大约有 47,000 项符合查询结果（耗时：0.0613秒） [XML]
How do I limit the number of results returned from grep?
I would like to say 10 lines max from grep.
5 Answers
5
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dismissModalViewControllerAnimated deprecated
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307
The new method is:
[self dismissViewControllerAnimated:NO completion:nil];
The word modal ha...
What's a 3D doing in this HTML?
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answered Oct 25 '10 at 15:27
Chris Jester-YoungChris Jester-Young
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Is there a built in function for string natural sort?
...tsort import natsorted, ns
>>> x = ['Elm11', 'Elm12', 'Elm2', 'elm0', 'elm1', 'elm10', 'elm13', 'elm9']
>>> natsorted(x, key=lambda y: y.lower())
['elm0', 'elm1', 'Elm2', 'elm9', 'elm10', 'Elm11', 'Elm12', 'elm13']
>>> natsorted(x, alg=ns.IGNORECASE) # or alg=ns.IC
['elm0...
Clearing a string buffer/builder after loop
...ete method as follows:
StringBuffer sb = new StringBuffer();
for (int n = 0; n < 10; n++) {
sb.append("a");
// This will clear the buffer
sb.delete(0, sb.length());
}
Another option (bit cleaner) uses setLength(int len):
sb.setLength(0);
See Javadoc for more info:
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Update an outdated branch against master in a Git repo
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edited Mar 2 '12 at 5:04
random
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answered Jan...
Why is this program valid? I was trying to create a syntax error
...bar)
to be written as
new Foo $bar
So that means
Syntax error ! exit 0;
is the same as
error->Syntax(! exit 0);
or
error->Syntax(!exit(0));
Not only is it valid syntax, it doesn't result in a run-time error because the first thing executed is exit(0).
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Can you have additional .gitignore per directory within a single repo?
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Similar question was: Are multiple `.gitignore`s frowned on? (Jul 2010)
Or if you can have different version of a .gitignore file per branch: Using github to host public git repositories whilst ensuring that sensitive data files remain untracked (Feb 2010)
Further perhaps related: How do ...
Access to Modified Closure
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Alex Wiese
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answered Oct 24 '08 at 22:20
Jon SkeetJon Skeet
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?
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edited May 29 '17 at 23:01
dreftymac
26.4k2323 gold badges103103 silver badges163163 bronze badges
ans...