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HTML5 Canvas Resize (Downscale) Image High Quality?
I use html5 canvas elements to resize images im my browser. It turns out that the quality is very low. I found this: Disable Interpolation when Scaling a <canvas> but it does not help to increase the quality.
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Reverse colormap in matplotlib
I would like to know how to simply reverse the color order of a given colormap in order to use it with plot_surface.
7 Answ...
Regex to validate date format dd/mm/yyyy
I need to validate a date string for the format dd/mm/yyyy with a regular expresssion.
20 Answers
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Generate random numbers with a given (numerical) distribution
I have a file with some probabilities for different values e.g.:
13 Answers
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Easy pretty printing of floats in python?
I have a list of floats. If I simply print it, it shows up like this:
18 Answers
18
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How can I repeat a character in Bash?
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32 Answers
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How to scale down a range of numbers with a known min and max value
So I am trying to figure out how to take a range of numbers and scale the values down to fit a range. The reason for wanting to do this is that I am trying to draw ellipses in a java swing jpanel. I want the height and width of each ellipse to be in a range of say 1-30. I have methods that find t...
CSS Font Border?
With all the new CSS3 border stuff going on ( -webkit , ...) is it now possible to add a border to your font? (Like the solid white border around the blue Twitter logo). If not, are there any not-too-ugly hacks that will accomplish this in CSS/XHTML or do I still need to fire up Photoshop?
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How to check if a number is a power of 2
Today I needed a simple algorithm for checking if a number is a power of 2.
25 Answers
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initialize a numpy array
Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do:
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