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Common MySQL fields and their appropriate data types

...e, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as these. For instance, I have determined that an unformatted US phone number i...
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)

... The following is the justification for this behavior: blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/380637 – Matt Briançon Aug 16 '11 at 16:17 ...
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Splitting a list into N parts of approximately equal length

What is the best way to divide a list into roughly equal parts? For example, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements. ...
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Why does 2 mod 4 = 2?

I'm embarrassed to ask such a simple question. My term does not start for two more weeks so I can't ask a professor, and the suspense would kill me. ...
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)

Recently I've found MessagePack , an alternative binary serialization format to Google's Protocol Buffers and JSON which also outperforms both. ...
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Best practices/guidance for maintaining assembly version numbers

I'm looking for pointers, suggestions, and even dictation on how to manage the three different assembly version numbers for a .NET assembly. The Product version is the simplest, as this seems would normally be dictated by business. Then, the file version seems to be for versioning between deploym...
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How do we control web page caching, across all browsers?

...e shown us that not all browsers respect the HTTP cache directives in a uniform manner. 29 Answers ...
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How can I set the aspect ratio in matplotlib?

...lowing solution: import matplotlib.pyplot as plt import numpy as np def forceAspect(ax,aspect=1): im = ax.get_images() extent = im[0].get_extent() ax.set_aspect(abs((extent[1]-extent[0])/(extent[3]-extent[2]))/aspect) data = np.random.rand(10,20) fig = plt.figure() ax = fig.add_sub...
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting

... For fitting y = A + B log x, just fit y against (log x). >>> x = numpy.array([1, 7, 20, 50, 79]) >>> y = numpy.array([10, 19, 30, 35, 51]) >>> numpy.polyfit(numpy.log(x), y, 1) array([ 8.46295607, ...
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How to debug a GLSL shader?

...ying to output text, output something visually distinctive to the screen. For example you can paint something a specific color only if you reach the point of your code where you want add a printf. If you need to printf a value you can set the color according to that value. ...