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What underlies this JavaScript idiom: var self = this?
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10 Answers
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Python subprocess/Popen with a modified environment
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answered Dec 15 '10 at 18:28
Daniel BurkeDaniel Burke
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Quick easy way to migrate SQLite3 to MySQL? [closed]
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110
Everyone seems to starts off with a few greps and perl expressions and you sorta kinda get some...
What is lexical scope?
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void dummy1()
{
int x = 5;
fun();
}
void dummy2()
{
int x = 10;
fun();
}
Here fun can either access x in dummy1 or dummy2, or any x in any function that call fun with x declared in it.
dummy1();
will print 5,
dummy2();
will print 10.
The first one is called static becaus...
warning about too many open figures
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/data/user/0/xxxx/files（内部存储）和 /storage/emulated/0/Android/data...
...ir(null); // /storage/emulated/0/Android/data/xxxx/files特点：
Android 10（API 29）及以下：需要 WRITE_EXTERNAL_STORAGE 权限（仅当访问非私有目录时才需要读权限）。Android 11（API 30）+：访问自己的私有目录无需权限，但访问其他应用的外部私有...
Getting time elapsed in Objective-C
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10
Relying on [NSDate date] could lead to difficult to track bugs, see this answer for more info.
– Senseful
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WPF: Grid with column/row margin/padding?
... is easy and practical
– aggsol
Sep 10 '19 at 8:19
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Message 'src refspec master does not match any' when pushing commits in Git
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answered Nov 15 '10 at 11:24
Vi.Vi.
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