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What is event bubbling and capturing?
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Bubbling
Event propagate to the upto root element is **BUBBLING**.
Capturing
Event propagate from body(root) element to eventTriggered Element is **CAPTURING**.
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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Note, MySQL doesn't allow default values on TEXT/BLOB columns. Otherwise this is the ideal solution
– Andrew Vit
Mar 20 '13 at 18:35
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.gitignore exclude folder but include specific subfolder
...attern you can leverage for a bit more shorthand solution:
# assuming the root folder you want to ignore is 'application'
application/**/*
# the subfolder(s) you want to track:
!application/language/gr/
This way you don't have to "unignore" parent directory of the subfolder you want to track.
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Handle Guzzle exception and get HTTP body
...items.
Side Notes:
With catch clause we catch the inheritance chain PHP root exception class
\Exception as Guzzle custom exceptions extend it.
This approach may be useful for use cases where Guzzle is used under the hood like in Laravel or AWS API PHP SDK so you cannot catch the genuine Guzzle e...
Revert the `--no-site-packages` option with virtualenv
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At least for Python 3.5.2, there is pyvenv.cfg file in the root of virtualenv directory. All you need to do is to change include-system-site-packages flag from false to true:
home = /usr/bin
include-system-site-packages = false # <- change this to "true"
version = 3.5.2
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Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
...bootstrap3 grid system supports row nesting which allows you to adjust the root row to allow fixed width side menus.
You need to put in a padding-left on the root row, then have a child row which contains your normal grid layout elements.
Here is how I usually do this
http://jsfiddle.net/u9gjjebj/...
Image fingerprint to compare similarity of many images
...on histogram on the canvas and compare that polygon in your database (e.g. mySQL spatial ...)
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Map enum in JPA with fixed values?
...nverter.
Create an enumerated class like so:
public enum NodeType {
ROOT("root-node"),
BRANCH("branch-node"),
LEAF("leaf-node");
private final String code;
private NodeType(String code) {
this.code = code;
}
public String getCode() {
return code;
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How to install a specific version of a ruby gem?
...sudo to work with RVM gems. When you do
sudo you are running commands as root, another user in another shell
and hence all of the setup that RVM has done for you is ignored while
the command runs under sudo (such things as GEM_HOME, etc...). So to
reiterate, as soon as you 'sudo' you are run...
Django - How to rename a model field using South?
...e slower than the 'rename_column' that other people have suggested. I know MySQL can do a "ALTER TABLE ... rename column" (or whatever it is) quite quickly.
– Rory
Jul 18 '11 at 10:01
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