VideoPlayer_7(FFMPEG Qt视频播放器之BUG修复)

说明：  基于粒子群算法的电力系统经济调度，程序可运行。(Power system economic scheduling based on particle swarm optimization algorithm, the program can run.)

红外循迹小车，通过红外线感光使小车沿着固定的黑色轨道前行-Infrared tracking car, through the infrared light-sensitive so that a black car along a fixed track forward

说明：  斐讯因为停止服务了 致使斐讯r1音箱不能升级 使用这个软件就可以把斐讯r1音箱升级成最新版本3448，这个版本的音质有了很大的提升(Because the service of fisun stopped, fisun R1 speaker could not be upgraded. With this software, fisun R1 speaker can be upgraded to the latest version 3448. The sound quality of this version has been greatly improved)

使窗口的图标动起来 窗口的图标有"动"的效果，在任务的按钮中同样有"动"的效果。这样就为程序平添了一些生趣，从而更加引起用户的注意力。 -Moving up to the window" s icon window icons of " action" effect, in the same buttons in the task of " action" effect. Thus adding to a number of apathy for the program, thereby causing the user" s attention more.

收音机控制程序，主要完成频率的读取，lcd的显示控制（运行环境ADS）-Radio control program, mainly to complete the reading frequency, lcd display control (operating environment ADS)

ansys壳单元分析箱梁的命令流，可修改箱梁参数(ansys shell command stream analysis of box girder, box girder parameters can be modified)

C语言链表实现的huffman编码，有文本菜单，功能齐全，可以添加删除节点-C language Chain achieve Huffman coding, a text menu, complete functions, delete nodes can be added

本书是《算法艺术与信息学竞赛》的学习指导。所谓学习指导，是告诉读者学什 么，如何学。算法包罗万象，很难在一本书中的篇幅覆盖很多内容的通知对每个知识 点进行细致讲解，因此本书更多的是作为一本导引、工具书、手册或者学习大纲，给 读者以宏观上的学习指导(This book is a study guide for the Competition of Algorithmic Arts and Informatics. The so-called learning guidance is to tell readers what to learn and how to learn. Algorithms are all-inclusive, and it is difficult to explain each knowledge point in detail with a notice covering a lot of content in a book. Therefore, this book is more used as a guide, a reference book, a handbook or a learning outline to give readers macro-learning guidance.)

英雄就美 一个很有趣的微型RPG 使用c语言实现的-hero on America a very interesting micro-RPG use the C Language

how to use regular expressions