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Check if bash variable equals 0 [duplicate]
I have a bash variable depth and I would like to test if it equals 0. In case yes, I want to stop executing of script. So far I have:
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CSS: Set a background color which is 50% of the width of the window
... this on a spare div element:
#background {
position: fixed;
top: 0;
left: 0;
width: 50%;
height: 100%;
background-color: pink;
}
Example: http://jsfiddle.net/PLfLW/1704/
The solution uses an extra fixed div that fills half the screen. Since it's fixed, it will remain in...
GroupBy pandas DataFrame and select most common value
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10 Answers
10
Active
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git: difference between “branchname” and “refs/heads/branchname”
Best to be explained at an example: I am on branch 0.58 of repository and this his how I pull:
3 Answers
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Checking out Git tag leads to “detached HEAD state”
...git project and I just started using tags. I've added a new tag called v2.0 :
2 Answers
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Create boolean column in MySQL with false as default value?
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205
You have to specify 0 (meaning false) or 1 (meaning true) as the default. Here is an example:
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VC 对话框背景颜色、控件颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...框背景颜色：
网上流传有四种方法(可能还不止)，在VC++2008SP1测试后，发现只有三种可以使用了，其中第一种被废弃了。以下是四种方法：
方法一 (失效)：调用CWinApp类的成员函数SetDialogBkColor来实现。
其中函数的第一个...
解决：error while loading shared libraries: libpcre.so.1: cannot open ...
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[root@info lib]# ldd /usr/local/apache2/bin/httpd
libaprutil-0.so.0 => /usr/local/apache2/lib/libaprutil-0.so.0 (0x00242000)
libexpat.so.0 => /usr/lib/libexpat.so.0 (0x00554000)
libapr-0.so.0 => /usr/local/apache2/lib/libapr-0.so.0 (0x007e2000)
librt.so.1 ...
php each与list的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... '<hr />';
/*
返回
Array
(
[1] => 你
[value] => 你
[0] => 0
[key] => 0
)
Array
(
[1] => 若
[value] => 若
[0] => 1
[key] => 1
)
*/
//执行相同的一段代码，从‘你’到‘若’，说明each是会每执行一次，游...
错误：缺少一个项目子类型。 子类型: 此安装不支持“{C089C8C0-30E0-4E22-8...
错误：缺少一个项目子类型。 子类型: 此安装不支持“{C089C8C0-30E0-4E22-80C0-CE093F111A43}” 解决方法：下载安装Microsoft Visual Studio 2012 SDKhttp: www.microsoft.com en-us download confirmation.aspx?id=30668解决方法：下载安装
Microsoft Visual Studio 2012 SDK...