C++学习记录

1. 创建新项目
   https://www.cnblogs.com/cff2121/p/12111797.html
   https://blog.csdn.net/luoweifu/article/details/48692267
   https://blog.csdn.net/luoweifu/article/details/48816605

2. #pragma once 对比 #ifndef
   https://www.cnblogs.com/qiang-upc/p/11407364.html

3. extern申明变量，只有变量位于函数外部时才可以初始化
   https://blog.csdn.net/wohu1104/article/details/108019653

4. 类模板 template
   https://blog.csdn.net/AUTO1993/article/details/78649473

5. C/C++编程语言中char** a和char* a[]介绍
   https://blog.csdn.net/liitdar/article/details/80972088

6. 继承
   https://www.runoob.com/cplusplus/cpp-class-access-modifiers.html

7. 构造函数
   https://www.cnblogs.com/mengwang024/p/4292276.html

8. 赋值运算符重载函数
   https://blog.csdn.net/liitdar/article/details/80656156
   https://blog.csdn.net/liitdar/article/details/80654324

9. Vs中包含目录、库目录、附加包含目录、附加库目录、附加依赖项之详解
   https://www.cnblogs.com/jadeshu/articles/10663622.html

10. 正则表达式
    https://www.cnblogs.com/jerrywossion/p/10086051.html
    https://www.liaoxuefeng.com/wiki/1016959663602400/1017639890281664
    http://docs.manew.com/cpp/3805.html
    https://www.runoob.com/regexp/regexp-syntax.html