes.4.0.1 beta- Fixed an issue where Range Checking highlighted that the Attachment b64 decode routine raise a Range Error if the line that was to be decoded was empty. i.e. ‘‘.- Introduced a compiler directive to turn off range checking in the sakMIME procedure TBase64DecodingStream.Write to make sure that it runs correctly as Range Checking causes issues in this function.4.0.2 beta- Changed MailDateToDateTime function to the one provided by DengZhaoHui with a few modifications as even though it has better date processing than the original it caused EConvertErrors with some non-rfc dates.- Added the compiler directive to allow the inclusion of MD5 components from the DCPCrypt suite of encryption components. This allows the components to do APOP and SMTP AUTH functions as specified in RFCs 2095, 2104, 2449 and 2554. {UseDCP} ***** NOTE: These functions are experimental as although they are RFC compliant, they have not been tested against a secure mail server yet... *****- Using EurekaLog during load testing of the POP mail component, found and fixed several AV‘s in sakMSG, sakMIME and sakPOP. Mainly simple mistakes that required re-ordering of code or more checks before trying to manipulate data.- Altered the sockets code to be more stable with some servers. The previous implementation was totally incompatible with SendMail NT v3.0.2.- Fix added to compensate for incorrect operation of Connected property in some versions of Delphi.- Altered GetMultiLineFieldBody as per Adems suggestion. Also took some of Adems code and added it to GetFieldValueFromLine as the escape characters can appear in single line headers as well as multi-line ones.- TClientSocket is deprecated in Delphi 7. This may be the next large change in the sakEmail components. - Updated distribution to include more RFC‘s regarding the message format, POP and IMAP and hashing functions for CRAM mechanisms.- Fixed the handling of redirected mails as created by Eudora.- Force PopulateList to clear the list before populating it again.- Created a Delphi 6 package file.4.0.3 - Fixed AUTHSMTP buffer initialisation error. (Dmitry G. Kozhinov and Gabi Slonto)- Improved identification of servers that do not support the UIDL command. A small overhead is intorduced on servers that do support the command and have several mails to download but the feature allows better interaction with those servers that do not support UIDL.- Priority is now reported correctly when an e-mail is being decoded rather than only being used when sending an e-mail.4.0.4- Fixed an issue with a malformed header in a mail sent from MS Word through an Exchange server- Added a couple of try...finally blocks to the sakIMAP component.- Altered the sakIMAP components connected function to mirror the more accurate sakPOP method.- Consolidated all compiler directives into sakDef.inc- Added versioning compiler directives to allow the compilation of sakemail under Delphi 4.- General tidying of code. 4.0.5- Created a Delphi 7 package- Added properties to the IMAP component to allow read access to the LocalAddr and LocalHost socket properties.- Bugfix to sakMsg PopulateList function where a comma separated list did not contain any spaces- Access violation in sakPOP component due to incorrect use of free,freeandnil and compiler directives4.0.6- Added several features to the IMAP components.- Tidied up SMTP authentication routines (Improved use of MD5 for authentication using DCP components)- Included capability to send messages without an SMTP server (using Indy DNS components for MX lookups)- Bugfix in message parsing to stop a recursion loop due to a malformed mail.4.0.7- Memory leaks found by Amos and Paul regarding the sakMsg and sakPOP units respectively.- Bug fixes to attachment save code including stripping out invalid .. sequences from filenames- Improved the GetConnectedState method to check against the RemoteHost value on the Socket.- Updated POP example to be more responsive when downloading mail. Fixed a memory leak.Don‘t forget to subscribe to the mailing list (see the web pages at http://groups.yahoo.com/group/sakemail/)

GifDecoder

GifDecoder

package org.hds.Graphics; import java.net.*; import java.io.*; import java.util.*; import java.awt.*; import java.awt.image.*; public class GifDecoder { /** * File read status: No errors. */ public static final int STATUS_OK = 0; /** * File read status: Error decoding file &#40;may be partially decoded&#41; */ public static final int STATUS_FORMAT_ERROR = 1; /** * File read status: Unable to open source. */ public static final int STATUS_OPEN_ERROR = 2; protected BufferedInputStream in; protected int status; protected int width; // full image width protected int height; // full image height protected boolean gctFlag; // global color table used protected int gctSize; // size of global color table protected int loopCount = 1; // iterations; 0 = repeat forever protected int[] gct; // global color table protected int[] lct; // local color table protected int[] act; // active color table protected int bgIndex; // background color index protected int bgColor; // background color protected int lastBgColor; // previous bg color protected int pixelAspect; // pixel aspect ratio protected boolean lctFlag; // local color table flag protected boolean interlace; // interlace flag protected int lctSize; // local color table size protected int ix, iy, iw, ih; // current image rectangle protected Rectangle lastRect; // last image rect protected BufferedImage image; // current frame protected BufferedImage lastImage; // previous frame protected byte[] block = new byte[256]; // current data block protected int blockSize = 0; // block size // last graphic control extension info protected int dispose = 0; // 0=no action; 1=leave in place; 2=restore to bg; 3=restore to prev protected int lastDispose = 0; protected boolean transparency = false; // use transparent color protected int delay = 0; // delay in milliseconds protected int totaldelay = 0; // delay in milliseconds protected int transIndex; // transparent color index protected static final int MaxStackSize = 4096; // max decoder pixel stack size // LZW decoder working arrays protected short[] prefix; protected byte[] suffix; protected byte[] pixelStack; protected byte[] pixels; protected ArrayList frames; // frames read from current file protected int frameCount; static class GifFrame { public GifFrame(BufferedImage im, int del) { image = im; delay = del; } public BufferedImage image; public int delay; } /** * Gets display duration for specified frame. * * @param n int index of frame * @return delay in milliseconds */ public int getDelay(int n) { // delay = -1; if ((n >= 0) && (n &lt; frameCount)) { delay = ((GifFrame) frames.get(n)).delay; } return delay; } /** * Gets the number of frames read from file. * @return frame count */ public int getFrameCount() { return frameCount; } /** * Gets the number of frames read from file. * @return frame count */ public int gettotaldelay() { return totaldelay; } /** * Gets the first (or only) image read. * * @return BufferedImage containing first frame, or null if none. */ public BufferedImage getImage() { return getFrame(0); } /** * Gets the "Netscape" iteration count, if any. * A count of 0 means repeat indefinitiely. * * @return iteration count if one was specified, else 1. */ public int getLoopCount() { return loopCount; } /** * Creates new frame image from current data (and previous * frames as specified by their disposition codes). */ protected void setPixels() { // expose destination image's pixels as int array int[] dest = ((DataBufferInt) image.getRaster().getDataBuffer()).getData(); // fill in starting image contents based on last image's dispose code if (lastDispose &gt; 0) { if (lastDispose == 3) { // use image before last int n = frameCount - 2; if (n > 0) { lastImage = getFrame(n - 1); } else { lastImage = null; } } if (lastImage != null) { int[] prev = ((DataBufferInt) lastImage.getRaster().getDataBuffer()).getData(); System.arraycopy(prev, 0, dest, 0, width * height); // copy pixels if (lastDispose == 2) { // fill last image rect area with background color Graphics2D g = image.createGraphics(); Color c = null; if (transparency) { c = new Color(0, 0, 0, 0); // assume background is transparent } else { c = new Color(lastBgColor); // use given background color } g.setColor(c); g.setComposite(AlphaComposite.Src); // replace area g.fill(lastRect); g.dispose(); } } } // copy each source line to the appropriate place in the destination int pass = 1; int inc = 8; int iline = 0; for (int i = 0; i < ih; i++) { int line = i; if (interlace) { if (iline >= ih) { pass++; switch (pass) { case 2 : iline = 4; break; case 3 : iline = 2; inc = 4; break; case 4 : iline = 1; inc = 2; } } line = iline; iline += inc; } line += iy; if (line < height) { int k = line * width; int dx = k + ix; // start of line in dest int dlim = dx + iw; // end of dest line if ((k + width) < dlim) { dlim = k + width; // past dest edge } int sx = i * iw; // start of line in source while (dx < dlim) { // map color and insert in destination int index = ((int) pixels[sx++]) & 0xff; int c = act[index]; if (c != 0) { dest[dx] = c; } dx++; } } } } /** * Gets the image contents of frame n. * * @return BufferedImage representation of frame, or null if n is invalid. */ public BufferedImage getFrame(int n) { BufferedImage im = null; if ((n >= 0) && (n &lt; frameCount)) { im = ((GifFrame) frames.get(n)).image; } return im; } /** * Gets image size. * * @return GIF image dimensions */ public Dimension getFrameSize() { return new Dimension(width, height); } /** * Reads GIF image from stream * * @param BufferedInputStream containing GIF file. * @return read status code (0 = no errors) */ public int read(BufferedInputStream is) { init(); if (is != null) { in = is; readHeader(); if (!err()) { readContents(); if (frameCount &lt; 0) { status = STATUS_FORMAT_ERROR; } } } else { status = STATUS_OPEN_ERROR; } try { is.close(); } catch (IOException e) { } return status; } /** * Reads GIF image from stream * * @param InputStream containing GIF file. * @return read status code (0 = no errors) */ public int read(InputStream is) { init(); if (is != null) { if (!(is instanceof BufferedInputStream)) is = new BufferedInputStream(is); in = (BufferedInputStream) is; readHeader(); if (!err()) { readContents(); if (frameCount < 0) { status = STATUS_FORMAT_ERROR; } } } else { status = STATUS_OPEN_ERROR; } try { is.close(); } catch (IOException e) { } return status; } /** * Reads GIF file from specified file/URL source * (URL assumed if name contains ":/" or "file:") * * @param name String containing source * @return read status code (0 = no errors) */ public int read(String name) { status = STATUS_OK; try { name = name.trim().toLowerCase(); if ((name.indexOf("file:") >= 0) || (name.indexOf(":/") > 0)) { URL url = new URL(name); in = new BufferedInputStream(url.openStream()); } else { in = new BufferedInputStream(new FileInputStream(name)); } status = read(in); } catch (IOException e) { status = STATUS_OPEN_ERROR; } return status; } /** * Decodes LZW image data into pixel array. * Adapted from John Cristy's ImageMagick. */ protected void decodeImageData() { int NullCode = -1; int npix = iw * ih; int available, clear, code_mask, code_size, end_of_information, in_code, old_code, bits, code, count, i, datum, data_size, first, top, bi, pi; if ((pixels == null) || (pixels.length < npix)) { pixels = new byte[npix]; // allocate new pixel array } if (prefix == null) prefix = new short[MaxStackSize]; if (suffix == null) suffix = new byte[MaxStackSize]; if (pixelStack == null) pixelStack = new byte[MaxStackSize + 1]; // Initialize GIF data stream decoder. data_size = read(); clear = 1 << data_size; end_of_information = clear + 1; available = clear + 2; old_code = NullCode; code_size = data_size + 1; code_mask = (1 << code_size) - 1; for (code = 0; code < clear; code++) { prefix[code] = 0; suffix[code] = (byte) code; } // Decode GIF pixel stream. datum = bits = count = first = top = pi = bi = 0; for (i = 0; i < npix;) { if (top == 0) { if (bits < code_size) { // Load bytes until there are enough bits for a code. if (count == 0) { // Read a new data block. count = readBlock(); if (count <= 0) break; bi = 0; } datum += (((int) block[bi]) & 0xff) << bits; bits += 8; bi++; count--; continue; } // Get the next code. code = datum & code_mask; datum >>= code_size; bits -= code_size; // Interpret the code if ((code > available) || (code == end_of_information)) break; if (code == clear) { // Reset decoder. code_size = data_size + 1; code_mask = (1 << code_size) - 1; available = clear + 2; old_code = NullCode; continue; } if (old_code == NullCode) { pixelStack[top++] = suffix[code]; old_code = code; first = code; continue; } in_code = code; if (code == available) { pixelStack[top++] = (byte) first; code = old_code; } while (code > clear) { pixelStack[top++] = suffix[code]; code = prefix[code]; } first = ((int) suffix[code]) & 0xff; // Add a new string to the string table, if (available >= MaxStackSize) break; pixelStack[top++] = (byte) first; prefix[available] = (short) old_code; suffix[available] = (byte) first; available++; if (((available & code_mask) == 0) && (available < MaxStackSize)) { code_size++; code_mask += available; } old_code = in_code; } // Pop a pixel off the pixel stack. top--; pixels[pi++] = pixelStack[top]; i++; } for (i = pi; i < npix; i++) { pixels[i] = 0; // clear missing pixels } } /** * Returns true if an error was encountered during reading/decoding */ protected boolean err() { return status != STATUS_OK; } /** * Initializes or re-initializes reader */ protected void init() { status = STATUS_OK; frameCount = 0; frames = new ArrayList(); gct = null; lct = null; } /** * Reads a single byte from the input stream. */ protected int read() { int curByte = 0; try { curByte = in.read(); } catch (IOException e) { status = STATUS_FORMAT_ERROR; } return curByte; } /** * Reads next variable length block from input. * * @return number of bytes stored in "buffer" */ protected int readBlock() { blockSize = read(); int n = 0; if (blockSize > 0) { try { int count = 0; while (n < blockSize) { count = in.read(block, n, blockSize - n); if (count == -1) break; n += count; } } catch (IOException e) { } if (n < blockSize) { status = STATUS_FORMAT_ERROR; } } return n; } /** * Reads color table as 256 RGB integer values * * @param ncolors int number of colors to read * @return int array containing 256 colors (packed ARGB with full alpha) */ protected int[] readColorTable(int ncolors) { int nbytes = 3 * ncolors; int[] tab = null; byte[] c = new byte[nbytes]; int n = 0; try { n = in.read(c); } catch (IOException e) { } if (n < nbytes) { status = STATUS_FORMAT_ERROR; } else { tab = new int[256]; // max size to avoid bounds checks int i = 0; int j = 0; while (i < ncolors) { int r = ((int) c[j++]) & 0xff; int g = ((int) c[j++]) & 0xff; int b = ((int) c[j++]) & 0xff; tab[i++] = 0xff000000 | (r << 16) | (g << 8) | b; } } return tab; } /** * Main file parser. Reads GIF content blocks. */ protected void readContents() { // read GIF file content blocks boolean done = false; while (!(done || err())) { int code = read(); switch (code) { case 0x2C : // image separator readImage(); break; case 0x21 : // extension code = read(); switch (code) { case 0xf9 : // graphics control extension readGraphicControlExt(); break; case 0xff : // application extension readBlock(); String app = ""; for (int i = 0; i < 11; i++) { app += (char) block[i]; } if (app.equals("NETSCAPE2.0")) { readNetscapeExt(); } else skip(); // don't care break; default : // uninteresting extension skip(); } break; case 0x3b : // terminator done = true; break; case 0x00 : // bad byte, but keep going and see what happens break; default : status = STATUS_FORMAT_ERROR; } } } /** * Reads Graphics Control Extension values */ protected void readGraphicControlExt() { read(); // block size int packed = read(); // packed fields dispose = (packed & 0x1c) >> 2; // disposal method if (dispose == 0) { dispose = 1; // elect to keep old image if discretionary } transparency = (packed & 1) != 0; delay = readShort() * 10; // delay in milliseconds transIndex = read(); // transparent color index read(); // block terminator } /** * Reads GIF file header information. */ protected void readHeader() { String id = ""; for (int i = 0; i < 6; i++) { id += (char) read(); } /* * 如果id!=GIF89a佳毅判断不了暂时不用 */ if(!id.equals("GIF89a")) { status = STATUS_FORMAT_ERROR; return; } if (!id.startsWith("GIF")) { status = STATUS_FORMAT_ERROR; return; } readLSD(); if (gctFlag && !err()) {//全局定义颜色列表 gct = readColorTable(gctSize); bgColor = gct[bgIndex]; } } /** * Reads next frame image * 读每帧图片信息 */ protected void readImage() { ix = readShort(); // (sub)image position & size iy = readShort(); iw = readShort(); ih = readShort(); if(ix > width || iy > height || iw > width || ih > height)//当帧位置大小有问题佳毅不支持 {status = STATUS_FORMAT_ERROR;} int packed = read(); lctFlag = (packed & 0x80) != 0; // 1 - local color table flag局部颜色列表 interlace = (packed & 0x40) != 0; // 2 - interlace flag // 3 - sort flag // 4-5 - reserved lctSize = 2 << (packed & 7); // 6-8 - local color table size if (lctFlag) { status = STATUS_FORMAT_ERROR;//局部颜色列表 佳毅不支持 lct = readColorTable(lctSize); // read table act = lct; // make local table active } else { act = gct; // make global table active if (bgIndex == transIndex) bgColor = 0; } int save = 0; if (transparency) { save = act[transIndex]; act[transIndex] = 0; // set transparent color if specified } if (act == null) { status = STATUS_FORMAT_ERROR; // no color table defined } if (err()) return; decodeImageData(); // decode pixel data skip(); if (err()) return; frameCount++; // create new image to receive frame data image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB_PRE); setPixels(); // transfer pixel data to image frames.add(new GifFrame(image, delay)); // add image to frame list totaldelay += delay; if (transparency) { act[transIndex] = save; } resetFrame(); } /** * Reads Logical Screen Descriptor */ protected void readLSD() { // logical screen size width = readShort(); height = readShort(); // packed fields int packed = read(); gctFlag = (packed & 0x80) != 0; // 1 : global color table flag 全局定义颜色列表 true // 2-4 : color resolution // 5 : gct sort flag gctSize = 2 << (packed & 7); // 6-8 : gct size bgIndex = read(); // background color index pixelAspect = read(); // pixel aspect ratio } /** * Reads Netscape extenstion to obtain iteration count */ protected void readNetscapeExt() { do { readBlock(); if (block[0] == 1) { // loop count sub-block int b1 = ((int) block[1]) & 0xff; int b2 = ((int) block[2]) & 0xff; loopCount = (b2 << 8) | b1; } } while ((blockSize > 0) && !err()); } /** * Reads next 16-bit value, LSB first */ protected int readShort() { // read 16-bit value, LSB first return read() | (read() << 8); } /** * Resets frame state for reading next image. */ protected void resetFrame() { lastDispose = dispose; lastRect = new Rectangle(ix, iy, iw, ih); lastImage = image; lastBgColor = bgColor; int dispose = 0; boolean transparency = false; int delay = 0; lct = null; } protected void skip() { do { readBlock(); } while ((blockSize > 0) && !err()); } }

Delphi7.1 Update

Delphi7.1 Update

Delphi 7.1 Update Release Notes=======================================================This file contains important supplemental and late-breakinginformation that may not appear in the main productdocumentation, and supersedes information contained in otherdocuments, including previously installed release notes.Borland recommends that you read this file in its entirety.NOTE: If you are updating a localized version of Delphi 7, visit the Borland Registered User web site to obtain a localized readme file that may contain important late- breaking information not included in this readme file.IMPORTANT: Delphi must be closed before installing this update. =====================================================CONTENTS * INSTALLING THIS UPDATE * UPDATING LOCALIZED VERSIONS OF DELPHI 7 * KNOWN ISSUES * ISSUES ADDRESSED BY THIS UPDATE - IDE - CORE DATABASE - DATASNAP - DBGO (ADO COMPONENTS) - dbExpress - dbExpress COMPONENTS AND DB VCL - dbExpress CORE DRIVER AND METADATA - dbExpress VENDOR ISSUES - dbExpress CERTIFICATION - WEB SNAP - ACTIVEX - COMPILER - RTL - VCL - THIRD PARTY - BOLD FOR DELPHI * VERIFYING THAT THE UPDATE WAS SUCCESSFUL * FILES INSTALLED BY THIS UPDATE =======================================================INSTALLING THIS UPDATE* This update can not be applied to Delphi 7 Architect Trial version. * This update can not be removed after it is installed.* You will need the original Delphi 7 installation CD available to install this update.* To install this update from the CD, insert the CD, and launch the d7_ent_upd1.exe file appropriate for your locale.* To install this update from the Web, double-click the self-executing installation file and follow the prompts. * The Delphi 7 documentation PDF files are available on the update CD.========================================================UPDATING LOCALIZED VERSIONS OF DELPHI 7* This update can be applied only to the English version of Delphi 7. There are separate updates for the German, French and Japanese ver

PLSQL.Developer(X64) v12.0.1.1814 主程序+ v11中文包+keygen

PLSQL.Developer(X64) v12.0.1.1814 主程序+ v11中文包+keygen

64位版本的 PLSQL 正式版，只能运行在64位系统中，需要你安装 64 位的 Oracle11g 或 Oracle12c 客户端。 安装中文包时请注意安装路径是否为PLSQL程序的路径。 备注：新版本Ribbon启用了 Ribbon 界面，改动较大，不习惯的建议不要更新。 部分插件会加载失败。 Ribbon User Interface PL/SQL Developer now uses a new Ribbon User Interface instead of a Menu User Interface: The Quick Access Toolbar above the ribbon contains the most frequently used functions, so that they are always immediately available. You can customize the Quick Access Toolbar to your own liking. Users that prefer a menu-like system to preserve screen real estate can select to automatically hide the ribbon. In the preferences you can select an option to revert to the familiar toolbar layout from PL/SQL Developer 11.0 and earlier. Single Document Interface On the "View" ribbon you can now choose between a Single Document Interface (SDI) or Multiple Document Interface (MDI - the same as in PL/SQL Developer 11.0 and earlier). In SDI mode you always see just one maximized window. A tab control above the window allows you to quickly switch between the windows: General User Interface Enhancements PL/SQL Developer is now fully compliant with High-DPI screens such as 4K monitors and notebooks. All controls and images will scale with resolution (some Plug-Ins may still need to be enhanced). Click on the image below to enlarge this example of a 15" 4K notebook (250% DPI): All window types now have a specific icon color, so that you can quickly identify the type in the Window List, in the SDI tab control, in the window titles, and so on. The transaction status is now visible in the status bar of a window, next to the "Saved" and "Executing" indicators. Added user interface preference "Preselect current user for object selection lists". PL/SQL Clipboard The new PL/SQL Clipboard is a dockable tool that stores the history of all SQL and PL/SQL code you copy to the Windows clipboard, so that you can paste the clipboard item again in the future. It has a filter function so that you can quickly find a clipboard item based on its contents: At the bottom you see the PL/SQL Clipboard history items. Clicking on an item will show the text with syntax highlighting in the preview pane, and will show the timestamp above the preview pane. Double-click on an item to paste the text in the cursor location of the current editor or drag & drop it to a specific location in an editor. You can use the editor preferences to configure when and how items are added to and deleted from the PL/SQL Clipboard. Debugger Enhancements You can now display compound variable values such as user-defined types, records and cursors: Support has been added for Error Breakpoints, which allow you to break execution when a specific exception (handled or unhandled) occurs: Breakpoints can now be saved and loaded. Debug object privileges can now be granted and revoked from the user interface. Code Assistant Enhancements The Code Assistant can now include column names from a DML statement context without using an alias: The Code Assistant can now describe sub-records. The Code Assistant now includes an <All> choice for default object type constructors. The Code Assistant can now include synonyms for user object lists. The Code Assistant no longer pre-selects <All> after typing part of a parameter/column name. SQL Window Enhancements A new preference has been added: "Null value cell color for mandatory columns". This allows you to quickly identify mandatory columns when adding new records: The result set selection can now be copied as an expression list: "column in (value, value, ...)" by right-clicking on a selection and selecting "Copy as expression list" from the popup menu. This allows you to quickly build a where clause based on the selection: When viewing or editing LOB's the contents for common data formats will automatically be recognized, so that an external viewer or editor can be invoked: Changes made and saved in an external editor will automatically be propagated to the column data. The SQL Window will now navigate to the offending cell in the result set after an insert or update with a column-specific error. The rowid column is now omitted when exporting a result set grid in SQL format. Test Window Enhancements You can now define Standard Tests for a specific function or procedure: A Standard Test can be invoked from the popup menu when right-clicking on the function or procedure in the Object Browser or in a PL/SQL source: The Test Window now supports Oracle12c implicit results, which are automatically detected and added to the variable list: A new Oracle / Output preference has been added to save dbms_output to a file. The filename can include %dbname%, %dbuser% and %date% variables to separate output files based on the database, user and date. Program Window Enhancements You can now suppress a hint or warning for a specific line of code by adding a "-- Ignore" comment. The Code Contents pane now shows local subprograms within a procedure/function in a separate folder. Session Window Enhancements The Session Window now has a Single Record View for the session details: You can now kill a session with the "immediate" option. Connection Enhancements A "Set current schema" item has been added to the connection popup menu. It will set the current schema for all windows of this connection. The current schema will be displayed in square brackets in the Connection List: Connecting through a proxy user is now supported. Other Enhancements A Compare function has been added to the Object Browser. You can compare program units, tables, views, sequences with sources in the database, in a file or in a window. A new Oracle / Options preference "Always include owner prefix" has been added. When enabled, DLL extracted from the database will always include the owner prefix. When disabled, the owner will be omitted if you are connected as the owner. A new "Stop" item has been added to the DBMS Scheduler "Running job" popup menu. Support has been added for Oracle12c read privileges for tables and views. Scripts generated by Export User Objects and Export Tables now have user-defined initialization and finalization. These files are located in the %APPDATA%\PLSQL Developer 12\Scripts directory. The Text Importer and ODBC Importer can now also truncate a table before import, in addition to the "Delete" option. The truncate option is faster but cannot be rolled back. The Compile Invalid Objects tool now has a User Selector. PL/SQL Developer 12 now comes as a new MSI installer for interactive and silent installation.

plsqldev12.0.4.1826x32主程序+ v12中文包+keygen

plsqldev12.0.4.1826x32主程序+ v12中文包+keygen

32位版本的 PLSQL 正式版， 安装中文包时请注意安装路径是否为PLSQL程序的路径。 备注：新版本Ribbon启用了 Ribbon 界面，改动较大，不习惯的建议不要更新。 部分插件会加载失败。 New features Ribbon User Interface PL/SQL Developer now uses a new Ribbon User Interface instead of a Menu User Interface: The Quick Access Toolbar above the ribbon contains the most frequently used functions, so that they are always immediately available. You can customize the Quick Access Toolbar to your own liking. Users that prefer a menu-like system to preserve screen real estate can select to automatically hide the ribbon. In the preferences you can select an option to revert to the familiar toolbar layout from PL/SQL Developer 11.0 and earlier. Single Document Interface On the "View" ribbon you can now choose between a Single Document Interface (SDI) or Multiple Document Interface (MDI - the same as in PL/SQL Developer 11.0 and earlier). In SDI mode you always see just one maximized window. A tab control above the window allows you to quickly switch between the windows: General User Interface Enhancements PL/SQL Developer is now fully compliant with High-DPI screens such as 4K monitors and notebooks. All controls and images will scale with resolution (some Plug-Ins may still need to be enhanced). Click on the image below to enlarge this example of a 15" 4K notebook (250% DPI): All window types now have a specific icon color, so that you can quickly identify the type in the Window List, in the SDI tab control, in the window titles, and so on. The transaction status is now visible in the status bar of a window, next to the "Saved" and "Executing" indicators. Added user interface preference "Preselect current user for object selection lists". PL/SQL Clipboard The new PL/SQL Clipboard is a dockable tool that stores the history of all SQL and PL/SQL code you copy to the Windows clipboard, so that you can paste the clipboard item again in the future. It has a filter function so that you can quickly find a clipboard item based on its contents: At the bottom you see the PL/SQL Clipboard history items. Clicking on an item will show the text with syntax highlighting in the preview pane, and will show the timestamp above the preview pane. Double-click on an item to paste the text in the cursor location of the current editor or drag & drop it to a specific location in an editor. You can use the editor preferences to configure when and how items are added to and deleted from the PL/SQL Clipboard. Debugger Enhancements You can now display compound variable values such as user-defined types, records and cursors: Support has been added for Error Breakpoints, which allow you to break execution when a specific exception (handled or unhandled) occurs: Breakpoints can now be saved and loaded. Debug object privileges can now be granted and revoked from the user interface. Code Assistant Enhancements The Code Assistant can now include column names from a DML statement context without using an alias: The Code Assistant can now describe sub-records. The Code Assistant now includes an <All> choice for default object type constructors. The Code Assistant can now include synonyms for user object lists. The Code Assistant no longer pre-selects <All> after typing part of a parameter/column name. SQL Window Enhancements A new preference has been added: "Null value cell color for mandatory columns". This allows you to quickly identify mandatory columns when adding new records: The result set selection can now be copied as an expression list: "column in (value, value, ...)" by right-clicking on a selection and selecting "Copy as expression list" from the popup menu. This allows you to quickly build a where clause based on the selection: When viewing or editing LOB's the contents for common data formats will automatically be recognized, so that an external viewer or editor can be invoked: Changes made and saved in an external editor will automatically be propagated to the column data. The SQL Window will now navigate to the offending cell in the result set after an insert or update with a column-specific error. The rowid column is now omitted when exporting a result set grid in SQL format. Test Window Enhancements You can now define Standard Tests for a specific function or procedure: A Standard Test can be invoked from the popup menu when right-clicking on the function or procedure in the Object Browser or in a PL/SQL source: The Test Window now supports Oracle12c implicit results, which are automatically detected and added to the variable list: A new Oracle / Output preference has been added to save dbms_output to a file. The filename can include %dbname%, %dbuser% and %date% variables to separate output files based on the database, user and date. Program Window Enhancements You can now suppress a hint or warning for a specific line of code by adding a "-- Ignore" comment. The Code Contents pane now shows local subprograms within a procedure/function in a separate folder. Session Window Enhancements The Session Window now has a Single Record View for the session details: You can now kill a session with the "immediate" option. Connection Enhancements A "Set current schema" item has been added to the connection popup menu. It will set the current schema for all windows of this connection. The current schema will be displayed in square brackets in the Connection List: Connecting through a proxy user is now supported. Other Enhancements A Compare function has been added to the Object Browser. You can compare program units, tables, views, sequences with sources in the database, in a file or in a window. A new Oracle / Options preference "Always include owner prefix" has been added. When enabled, DLL extracted from the database will always include the owner prefix. When disabled, the owner will be omitted if you are connected as the owner. A new "Stop" item has been added to the DBMS Scheduler "Running job" popup menu. Support has been added for Oracle12c read privileges for tables and views. Scripts generated by Export User Objects and Export Tables now have user-defined initialization and finalization. These files are located in the %APPDATA%\PLSQL Developer 12\Scripts directory. The Text Importer and ODBC Importer can now also truncate a table before import, in addition to the "Delete" option. The truncate option is faster but cannot be rolled back. The Compile Invalid Objects tool now has a User Selector. PL/SQL Developer 12 now comes as a new MSI installer for interactive and silent installation.

PLSQL.Developer(X32) v12.0.1.1814主程序+ v11中文包+keygen

PLSQL.Developer(X32) v12.0.1.1814主程序+ v11中文包+keygen

32位版本 备注：新版本Ribbon启用了 Ribbon 界面，改动较大，不习惯的建议不要更新。 部分插件会加载失败。 Ribbon User Interface PL/SQL Developer now uses a new Ribbon User Interface instead of a Menu User Interface: The Quick Access Toolbar above the ribbon contains the most frequently used functions, so that they are always immediately available. You can customize the Quick Access Toolbar to your own liking. Users that prefer a menu-like system to preserve screen real estate can select to automatically hide the ribbon. In the preferences you can select an option to revert to the familiar toolbar layout from PL/SQL Developer 11.0 and earlier. Single Document Interface On the "View" ribbon you can now choose between a Single Document Interface (SDI) or Multiple Document Interface (MDI - the same as in PL/SQL Developer 11.0 and earlier). In SDI mode you always see just one maximized window. A tab control above the window allows you to quickly switch between the windows: General User Interface Enhancements PL/SQL Developer is now fully compliant with High-DPI screens such as 4K monitors and notebooks. All controls and images will scale with resolution (some Plug-Ins may still need to be enhanced). Click on the image below to enlarge this example of a 15" 4K notebook (250% DPI): All window types now have a specific icon color, so that you can quickly identify the type in the Window List, in the SDI tab control, in the window titles, and so on. The transaction status is now visible in the status bar of a window, next to the "Saved" and "Executing" indicators. Added user interface preference "Preselect current user for object selection lists". PL/SQL Clipboard The new PL/SQL Clipboard is a dockable tool that stores the history of all SQL and PL/SQL code you copy to the Windows clipboard, so that you can paste the clipboard item again in the future. It has a filter function so that you can quickly find a clipboard item based on its contents: At the bottom you see the PL/SQL Clipboard history items. Clicking on an item will show the text with syntax highlighting in the preview pane, and will show the timestamp above the preview pane. Double-click on an item to paste the text in the cursor location of the current editor or drag & drop it to a specific location in an editor. You can use the editor preferences to configure when and how items are added to and deleted from the PL/SQL Clipboard. Debugger Enhancements You can now display compound variable values such as user-defined types, records and cursors: Support has been added for Error Breakpoints, which allow you to break execution when a specific exception (handled or unhandled) occurs: Breakpoints can now be saved and loaded. Debug object privileges can now be granted and revoked from the user interface. Code Assistant Enhancements The Code Assistant can now include column names from a DML statement context without using an alias: The Code Assistant can now describe sub-records. The Code Assistant now includes an <All> choice for default object type constructors. The Code Assistant can now include synonyms for user object lists. The Code Assistant no longer pre-selects <All> after typing part of a parameter/column name. SQL Window Enhancements A new preference has been added: "Null value cell color for mandatory columns". This allows you to quickly identify mandatory columns when adding new records: The result set selection can now be copied as an expression list: "column in (value, value, ...)" by right-clicking on a selection and selecting "Copy as expression list" from the popup menu. This allows you to quickly build a where clause based on the selection: When viewing or editing LOB's the contents for common data formats will automatically be recognized, so that an external viewer or editor can be invoked: Changes made and saved in an external editor will automatically be propagated to the column data. The SQL Window will now navigate to the offending cell in the result set after an insert or update with a column-specific error. The rowid column is now omitted when exporting a result set grid in SQL format. Test Window Enhancements You can now define Standard Tests for a specific function or procedure: A Standard Test can be invoked from the popup menu when right-clicking on the function or procedure in the Object Browser or in a PL/SQL source: The Test Window now supports Oracle12c implicit results, which are automatically detected and added to the variable list: A new Oracle / Output preference has been added to save dbms_output to a file. The filename can include %dbname%, %dbuser% and %date% variables to separate output files based on the database, user and date. Program Window Enhancements You can now suppress a hint or warning for a specific line of code by adding a "-- Ignore" comment. The Code Contents pane now shows local subprograms within a procedure/function in a separate folder. Session Window Enhancements The Session Window now has a Single Record View for the session details: You can now kill a session with the "immediate" option. Connection Enhancements A "Set current schema" item has been added to the connection popup menu. It will set the current schema for all windows of this connection. The current schema will be displayed in square brackets in the Connection List: Connecting through a proxy user is now supported. Other Enhancements A Compare function has been added to the Object Browser. You can compare program units, tables, views, sequences with sources in the database, in a file or in a window. A new Oracle / Options preference "Always include owner prefix" has been added. When enabled, DLL extracted from the database will always include the owner prefix. When disabled, the owner will be omitted if you are connected as the owner. A new "Stop" item has been added to the DBMS Scheduler "Running job" popup menu. Support has been added for Oracle12c read privileges for tables and views. Scripts generated by Export User Objects and Export Tables now have user-defined initialization and finalization. These files are located in the %APPDATA%\PLSQL Developer 12\Scripts directory. The Text Importer and ODBC Importer can now also truncate a table before import, in addition to the "Delete" option. The truncate option is faster but cannot be rolled back. The Compile Invalid Objects tool now has a User Selector. PL/SQL Developer 12 now comes as a new MSI installer for interactive and silent installation.

plsqldev12.0.4.1826x64主程序+ v12中文包+keygen

plsqldev12.0.4.1826x64主程序+ v12中文包+keygen

64位版本的 PLSQL 正式版，只能运行在64位系统中，需要你安装 64 位的 Oracle11g 或 Oracle12c 客户端。 安装中文包时请注意安装路径是否为PLSQL程序的路径。 备注：新版本Ribbon启用了 Ribbon 界面，改动较大，不习惯的建议不要更新。 部分插件会加载失败。 New features Ribbon User Interface PL/SQL Developer now uses a new Ribbon User Interface instead of a Menu User Interface: The Quick Access Toolba

PLSQL.Developer v11.0.0.1762 主程序+ v10中文包+keygen

PLSQL.Developer v11.0.0.1762 主程序+ v10中文包+keygen

New features SQL Window enhancements The result set toolbar has a new Compare records button to easily compare records in the result set: Other enhancements include: A Refresh result set button has been added to refresh (re-execute) the result set of the currently selected result tab page Column totals (sum, count, min, max, avg) are now persistent after re-executing a query Added Excel exporter (both xls and xlsx support) Support has been added for Oracle12c extended strings (> 4000 bytes) The align button has a new Hide editor option to show only the result set The align button has a new Window width option to resize the SQL Window width to match the result set width You can now use an AltRowColor=[RRGGBB | name] directive in a comment section of the SQL Window to control the alternate row color You can now use a Records=[all|page|<n>] directive in a comment section of the SQL Window to control the number of initially fetched records You can now use a Totals=[mode:column] directive in a comment section of the SQL Window to display column totals Test Window enhancement New debugger button: Run to cursor line DBMS Output tab page now shows an indicator when output is available Variables can now be sorted by name, type or value Breakpoints form now has a Go to menu item (also double-click). When selected you will be taken to the source location in a Program Window. Program Window enhancements Code Contents sorting mode is remembered Support for NonEditionable program units Plan Window enhancements On Oracle11g and later you can view the execution plan in HTML, Text and XML format The Copy function now includes the headers Large number values are now formatted with digit groups Table Definition Editor enhancements Support added for identity columns (Oracle 12c) Support added for "default on null" columns (Oracle 12c) Support added for domain indexes Support added for Logging property of indexes Support added for Validated property of constraints Changing a constraint name will now lead to an "alter table rename constraint" command Changing an index name will now lead to an "alter index rename" command Editor enhancements Column names are highlighted when typing values for an insert or update statement Selection > Uppercase/Lowercase no longer affects quoted text Go to Bookmark now positions bookmark in the centre of the editor Code Assistant enhancements The Code Assistant now allows you to select multiple items for column lists and parameter lists Substitution variable enhancements New option "lines=<n>" controls number of input lines on the form New option "editor=plain/sql/xml" adds a button that invokes a text editor with the given syntax highlighting New option "lowercase=yes" converts input to lowercase Template enhancements Templates now use the same substitution variable syntax as the SQL Window and Report Window. This adds the following features to the template functionality: Hints Typed variables Hidden variables Required option Uppercase option Lowercase option Descriptive lists Multi-select lists Variable references in queries The old syntax is still supported for backward compatibility. Recall Statement enhancements You can now select multiple statements The complete statement text can now be expanded/collapsed Semi-colon added when recalling a single SQL statement Recall directory preference now accepts environment variables Connection enhancements For each connection you can now define an initialization script that will be executed for each database session that is created for the connection Test Manager enhancements Notes tab page added Added support for LIKE 'VALUE' for output values Added support for IN (VALUE_LIST) for output values Disabled test items are now displayed grayed out in the list Table Export/Import enhancements User selector added, allowing you to export tables owned by another user. Added support for Oracle12c extended strings (> 4000 bytes) Added Statistics option for the Oracle Export format When exporting in Oracle Export format without rows, statistics will implicitly be excluded Session Window enhancements Support added for HTML text. Click on the cell button of the <HTML> text to view its contents in an HTML Window. SQL Monitor detail tab page added (Oracle 11.2 and later) Queries in the can now be database version specific Object Browser enhancements The Object Browser has a new filter field where you can quickly enter filter expressions to limit the browser contents. You can for example enter DEPT% to show only objects that start with DEPT. You can additionally filter on the source text (for PL/SQL objects), status (valid/invalid), creation date and modification date. The filter expression can be entered or modified directly in the filter field above the Object Browser, or you can click on the filter field button to invoke the filter options form. The form has an option to recall the most recently used filters. The example above filters for Valid objects that have the word DeptRecord in the PL/SQL source. Other enhancements include: Indexes and constraints can now be renamed Triggers can now be created in the context of a table or view Folders added for Primary, Unique and Foreign key constraints for views Search Bar enhancements A new Search in files option allows you to search on the file system. Results are displayed in the Search List and will be opened in the IDE when clicked. Clicking on the arrow button next to the Search in files button will open the Search file dialog: Here you can either select one or more locations from the File Browser, select one or more previously defined custom selections, or enter the file selection directly. Window List enhancements Transaction indicator added for applicable window types Short Text in Window list for database objects shortened Windows are now always displayed in the same order as the Window menu Ctrl-Tab and Ctrl-Shift-Tab now always cycle through the windows in the Window List order Project enhancements Project folder history preference. When enabled the folder history when opening and saving files is project specific. When disabled, the general history will be used. Project file browser preference. When enabled the project has its own File Browser definitions so that you can easily find project specific files. When disabled, the general File Browser definitions will be used. Preference enhancements A new Export/Import function allows you to export specific preference sections to a file, and to import them on another PC. The following preferences options have been added: Files/Format/Encoding: Save with BOM (Unicode Byte Order Mark) User Interface/Options: Maximum recent files User Interface/Code Assistant: Align parameter values\ User Interface/Code Assistant: Maximum items on one line User Interface/Appearance: Connection List Sorting (Last used, Database, Username, Display name) Oracle/Logon History: Delete all items button added Tools/Recall Statement: Directory name now supports environment variables General IDE enhancements Full screen mode will now show minimized docking tools so that they can still be accessed Connection popup menu item "New Instance" added to open a new PL/SQL Developer instance for the selected connection When the read-only status of a file changes this will be propagated to a window associated with that file The logon form now has shortcuts for all fields, is sizeable to show long database names in the selection list For multi-monitor configurations the form positions will now be stored and restored per monitor Crash recovery and desktop files now saved in the user's Application Data directory instead of the Temp directory Command-line parameter NoLoadDesktop added to prevent loading layout on startup Command-line parameter InstanceName added to identify different instances for storing form positions Other enhancements Compare User Objects, Export User Objects and Compare Table Data now allow you to select a user after startup or connection change Compile Invalid Objects no longer implicitly refreshes the object list when the main connection is changed Copy function added to the Search List popup menu Refresh function added to the File Browser popup menu

已经到底了哦
热门内容 热门内容
1 HCIE - Al Solution 华为认证2 BFS 算法的 JS 魔法之旅[特殊字符]3 SpringCloud从入门到架构师4 【NestJS】第10节 关联关系与查询构建5 Java踩坑笔记6 【人工智能】从零开始构建你的专属AI代理：DIY智能体全面指南7 看懂项目管理 # 从教科书到职场现实的十堂课8 jQuery动态动画效果9 手机双目虚化拍照课程：从零到落地10 搜狗输入法输入“sj““rq“不显示？3秒激活时间日期神操作！
热门代码资源
热门代码资源
1 opencv3+python人脸检测和识别 完整项目 识别视频《欢乐颂》中人物 源码下载2 基于LSTM模型的股票预测模型_python3 基于傅里叶算子的手势识别的完整源代码（Python实现，包含样本库）4 卷积神经网络图像识别python代码5 房价预测的BP神经网络实现_python代码6 leetcode全套解答python版本7 python实现车道线识别程序8 Python 3.9 安装包9 Ollama软件windows安装包(版本0.3.10)10 清华大学104页《DeepSeek：从入门到精通》.pdf

最新推荐最新推荐

recommend-type

将图片转换为ICO的小工具（可修改，背景透明）

可以将各种图片转换为ico格式的图片，方便制作软件的图标
recommend-type

ICO图标大全，十万个电脑图标

本库是集成了几万个ICO图标的压缩包，各种类型的图标都有，界面布局，软件图标，都可以用
recommend-type

python-图片转ico

python-图片转ico
recommend-type

ico图标制作工具

py2exe打包exe带自定义图标需要使用到的工具。 py2exe打包exe带自定义图标需要使用到的工具。
recommend-type

Python实现程序：SVG图片转为ico图标

使用场景：很多时候下载的图片都是SVG矢量文件，不适用于需要 ico图片 的场景。 举例说明：比如，iconfont网站上下载的图标资源。 功能描述：此程序使用Python编写 1. 可以将 单个SVG图片文件 转换为 【128/64/48/32/16】 任一尺寸的 ico 图片。 2. 可以将 一个目录下的所有SVG图片，同时转换为对应的 任意尺寸的 ico 图片。 3. 输入的 ico图标文件 都存储在 存放SVG图片目录中的 icons子目录中，并会组建相同的文件结构。
recommend-type

学生成绩管理系统C++课程设计与实践

资源摘要信息:"学生成绩信息管理系统-C++(1).doc" 1. 系统需求分析与设计 在进行学生成绩信息管理系统开发前，首先需要进行系统需求分析，这是确定系统开发目标与范围的过程。需求分析应包括数据需求和功能需求两个方面。 - 数据需求分析： - 学生成绩信息：需要收集学生的姓名、学号、课程成绩等数据。 - 数据类型和长度：明确每个数据项的数据类型（如字符串、整型等）和长度，例如学号可能是字符串类型且长度为一定值。 - 描述：详细描述每个数据项的意义，以确保系统能够准确处理。 - 功能需求分析： - 列出功能列表：用户界面应提供清晰的操作指引，列出所有可用功能。 - 查询学生成绩：系统应能通过学号或姓名查询学生的成绩信息。 - 增加学生成绩信息：允许用户添加未保存的学生成绩信息。 - 删除学生成绩信息：能够通过学号或姓名删除已经保存的成绩信息。 - 修改学生成绩信息：通过学号或姓名修改已有的成绩记录。 - 退出程序：提供安全退出程序的选项，并确保所有修改都已保存。 2. 系统设计 系统设计阶段主要完成内存数据结构设计、数据文件设计、代码设计、输入输出设计、用户界面设计和处理过程设计。 - 内存数据结构设计： - 使用链表结构组织内存中的数据，便于动态增删查改操作。 - 数据文件设计： - 选择文本文件存储数据，便于查看和编辑。 - 代码设计： - 根据功能需求，编写相应的函数和模块。 - 输入输出设计： - 设计简洁明了的输入输出提示信息和操作流程。 - 用户界面设计： - 用户界面应为字符界面，方便在命令行环境下使用。 - 处理过程设计： - 设计数据处理流程，确保每个操作都有明确的处理逻辑。 3. 系统实现与测试 实现阶段需要根据设计阶段的成果编写程序代码，并进行系统测试。 - 程序编写： - 完成系统设计中所有功能的程序代码编写。 - 系统测试： - 设计测试用例，通过测试用例上机测试系统。 - 记录测试方法和测试结果，确保系统稳定可靠。 4. 设计报告撰写 最后，根据系统开发的各个阶段，撰写详细的设计报告。 - 系统描述：包括问题说明、数据需求和功能需求。 - 系统设计：详细记录内存数据结构设计、数据文件设计、代码设计、输入/输出设计、用户界面设计、处理过程设计。 - 系统测试：包括测试用例描述、测试方法和测试结果。 - 设计特点、不足、收获和体会：反思整个开发过程，总结经验和教训。 时间安排： - 第19周（7月12日至7月16日）完成项目。 - 7月9日8:00到计算机学院实验中心（三楼）提交程序和课程设计报告。 指导教师和系主任（或责任教师）需要在文档上签名确认。 系统需求分析： - 使用表格记录系统需求分析的结果，包括数据项、数据类型、数据长度和描述。 - 分析数据项如学生成绩信息、状态器、链表节点等，确定其属性和行为。 以上就是文档中提到的学生成绩信息管理系统开发的关键知识点。开发此类系统需要熟练掌握C++编程基础，了解面向对象的程序设计思想，以及熟悉文件操作和链表等数据结构的应用。此外，良好的软件开发流程意识、测试意识和文档撰写能力也是必不可少的。
recommend-type

别再手动拖拽了！用Lumerical脚本批量创建FDTD仿真结构（附完整代码）

# 告别低效建模：Lumerical脚本自动化实战指南 在光子学仿真领域，时间就是科研生命线。当同行还在GUI界面里反复点击菜单时，你已经用脚本批量生成了20组参数化结构——这不是未来场景，而是每位FDTD用户都应该掌握的基础生产力革命。本文将彻底改变你与Lumerical的交互方式，从手动拖拽的农耕时代，跃迁到自动化建模的工业文明。 ## 1. 为何脚本建模是必然选择 2019年Nature Photonics的一项研究显示，科研工作者在仿真工具上平均浪费37%的时间在重复性操作上。对于需要参数扫描的纳米光学结构设计，这个数字可能更高。手动创建10个不同尺寸的纳米柱阵列意味着： -
recommend-type

Java邮件解析任务中，如何安全高效地提取HTML邮件内容并避免硬编码、资源泄漏和类型转换异常？

<think>我们被要求优化一段Java代码，该代码用于处理邮件（特别是来自特定发件人的构建通知邮件）。代码的主要问题包括： 1. 重复获取邮件内容：在检查MIME类型后，多次调用`msg[i].getContent()`，这可能导致性能问题或流关闭异常。 2. 类型转换问题：直接将邮件内容转换为`Multipart`而不进行类型检查，可能引发`ClassCastException`。 3. 代码结构问题：逻辑嵌套过深，可读性差，且存在重复代码（如插入邮件详情的操作在两个地方都有）。 4. 硬编码和魔法值：例如在解析HTML表格时使用了硬编码的索引（如list3.get(10)），这容易因邮件
recommend-type

RH公司应收账款管理优化策略研究

资源摘要信息:"本文针对RH公司的应收账款管理问题进行了深入研究，并提出了改进策略。文章首先分析了应收账款在企业管理中的重要性，指出其对于提高企业竞争力、扩大销售和充分利用生产能力的作用。然后，以RH公司为例，探讨了公司应收账款管理的现状，并识别出合同管理、客户信用调查等方面的不足。在此基础上，文章提出了一系列改善措施，包括完善信用政策、改进业务流程、加强信用调查和提高账款回收力度。特别强调了建立专门的应收账款回收部门和流程的重要性，并建议在实际应用过程中进行持续优化。同时，文章也意识到企业面临复杂多变的内外部环境，因此提出的策略需要根据具体情况调整和优化。 针对财务管理领域的专业学生和从业者，本文提供了一个关于应收账款管理问题的案例研究，具有实际指导意义。文章还探讨了信用管理和征信体系在应收账款管理中的作用，强调了它们对于提升企业信用风险控制和市场竞争能力的重要性。通过对比国内外企业在应收账款管理上的差异，文章总结了适合中国企业实际环境的应收账款管理方法和策略。" 根据提供的文件内容，以下是详细的知识点： 1. 应收账款管理的重要性：应收账款作为企业的一项重要资产，其有效管理关系到企业的现金流、财务健康以及市场竞争力。不良的应收账款管理会导致资金链断裂、坏账损失增加等问题，严重影响企业的正常运营和长远发展。 2. 应收账款的信用风险：在信用交易日益频繁的商业环境中，企业必须对客户信用进行评估，以便采取合理的信用政策，降低信用风险。 3. 合同管理的薄弱环节：合同是应收账款管理的法律基础，严格的合同管理能够保障企业权益，减少因合同问题导致的应收账款风险。 4. 客户信用调查：了解客户的信用状况对于预测和控制应收账款风险至关重要。企业需要建立有效的客户信用调查机制，识别和筛选信用良好的客户。 5. 应收账款回收策略：企业应建立有效的账款回收机制，包括定期的账款跟进、逾期账款的催收等。同时，建立专门的应收账款回收部门可以提升回收效率。 6. 应收账款管理流程优化：通过改进企业内部管理流程，如简化审批流程、提高工作效率等措施，能够提升应收账款的管理效率。 7. 应收账款管理策略的调整和优化：由于企业的内外部环境复杂多变，因此制定的管理策略需要根据实际情况进行动态调整和持续优化。 8. 信用管理和征信体系的作用：建立和完善企业内部信用管理体系和征信体系，有助于企业更好地控制信用风险，并在市场竞争中占据有利地位。 9. 对比国内外应收账款管理实践：通过研究国内外企业在应收账款管理上的不同做法和经验，可以借鉴先进的管理理念和方法，提升国内企业的应收账款管理水平。 综上所述，本文深入探讨了应收账款管理的多个方面，为RH公司乃至其他同类型企业提供了应收账款管理的改进方向和策略，对于财务管理专业的教育和实践都具有重要的参考价值。
recommend-type

新手别慌！用BingPi-M2开发板带你5分钟搞懂Tina Linux SDK目录结构

# 新手别慌！用BingPi-M2开发板带你5分钟搞懂Tina Linux SDK目录结构 第一次拿到BingPi-M2开发板时，面对Tina Linux SDK里密密麻麻的文件夹，我完全不知道从哪下手。就像走进一个陌生的大仓库，每个货架上都堆满了工具和零件，却找不到操作手册。这种困惑持续了整整两天，直到我意识到——理解目录结构比死记硬背每个文件更重要。 ## 1. 为什么SDK目录结构如此重要 想象你正在组装一台复杂的模型飞机。如果所有零件都混在一个箱子里，你需要花大量时间寻找每个螺丝和面板。但如果有分门别类的隔层，标注着"机身部件"、"电子设备"、"紧固件"，组装效率会成倍提升。Ti