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Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g....
Append column to pandas dataframe
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It seems in general you're just looking for a join:
> dat1 = pd.DataFrame({'dat1': [9,5]})...
Approximate cost to access various caches and main memory?
Can anyone give me the approximate time (in nanoseconds) to access L1, L2 and L3 caches, as well as main memory on Intel i7 processors?
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How to copy a dictionary and only edit the copy
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Python never implicitly copies objects. When you set dict2 = dict1, you are making them refer to the same exact dict object, so when you mutate it, all references to it keep referring to the object in its current state.
If you want to copy the dict (which is rare), you have to do so expli...
How can I create a UIColor from a hex string?
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Filter dict to contain only certain keys?
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Redirecting Output from within Batch file
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Most efficient way to prepend a value to an array
...more efficient way of prepending to the array that would not require O(N + 1) steps?
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Setting different color for each series in scatter plot on matplotlib
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import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in range(10)]
colors = cm.rainbow(np.linspace(0, 1, len(ys)))
for y, c in zip(ys, colors):
plt.scatter(x, y, color=c)
Or you can make your own colour cycler using itertools.cycle and specif...
How to get the input from the Tkinter Text Widget?
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To get Tkinter input from the text box, you must add a few more attributes to the normal .get(...