摘要：三篇介绍动态链接库和静态链接库的博文：http://blog.csdn.net/gamecreating/article/details/5504152http://blog.csdn.net/firefoxbug/article/details/7326465http://www.cnblogs.... 阅读全文

摘要：C++中的动态内存管理是通过new和delete两个操作符来完成的。new操作符，为对象分配内存并调用对象所属类的构造函数，返回一个指向该对象的指针。delete调用时，销毁对象，并释放对象所在的内存。但在程序中使用new和delete容易导致很多问题，这里列出三个比较容易犯的错误。我们new了一个... 阅读全文

摘要：#include #include using namespace std;class semaphore{private: mutex mtx; condition_variable cv; int count;public: semaphore(int count_ = ... 阅读全文

摘要：Visual Studio中/MD, /MT, /MDd, /MTd表示多线程模块是否为dll。对于这几个选项我的理解如下：/MD: 定义了_MT和_DLL，让程序用多线程和dll版本的运行库。/MT: 让程序用多线程和静态版本的运行库。/MDd: 定义了_MT、_DLL、_DEBUG，让程序用de... 阅读全文

摘要：1) Dequeue can quickly insert or delete both at the front or the end. However, vector can only quickly insert or delete at the end.2) Memory allocatio... 阅读全文

摘要：1 Local static variablesLocal static variables are not destroyed when the function ends; they are destroyed when the program terminates.2. Function pa... 阅读全文

摘要：1. Headers should not include using declarationCode inside headers ordinarily should not include using declarations. The reason is that the contents o... 阅读全文

摘要：1. Type conversion:If we assign an out-of-range value to an object of unsigned type, the result is the remainder of the value modulo the number of val... 阅读全文

摘要：写一个程序，结果总是不对，check逻辑好几遍也没发现错误，无奈之下debug。发现一个有趣的现象abs(INT_MAX-(-1))返回值是-2147483648。于是看了下abs函数的代码实现。1 int __cdecl abs (2 int number3 )4 ... 阅读全文

摘要：A declaration makes a name known to a programm. A definition creates the assocatied entity. A variable declaration specifies the variable type and nam... 阅读全文

摘要：Initialization happens when a variable is given a value at the moment it is created. Assignment obliterates the variable's current value and replace t... 阅读全文