kannju的专栏

BackgroundFirst of all, anyone who does not know how to write a makefile must have missed the first discussion section (in the second week of class), because there was a handout on makefiles and tar.Note: this was written for the g++ compiler. You shou

Using g++Most of this document was taken nearly verbatim from Paul Hilfinger. Any errors introduced, however, are David Wolfe's.IntroductionGNU provides are a publicly-available optimizing compilers (translator) for C, C++, Ada 95, and Objective

在Linux环境下，如果直接使用VI/VIM命令编辑没有修改权限的文件时，保存的时候就会提示用户无法进行保存操作，一般的解决方法只能是关闭文件重新以sudo权限打开该文件编辑后再保存（前提是用户具有sudo权限）。其实，在VI/VIM模式下通过一些简单的命令，就能在不关闭当前文件的情况下达到保存文件的目的（感谢晓哲老师提供的方法）：输入命令:%! sudo tee % > /dev/nul