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Change the name of a key in dictionary
I want to change the key of an entry in a Python dictionary.
15 Answers
15
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How to get ASCII value of string in C#
I want to get the ASCII value of characters in a string in C#.
15 Answers
15
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
I am making some matrix multiplication benchmarking, as previously mentioned in
Why is MATLAB so fast in matrix multiplication?
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Allow User to input HTML in ASP.NET MVC - ValidateInput or AllowHtml
How can I allow a user to input HTML into a particular field using ASP.net MVC.
11 Answers
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Understanding “randomness”
... sample simulated through a pseudo-random variable:
BarChart[BinCounts[RandomReal[{0, 1}, 50000], 0.01]]
While this is the distribution you get after multiplying two random variables:
BarChart[BinCounts[Table[RandomReal[{0, 1}, 50000] *
R...
Can I use the range operator with if statement in Swift?
...to use the range operator ... and ..< with if statement. Maye something like this:
6 Answers
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How do I write JSON data to a file?
I have JSON data stored in the variable data .
14 Answers
14
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Hash Map in Python
I want to implement a HashMap in Python. I want to ask a user for an input. depending on his input I am retrieving some information from the HashMap. If the user enters a key of the HashMap, I would like to retrieve the corresponding value.
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Syntax behind sorted(key=lambda: …)
I don't quite understand the syntax behind the sorted() argument:
9 Answers
9
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Setting different color for each series in scatter plot on matplotlib
...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 specifying the colours you want to ...