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How to return a part of an array in Ruby?
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195
Yes, Ruby has very similar array-slicing syntax to Python. Here is the ri documentation for the ...
Generate random numbers with a given (numerical) distribution
....random.choice(), e.g.
numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
If you are using Python 3.6 or above, you can use random.choices() from the standard library – see the answer by Mark Dickinson.
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How do I select elements of an array given condition?
Suppose I have a numpy array x = [5, 2, 3, 1, 4, 5] , y = ['f', 'o', 'o', 'b', 'a', 'r'] . I want to select the elements in y corresponding to elements in x that are greater than 1 and less than 5.
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Mercurial move changes to a new branch
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153
As suggested by Mark, the MqExtension is one solution for you problem. IMHO a simpler workflow ...
Android OpenGL ES and 2D
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85
I was in a similar situation.
The way I started with openGL with start by looking at the very ba...
Named colors in matplotlib
... col = i // nrows
y = Y - (row * h) - h
xi_line = w * (col + 0.05)
xf_line = w * (col + 0.25)
xi_text = w * (col + 0.3)
ax.text(xi_text, y, name, fontsize=(h * 0.8),
horizontalalignment='left',
verticalalignment='center')
ax.hlines(y + h * 0.1, xi...
How is Math.Pow() implemented in .NET Framework?
...oking for an efficient approach for calculating a b (say a = 2 and b = 50 ). To start things up, I decided to take a look at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this:
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How to write a cron that will run a script every day at midnight?
...y day of every month.)
Syntax:
mm hh dd mt wd command
mm minute 0-59
hh hour 0-23
dd day of month 1-31
mt month 1-12
wd day of week 0-7 (Sunday = 0 or 7)
command: what you want to run
all numeric values can be replaced by * which means all
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How does zip(*[iter(s)]*n) work in Python?
...ip(), and it pulls an item from the iterator each time.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x, x, x)
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