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Uniq by object attribute in Ruby
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LaneLane
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How to select rows from a DataFrame based on column values?
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4135
To select rows whose column value equals a scalar, some_value, use ==:
df.loc[df['column_name'...
How to loop through all but the last item of a list?
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324
for x in y[:-1]
If y is a generator, then the above will not work.
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How do you remove a specific revision in the git history?
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To combine revision 3 and 4 into a single revision, you can use git rebase. If you want to remove the changes in revision 3, you need to use the edit command in the interactive rebase mode. If you want to combine the changes into a single revisi...
What is the `data-target` attribute in Bootstrap 3?
...he system or behavior behind the data-target attribute used by Bootstrap 3?
2 Answers
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C++11 reverse range-based for-loop
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234
Actually Boost does have such adaptor: boost::adaptors::reverse.
#include <list>
#inclu...
Re-ordering columns in pandas dataframe based on column name [duplicate]
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399
df = df.reindex(sorted(df.columns), axis=1)
This assumes that sorting the column names will ...
How to use a custom comparison function in Python 3?
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53
Use the key argument (and follow the recipe on how to convert your old cmp function to a key fun...
Iterate through a C++ Vector using a 'for' loop
... sifferman
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answered Oct 3 '12 at 5:59
Alok SaveAlok Save
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How to remove focus border (outline) around text/input boxes? (Chrome) [duplicate]
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edited Apr 19 at 10:37
johannchopin
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answer...