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Standard deviation of a list
...u can use to calculate the mean and standard deviation.
All code below is based on the statistics module in Python 3.4+.
def mean(data):
"""Return the sample arithmetic mean of data."""
n = len(data)
if n < 1:
raise ValueError('mean requires at least one data point')
ret...
iPhone 5 CSS media query
...
64
There is this, which I credit to this blog:
@media only screen and (min-device-width: 560px) a...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...pendency Inject (DI) "friendly" library
BTW, the terminology used here is based on the pattern language from my book.
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jquery-ui sortable | How to get it work on iPad/touchdevices?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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When and why to 'return false' in JavaScript?
...changed it to e.preventDefault() solved a problem with one of my functions based on a namespace touch event. Don’t know why but you gave me the idea. Thanks.
– Garavani
Oct 2 '14 at 12:45
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How do I convert Long to byte[] and back in java
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What does the exclamation mark mean in a Haskell declaration?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to prevent browser page caching in Rails
...ler.rb
After Rails 5:
class ApplicationController < ActionController::Base
before_action :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Control"] = "no-cache, no-store"
response.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Mon, 01 ...
Unicode character for “X” cancel / close?
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64
× &#215; or &times; (same thing) U+00D7 multiplication sign
× same character with a...
What's the difference between the data structure Tree and Graph?
...fference between the data structure Tree and Graph? And how about the tree based search and Graph based search?
10 Answers
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