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Which is the fastest algorithm to find prime numbers?
...tp://primes.utm.edu/prove/prove2_3.html and http://forums.nvidia.com/index.php?showtopic=70483
If you just need a way to generate very big prime numbers and don't care to generate all prime numbers < an integer n, you can use Lucas-Lehmer test to verify Mersenne prime numbers. A Mersenne prime n...
Ruby on Rails patterns - decorator vs presenter
... presenters are almost always related to view-like functionality.
Draper site
RailsCasts Draper Episode
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Convert SVG to PNG in Python
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Try this: http://cairosvg.org/
The site says:
CairoSVG is written in pure python and only depends on Pycairo. It is
known to work on Python 2.6 and 2.7.
Update November 25, 2016:
2.0.0 is a new major version, its changelog includes:
Drop Py...
Superscript in markdown (Github flavored)?
... do just about any text manipulation imaginable and render it to an image. Sites like Quicklatex make this quite easy.
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Pandas - Get first row value of a given column
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/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.16.0_19_g8d2818e-py2.7-macosx-10.9-x86_64.egg/pandas/core/indexing.py:118: SettingWithCopyWarning:
A value is trying to be set on a copy of a slice from a DataFrame
See the the caveats in the documenta...
How do I get the SharedPreferences from a PreferenceActivity in Android?
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To see some more examples check Android's Data Storage post on developers site.
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Mark current Line, and navigate through marked lines
...e, i will accept your answer and post it as a request for feature in their site
– André Alçada Padez
Apr 19 '12 at 18:17
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How do I make JavaScript beep?
...r wav files into Data URI format:
https://dopiaza.org/tools/datauri/index.php
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Are braces necessary in one-line statements in JavaScript?
...e follows in all C syntax style languages with bracing. C, C++, Java, even PHP all support one line statement without braces. You have to realize that you are only saving two characters and with some people's bracing styles you aren't even saving a line. I prefer a full brace style (like follows) so...
Confusion between numpy, scipy, matplotlib and pylab
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Another example posted directly on matplotlib's site "Matplotlib, pyplot and pylab: how are they related? Matplotlib is the whole package; matplotlib.pyplot is a module in matplotlib; and pylab is a module that gets installed alongside matplotlib."
– ...