树和XML操作

大家共享好东西， 尤其是学C++的出血者(share good things, especially learning C bleeding)

蜂鸣器奏乐刘德华《练习》，根据不同的单片机可以调整延时。8952单片机不能执行程序，但将数组的xdata改为code可以演奏一小段。需要高级一点的单片机。在不同的开发板上运行的效果有差异。(Buzzer music to Andy, " practicing" , depending on the chip can be adjusted delay. 8952 microcontroller can execute the program, but will be replaced by code xdata array can play short. Require senior point microcontrollers. The development board running at different effects are different.)

const 声明将常量放入符号表中，当const使用了extern或&符号，编译分配存储空间(The const declaration places constants in the symbol table, and when const uses extern or symbol, compiles and allocates storage space)

说明：  oled-iic通信通用代码，只需改.h里的修改部分即可使用。(The general code of oled-iic communication can be used only by modifying the modified part in. H.)

v根号v和GV还比较比较 

说明：  IT6801官方驱动，单片机控制，完整功能控制，可移植LINUX。(IT6801 official driver, SCM control, complete function control, portable LINUX.)

说明：  hdu 2529,第2529题的结题报告 (answer for acm on hdu acm)

COMS SENSOR OV2710规格书,相机专业资料(ov2710 sensor spec)

《MATLAB统计分析与应用：40个案例分析》程序与数据(" MATLAB statistical analysis and applications: 40 Case Studies" program and data)

基于android平台的手机通讯录的设计(Design of Mobile Address Book Based on Android)