大约有 15,467 项符合查询结果(耗时:0.0244秒) [XML]

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Why do we usually use || over |? What is the difference?

... thing you're getting from a function is actually an error code and you're testing for non-0-ness, this can matter quite a lot. This isn't as much of an issue in Java where you have to explicitly typecast to boolean or compare with 0 or the like, but in other languages with similar syntax (C/C++ et...
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Remove duplicate elements from array in Ruby

...ich, when run, results in: # >> Ruby v2.7.1 # >> Running each test 16 times. Test will take about 2 seconds. # >> _mithun_sasidharan is faster than _jaredsmith by 2x ± 0.1 # >> _jaredsmith is faster than _santosh_mohanty by 4x ± 0.1 (results differ: [1, 2, 4, 5, 6, 7, 8] v...
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How do I detect the Python version at runtime? [duplicate]

... As this allows testing both major and minor versions in a single simple and easy-to-read test, I think this is the best answer. – John1024 Sep 7 '17 at 19:13 ...
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The SMTP server requires a secure connection or the client was not authenticated. The server respons

... keep your account safer. Some examples of apps that do not support the latest security standards include: The Mail app on your iPhone or iPad with iOS 6 or below The Mail app on your Windows phone preceding the 8.1 release Some Desktop mail clients like Microsoft Outlook and Mozilla Thunderbird ...
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Threading pool similar to the multiprocessing Pool?

...or something similar) as threading.ThreadPool, including documentation and tests. It would indeed be a good battery to include in the standard library, but it won't happen if nobody writes it. One nice advantage of this existing implementation in multiprocessing, is that it should make any such thre...
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How to pick a new color for each plotted line within a figure in matplotlib?

...cycle_demo.html mentioned at: https://stackoverflow.com/a/4971431/895245 Tested in matplotlib 1.5.1. share | improve this answer | follow | ...
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How can I suppress all output from a command using Bash?

...e directly to the terminal device rather than to standard output/error. To test, put echo foo > $(tty) in a script and run ./test.sh &> /dev/null - The output is still printed to the terminal. Of course this is not a problem if you're writing a script which uses no such commands. ...
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fancybox - d.onCleanup is not a function

this is driving me nuts. Iv'e created a simple test page.. 1 Answer 1 ...
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Python regular expressions return true/false

...h objects are always true, and None is returned if there is no match. Just test for trueness. if re.match(...): share | improve this answer | follow | ...
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Facebook Like Button - how to disable Comment pop up?

...ke button (be careful to refresh your page after unliking the link you are testing with) and then start typing, the <div> stays the same size but shows the text entry box, then press tab and the Close and Post buttons become visible. Not good. I was testing with Firefox. –...