大约有 5,818 项符合查询结果(耗时:0.0240秒) [XML]

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Should I use 'has_key()' or 'in' on Python dicts?

...ivalent semantically, but performance-wise the latter is much slower (O(n) vs O(1)). I've seen people do the "in dict.keys()" thinking it's more explicit & therefore better. – Adam Parkin Nov 9 '11 at 20:55 ...
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When to use StringBuilder in Java [duplicate]

...ilder is a better choice, see my explanation in concatenation operator (+) vs concat() share | improve this answer | follow | ...
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How to escape JSON string?

... I used this to avoid the missing System.Web.Helpers.Json.Encode in VS2015, but it needs the (input, true) parameter to include the actual quotes as well. – lapo Jun 22 '16 at 14:37 ...
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Return positions of a regex match() in Javascript?

...ength also works for the end position. – Beni Cherniavsky-Paskin Jun 6 '13 at 6:58 really nice - comparison gisted her...
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What does ^M character mean in Vim?

...ught to answer your question. \r has different behavior in the search part vs. the replace part. See stackoverflow.com/a/3834303 for instance. – user2005819 Nov 17 '15 at 22:09 ...
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How can I create and style a div using JavaScript?

...de look and behave functional as well. Case in point: ajax using native js vs jquery :) – jrharshath Jul 27 '11 at 16:24 3 ...
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Ensure that HttpConfiguration.EnsureInitialized()

...swer so I compared my project that was generated from a preview version of VS 2013 to one that was generated with Update 1 and it the difference is that they replaced WebApiConfig.Register(...) with GlobalConfiguration.Configure(...) as gentiane describes in their answer. This does resolve the issue...
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What is the difference between Python and IPython?

... Can you give some comments on the execution speed of ipython vs python? I mean pure ipython, not ipython notebook that would involve a browser. – Jason Jan 7 '18 at 13:48 ...
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Good introduction to the .NET Reactive Framework [closed]

...amilton and Wes Dyer: Inside .NET Rx and IObservable/IObserver in the BCL (VS 2010) An interview with the creator from Rx: Expert to Expert: Brian Beckman and Erik Meijer - Inside the .NET Reactive Framework (Rx) An introduction from the creator of Rx E2E: Erik Meijer and Wes Dyer - Reactive Fra...
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What is that “total” in the very first line after ls -l? [closed]

...g around disk access. Examples of conflicting information: du (or ls -s) vs stat Running du * in a project folder yields the following: (Note: ls -s returns the same results.) dactyl:~/p% du * 2 check.cc 2 check.h 1 DONE 3 Makefile 3 memory.cc 5 memory.h 26 ...