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What is an index in SQL?
...ubject (which is relevant for other SQL servers as well):
http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
An index can be used to efficiently find all rows matching some column in your query and then walk through only that subset of the table to find exact matches. If you don't have index...
How do I read the contents of a Node.js stream into a string variable?
...r created to collect the data.
When you receive the end event, convert the completed Buffer into a string, if necessary. Then do what you need to do with it.
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Calling a JavaScript function named in a variable [duplicate]
...nd setInterval. I write a lot of JS, and I NEVER need eval. "Needing" eval comes from not knowing the language deeply enough. You need to learn about scoping, context, and syntax. If you're ever stuck with an eval, just ask--you'll learn quickly.
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Tactics for using PHP in a high-load site
... presentations about scaling with multiple languages and platforms:
http://www.ryandoherty.net/2008/07/13/unicorns-and-scalability/
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How can I keep Bootstrap popovers alive while being hovered?
...ap-css@*" data-semver="3.2.0" rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" />
<script data-require="jquery@*" data-semver="2.1.1" src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script data-require="bootstr...
Visual Studio 2010 isn't building before a run when there are code changes
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That's a bug. Want to submit it to connect.microsoft.com?
– Hans Passant
Apr 15 '10 at 17:18
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How to make an empty div take space
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it works if you remove floating. http://jsbin.com/izoca/2/edit
with floats it only works if theres some content e.g. &nbsp;
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Asynctask vs Thread in android
... there are lot of good resources over internet which may help you:
http://www.vogella.com/articles/AndroidBackgroundProcessing/article.html
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How can I clear the SQL Server query cache?
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Here is some good explaination. check out it.
http://www.mssqltips.com/tip.asp?tip=1360
CHECKPOINT;
GO
DBCC DROPCLEANBUFFERS;
GO
From the linked article:
If all of the performance testing is conducted in SQL Server the best approach may be to issue a CHECKPOINT and th...
Are +0 and -0 the same?
...count in our code and I, personally, don't want to do that ;)
Note:
ES2015 introduces a new comparison method, Object.is. Object.is explicitly distinguishes between -0 and +0:
Object.is(-0, +0); // false
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