大约有 3,285 项符合查询结果(耗时:0.0132秒) [XML]

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Significant new inventions in computing since 1980

... Shannon's work in 50s), it's just become feasible with improved hardware (fast enough, able to play the media). – Kornel Jan 11 '09 at 16:44 ...
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Sort points in clockwise order?

... I was suggesting to use one of the many fast approximations, not the NP-complete original algorithm, of course. – static_rtti Aug 11 '11 at 12:13 ...
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Numpy first occurrence of value greater than existing value

... This is a little faster (and looks nicer) np.argmax(aa>5) Since argmax will stop at the first True ("In case of multiple occurrences of the maximum values, the indices corresponding to the first occurrence are returned.") and doesn't sa...
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__lt__ instead of __cmp__

...utes of the new class it's decorating (the result might be microscopically faster at runtime, at equally minute cost in terms of memory). Of course, if your class has some particularly fast way to implement (e.g.) __eq__ and __ne__, it should define them directly so the mixin's versions are not use...
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Is there any advantage of using map over unordered_map in case of trivial keys?

...nt GMan made: depending on the type of use, std::map can be (and often is) faster than std::tr1::unordered_map (using the implementation included in VS 2008 SP1). There are a few complicating factors to keep in mind. For example, in std::map, you're comparing keys, which means you only ever look at...
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What's the difference between using CGFloat and float?

...ctly since then you'd be tied to the processor architecture (and I thought fast JVMs solved this years ago :)). So what primitives are safe? int? – Dan Rosenstark Jul 9 '10 at 15:21 ...
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How to iterate over rows in a DataFrame in Pandas

... Do not use iterrows. Itertuples is faster and preserves data type. More info – James L. Dec 1 '17 at 16:14 12 ...
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How do I create a right click context menu in Java Swing?

...nter that error. Solution that @BullyWillPlaza made is very good, rich and fast to implement in your program so you should try it our see how you like it. share | improve this answer | ...
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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]

... raw SQL are more "flexible". You can leverage sprocs and SQL to generate faster queries for the odd specific case, and you can leverage native DB functionality easier than you can with and ORM. 5) Overall Don't get caught up in the false dichotomy of choosing an ORM vs using stored procedures...
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Populate data table from data reader

...tons, I've found that the SqlDataAdapter.Fill method is more than twice as fast with the result sets I've been using Used code: [TestMethod] public void SQLCommandVsAddaptor() { long AdapterFillLargeTableTime, readerLoadLargeTableTime, AdapterFillMediumTableTime, readerLoadMedi...