Write css codes distinct from different pages
In rails, there is normally a view corresponding to an action. So if you want to do some special styles based on different pages, you can...
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Failed to stop or restart Nginx server through serevice command
Many people are accustomed to start a Nginx web server through init scripts and then they can control the state of the server through ser...
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export/import datas to/from a csv file
今天需要给客户的网站做支持产品数据导出并且更新的功能，所以就涉及到了数据的导入导出了。在经过一番对比之下，果断使用csv格式文件作为数据导入导出的载体。
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Rails HTTP Status Code to Symbol Mapping
Sometimes you might need to set the HTTP response head with different status to specify the different handled results. You can do this in...
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Delete multiple git remote branches by prefixing all refs with a colon
This article shows how to delete multiple remote branches in Git.
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