大约有 48,000 项符合查询结果(耗时:0.0658秒) [XML]

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Is the order of iterating through std::map known (and guaranteed by the standard)?

...te from std::map::begin() to std::map::end() using a for , does the standard guarantee that I'll iterate consequently through the elements with keys, sorted in ascending order? ...
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How to use a WSDL

...ice. They sent me the WSDL file. What should I do to add it to my website and start using it as the proxy. ( If I put it on a Virtual Directory it can be discovered, but does it grant me the connection with the real web service?) ...
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Should I use s and s inside my s?

... the nav element and the list provide different semantical information: The nav element communicates that we're dealing with a major navigation block The list communicates that the links inside this navigation block form a list of items ...
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How can I measure the speed of code written in PHP? [closed]

... two solutions : The quite "naïve" one is using microtime(true) tobefore and after a portion of code, to get how much time has passed during its execution ; other answers said that and gave examples already, so I won"t say much more. This is a nice solution if you want to benchmark a couple of in...
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Is it expensive to use try-catch blocks even if an exception is never thrown?

...rown, it now does a relatively expensive operation of walking up the stack and seeing if any try blocks exist that would catch this exception. From a layman's perspective, try may as well be free. It's actually throwing the exception that costs you - but unless you're throwing hundreds or thousands ...
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Which one is the best PDF-API for PHP? [closed]

... personally i'd rather go with tcpdf which is an ehnanced and mantained version of fpdf. share | improve this answer | follow | ...
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Reading a huge .csv file

...ying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this: ...
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Finding JavaScript memory leaks with Chrome

... created a very simple test case that creates a Backbone view, attaches a handler to an event, and instantiates a user-defined class. I believe that by clicking the "Remove" button in this sample, everything will be cleaned up and there should be no memory leaks. ...
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Listing only directories in UNIX

... doesn't have such option). Also, can this be done with a single line command? 20 Answers ...
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What do the f and t commands do in Vim?

Can somebody explain to me what the f and t commands do in vim and exactly how they work? I can't seem to find this information but people keep telling me that they are very useful. Would really appreciate an answer with an example if possible, thanks! ...