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Rounding up to next power of 2
.... You need to get the base 2 logarithm, then add 1 to that. Example for a 32-bit value:
Round up to the next highest power of 2
unsigned int v; // compute the next highest power of 2 of 32-bit v
v--;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 1...
How to get the pure text without HTML element using JavaScript?
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edited Aug 3 '17 at 0:32
answered Jul 19 '11 at 8:08
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Controlling fps with requestAnimationFrame?
...c frame rate
Demo throttling at 5 FPS: http://jsfiddle.net/m1erickson/CtsY3/
This method works by testing the elapsed time since executing the last frame loop.
Your drawing code executes only when your specified FPS interval has elapsed.
The first part of the code sets some variables used to cal...
How do I implement a callback in PHP?
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173
The manual uses the terms "callback" and "callable" interchangeably, however, "callback" traditi...
How to auto-reload files in Node.js?
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edited Aug 31 '15 at 15:56
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answered Jan 18 '13 at 19:17
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Cmake doesn't find Boost
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103
Are you sure you are doing it the correct way? The idea is that CMake sets BOOST_INCLUDE_DIR, BO...
Installing SciPy with pip
...p://sourceforge.net/project/showfiles.php?group_id=27747&package_id=19531
Reading http://new.scipy.org/Wiki/Download
All is not lost, however; pip can install from Subversion (SVN), Git, Mercurial, and Bazaar repositories. SciPy uses SVN:
pip install svn+http://svn.scipy.org/svn/scipy/trunk/#...
matplotlib does not show my drawings although I call pyplot.show()
...(range(20),range(20))
Out[2]: [<matplotlib.lines.Line2D object at 0xa64932c>]
In [3]: p.show()
If you edit ~/.matplotlib/matplotlibrc and change the backend to something like GtkAgg, you should see a plot. You can list all the backends available on your machine with
import matplotlib.rcs...