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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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edited Dec 22 '14 at 22:36
answered Jan 19 '12 at 2:16
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jQuery: Best practice to populate drop down?
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edited Dec 2 '17 at 19:40
João Pimentel Ferreira
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How to redirect output of an entire shell script within the script itself?
... redirection...
{
#...part of script with redirection...
} > file1 2>file2 # ...and others as appropriate...
#...residue of script without redirection...
The braces '{ ... }' provide a unit of I/O redirection. The braces must appear where a command could appear - simplistically, at th...
How to use jQuery in chrome extension?
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128
You have to add your jquery script to your chrome-extension project and to the background secti...
创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...难题！
我们技术团队人员是这样的配置：1名技术总监、2名资深开发工程师、1名高级开发工程师、2名潜力开发工程师、1名前端开发、1名测试。技术总监需要处理很多团队管理、客户管理的工作，能够参与项目的时间最多每天...
How to compare type of an object in Python?
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246
isinstance()
In your case, isinstance("this is a string", str) will return True.
You may al...
When is each sorting algorithm used? [closed]
...e than worst case performance. A quick sort is O(N log N) on average, O(N^2) in the worst case. A good implementation uses O(log N) auxiliary storage in the form of stack space for recursion.
Merge sort: When you need a stable, O(N log N) sort, this is about your only option. The only downsides...
How to Rotate a UIImage 90 degrees?
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edited May 19 '16 at 9:42
user2742371
answered Aug 22 '09 at 22:20
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#pragma pack effect
...piler could choose to lay the struct out in memory like this:
| 1 | 2 | 3 | 4 |
| AA(1) | pad.................. |
| BB(1) | BB(2) | BB(3) | BB(4) |
| CC(1) | pad.................. |
and sizeof(Test) would be 4 × 3 = 12, even though it only contains 6 bytes of data. The most ...