大约有 47,000 项符合查询结果(耗时:0.0282秒) [XML]

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How does the bitwise complement operator (~ tilde) work?

... How does the machine know it is getting a two complement negative number instead of a higher positive number? Is it because of the type system of the respective language indicating that the type is a signed int versus unsigned? ...
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Controlling fps with requestAnimationFrame?

...t seems like requestAnimationFrame is the de facto way to animate things now. It worked pretty well for me for the most part, but right now I'm trying to do some canvas animations and I was wondering: Is there any way to make sure it runs at a certain fps? I understand that the purpose of rAF is f...
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Creating JSON on the fly with JObject

...how about: dynamic jsonObject = new JObject(); jsonObject.Date = DateTime.Now; jsonObject.Album = "Me Against the world"; jsonObject.Year = 1995; jsonObject.Artist = "2Pac"; share | improve this a...
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Why doesn't nodelist have forEach?

...nner text, but found that nodelist does not have a forEach method. I know that nodelist doesn't inherit from Array , but doesn't it seem like forEach would be a useful method to have? Is there a particular implementation issue I am not aware of that prevents adding forEach to nodelist ?...
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How to detect escape key press with pure JS or jQuery?

... @LachlanMcD - be aware (5 years later!) that .unbind is now deprecated as of jQuery 3.0... you should use .off – freefaller Apr 24 '18 at 14:07 ...
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ANTLR: Is there a simple example?

...message, and the files ExpLexer.java, ExpParser.java and Exp.tokens should now be generated. To see if it all works properly, create this test class: import org.antlr.runtime.*; public class ANTLRDemo { public static void main(String[] args) throws Exception { ANTLRStringStream in = n...
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Simulator slow-motion animations are now on?

... @CodaFi: I didn't know about that! I'll have to try it. – BoltClock♦ Dec 25 '11 at 11:15 ...
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How can I undo a `git commit` locally and on a remote after `git push`

...ommits. copy that number from the commit that you want to return back. 2. Now, type in below command: git reset --hard your_that_copied_string_but_without_quote_mark you should see message like "HEAD is now at ". you are on clear. What it just have done is to reflect that change locally. 3. Now...
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How do I get a Cron like scheduler in Python? [closed]

... self.events = events def run(self): t=datetime(*datetime.now().timetuple()[:5]) while 1: for e in self.events: e.check(t) t += timedelta(minutes=1) while datetime.now() < t: time.sleep((t - datetime.now...
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Will Google Android ever support .NET? [closed]

Now that the G1 with Google's Android OS is now available (soon), will the android platform ever support .Net? 13 Answers ...