大约有 36,000 项符合查询结果（耗时：0.0470秒） [XML]
What is a “callback” in C and how are they implemented?
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207
There is no "callback" in C - not more than any other generic programming concept.
They're imp...
Why does the MongoDB Java driver use a random number generator in a conditional?
...hat this piece of code amounts to
if (!_ok && Math.random() <= 0.1)
return res;
The commit that originally introduced this logic had
if (_ok == true) {
_logger.log( Level.WARNING , "Server seen down: " + _addr, e );
} else if (Math.random() < 0.1) {
_logger.log( Level.WARNING ...
Access “this” from Java anonymous class
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answered Jul 5 '09 at 14:07
Mykola GolubyevMykola Golubyev
50k1414 gold badges7979 silver badges100100 bronze badges
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Can't find how to use HttpContent
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edited Feb 22 '17 at 15:40
answered Jun 29 '14 at 9:11
You...
How to run Maven from another directory (without cd to project dir)?
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edited Sep 5 at 0:40
Aaron
6,28022 gold badges1818 silver badges3535 bronze badges
answered Ju...
Why is $$ returning the same id as the parent process?
...h 4, you can get the process ID of the child with BASHPID.
~ $ echo $$
17601
~ $ ( echo $$; echo $BASHPID )
17601
17634
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Batch files - number of command line arguments
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105
Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Se...
Case insensitive Query with Spring CrudRepository
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201
Exactly as @Peter mentioned in the comment, just add IgnoreCase:
public interface DeviceTypeRe...
Android: alternate layout xml for landscape mode
...amp-landscape-differeent-layouts and http://www.devx.com/wireless/Article/40792/1954 for some more options.
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JavaScript moving element in the DOM
...$('div').eq(2));
$('div').eq(1).insertBefore('div:first');
}, 3000 );
});
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