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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
...ht also be an option. On some systems at least; well, you get the picture. It has been pointed out that sort -R doesn't really shuffle but instead sort items according to their hash value.
[Editor's note: sort -R almost shuffles, except that duplicate lines / sort keys always end up next to each ot...
'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
I submitted an app update, but I have received an email telling me this error has occurred:
16 Answers
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What are the differences and similarities between ffmpeg, libav, and avconv?
When I run ffmpeg on Ubuntu, it shows:
1 Answer
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How to apply a CSS filter to a background image
...'m using as a background image for a search page, and I'm using CSS to set it because I'm working within Backbone.js contexts:
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Reserved keywords in JavaScript
...be linking to the actual sources of info, rather than just the top google hit.
http://developer.mozilla.org/En/Core_JavaScript_1.5_Reference/Reserved_Words
JScript 8.0:
http://msdn.microsoft.com/en-us/library/ttyab5c8.aspx
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SQL Server IN vs. EXISTS Performance
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EXISTS will be faster because once the engine has found a hit, it will quit looking as the condition has proved true.
With IN, it will collect all the results from the sub-query before further processing.
sh...
Proper practice for subclassing UIView?
...trying to ascertain proper practice for setting up the view. When working with a UIViewController, it's fairly simple to use the loadView and related viewWill , viewDid methods, but when subclassing a UIView, the closest methosds I have are `awakeFromNib , drawRect , and layoutSubviews . (I'...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
I want to create a C macro that creates a function with a name based
on the line number.
I thought I could do something like (the real function would have statements within the braces):
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How to implement a custom AlertDialog View
In the Android docs on AlertDialog , it gives the following instruction and example for setting a custom view in an AlertDialog:
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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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