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How to initialize a dict with keys from a list and empty value in Python?
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dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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Convenient C++ struct initialisation
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Since style A is not allowed in C++ and you don't want style B then how about using style BX:
FooBar fb = { /*.foo=*/ 12, /*.bar=*/ 3.4 }; // :)
At least help at some extent.
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Understanding ibeacon distancing
...t 1 meter away. Each beacon must be calibrated with this txPower value to allow accurate distance estimates.
While the distance estimates are useful, they are not perfect, and require that you control for other variables. Be sure you read up on the complexities and limitations before misusing thi...
Switch statement fallthrough in C#?
Switch statement fallthrough is one of my personal major reasons for loving switch vs. if/else if constructs. An example is in order here:
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Finding local maxima/minima with Numpy in a 1D numpy array
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If you are looking for all entries in the 1d array a smaller than their neighbors, you can try
numpy.r_[True, a[1:] < a[:-1]] & numpy.r_[a[:-1] < a[1:], True]
You could also smooth your array before this step using numpy.convolve().
I...
Can scripts be inserted with innerHTML?
... that you've inserted as DOM text.
MooTools will do this for you automatically, and I'm sure jQuery would as well (depending on the version. jQuery version 1.6+ uses eval). This saves a lot of hassle of parsing out <script> tags and escaping your content, as well as a bunch of other "gotchas...
The 'json' native gem requires installed build tools
I have ruby 1.9.2p180 (2011-02-18) [i386-mingw32] installed on my windows 7 machine. Now I tried to install the JSON gem using the command, "gem install json" and got the following error.
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disable nganimate for some elements
I'm using the ngAnimate module, but all my ng-if , ng-show , etc, are affected by that, I want to leverage ngAnimate for some selected elements.
For performance and some bugs in elements that shows and hide very speedy.
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Running Windows batch file commands asynchronously
... command line return immediately anyway, so to be sure, if you want to run all asynchronously, use START.
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Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
...terminal multiplexer for Microsoft Windows. I was unable to locate the installers for Microsoft Windows for both tmux and GNU Screen.
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