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Do I need to manually close an ifstream?
...end of a function you can always use a nested scope.
In the standard (27.8.1.5 Class template basic_ifstream), ifstream is to be implemented with a basic_filebuf member holding the actual file handle. It is held as a member so that when an ifstream object destructs, it also calls the destructor on ...
Return 0 if field is null in MySQL
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Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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What is the use of GO in SQL Server Management Studio & Transact SQL?
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It is a batch terminator, you can however change it to whatever you want
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how to change namespace of entire project?
...pplication from this article: http://msdn.microsoft.com/en-us/magazine/dd419663.aspx
10 Answers
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micro:bit 微控制器教程 · App Inventor 2 中文网
...signer 页面设置
积木编程
步骤1：蓝牙初始化
步骤2：设备选择
步骤3：读取温度传感器
步骤4：发送控制指令
micro:bit 端设置
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Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop
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Revert changes to a file in a commit
...est way I've seen of doing this is described here
git show some_commit_sha1 -- some_file.c | git apply -R
Similar to VonC's response but using git show and git apply.
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Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
...ly bad answers - offer garbage solutions compared to this.
Update: As Of 1/8/2020 not all other solutions are garbage - Windows Terminal is getting there and WSL exists.
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GROUP_CONCAT comma separator - MySQL
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answered Oct 7 '11 at 19:17
Joe StefanelliJoe Stefanelli
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Change how fast “title” attribute's tooltip appears
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edited Dec 11 '15 at 22:08
Charles Watson
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