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Python strftime - date without leading 0?
...time , is there a way to remove the first 0 of the date if it's before the 10th, ie. so 01 is 1 ? Can't find a % thingy for that?
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Struct inheritance in C++
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answered Jun 11 '09 at 3:44
Alex MartelliAlex Martelli
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Bash, no-arguments warning, and case decisions
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178
if [[ $# -eq 0 ]] ; then
echo 'some message'
exit 0
fi
case "$1" in
1) echo 'you ...
HTML File Selection Event
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186
Listen to the change event.
input.onchange = function(e) {
..
};
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List all the modules that are part of a python package?
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145
Yes, you want something based on pkgutil or similar -- this way you can treat all packages ali...
Does List guarantee insertion order?
Say I have 3 strings in a List (e.g. "1","2","3").
5 Answers
5
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Replacement for “rename” in dplyr
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148
dplyr version 0.3 added a new rename() function that works just like plyr::rename().
df <-...
When to use cla(), clf() or close() for clearing a plot in matplotlib?
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edited Jul 6 '18 at 2:08
spinkus
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answ...
In Jinja2, how do you test if a variable is undefined?
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edited Jul 29 '14 at 0:16
Day
8,38533 gold badges4848 silver badges8989 bronze badges
answere...
Find column whose name contains a specific string
...list of column names that match:
import pandas as pd
data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
spike_cols = [col for col in df.columns if 'spike' in col]
print(list(df.columns))
print(spike_cols)
Output:
['hey spke', 'no', ...