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Divide a number by 3 without using *, /, +, -, % operators
How would you divide a number by 3 without using * , / , + , - , % , operators?
48 Answers
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Is there a Python function to determine which quarter of the year a date is in?
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13 Answers
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Delete an element from a dictionary
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answered Apr 30 '11 at 21:25
Greg HewgillGreg Hewgill
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Regular expression for matching HH:MM time format
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375
Your original regular expression has flaws: it wouldn't match 04:00 for example.
This may wor...
Finding the mode of a list
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vinzee
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answered Jan 24 '15 at 20:08
David DaoDavid Dao
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xkcd style graphs in MATLAB
...t a transformation.
%# define plot data
x = 1:0.1:10;
y1 = sin(x).*exp(-x/3) + 3;
y2 = 3*exp(-(x-7).^2/2) + 1;
%# plot
fh = figure('color','w');
hold on
plot(x,y1,'b','lineWidth',3);
plot(x,y2,'w','lineWidth',7);
plot(x,y2,'r','lineWidth',3);
xlim([0.95 10])
ylim([0 5])
set(gca,'fontName','Comic ...
How do I get indices of N maximum values in a NumPy array?
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365
The simplest I've been able to come up with is:
In [1]: import numpy as np
In [2]: arr = np....
pandas: filter rows of DataFrame with operator chaining
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398
I'm not entirely sure what you want, and your last line of code does not help either, but anyw...
How to add an integer to each element in a list?
If I have list=[1,2,3] and I want to add 1 to each element to get the output [2,3,4] ,
how would I do that?
11 Answers...
Frequency table for a single variable
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153
Maybe .value_counts()?
>>> import pandas
>>> my_series = pandas.Series([1,2,2...