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Checking if array is multidimensional or not?

...will recursively count the array. This is particularly useful for counting all the elements of a multidimensional array. count() does not detect infinite recursion. However this method does not detect array(array()). share...
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CodeIgniter: Create new helper?

...o it. <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); if ( ! function_exists('test_method')) { function test_method($var = '') { return $var; } } Save this to application/helpers/ . We shall call it "new_helper.php" The first line exists to ...
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What's the best way to store Phone number in Django models

... You might actually look into the internationally standardized format E.164, recommended by Twilio for example (who have a service and an API for sending SMS or phone-calls via REST requests). This is likely to be the most universal way t...
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Grouping functions (tapply, by, aggregate) and the *apply family

Whenever I want to do something "map"py in R, I usually try to use a function in the apply family. 10 Answers ...
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A CORS POST request works from plain JavaScript, but why not with jQuery?

...eeded with jquery 1.5.2 any more. But if you want to add custom headers or allow the use of credentials (username, password, or cookies, etc), read on. I think I found the answer! (4 hours and a lot of cursing later) //This does not work!! Access-Control-Allow-Headers: * You need to manually s...
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What is Android keystore file, and what is it used for?

... going to use "push data" in your app! – KapteinMarshall Sep 4 '13 at 9:43 Is Keystore machine specific ? Or we can u...
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Broken references in Virtualenvs

I recently installed a bunch of dotfiles on my Mac along with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they ...
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How to undo 'git reset'?

... Short answer: git reset 'HEAD@{1}' Long answer: Git keeps a log of all ref updates (e.g., checkout, reset, commit, merge). You can view it by typing: git reflog Somewhere in this list is the commit that you lost. Let's say you just typed git reset HEAD~ and want to undo it. My reflog look...
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What is the best way to create constants in Objective-C

...he file in the Reddit-Prefix.pch file to make the constants available to all the files. Is it a good way of doing things? Also, I've done my research and found several methods to create constants, but I don't know which one to use: ...
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How to convert a Hibernate proxy to a real entity object

...e objects and some of them are loaded as proxies due to lazy loading. It's all OK and I don't want to turn lazy loading off. ...