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How to use concerns in Rails 4
...with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them getting too fat and messy.
As an example, I'll put one well known pattern, the taggable pattern:
# app/models/product.rb
class P...
stopPropagation vs. stopImmediatePropagation
..."background-color", "#f00");
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p>example</p>
Note that the order of the event binding is important here!
$("p").click(function(event) {
// This function will now tr...
View differences of branches with meld?
...I also found this issue annoying so I've made git meld which allows a more comfortable way of diffing arbitrary commits against the working tree or the staging area. You can find it at https://github.com/wmanley/git-meld . It's a bit like Mark's script but works for comparing any arbitrary commit o...
How to study design patterns? [closed]
...ve read around 4-5 books on design patterns, but still I don't feel I have come closer to intermediate level in design patterns?
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How can I shift-select multiple checkboxes like GMail?
...lastChecked = this;
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<html>
<head>
</head>
<body>
<input type="checkbox" id="id_chk1" class="chkbox" value="1" />Check 1<br/>
<input...
Converting an array of objects to ActiveRecord::Relation
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JavaScript function in href vs. onclick
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What is the difference between visibility:hidden and display:none?
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No comment about performance of one and another? I'm curious which method to use to hide absolutely positioned elements, that get displayed and hidden often.
– Tomáš Zato - Reinstate Monica
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Can you use a trailing comma in a JSON object?
...y generating a JSON object or array, it's often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode):
...