博文
- install wxWidgets 2.94 on ubuntu 12.04 LTS
- We need install OpenGL sudo apt-get install freeglut3-dev
- A full example usage for tbb::blocked_range2d with comments
- #include iostream #include opencv2/opencv.hpp #include tbb/tbb.h using namespace std; using namespace cv; using namespace tbb; const size_t L = 150; const size_t M = 225; const size_t N = 300; class MatrixMultiplyBody2D { const float (*my_a) ; const float ...
- Understanding Lambda-Capture （理解lamda捕获含义）
- Symbol Indicates Capture as specified: identifiers prefixed by are captured by reference; other identifiers are captured by copy. An up-level reference to any variable not explicitly listed is an error Capture by reference: an up-level reference implicitly capt ...
- 不能将参数 1 从“const char *”转换为“LPCWSTR“的解决办法
- Configuration: Change the character set: form useUnicode character setto use multibyte character set.
- generate mutiple vc++ static library pdb files
- 1.c/c++$\dashrightarrow$output file$\dashrightarrow$program database filename $\dashrightarrow$:\$(ProjectName).pdb. this configuration can generates pdb file with same filename as lib file. 2.usage: just copy \$(ProjectName).pdb and \$(ProjectName).lib to lib file. 3:Caution: The lib project an ...
- program slice for CPU byte order judgement
- struct { char low:4; char high:4; }val; char vbyte; val.low = 0x1; val.high =0x2; vbyte = *(char *)val; if(vbyte ==0x12) cout "big endian" endl; if(vbyte ==0x21) cout "small endian" endl;
- vc++ version wait(int nsecond)
- #include time.h void wait(int nsecond) { clock_t endwait; endwait = clock () +nsecond* CLOCKS_PER_SEC ; while (clock() endwait) {} }
- A template converting number type to string in C++
- // usage: // string str = toStringdouble (10.0); templatetypename T std::string toString(const T inType) { std::stringstream retStr; retStr inType; return retStr.str(); }
