大约有 31,000 项符合查询结果(耗时:0.0296秒) [XML]

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Execute code when Django starts ONCE only?

...nitialise some other arbritary code. I've followed the very nice solution posted by sdolan here , but the "Hello" message is output to the terminal twice . E.g. ...
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Difference between java.util.Random and java.security.SecureRandom

... answered Jun 16 '12 at 3:27 AshwinAshwin 9,7312626 gold badges9999 silver badges166166 bronze badges ...
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Running the new Intel emulator for Android

... answered May 27 '12 at 6:44 rallrallrallrall 4,74011 gold badge1212 silver badges1414 bronze badges ...
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What is the difference between a process and a thread?

... 27 This answer seems wrong. If both processes and threads were independent sequences of execution, then a process that contained two threads w...
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How to parse/read a YAML file into a Python object? [duplicate]

... | edited Sep 27 '17 at 22:07 answered Sep 18 '17 at 20:06 ...
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Is there a Unix utility to prepend timestamps to stdin?

... strftime() appears to be a GNU awk extension, so if you're on Mac OS, for example, use gawk instead of awk. – Joe Shaw Mar 8 '12 at 14:24 ...
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How to do relative imports in Python?

...t. – Nick Retallack May 11 '10 at 4:27 76 The recommended alternative is to run modules inside pa...
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Play sound on button click android

... answered Aug 27 '13 at 7:21 KealeKeale 3,45433 gold badges2525 silver badges4545 bronze badges ...
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Is there a good charting library for iPhone? [closed]

...ject. – Mike Akers Apr 20 '09 at 23:27 3 In the interim, many features have been added to Core Pl...
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How can I convert a datetime object to milliseconds since epoch (unix time) in Python?

... solution (if python version >2.7). Because the implementation of %s is OS dependent! Thus anyone want the code works reliably regardless on which OS, should NEVER use %s. For 2.3 < py ver <2.7. One can simply build a total_seconds() like this: delta.days*86400+delta.seconds+delta.microseco...