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How to find the installed pandas version
...sion__:
In [76]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
------------------
commit:...
How to remove convexity defects in a Sudoku square?
...sk"}][[All,
2]];
largestComponent = Image[SortBy[components, First][[-1, 2]]]
By filling this image, I get a mask for the sudoku grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative filter to find the vertical and horizontal lines in two separate images...
Javascript and regex: split string and keep the separator
...
106
Use (positive) lookahead so that the regular expression asserts that the special character exi...
Is there a difference between x++ and ++x in java?
...
16 Answers
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How to convert a Binary String to a base 10 integer in Java
...without leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider:
9 Answers
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What is the syntax to insert one list into another list in python?
...
Do you mean append?
>>> x = [1,2,3]
>>> y = [4,5,6]
>>> x.append(y)
>>> x
[1, 2, 3, [4, 5, 6]]
Or merge?
>>> x = [1,2,3]
>>> y = [4,5,6]
>>> x + y
[1, 2, 3, 4, 5, 6]
>>> x.extend(y)
>&g...
How to use if - else structure in a batch file?
...
112
Your syntax is incorrect. You can't use ELSE IF. It appears that you don't really need it anyw...
Why does ~True result in -2?
...
int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a negative sign (s...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...
13 Answers
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