windwos 系统中git clone 下来文件名乱码原因 github上的文件名原来的编码就utf-8编码 git clone 下来的uft-8编码被转为gb18030编码，因为中文

shell查找文件中包含中文的行 awk '/[^!-~]/' file asscii码从!到~中包含所有的大小写字母，和英文符号 cat file | grep "[^\u4e00-\u9fa5]"

vim中自动格式化代码 在vim中其实也有像Eclipse中的ctrl + shift +F 的自动格式化代码的操作，尽管非常强大，但是通常会破坏代码的原有的缩

IDEA中GIt克隆时报： Server does not allow request for unadvertised object //工程针对子模块最近提交的改动ID 误操作后工程最近改动为： -Subproject commit //工程针对子模块上次提交的改动I

写完代码后，我们一般这样 git add . //添加所有文件 git commit -m "本功能全部完成" 撤回commit 执行完commit后，想撤回commi

vim 搜索光标下文字 / substitute 操作同样 Or you can simply yank the selected text with y and go to search mode /, then you can paste the last yanked text with Ctrl+R 0 select text, v and move yank, y goto search mode, / paste the last yanked text, Ctrl + R, 0 Enter

Complete Sed Command Guide [Explained with Practical Examples] In a previous article, I showed the basic usage of Sed, the stream editor, on a practical use case. Today, be prepared to gain more insight about Sed as we will take an in-depth tour of the sed execution model. This will be also an opportunity to make an exhaustive review of all Sed commands and to dive into their details and subtleties.