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std::string截取字符串，截取ip:port - c++1y / stl - 清泛IT社区，为创新赋能！
std::string ip("127.0.0.1:8888");
int index = ip.find_last_of(':');
// 获取ip
ip.substr(0, index).c_str();
// 获取port
ip.substr(index + 1).c_str();
warning C4996 - c++1y / stl - 清泛IT社区，为创新赋能！
warning C4996: '_vsnprintf': This function or variable may be unsafe. ......warning C4996: strcpy was declared deprecated出现这样的警告，是因为VC2005之后的版本中认为CRT中的一组函数如果使用不当，可能会产生诸如内存泄露、缓冲区溢出、非法访问等安...
error C2275: “size_t”: 将此类型用作表达式非法 - c++1y / stl - 清泛IT...
这个错误是由于C的编译器要求将变量的申明放在一个函数块的头部，而c++没有这样的要求造成的。
解决的办法就是把变量的声明全部放在变量的生存块的开始。
注：VS2013（最新补丁SP4及以上）编译器可以支持此类C语法，...
SQL Server Configuration Manager not found
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Integrating MySQL with Python in Windows
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16 Answers
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How does C compute sin() and other math functions?
I've been poring through .NET disassemblies and the GCC source code, but can't seem to find anywhere the actual implementation of sin() and other math functions... they always seem to be referencing something else.
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How add context menu item to Windows Explorer for folders [closed]
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Flags to enable thorough and verbose g++ warnings
Often in C under gcc , I will start with the following set of warning flags (painfully assembled from multiple sources):
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Unnecessary curly braces in C++?
When doing a code review for a colleague today I saw a peculiar thing. He had surrounded his new code with curly braces like this:
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Resolve absolute path from relative path and/or file name
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