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How to use concerns in Rails 4
...e Taggable
...
end
# app/models/concerns/taggable.rb
# notice that the file name has to match the module name
# (applying Rails conventions for autoloading)
module Taggable
extend ActiveSupport::Concern
included do
has_many :taggings, as: :taggable
has_many :tags, through: :tagging...
Make child visible outside an overflow:hidden parent
...t wouldn't work in others.
Here is a crappy example just post into a html file to view.
<div style="background: #ff00ff; overflow: hidden; width: 500px; height: 500px; position: relative;">
<div style="background: #ff0000;position: fixed; top: 10px; left: 10px;">asd
<di...
Warning the user/local/mysql/data directory is not owned by the mysql user
... chown -RL mysql:mysql /usr/local/mysql/data
sudo /usr/local/mysql/support-files/mysql.server start
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Set UILabel line spacing
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Lies! ;) You can patch a font file to change the line height - see my answer on this page.
– Philippe
Sep 3 '12 at 20:14
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How may I reference the script tag that loaded the currently-executing script?
...ent and Production
Static and fragile. Changing the location of the script file will require modifying the script
Less widely supported than using the id attribute
Will cause problems if you load the same script twice
5. Loop over all scripts to find the one you want
We can also loop over every s...
jQuery returning “parsererror” for ajax request
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Thank you! This applies also to jquery.fileupload.js and other libraries using the JQuery AJAX methods. Confusing error message!
– kqr
Mar 31 '16 at 15:07
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What are the correct link options to use std::thread in GCC under linux?
...this is a linking option, this compiler option need to be AFTER the source files:
$ g++ -std=c++0x test.cpp -pthread
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When to create a new app (with startapp) in Django?
...ew applications for each logically separate set of models. e.g.:
User Profiles
Forum Posts
Blog posts
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IntelliJ IDEA: Running a shell script as a Run/Debug Configuration
... This worked well - thank you. I used Program: ` C:\Program Files (x86)\Git\bin\rm.exe ` And Parameters: ` -fr ~/.grails/.slcache/ ` As another example
– Ask613
Mar 6 '15 at 15:27
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Android: combining text & image on a Button or ImageButton
... the background. Use a StateListDrawable (usually via <selector> XML file in res/drawable/), so you can define backgrounds for the various states (normal, pressed, focused, disabled, etc.).
– CommonsWare
Oct 7 '09 at 18:11
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