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Pandas conditional creation of a series/dataframe column
...color'] = np.where(df['Set']=='Z', 'green', 'red')
For example,
import pandas as pd
import numpy as np
df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')})
df['color'] = np.where(df['Set']=='Z', 'green', 'red')
print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 ...
git - merge conflict when local is deleted but file exists in remote
I am very new to git and wondered how I should go about a merge where in the local repo I have deleted several files on the master branch but these files exist within the remote master branch.
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Best way to check if a Data Table has a null value in it
...
Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see fit.
foreach(DataRow row in table.Rows)
{
object value = row["ColumnName"];
if (value == DBNull.Value)
// do something
else
// do something else
}
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Should I Stop Stopwatch at the end of the method?
... It doesn't prevent anything, he's creating the stopwatch in the method and not returning it, so he won't be able to get a hold of it later to "make mistakes with".
– Ronan Thibaudau
Jun 10 '14 at 12:23
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How to Sort Multi-dimensional Array by Value?
...t($myArray, function($a, $b) {
return $a['order'] - $b['order'];
});
And finally with PHP 7 you can use the spaceship operator:
usort($myArray, function($a, $b) {
return $a['order'] <=> $b['order'];
});
To extend this to multi-dimensional sorting, reference the second/third sortin...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
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'any' vs 'Object'
I am looking at TypeScript code and noticed that they use:
6 Answers
6
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Change branch base
... demo PRO
Basically, you take all the commits from after demo up to PRO, and rebase them onto the master commit.
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Using the slash character in Git branch name
...oes not already exist (as in this thread)?
You can't have both a file, and a directory with the same name.
You're trying to get git to do basically this:
% cd .git/refs/heads
% ls -l
total 0
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master
% mkd...
How to load/edit/run/save text files (.py) into an IPython notebook cell?
... individual cells of an open IPython notebook so that they can edited, run and then saved. Can this be done?
4 Answers
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