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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
How to wait in a bash script for several subprocesses spawned from that script to finish and return exit code !=0 when any of the subprocesses ends with code !=0 ?
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How to make MySQL handle UTF-8 properly
...d to the UTF-8 encoding described above."
– Aaron McDaid
Sep 30 '13 at 9:32
7
MySQL has never had...
In MySQL, can I copy one row to insert into the same table?
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If it's null, it get automatically assigned the next AI number when it's inserted.
– Grim...
Dec 11 '13 at 11:08
3
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How can I reverse a NSArray in Objective-C?
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For obtaining a reversed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator.
For reversing a mutable array, you can add the following category to your code:
@implementation NSMutableArray (Reverse)
- ...
Redefine tab as 4 spaces
...ated by pressing the tab key, which would result in the file literally containing (up to) 4 space characters for each "tab" you type?
Depending on your answer, one of the following sets of
settings should work for you:
For tab characters that appear 4-spaces-wide:
set tabstop=4
If you're using...
What does %~dp0 mean, and how does it work?
... - expands %I to a file extension only
%~sI - expanded path contains short names only
%~aI - expands %I to file attributes of file
%~tI - expands %I to date/time of file
%~zI - expands %I to size of file
%~$PATH:I - searches the directories listed in the PATH
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Hidden features of Python [closed]
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Chaining comparison operators:
>>> x = 5
>>> 1 < x < 10
True
>>> 10 < x < 20
False
>>> x < 10 < x*10 < 100
True
>>> 10 > x <= 9
True
>>> 5 == x ...
请停下来重新想下 你究竟为何创业？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...ker News，想知道下下下一版Javascript框架长什么样子，我要怎么借此优化产品的注册入口。
我当初还十分拥护每周强制工作40个小时的规定，因为每周过后，我都觉得爽歪歪了。我不会经常觉得自己欠谁的，不像之前每周只工作2...
CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术
... >
<!--[if IE 8]>IE8的辨别色是蓝色，新版IE8的功能可是不少呢。<![endif]-->
<!--[if IE 7]>IE7的辨别色是紫色，IE7还可以凑合着用！<![endif]-->
<!--[if IE 6]>IE6的辨别色是红色，不过，IE6可是有点落后了！<![endif]-->
</div>
</body>
</html>
CS...
Expanding tuples into arguments
...ted May 27 at 13:31
Nicolas Gervais
13.3k77 gold badges3434 silver badges5656 bronze badges
answered Jan 3 '10 at 2:24
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