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Is there a way to detect if an image is blurry?

...rovide such a metric. Convolve the image with a Laplacian kernel: 1 1 -4 1 1 And use a robust maximum metric on the output to get a number which you can use for thresholding. Try to avoid smoothing too much the images before computing the Laplacian, because you will only find out that a sm...
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How to split a string literal across multiple lines in C / Objective-C?

... 574 There are two ways to split strings over multiple lines: Using \ All lines in C can be split i...
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What are the most-used vim commands/keypresses?

... | edited Feb 20 at 7:04 answered Mar 23 '11 at 4:44 Gre...
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How do I start a process from C#?

... | edited Jul 1 '14 at 17:57 monzie 62511 gold badge66 silver badges1212 bronze badges answered ...
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Is there a function to make a copy of a PHP array to another?

... 946 In PHP arrays are assigned by copy, while objects are assigned by reference. This means that: ...
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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...h /* * Two Levels Segregate Fit memory allocator (TLSF) * Version 2.4.6 * * Written by Miguel Masmano Tello <mimastel@doctor.upv.es> * * Thanks to Ismael Ripoll for his suggestions and reviews * * Copyright (C) 2008, 2007, 2006, 2005, 2004 * * This code is released using a dua...
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Drop unused factor levels in a subsetted data frame

... 14 Answers 14 Active ...
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Why should text files end with a newline?

... 1434 Because that’s how the POSIX standard defines a line: 3.206 Line A sequence of ze...
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How to completely remove node.js from Windows

...d my previous version of node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js website and installed it. However, after running node --version , it still indicates that I'm running v0.8.11. Obviously, some stuff was left behind during the uninstall process, and it's causing me to hav...
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How does one change the language of the command line interface of Git?

... 149 Add these lines to your ~/.bashrc or ~/.bash_profile to force git to display all messages in En...