大约有 30,000 项符合查询结果(耗时:0.0251秒) [XML]

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.NET / C# - Convert char[] to string

... Compiler does it automatically as chars type is known on compile time. – Semen Miroshnichenko Aug 3 '17 at 15:15 ...
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String concatenation vs. string substitution in Python

...here's no option but to use interpolation/templating. >>> import timeit >>> def so_q_sub(n): ... return "%s%s/%d" % (DOMAIN, QUESTIONS, n) ... >>> so_q_sub(1000) 'http://stackoverflow.com/questions/1000' >>> def so_q_cat(n): ... return DOMAIN + QUESTIONS + '/' ...
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How to disassemble one single function using objdump?

... The man page isn't definitive. For a long time it wasn't really maintained, but now I think it's generated from the main docs. Also "gdb --help" is more complete now too. – Tom Tromey Oct 18 '14 at 2:33 ...
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What is boilerplate code?

... @KorayTugay Some times boilerplate is not easy to avoid. For example, you can avoid to repeat main function in your project by using only one and manage your whole project with it. In web development we could avoid the html5 template in each ...
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How to determine whether a Pandas Column contains a particular value

... did a few simple tests: In [10]: x = pd.Series(range(1000000)) In [13]: timeit 999999 in x.values 567 µs ± 25.6 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each) In [15]: timeit x.isin([999999]).any() 9.54 ms ± 291 µs per loop (mean ± std. dev. of 7 runs, 100 loops each) In [16]:...
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How do I use regex in a SQLite query?

...sage. If a application-defined SQL function named "regexp" is added at run-time, that function will be called in order to implement the REGEXP operator. (sqlite.org/lang_expr.html#regexp) – radicand Jan 7 '12 at 0:49 ...
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Should all jquery events be bound to $(document)?

...t control, you cannot do that with delegated event handling because by the time the event bubbles up to the delegated handler, it has already been processed by the input control and it's too late to influence that behavior. Here are times when event delegation is required or advantageous: When th...
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How can I run an external command asynchronously from Python?

... polling like in the following: from subprocess import Popen, PIPE import time running_procs = [ Popen(['/usr/bin/my_cmd', '-i %s' % path], stdout=PIPE, stderr=PIPE) for path in '/tmp/file0 /tmp/file1 /tmp/file2'.split()] while running_procs: for proc in running_procs: retcode...
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Code for a simple JavaScript countdown timer?

I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded? ...
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Using Emacs to recursively find and replace in text files not already open

...ll prompt you for each modified file, so you only have to hit 'y' multiple times. – danielpoe Jun 3 '09 at 13:17 50 ...