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Formula to determine brightness of RGB color
...rightness? Luminance?
Luminance (standard for certain colour spaces): (0.2126*R + 0.7152*G + 0.0722*B) [1]
Luminance (perceived option 1): (0.299*R + 0.587*G + 0.114*B) [2]
Luminance (perceived option 2, slower to calculate): sqrt( 0.241*R^2 + 0.691*G^2 + 0.068*B^2 ) → sqrt( 0.299*R^2 + 0.587*G...
UIButton Long Press Event
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edited Feb 14 '16 at 23:21
answered Nov 5 '14 at 12:18
al...
Fragment over another fragment issue
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Dmitry ZaytsevDmitry Zaytsev
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mmap() vs. reading blocks
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213
I was trying to find the final word on mmap / read performance on Linux and I came across a ni...
Python: Checking if a 'Dictionary' is empty doesn't seem to work
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Bram Vanroy
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answered Dec 16 '16 at 10:00
Achilles Ram N...
Regex to match only letters
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121
That's a very ASCII-centric solution. This will break on pretty much any non-english text.
– Joachim Sauer
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The preferred way of creating a new element with jQuery
...ar variables.
– Casey
Oct 23 '15 at 21:33
1
where is the documentation for this way of creating e...
Capturing console output from a .NET application (C#)
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Peter Mortensen
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answered Oct 9 '08 at 11:32
mdbmdb
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C# pattern to prevent an event handler hooked twice [duplicate]
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edited Nov 11 '11 at 21:31
answered Jun 1 '09 at 22:58
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Why do loggers recommend using a logger per class?
...t out.
– Will Hartung
Aug 14 '10 at 21:59
7
@will, can you explain that a little more? When logg...