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What is (functional) reactive programming?

...read the Wikipedia article on reactive programming . I've also read the small article on functional reactive programming . The descriptions are quite abstract. ...
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Event on a disabled input

... However, Firefox doesn't exhibit this behaviour, it just does nothing at all when you click on a disabled element. I can't think of a better solution but, for complete cross browser compatibility, you could place an element in front of the disabled input and catch the click on that element. Here...
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Change name of iPhone app in Xcode 4

...was posted just after I switched to XCode 4, and I am so glad I did! It really rocks, blows away MS Visual Studio .NET 2008 (my day job). – Jay Imerman Aug 2 '11 at 3:45 ...
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What is the benefit of using Fragments in Android, rather than Views?

...tom views are more light weight and simpler to implement. At first, I actually tried to build a phone/tablet app using custom views. Everything appeared to work across phones AND tablets, even switching from single panel to split panel. Where I ran into trouble was with the back button and life c...
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Why is SELECT * considered harmful?

... There are really three major reasons: Inefficiency in moving data to the consumer. When you SELECT *, you're often retrieving more columns from the database than your application really needs to function. This causes more data to mov...
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?

...(a1.length, *a2) or append and flatten: (a1 << a2).flatten! # a call to #flatten instead would return a new array share | improve this answer | follow ...
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How should I use git diff for long lines?

...nment variable. If you don't mind about paging (for example, your terminal allows you to scroll back) you might try explicitly setting GIT_PAGER to empty to stop it using a pager. Under Linux: $ GIT_PAGER='' git diff Without a pager, the lines will wrap. If your terminal doesn't support coloured...
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How do I tell if a regular file does not exist in Bash?

... The unary operator -z tests for a null string, while -n or no operator at all returns True if a string is not empty. ~ ibm.com/developerworks/library/l-bash-test/index.html – BlueCacti May 5 '14 at 11:06 ...
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Style input element to fill remaining width of its container

... Would this work with IE6? Otherwise I may have to actually define a little table for this :( – Joel Coehoorn Apr 21 '09 at 16:49 ...
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Unzip files programmatically in .net

I am trying to programatically unzip a zipped file. 15 Answers 15 ...