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Delete all lines beginning with a # from a file
All of the lines with comments in a file begin with # . How can I delete all of the lines (and only those lines) which begin with # ? Other lines containing # , but not at the beginning of the line should be ignored.
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MySQL/Amazon RDS error: “you do not have SUPER privileges…”
I'm attempting to copy my mysql database from an Amazon EC2 to an RDS:
7 Answers
7
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print call stack in C or C++
Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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How to check if a query string value is present via JavaScript?
How can I check if the query string contains a q= in it using JavaScript or jQuery?
10 Answers
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Move window between tmux clients
I'm just learning tmux and I have no experience with screen. I'm wondering if I can move a window in one tmux client to another tmux client. I want to move my IRC client to a new window on my screen.
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
创建 Apps 首页 关于我们 关于我们 发布日志 服务条款 教育 中文教程 中文社区 反馈 我要反馈 var _hmt = _hmt || []; (function() ...
How to try convert a string to a Guid [duplicate]
I did not find the TryParse method for the Guid. I’m wondering how others handle converting a guid in string format into a guid type.
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How to test if string exists in file with Bash?
I have a file that contains directory names:
13 Answers
13
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PHP Get Site URL Protocol - http vs https
I've written a little function to establish the current site url protocol but I don't have SSL and don't know how to test if it works under https. Can you tell me if this is correct?
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