finish

什么是makefile？或许很多Winodws的程序员都不知道这个东西，因为那些Windows的IDE都为你做了这个工作，但我觉得要作一个好的和professional的程序员，makefile还是要懂。这就好像现在有这么多的HTML的编辑器，但如果你想成为一个专业人士，你还是要了解HTML的标识的含义。特别在Unix下的软件编译，你就不能不自己写makefile了，会不会写makefile，从一个侧面说明了一个人是否具备完成大型工程的能力。 (makefile)

对一段只含有几种字符的字符串进行转换，转换成相应的数字(a string contains only several character conversion, and converted into the corresponding digital )

可用于任意场景中识别LED灯光，颜色可调(LED light bar recognition)

说明：  哈尔滨工业大学,visual basic,编程课件，第1章(Harbin University of Technology, Visual Basic, Programming Courseware, Chapter 1)

vb操作EXCEL，可打开EXCEL文件，添加、删除记录(vb operation EXCEL, can open the EXCEL file, add, delete, records)

西门子仿真编程软件S7-PLCSIM V5.4，用于S7-300/400系列PLC程序的仿真(S7-PLCSIM V5.4 offers the following new features with this release: DP, Industrial Ethernet and PC Internal connection types supported in addition to MPI Formerly, S7-PLCSIM used a default connection of MPI, address 2. With S7-PLCSIM V5.4, you can browse STEP 7 projects and select a networked node for establishing a simulation connection. S7-PLCSIM simulates the CPU of the selected node, all nodes that belong to that CPU, and the subnet of the selected node. Increased number of blocks supported for simulation S7-PLCSIM supports a set of OBs, SFBs, and SFCs as described in the electronic manual and online help. Of these, some are NOPs that is, they do not perform any operation. With S7-PLCSIM V5.4, the number of blocks that are not NOPs has increased.)

通讯录中的每一个信息包括姓名（规定字节数为15个）、电话（规定字节数为15个）和工作单位（最大字节数为30个）等信息。(Each information including the name of the mail list ( specified byte number 15 ), phone ( specified byte number 15 ) and work units ( the maximum number of bytes to 30 ) and other information.)

VB仿Windows可显示行号的记事本程序,有需要的下。(VB notepad application in imitation of a Windows to display line Numbers, in need.)

本文件夹提供了扫雷游戏、俄罗斯方块等游戏的源码(this is a good source code)

VB编程实现改变系统日期格式,有需要的就下载吧。(VB Programming to change the system date format, there is a need to download it.)