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Generic htaccess redirect www to non-www

... If it does not work, you are probably missing the RewriteEngine On precursor to make it work. – hendry May 25 '10 at 9:02 ...
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Perform an action in every sub-directory using Bash

...n a script that needs to perform an action in every sub-directory of a specific folder. 9 Answers ...
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How to get process ID of background process?

... ... which hoses you if foo happens to be multiple piped commands (eg. tail -f somefile.txt | grep sometext). In such cases, you will get the PID of the grep command from $! rather than the tail command if that's what you were looking for. You wi...
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Disable a group of tests in rspec?

...o I have to decide what to use again later), and is just as easily removed if the decision is made or blocker is removed. This works the same for groups and individual examples. share | improve thi...
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How to include “zero” / “0” results in COUNT aggregate?

...e function count() will not count NULL values and thus you'll get a zero. If you want to learn more about outer joins, here is a nice tutorial: http://sqlzoo.net/wiki/Using_Null share | improve thi...
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Android multiple email attachments using Intent

... be "text/plain" and not "plain/text": emailIntent.setType("text/plain");. If you use "plain/text" Android will force to use GMail as a sender, but if you use "text/plain" it will provide application chooser dialog with Gmail, Facebook, Bluetooth etc. If you would like to propose only mail programs ...
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Javascript: formatting a rounded number to N decimals

... that is a display problem. A number doesn't contain information about significant digits; the value 2 is the same as 2.0000000000000. It's when you turn the rounded value into a string that you have make it display a certain number of digits. You could just add zeroes after the number, something l...
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Generating random numbers in Objective-C

... You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed. #include <stdlib.h> // ... // ... int r = arc4random_uniform(74); The arc4random man page: NAME arc4random, arc4random...
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Python concatenate text files

...nough for the OP's use case, and for whatever use case eyquem has in mind. If he thinks it isn't, it's his responsibility to prove that before demanding that you optimize it. – abarnert Nov 28 '12 at 21:16 ...
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How do I get Month and Date of JavaScript in 2 digit format?

... @KasperHoldum–getMonth and getDate return numbers, not strings. And if compatibility with Strings is required, then '0' + Number(n) will do the job. – RobG Jul 23 '12 at 0:16 ...