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c++ Programming Glossary: destCopy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way buf BUFSIZ size_t size FILE source fopen from.ogv rb FILE dest fopen to.ogv wb clean and more secure feof FILE stream returns.. set while size fread buf 1 BUFSIZ source fwrite buf 1 size dest fclose source fclose dest end clock cout CLOCKS_PER_SEC CLOCKS_PER_SEC.. BUFSIZ source fwrite buf 1 size dest fclose source fclose dest end clock cout CLOCKS_PER_SEC CLOCKS_PER_SEC n cout CPU TIME..
how to convert an opencv cv::Mat to qimage http://stackoverflow.com/questions/5026965/how-to-convert-an-opencv-cvmat-to-qimage as it gets. QImage Mat2QImage const cv Mat3b src QImage dest src.cols src.rows QImage Format_ARGB32 for int y 0 y src.rows.. int y 0 y src.rows y const cv Vec3b srcrow src y QRgb destrow QRgb dest.scanLine y for int x 0 x src.cols x destrow x.. src.rows y const cv Vec3b srcrow src y QRgb destrow QRgb dest.scanLine y for int x 0 x src.cols x destrow x qRgba srcrow..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti stack such that when those variables go out of scope the destructors will automatically be called causing the resources to.. a peek under the hood see GOTW8 . C guarantees that the destructor is called if and only if the constructor succeeded. Relying.. are a few examples beyond the my local variables will be destroyed whenever I return . Let us start with an overly simplistic..
Remove spaces from std::string in C++ http://stackoverflow.com/questions/83439/remove-spaces-from-stdstring-in-c typename T typename P T remove_if T beg T end P pred T dest beg for T itr beg itr end itr if pred itr dest itr return dest..
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