大约有 47,000 项符合查询结果(耗时:0.0731秒) [XML]

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Why is processing a sorted array faster than processing an unsorted array?

Here is a piece of C++ code that shows some very peculiar behavior. For some strange reason, sorting the data miraculously makes the code almost six times faster: ...
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How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?

One of the extensions listed in Visual Studio (2012 for me) is the "Microsoft Advertising SDK for Windows 8.1". I like to uninstall extensions I don't need, but this one won't allow me. if I hover the (enabled!) button it says in a tooltip: ...
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JavaScript variables declare outside or inside loop?

In AS3 I believe you should initialise all variables outside loops for increased performance. Is this the case with JavaScript as well? Which is better / faster / best-practice? ...
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Bash function to find newest file matching pattern

In Bash, I would like to create a function that returns the filename of the newest file that matches a certain pattern. For example, I have a directory of files like: ...
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Get most recent file in a directory on Linux

Looking for a command that will return the single most recent file in a directory. 21 Answers ...
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Fastest way to extract frames using ffmpeg?

Hi I need to extract frames from videos using ffmpeg.. Is there a faster way to do it than this: 6 Answers ...
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preventDefault() on an tag

I have some HTML and jQuery that slides a div up and down to show or hide` it when a link is clicked: 11 Answers ...
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In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000

In my node application I'm using mocha to test my code. While calling many asynchronous functions using mocha, I'm getting timeout error ( Error: timeout of 2000ms exceeded. ). How can I resolve this? ...
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Is there any kind of hash code function in JavaScript?

Basically, I'm trying to create an object of unique objects, a set. I had the brilliant idea of just using a JavaScript object with objects for the property names. Such as, ...
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Fast way of finding lines in one file that are not in another?

I have two large files (sets of filenames). Roughly 30.000 lines in each file. I am trying to find a fast way of finding lines in file1 that are not present in file2. ...