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Tool to read and display Java .class versions
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Use the javap tool that comes with the JDK. The -verbose option will print the version number ...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
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Can hash tables really be O(1)?
It seems to be common knowledge that hash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
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Changing the “tick frequency” on x or y axis in matplotlib?
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Underscore: sortBy() based on multiple attributes
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How many files can I put in a directory?
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pyplot scatter plot marker size
...d the output they produce.
# doubling the width of markers
x = [0,2,4,6,8,10]
y = [0]*len(x)
s = [20*4**n for n in range(len(x))]
plt.scatter(x,y,s=s)
plt.show()
gives
Notice how the size increases very quickly. If instead we have
# doubling the area of markers
x = [0,2,4,6,8,10]
y = [0]*len(...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
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Generate colors between red and green for a power meter?
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