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Where can I find my .emacs file for Emacs running on Windows?
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Copy and pasted from the Emacs FAQ, http://www.gnu.org/software/emacs/windows/:
Where do I put my init file?
On Windows, the .emacs file may be called _emacs for backward compatibility with DOS and FAT filesystems where filenames could not start with a dot. Some use...
How do I compile and run a program in Java on my Mac?
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Download and install Eclipse, and you're good to go.
http://www.eclipse.org/downloads/
Apple provides its own version of Java, so make sure it's up-to-date.
http://developer.apple.com/java/download/
Eclipse is an integrated development environment. It has many features, but the on...
Difference between size_t and unsigned int?
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size_t has a specific restriction.
Quoting from http://www.cplusplus.com/reference/cstring/size_t/ :
Alias of one of the fundamental unsigned integer types.
It is a type able to represent the size of any object in bytes: size_t is the type returned by the sizeof operator...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...现步骤可能跟文章所讨论的并不一致。原文译自：http://www.codeproject.com/Articles/175482/Compiler-Internals-How-Try-Catch-Throw-are-Interprpreted-by-the-Microsoft-Compiler
引言
开始文章之前，先声明几件重要事情。本文不是一篇介绍如何在x86架构上详...
How to know if two arrays have the same values
...rrays of objects in which case use a sort function as documented in http://www.w3schools.com/jsref/jsref_sort.asp
Might suffice for small arrays with flat JSON schemas.
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
...a simple container class I called TransitionController. You can find it at https://gist.github.com/1394947.
As an aside, I prefer the implementation in a separate class b/c it's easier to reuse. If you don't want that, you could simply implement the same logic directly in your app delegate eliminat...
Javascript reduce on array of objects
...2,3].reduce(callback,0)
Read more on the functional programming spec here: https://github.com/fantasyland/fantasy-land#foldable
Some more background
The reduce method takes two parameters,
Array.prototype.reduce( callback, initialItem )
The callback function takes the following parameters
(accumula...
How to convert a SVG to a PNG with ImageMagick?
...convert -version
Version: ImageMagick 6.8.9-8 Q16 x86_64 2014-12-17 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC
Features: DPC Modules
Delegates: bzlib cairo fontconfig freetype jng jpeg lcms ltdl lzma png rsvg tiff xml zlib
It should display rsvg.
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Is “else if” faster than “switch() case”? [duplicate]
... both faster and better practise.
There are various links such as (http://www.blackwasp.co.uk/SpeedTestIfElseSwitch.aspx) that show benchmark tests comparing the two.
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Passing additional variables from command line to make
...which is included in the GNU Make book by Stallman and McGrath (see http://www.chemie.fu-berlin.de/chemnet/use/info/make/make_7.html). It provides the example:
archive.a: ...
ifneq (,$(findstring t,$(MAKEFLAGS)))
+touch archive.a
+ranlib -t archive.a
else
ranlib archive.a
en...