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What does the constant 0.0039215689 represent?
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0.0039215689 is approximately equal to 1/255.
Seeing that this is OpenGL, performance is probably important. So it's probably safe to guess that this was done for performance reasons.
Multiplying by the reciprocal is faster than r...
How to remove leading zeros from alphanumeric text?
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ValueError: math domain error
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Your code is doing a log of a number that is less than or equal to zero. That's mathematically...
What is the Ruby (spaceship) operator?
...roovy is another language that supports it. Basically instead of returning 1 (true) or 0 (false) depending on whether the arguments are equal or unequal, the spaceship operator will return 1, 0, or −1 depending on the value of the left argument relative to the right argument.
a <=> b :=
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Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=3
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Warning: Found conflicts between different versions of the same dependent assembly
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
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Okay, I finally have a real answer. I sort of worked it out on my own, but only after Lucian Wis...
Is SQL or even TSQL Turing Complete?
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edited Nov 11 '13 at 4:45
Qantas 94 Heavy
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Pandas dataframe get first row of each group
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>>> df.groupby('id').first()
value
id
1 first
2 first
3 first
4 second
5 first
6 first
7 fourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 seco...
What are Vertex Array Objects?
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"Vertex Array Object" is brought to you by the OpenGL ARB Subcommittee for Silly Names.
Think...