EMS Advanced Query Builder version 3.11

c语言做的一个小程序，猜拳游戏，请大家交流学习-c language to a small program, finger-guessing game, please share their knowledge and

基本图形的绘制的C程序-basic graphics rendering the C program

VB如何创建弹出式菜单的例子，通过这个例子你可快速上手制作Vb窗体设计中的弹出式菜单。也可称之是“右键菜单”吧，因为这种菜单是在窗口中单击鼠标右键后弹出的，很多软件使用过程中，都有类似的菜单效果。

这是一个用vb＋SQL Server数据库编写的样品检验代码。包括样品的购买库存以及检验的各项程序，是一个很好的vb数据库参考代码(with vb+ SQL Server database prepared by the test sample code. The samples include the purchase of inventory and inspection procedures, is a good reference source database vb)

NXP lpc1788开发板例程,亲自测试，时OK的(nxp 1788 gpio,it is successful!)

说明：  包含叠前逆时偏移程序和几篇逆时偏移论文；地震子波的正演与反演(Includes the prestack inverse time migration program and several inverse time migration papers; Forward modeling and inversion of seismic wavelet)

图文左右切换效果，左右两个卡通版箭头，点击后图片可以左右切换(Left and right switching effect, left and right two cartoon arrows, click on the picture can switch left and right)

包含按键扫描，字符处理到数学运算、功能函数等从初级到深入的各类源程序。- Contains the pressed key scanning, the character processes primarily to mathematics operation, the function function and so on from to the thorough each kind of source program.

简易实现图片验证功能，如需复杂验证，请记录鼠标拖动轨迹，后端实现分析，具体有兴趣的朋友可以试试。(Simple implementation of image verification function, if complex verification is required, please record the mouse drag track, back-end analysis, specific interested friends can try.)

说明：  研究生高等教育教材 矩阵论 程云鹏版课后答案。(On the matrix of postgraduate teaching materials after class answers of Cheng Yunpeng edition.)