大约有 44,700 项符合查询结果（耗时：0.1157秒） [XML]
How do I print the type or class of a variable in Swift?
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Why can't I use Docker CMD multiple times to run multiple services?
...more details, I wrote a blog on this subject here: http://blog.trifork.com/2014/03/11/using-supervisor-with-docker-to-manage-processes-supporting-image-inheritance/
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top nav bar blocking top content of the page
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259
Add to your CSS:
body {
padding-top: 65px;
}
From the Bootstrap docs:
The fixed n...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
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172
Objective-C
[[UIApplication sharedApplication] setIdleTimerDisabled:YES];
Swift
UIApplicatio...
Git keeps prompting me for a password
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28 Answers
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
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edited May 2 '13 at 14:23
Mason Wan
11811 silver badge88 bronze badges
answered Sep 9 '08...
How to remove last n characters from every element in the R vector
...("foo_bar","bar_foo","apple","beer")
a = data.frame("data"=char_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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Scala: List[Future] to Future[List] disregarding failed futures
...ence(...) but there's a twist... The list I'm given usually has around 10-20 futures in it, and it's not uncommon for one of those futures to fail (they are making external web service requests). Instead of having to retry all of them in the event that one of them fails, I'd like to be able to get ...
how to override left:0 using CSS or Jquery?
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238
The default value for left is auto, so just set it to that and you will "reset" it.
.elem {
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Easiest way to rename a model using Django/South?
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./manage.py schemamigration yourapp rename_foo_to_bar --empty
(Update 2: try --auto instead of --empty to avoid the warning below. Thanks to @KFB for the tip.)
If you're using an older version of south, you'll need startmigration instead of schemamigration.
Then manually edit the migration f...