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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...ed column, mysql, group by was about 6x slower than distinct with a fairly complicated query. Just adding this as a datapoint. About 100k rows. So test it and see for yourselves.
– Lizardx
Feb 21 '16 at 22:32
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What is the difference between the add and offer methods in a Queue in Java?
Take the PriorityQueue for example http://java.sun.com/j2se/1.5.0/docs/api/java/util/PriorityQueue.html#offer(E)
8 Answe...
LINQ To Entities does not recognize the method Last. Really?
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That limitation comes down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing).
There is an easy way around it though, just order descending and then ...
How do I prevent a Gateway Timeout with FastCGI on Nginx
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What is the difference between the mouseover and mouseenter events?
...;
margin: 0;
padding: 0;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="out overout">
<span>move your mouse</span>
<div class="in">
</div>
</div>
<div class="out enterle...
How do I find if a string starts with another string in Ruby?
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Run cron job only if it isn't already running
... This wheel was already invented somewhere else :) E.g., serverfault.com/a/82863/108394
– Filipe Correia
Jun 8 '13 at 2:27
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How to apply a style to an embedded SVG?
... to get this trick to work in Chrome without including svgweb: code.google.com/p/svgweb ...Any idea's what I'm doing wrong?
– Matt W-D
Jul 14 '12 at 23:48
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