级联动下拉框

图书信息存放在文件中，提供文件的输入、输出等操作；要实现浏览功能；查询和排序功能要求实现查找操作（至少两种依据）；还应该提供图书信息删除和修改的功能；另外还应该提供键盘式选择菜单以实现功能选择。

这是一个c#语言编写的猜数字游戏，他能智能提示用户输入数的大小，类似幸运52一样-This is a digit guessing small game written in c#, smart reminder of user-input s digit, similiar with lucky 52

说明：  有关于java开发面试的一些问答，希望会有用(something questions&answers about java interview)

实现单片机的无线通信，和e50无线串口的使用。(The wireless communication of MCU and the use of E50 wireless serial port are realized.)

控制台小游戏,角类,玩家和NPC共用的类,主要有两个函数,一个是初始化,一个是升级-Game console, corner type, the player and NPC share class has two main functions, one is initialized, one is to upgrade

当司机在一个地方没有油时，它应该在去那个地方去加油，走那条路为够更好的为他（她）服务，这条路又会经过那些地方， 系统会生成一个解决方案为司机提供一个选择的机会。-when the driver in a place without oil, it should go to those places to refuel and which way to go to better enough for him (her), this road will go through, system will generate a solution for the drivers an opportunity to choose.

杀伤神山圣湖是不是你遂宁市安顺市人事厅好事办实电脑。-shashsshdjhtuytjndhgwhtuytjm,fierwhsbsdbsnn

操作系统课程设计，关于操作系统经典问题读者写者问题的演示!-courses on operating system design, operating system classic problem of the readers who write the demo!

TDC官方例程，基于stm32，有各种手册资料，有源码(Official TDC routine)

说明：  python编程练习题100例 有题有答案，用于练习编程还是不错的。(Give it to Python's initial programming exercises.)