大约有 40,000 项符合查询结果(耗时:0.0372秒) [XML]

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HTML5 check if audio is playing?

What's the javascript api for checking if an html5 audio element is currently playing? 9 Answers ...
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is it possible to select EXISTS directly as a bit?

I was wondering if it's possible to do something like this (which doesn't work): 9 Answers ...
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Which SQL query is faster? Filter on Join criteria or Where clause?

...ause it reduces the result set at the soonest possible moment, but I don't know for sure. 9 Answers ...
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Grep only the first match and stop

... Unfortunately, it returns more than one -- in-fact two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/ ...
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.NET / C# - Convert char[] to string

... Joel CoehoornJoel Coehoorn 350k103103 gold badges521521 silver badges756756 bronze badges ...
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Why do we have to normalize the input for an artificial neural network?

It is a principal question, regarding the theory of neural networks: 9 Answers 9 ...
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Ruby, remove last N characters from a string?

... in a fast and readable manner. The docs on the methods are here. If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here): 'abc123'.delete_suffix('123') # => "abc" 'abc123'.delete_suffix!('123') # => "abc" It's even significantl...
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Omitting the second expression when using the if-else shorthand

...true. This is called Short-circuiting. It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler approach: if(x==2) dosomething(); You should write readable code at all times; if you are worried about file size, just create a minified vers...
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What does = +_ mean in JavaScript

I was wondering what the = +_ operator means in JavaScript. It looks like it does assignments. 12 Answers ...
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Calculating sum of repeated elements in AngularJS ng-repeat

...small collections, but what if the collection is rather large? it seems like in ng-repeat there should be a way to have a running sum on a given object field. – icfantv Aug 6 '14 at 16:14 ...