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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...once is :default mentioned in the guide! guides.rubyonrails.org/migrations.html Unfortunately, I already ran my migration so looking for a way to get a default in the model.
– Chloe
Dec 31 '13 at 8:29
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What's a quick way to comment/uncomment lines in Vim?
...e, or sometimes NerdCommenter gets it wrong (eg JavaScript embedded inside HTML).
In these cases a low-tech alternative is the built-in norm command, which just runs any arbitrary vim commands at each line in your specified range. For example:
Commenting with #:
1. visually select the text row...
How to get one value at a time from a generator function in Python?
...it.
You can also use next(gen).
http://docs.python.org/library/functions.html#next
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How can I make git ignore future revisions to a file?
... details: http://www.kernel.org/pub/software/scm/git/docs/git-update-index.html
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How to make layout with rounded corners..?
...//rahulswackyworld.blogspot.co.il/2013/04/android-drawables-with-rounded_7.html
* easy alternative from support library: RoundedBitmapDrawableFactory.create( ...) ;
*/
public class RoundedCornersDrawable extends BitmapDrawable {
private final BitmapShader bitmapShader;
private final Pain...
Cannot set some HTTP headers when using System.Net.WebRequest
... insensitive per the RFC, http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2
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MVC pattern on Android
...s logic.
A lot of Utils have been already written for you - DatabaseUtils, Html.
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
... to the cmake docs cmake.org/cmake/help/v3.0/variable/CMAKE_INSTALL_PREFIX.html ... make DESTDIR=/home/john install which will install the concerned software using the installation prefix, e.g. “/usr/local” prepended with the DESTDIR value which finally gives “/home/john/usr/local”.
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Underscore: sortBy() based on multiple attributes
...ttp://janetriley.net/2014/12/sort-on-multiple-keys-with-underscores-sortby.html (courtesy of @MikeDevenney)
Code
var FullySortedArray = _.sortBy(( _.sortBy(array, 'second')), 'first');
With Your Data
var FullySortedArray = _.sortBy(( _.sortBy(patients, 'roomNumber')), 'name');
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Android Studio vs Eclipse + ADT Plugin? [closed]
...s ship with the C/C++ Plugin now, but AFAIK, there is still no support for HTML/CSS/JS (which is helpful with all these hybrid frameworks these days).
For the sake of keeping this answer short, I have opted to remove all previous (and outdated) statements, instead of just striking them. Feel free...