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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...Quake III source code which calculates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular i...
Signal handling with multiple threads in Linux
...s.
In 2.6, SIGTERM will cause child threads to exit "cleanly", where as 2.4, child threads were left in an indeterminate state.
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Difference between and text
...AbelAbel
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How to add an Access-Control-Allow-Origin header
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Waheed
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What are “first class” objects?
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Mehul Kabaria
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answered Oct 28 '08 at 23:49
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MySQL stored procedure vs function, which would I use when?
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Eng.Fouad
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Why are margin/padding percentages in CSS always calculated against width?
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Ryan KinalRyan Kinal
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What is the difference between Ruby 1.8 and Ruby 1.9
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How can I improve my paw detection?
...never actually displayed)
im = ax.imshow(infile.next()[1])
# Make 4 rectangles that we can later move to the position of each paw
rects = [Rectangle((0,0), 1,1, fc='none', ec='red') for i in range(4)]
[ax.add_patch(rect) for rect in rects]
title = ax.set_title('Time 0.0 ms')
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What is the benefit of using Fragments in Android, rather than Views?
When developing for Android , you can set your target (or minimum) sdk to 4 (API 1.6) and add the android compatibility package (v4) to add support for Fragments . Yesterday I did this and successfully implemented Fragments to visualize data from a custom class.
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