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Qt5自带的modbusTCP类实现的TCP modbus通信，程序包含客户端和服务器，开发环境为ubuntu16.04+Qt5.6.1，如打不开服务器，请将编译出的程序用sudo运行。(Qt5 comes with the modbusTCP class to achieve the Modbus TCP communication, the program contains the client and server, the development environment for ubuntu16.04+Qt5.6.1, such as the server does not open, please compile the program run with sudo.)

qt 创建与删除文件的源码， 很适合qt的初学者(qt source code to create and delete files, it is suitable for beginners qt)

将txt导入到程序中，程序以txt文件中两列数据的第一列为横坐标，第二列为纵坐标生成对应的曲线，利用QCustomplot绘制；同时右端窗口可导入GIF图并实现播放和暂停。

地震勘探中，有限差分正演方法的简单一维数值模拟(Seismic exploration, forward finite difference method is simple one-dimensional numerical simulation)

自己写的稀疏矩阵类，包括存储、访问以及基本的数学运算，希望大家批评指正！(Sparse matrix classes, including storage, access, and basic mathematical operations, we hope to criticism!)

使用Qt-vs2010-addin插件开发，实现一个地址簿。对学习基本的QT编程来说是个不错的参考。(Use Qt-vs2010-addin plug-in development to achieve an address book. QT for learning basic programming is a good reference.)

faiestprj rwar sawert aseee

说明：  用qt+opencv实现的基于深度学习的图像识别。(Image recognition based on depth learning using QT + opencv.)

通过计算一批整数的阶乘来测试电脑的运行速度。(Test running speed of a computer by calculating a power of some int numbers. And the program is writen with QT.)

测试HTTP 以及FTP 的连通性。qt 4.8.5 测试通过。(Test HTTP and FTP connectivity.)