非常好用的字符串转长整型号的函数，无关操作系统和平台-Very easy to use string to long integer type of function, independent of operating systems and platforms

STL的官方文档，STL的最权威的解释！C++学习必备利器，可以极高的提高编程效率-The resample software package contains free sampling-rate conversion and filter design utilities written in C, including a stand-alone command-line sampling-rate conversion utility called resample. The packag