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How do I run a Ruby file in a Rails environment?
... almost does what I want to do, but I'd like to just give it the file name and arguments. I'm pretty sure this is possible since I've done it before. Can someone remind me how to do this?
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What exactly is the meaning of an API? [closed]
I've searched for the definition of an API in a programming language and I am still finding it hard to understand.
13 Answe...
Open firewall port on CentOS 7
I am using CentOS 7 and I have to ensure that ports 2888 and 3888 are open.
12 Answers
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Removing ul indentation with CSS
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This code will remove the indentation and list bullets.
ul {
padding: 0;
list-style-type: none;
}
http://jsfiddle.net/qeqtK/2/
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Programmatically align a toolbar on top of the iPhone keyboard
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As of iOS 3.2 there's a new way to achieve this effect:
UITextFields and UITextViews have an inputAccessoryView property, which you can set to any view, that is automatically displayed above and animated with the keyboard.
Note that the view you use should neither be in the view hierarchy els...
Why is Node.js single threaded? [closed]
... run on the same thread (they can even share the same variables!) I understand that I/O operations are event-based so they don't block the main thread loop.
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Installing SciPy with pip
... not lost, however; pip can install from Subversion (SVN), Git, Mercurial, and Bazaar repositories. SciPy uses SVN:
pip install svn+http://svn.scipy.org/svn/scipy/trunk/#egg=scipy
Update (12-2012):
pip install git+https://github.com/scipy/scipy.git
Since NumPy is a dependency, it should be ins...
Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
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I generally install Apache + PHP + MySQL by-hand, not using any package like those you're talking about.
It's a bit more work, yes; but knowing how to install and configure your environment is great -- and useful.
The first time, you'll need maybe half a day or a day ...
How to insert element as a first child?
... the problem with this solution is that it inserts as the first child and not before the list children, if the parent container contains different children elements and one wants to insert before a specific group of child nodes, this will not work.
– Aurovrata
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Is there a command to list all Unix group names? [closed]
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To list all local groups which have users assigned to them, use this command:
cut -d: -f1 /etc/group | sort
For more info- >
Unix groups,
Cut command,
sort command
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