Iterator definitions An iterator is any object that, pointing to some element in a range of elements (such as an array or a container), has the ability to iterate through the elements of that range using a set of operators (with at least the incremen…
前天偶然看到谷歌开源项目中有一个近乎无人问津的项目Google Preview Image Extractor(PIEX) . 项目地址: https://github.com/google/piex 官方的描述是这样的: The Preview Image Extractor (PIEX) is designed to find and extract the largest JPEG compressed preview image contained in a RAW file. 也就是说…
c++中ifstream一次读取整个文件 读取至char*的情况 std::ifstream t; int length; t.open("file.txt"); // open input file t.seekg(0, std::ios::end); // go to the end length = t.tellg(); // report location (this is the length) t.seekg(0, std::ios::beg); // go back to…