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What is the purpose of the “role” attribute in HTML?
...ML but were deprecated. However, they are now defined by HTML 5, see here: https://www.w3.org/WAI/PF/aria/roles#abstract_roles_header
The purpose of the role attribute is to identify to parsing software the exact function of an element (and its children) as part of a web application. This is mostly...
Running PostgreSQL in memory only
... in your JUnit tests via the Embedded PostgreSQL Component from OpenTable: https://github.com/opentable/otj-pg-embedded.
By adding the dependency to the otj-pg-embedded library (https://mvnrepository.com/artifact/com.opentable.components/otj-pg-embedded) you can start and stop your own instance of ...
How can strings be concatenated?
...asiest way would be
Section = 'Sec_' + Section
But for efficiency, see: https://waymoot.org/home/python_string/
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jQuery checkbox checked state changed event
...imeout(generateRandomArticle.bind(null, ++title), 10000);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<section id="post-list" class="list post-list">
<article class="post">
<h1>Title 1</h1>
</article>...
Making git auto-commit
...tory.
You can find the script, more info and instructions over on github: https://github.com/nevik/gitwatch
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Proper way to wait for one function to finish before continuing?
...andle catching errors then use it with try/catch. Read about it more here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function .
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How to Calculate Execution Time of a Code Snippet in C++
...ble secs = (t1 - t0) / 1000000.0L;
Here's the file where we coded this:
https://github.com/arhuaco/junkcode/blob/master/emqbit-bench/bench.c
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Callback when CSS3 transition finishes
...TransitionEnd", function(){ ... });
Mozilla has an excellent reference:
https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Transitions/Using_CSS_transitions#Detecting_the_start_and_completion_of_a_transition
For animations it's very similar:
$("#someSelector").bind("animationend webkitAnimati...
Use Font Awesome Icon in Placeholder
...If you're using FontAwesome 4.7 this should be enough:
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet"/>
<input type="text" placeholder="&#xF002; Search" style="font-family:Arial, FontAwesome" />
A list o...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
... + $trail + 0x10000 - (0xD800 << 10) - 0xDC00;
}
// https://tools.ietf.org/html/rfc3629#section-3
// Characters between U+D800 and U+DFFF are not allowed in UTF-8
if ($cp > 0xD7FF && 0xE000 > $cp) {
$cp = 0xFFFD;
}
// ...