大约有 6,887 项符合查询结果（耗时：0.0242秒） [XML]
How do I pick 2 random items from a Python set? [duplicate]
...n't, say, run reservoir sampling or some other algorithm that works on non-indexable collections.
– user2357112 supports Monica
Dec 22 '13 at 10:46
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What do the icons in Eclipse mean?
...eclipse versions except eclipse version:
https://help.eclipse.org/2019-09/index.jsp?nav=%2F1
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Mercurial Eclipse Plugin
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Check here instead: andrei.gmxhome.de/mercurialeclipse/index.html No registration required. The update site URL is at the bottom of the page. But read the whole thing anyway.
– n0rd
Dec 2 '10 at 18:55
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How to check whether a string contains a substring in JavaScript?
...port, though. In ECMAScript 5 or older environments, use String.prototype.indexOf, which returns -1 when a substring cannot be found:
var string = "foo";
var substring = "oo";
console.log(string.indexOf(substring) !== -1);
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Iterating over all the keys of a map
...t for _, k := range v.MapKeys(), since in your example, k would be the int index of the slice of keys
– Brian Leishman
Apr 23 '19 at 14:05
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get string value from UISegmentedControl
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Objective-C
NSString *title = [segment titleForSegmentAtIndex:segment.selectedSegmentIndex];
Swift:
let title = segment.titleForSegment(at: segment.selectedSegmentIndex)
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FFmpeg C API documentation/tutorial [closed]
...r own ffmpeg format or codec, take a look here:
http://wiki.multimedia.cx/index.php?title=Category:FFmpeg_Tutorials
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How to split (chunk) a Ruby array into parts of X elements? [duplicate]
... Nice. I used something similar to foo.each_slice(3).each_with_index { |f, i| puts "#{f}, #{i}" } in order to work through the array in slices (or "chunks").
– user664833
Sep 14 '12 at 19:08
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Python 3 Online Interpreter / Shell [closed]
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This one, pyeval.appspot.com/index.html, has a friendlier interface
– Edwin Evans
Mar 15 '12 at 20:00
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How do I remove a key from a JavaScript object? [duplicate]
...t, and delete them if they match a certain value, does this affect the key index while you are looping over it?
– CMaury
Feb 4 '13 at 15:57
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