lingqinghua...

stringstream/cout will take uint8/sint8 as the primitive type: char, so its value will map to ASCII, for examplecout stringstream ss;ss cout

"read" (accessedusing only const operations) simultaneously by multiple threads:  OK"written to" (accessed using mutable operations such asoperator=or reset) simultaneosly by multiple threads:  OK

GMock对Mock对象设置期望后，并把改对象传给被测代码。EXPECT_CALL(mock_object, method(matcher1, matcher2, ...))    .With(multi_argument_matcher)      .Times(cardinality)                .InSequence(sequences)

快速跳到最后一行 shift+g快速跳到指定行   行数+shift+g显示行数 :set nu选中连续的多行 起始行行数shift+gv结束行行数shift+gvi 中设置自动缩进 :set autoindent:set ai    取消:set noautoindent:set noai大小写转换 normal mode:gU+动

variadic macros 可变参数宏 __VA_ARGS__ 在字符串中还可用  "... #__VA_ARGS__ ..." #define eprintf(...) fprintf (stderr, __VA_ARGS__)#define eprintf(format, ...) fprintf (stderr, format, ##__VA_ARGS__)其他宏

Template non-type argumentsSuch arguments must be constant expressions, addresses of functions or objects with external linkage, or addresses of static class members. Non-type template arguments a

template class A{  protected:     int _m;  public:     int getM() { return _m; }     void setM(int m) { _m = m; }};template class B: public A{  public:     int getMM() { re