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Select by partial string from a pandas DataFrame
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845
Based on github issue #620, it looks like you'll soon be able to do the following:
df[df['A'].s...
How to count the number of set bits in a 32-bit integer?
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55 Answers
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Matplotlib plots: removing axis, legends and white spaces
...numpy import random
import matplotlib.pyplot as plt
data = random.random((5,5))
img = plt.imshow(data, interpolation='nearest')
img.set_cmap('hot')
plt.axis('off')
plt.savefig("test.png", bbox_inches='tight')
share
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
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5 Answers
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Difference between pre-increment and post-increment in a loop?
...ference as you're not using the return value of i:
for (int i = 0; i < 5; i++) { Console.Write(i);}
Console.WriteLine("");
for (int i = 0; i < 5; ++i) { Console.Write(i); }
0 1 2 3 4
0 1 2 3 4
If the value as evaluated is used then the type of increment becomes significant:
int n =...
How to round a number to n decimal places in Java
...ich rounds using the half-up method - i.e. if the decimal to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations.
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How do I Sort a Multidimensional Array in PHP [duplicate]
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215
You can use array_multisort()
Try something like this:
foreach ($mdarray as $key => $row) {...
How to export revision history from mercurial or git to cvs?
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answered Feb 25 '09 at 14:42
Brian PhillipsBrian Phillips
11.6k33 gold badges2727 silver badges2626 bronze badges
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Python str vs unicode types
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answered Aug 3 '13 at 15:32
BakuriuBakuriu
80.4k1616 gold badges164164 silver badges194194 bronze badges
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REST, HTTP DELETE and parameters
...t of a request).
Two examples how to do this in UI would be to:
pre-HTML5:* show a JS confirmation dialog to the user, and send the request only if the user confirms it
HTML5:* use a form with action DELETE where the form would contain only "Confirm" and "Cancel" buttons ("Confirm" would be the s...