大约有 35,463 项符合查询结果（耗时：0.0502秒） [XML]
PHP foreach change original array values
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270
In PHP, passing by reference (&) is ... controversial. I recommend not using it unless you k...
Eager load polymorphic
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209
My guess is that your models look like this:
class User < ActiveRecord::Base
has_many :re...
Force overwrite of local file with what's in origin repo?
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answered Oct 16 '10 at 16:52
AmberAmber
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What is the difference between exit() and abort()?
... objects though. So
A a;
void test() {
static A b;
A c;
exit(0);
}
Will destruct a and b properly, but will not call destructors of c. abort() wouldn't call destructors of neither objects. As this is unfortunate, the C++ Standard describes an alternative mechanism which ensures prope...
Mapping composite keys using EF code first
...ld need to do in your code:
public class MyTable
{
[Key, Column(Order = 0)]
public string SomeId { get; set; }
[Key, Column(Order = 1)]
public int OtherId { get; set; }
}
You can also look at this SO question. If you want official documentation, I would recommend looking at the official ...
MySQL: Sort GROUP_CONCAT values
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390
Sure, see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat:
SELECT student_n...
How to comment in Vim's config files: “.vimrc”?
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kmario23
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answered Jan 9 '10 at 7:57
MylesMyles
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How to get a specific “commit” of a gem from github?
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edited Apr 20 '18 at 21:30
jeffmcc
23922 silver badges99 bronze badges
answered May 25 '11...
Regexp Java for password validation
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Try this:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
^ # start-of-string
(?=.*[0-9]) # a digit must occur at least once
(?=.*[a-z]) # a lower case letter must occur at leas...
How to make pipes work with Runtime.exec()?
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answered May 8 '11 at 15:20
KajKaj
10.4k11 gold badge2929 silver badges2727 bronze badges
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