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How to get a key in a JavaScript object by its value?

I have a quite simple JavaScript object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually? ...
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What Java ORM do you prefer, and why? [closed]

It's a pretty open ended question. I'll be starting out a new project and am looking at different ORMs to integrate with database access. ...
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Why is it common to put CSRF prevention tokens in cookies?

I'm trying to understand the whole issue with CSRF and appropriate ways to prevent it. (Resources I've read, understand, and agree with: OWASP CSRF Prevention CHeat Sheet , Questions about CSRF .) ...
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MySQL high CPU usage [closed]

...ondly I'd say you want to double check your MySQL users, just to make sure it's not possible for anyone to be connecting from a remote server. This is also a major security thing to check. Thirdly I'd say you want to turn on the MySQL Slow Query Log to keep an eye on any queries that are taking a l...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays? 8 Answers ...
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How to disable all caps menu titles in Visual Studio

I assume the title is self explanatory. Just want to change the look of the Visual Studio 2012 not to show menu title in all capital letters. ...
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What does the “===” operator do in Ruby? [duplicate]

I've seen it used a few times lately but can't figure out what it does. Can anyone illustrate how it works? 3 Answers ...
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SQL injection that gets around mysql_real_escape_string()

Is there an SQL injection possibility even when using mysql_real_escape_string() function? 4 Answers ...
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Is it possible to specify a different ssh port when using rsync?

... Although this isn't the most obvious answer it is still a very good answer. It's worth using SSH config for any host you connect to more than once or twice as it'll save you a lot of thinking and typing. – John Hunt Apr 28 '14 at ...
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CSS selector for first element with class

I have a bunch of elements with a class name red , but I can't seem to select the first element with the class="red" using the following CSS rule: ...