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How does variable assignment work in JavaScript?
...perty of an existing object. In the second example, you are assigning a brand new object.
a = b = {};
a and b are now pointers to the same object. So when you do:
a.foo = 'bar';
It sets b.foo as well since a and b point to the same object.
However!
If you do this instead:
a = 'bar';
you...
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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Get integer value from string in swift
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Rotating and spacing axis labels in ggplot2
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In the newest version of ggplot2 the command would be: q + theme(axis.text.x=element_text(angle = -90, hjust = 0))
– rnorberg
Sep 28 '12 at 13:18
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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 ...
Is there a way to filter network requests using Google Chrome developer tools?
...t just exclude images, but it should help.
You can also press Control/Command+F to search for a particular string in the request list, and check the "filter" box to hide requests that don't match:
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List the queries running on SQL Server
...ly running on MS SQL Server (either through the Enterprise Manager or SQL) and/or who's connected?
17 Answers
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Turning off auto indent when pasting text into vim
...ersome. That's why I map <F3> such that it can switch between paste and nopaste modes while editing the text! I add this to .vimrc
set pastetoggle=<F3>
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