大约有 36,000 项符合查询结果(耗时:0.0481秒) [XML]

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What is a “callback” in C and how are they implemented?

... 207 There is no "callback" in C - not more than any other generic programming concept. They're imp...
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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 ...
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How can we programmatically detect which iOS version is device running on? [duplicate]

I want to check if the user is running the app on iOS less than 5.0 and display a label in the app. 10 Answers ...
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how to view the contents of a .pem certificate

... answered Mar 18 '12 at 13:00 DronaDrona 5,72711 gold badge2525 silver badges3434 bronze badges ...
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Newline in JLabel

... Nathan 5,59066 gold badges3939 silver badges6262 bronze badges answered Jul 7 '09 at 2:33 freitassfreitass ...
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Can't find how to use HttpContent

... edited Feb 22 '17 at 15:40 answered Jun 29 '14 at 9:11 You...
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PHP namespaces and “use”

... 170 The use operator is for giving aliases to names of classes, interfaces or other namespaces. Most...
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Access “this” from Java anonymous class

... answered Jul 5 '09 at 14:07 Mykola GolubyevMykola Golubyev 50k1414 gold badges7979 silver badges100100 bronze badges ...
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How to run Maven from another directory (without cd to project dir)?

... | edited Sep 5 at 0:40 Aaron 6,28022 gold badges1818 silver badges3535 bronze badges answered Ju...
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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 share | improve this answer | follow ...