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Rails - How to use a Helper Inside a Controller
While I realize you are supposed to use a helper inside a view, I need a helper in my controller as I'm building a JSON object to return.
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Pull request vs Merge request
What is the difference between a Pull request and a Merge request?
6 Answers
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Why does Double.NaN==Double.NaN return false?
I was just studying OCPJP questions and I found this strange code:
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What are file descriptors, explained in simple terms?
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12 Answers
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Real World Use of Zookeeper [closed]
I've been looking at Zookeeper recently and wondered whether anybody was using it currently and what they were specifically using it for storing.
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How to run multiple shells on Emacs
I am using Emacs 23.3.1 on windows 7. I know that I can run shell from emacs using M-x shell. I would like to have multiple shell windows in the same time, but typing M-x shell a second time just opens me the same shell window.
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If a DOM Element is removed, are its listeners also removed from memory?
If a DOM Element is removed, are its listeners removed from memory too?
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JavaScript variables declare outside or inside loop?
In AS3 I believe you should initialise all variables outside loops for increased performance. Is this the case with JavaScript as well? Which is better / faster / best-practice?
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Executing Shell Scripts from the OS X Dock?
How do I set up a shell script to execute from the Mac OSX dock? It seems that simply creating a shortcut will open the file in my editor. Is there a flag I need to set somewhere to tell it to run instead of opening it for editing?
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What's the Hi/Lo algorithm?
What's the Hi/Lo algorithm?
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