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VIM + JSLint?
...instructions updated for Nov. 2012. Assumes you have Homebrew installed in order to get Node.js, and that you've already installed Syntastic for Vim (I use https://github.com/carlhuda/janus which provides this automatically):
$ brew install node.js
$ npm install -g jshint
Then add '/usr/local/sha...
How to pad zeroes to a string?
...mat strings: '{:03d} {:03d}'.format(1, 2) implicitly assigns the values in order.
– Dragon
Jul 8 '16 at 11:32
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How can you represent inheritance in a database?
... belongs to. Won't you still have to do a JOIN with all of the subtypes in order to get all of the policy details?
– Adam
Mar 7 '16 at 20:26
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How to check if a user likes my Facebook Page or URL using Facebook's API
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Understanding ibeacon distancing
...info form accelerometer to detect whether user is moving (and how fast) in order to reset the previous distribution distance values because they have certainly changed.
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Get the name of an object's type
...stanceof Boolean // false
The literals need to be wrapped in an Object in order for instanceof to work, for example
new Number(3) instanceof Number // true
The .constructor check works fine for literals because the . method invocation implicitly wraps the literals in their respective object type
3...
Finding local maxima/minima with Numpy in a 1D numpy array
...max_peakind = signal.find_peaks_cwt(data, np.arange(1,10))
# inverse (in order to find minima)
inv_data = 1/data
# minima : use builtin function fo find (min) peaks (use inversed data)
min_peakind = signal.find_peaks_cwt(inv_data, np.arange(1,10))
#show results
print "maxima", data[max_peakind]
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How to extract the year from a Python datetime object?
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Select first 4 rows of a data.frame in R
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Some font-size's rendered larger on Safari (iPhone)
...en’s resolution). Many web designers use pixel units in web documents in order to produce a pixel-perfect representation of their site as it is rendered in the browser. One problem with the pixel unit is that it does not scale upward for visually-impaired readers or downward to fit mobile devices....