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How to set default values in Rails?

... Beware this does NOT work on Rails 4.2.x (not tested on later versions). as change_column can be quite "structuring", the reverse operation cannot be deduced. If you're not sure, just test it by running db:migrate and db:rollback right after. Accepted answer as the same ...
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Background color not showing in print preview

... for my code why jsfiddle.net/rajkumart08/TbrtD/1/embedded/result defie.co/testing/twitter-bootstrap-558bc52/docs/examples/… – user2045025 Feb 28 '13 at 17:52 ...
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Can we define implicit conversions of enums in c#?

... This solution might be 'right' as an exercise, or testing someone's programming skills but, please, don't do this in real life. Not only it's overkill, it's unproductive, unmaintainable and ugly as hell. You don't need to use an enum just for the sake of it. You either put a...
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Detecting request type in PHP (GET, POST, PUT or DELETE)

... REST in PHP can be done pretty simple. Create http://example.com/test.php (outlined below). Use this for REST calls, e.g. http://example.com/test.php/testing/123/hello. This works with Apache and Lighttpd out of the box, and no rewrite rules are needed. <?php $method = $_SERVER['REQUES...
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet

...pp. If you load Django from a Python script (like I was in my custom unit tests), some initialization needs to be done before proceeding and calling setup() is how to do it. Aside from that, kudos to the team, my 1.6.2 to 1.7.1 upgrade seems to an hour's worth of real work. –...
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How to use NSURLConnection to connect with SSL for an untrusted cert?

...d to accept an un-trusted certificate. Scenario A: You are connected to a test environment which is using a self-signed certificate. Scenario B: You are Proxying HTTPS traffic using a MITM Proxy like Burp Suite, Fiddler, OWASP ZAP, etc. The Proxies will return a certificate signed by a self-signed...
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods

... It also helps with the "rule" of one assertion per test and blends more easily with BDD-style specifications. – Nils Wloka Nov 20 '09 at 14:10 2 ...
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Inefficient jQuery usage warnings in PHPStorm IDE

...ing recent versions of jQuery and browsers is negligible. I constructed a test that shows that it is now actually 10% faster to do a combined selector rather than selection on id and then find for a very simple case: http://jsperf.com/jquery-find-vs-insel For selection of multiple children by cla...
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Fastest way to flatten / un-flatten nested JSON objects

...tions to get Array.isArray and Object into a closer scope. I think the the test object your using for the JSPerf test is too simple though. I created the object "fillObj({},4)" in my jsfiddle benchmark to emulate a real case of a large complex nested piece of data. – Louis Ricc...
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Can the Android layout folder contain subfolders?

...ctories inside the 'project' view, not the 'android' view unfortunately.) Tested with the following. BuildToolsVersion = 23.0.0 gradle 1.2.3 & 1.3.0 This is how I got mine to work with an already built project. Copy all of the XML files out of your layout directory, and put them into a direc...