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Rails Observer Alternatives for 4.0
...odels you wish to run the after_save in:
class MyModel < ActiveRecord::Base
include MyConcernModule
end
Depending on what you're doing, this might get you close without observers.
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Valid values for android:fontFamily and what they map to?
... alias to use with fontFamily android.googlesource.com/platform/frameworks/base/+/master/data/…
– Pauland
Mar 25 '15 at 14:16
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Update one MySQL table with values from another
I'm trying to update one MySQL table based on information from another.
2 Answers
2
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Resize HTML5 canvas to fit window
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Setting the canvas coordinate space width and height based on the browser client's dimensions requires you to resize and redraw whenever the browser is resized.
A less convoluted solution is to maintain the drawable dimensions in Javascript variables, but set the canvas dimen...
Explain the use of a bit vector for determining if all characters are unique
... the right like in decimal numbers only in binaries. We are multiplying by base 2-when we move up however many places not base 10- so the number on the right is the exponent and the number on the left is a base multiple of 2.
This operator |= take the operand on the left and or's it with the oper...
Accessing JPEG EXIF rotation data in JavaScript on the client side
I'd like to rotate photos based on their original rotation, as set by the camera in JPEG EXIF image data. The trick is that all this should happen in the browser, using JavaScript and <canvas> .
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Best way to obfuscate an e-mail address on a website?
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A lightweight way to obfuscate the href of an anchor is to base64-encode it:
> btoa('mailto:email@example.com')
< "bWFpbHRvOmVtYWlsQGV4YW1wbGUuY29t"
And then include it hardcoded:
<a href="javascript:window.location.href=atob('bWFpbHRvOmVtYWlsQGV4YW1wbGUuY29t')">E-Mai...
jQuery UI DatePicker to show month year only
...="screen" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/themes/base/jquery-ui.css">
<script type="text/javascript">
$(function() {
$('.date-picker').datepicker( {
changeMonth: true,
changeYear: true,
showButtonPanel: tr...
Difference between constituency parser and dependency parser
...onstituency parser, and then, if needed, it performs a deterministic (rule-based) transformation on the constituency parse tree to convert it into a dependency tree.
More can be found here:
http://en.wikipedia.org/wiki/Phrase_structure_grammar
http://en.wikipedia.org/wiki/Dependency_grammar
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Laravel orderBy on a relationship
...oller example; when getting the list of comments, just apply the orderBy() based on Input::get().
(be sure to do some input-checking ;) )
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