GUI版简易QQ聊天室

利用ffmpeg制作一个简单的播放器；one step by step(how to make a simple player using ffmpeg; here are one simple example;)

超级账本fabric的浏览器源码，具有一定参考价值。(Hyperledger fabric browser source code.Have a certain reference value)

微信小程序，简称小程序，英文名Mini Program，是一种不需要下载安装即可使用的应用，它实现了应用“触手可及”的梦想，用户扫一扫或搜一下即可打开应用。(Weixin applet, short for "applet", is an application that can be used without downloading and installing. It realizes the dream of "accessible" application. Users can open the application by sweeping or searching.)

说明：  利用2重hankel矩阵 变换恢复出全零行的数据，解决阵元受损的情况或对阵元进行降采样(Using the 2-fold Hankel matrix transformation to recover the data of all zero rows, to solve the damage of array elements or to reduce the sampling of array elements)

一个介绍BOIS的文章。很好的东西。里面的东西很实用。我感觉。-a briefing BOIS article. Good things. And the things practical. I feel.

说明：  A low pass filter module based on FPGA, easy to transplant

System will automatically delete the directory of debug and release, so please do not put files on these two directory

说明：  这是真实的轴承在定转速状况下的振动信号，可用作分析数据(This is the real vibration signal of bearing under the condition of constant speed, which can be used as analysis data)

说明：  心音记录的分类-2016年心脏病学挑战赛PhysioNet计算(Classification of heart sound records - 2016 cardiology challenge PhysioNet calculation)

别采用La酽蚰ge网格和SPH(SmoothedPalticleHyd功dyn啪ics，光滑粒子流体动力学法)模拟鸟体 进行风挡抗鸟撞性能对比分析，表明SPH分析得出的结果与传统的h鲫ge网格方法得出的结果以及试验实测 结果基本一致，为分析动力学大变形问题提供了更多的途径。(The results are basically consistent, which provides more ways for the analysis of dynamic large deformation problems.)