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Add column with number of days between dates in DataFrame pandas
...days' text element, you can also make use of the dt() accessor for series: https://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.dt.html
So,
df[['A','B']] = df[['A','B']].apply(pd.to_datetime) #if conversion required
df['C'] = (df['B'] - df['A']).dt.days
which returns:
...
How to set the title of DialogFragment?
...eUploader: {
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Chrome desktop notification example [closed]
...n HTML file on your site/application, and make sure to use localhost:// or HTTPS.
// request permission on page load
document.addEventListener('DOMContentLoaded', function() {
if (!Notification) {
alert('Desktop notifications not available in your browser. Try Chromium.');
return;
}
...
Given an emacs command name, how would you find key-bindings ? (and vice versa)
... Having which-key around has helped me discover many rare gems in Emacs.
https://github.com/justbur/emacs-which-key
Guide key
Guide key works in much the same way as which-key I'd recommend taking a look at it to compare features.
https://github.com/kai2nenobu/guide-key
...
How to do a join in linq to sql with method syntax?
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Crontab Day of the Week syntax
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Connect to a heroku database with pgadmin
... you're forcing SSL in your client.
Edit:
Answered more thoroughly here: https://dba.stackexchange.com/questions/21869/connecting-pgadmin3-to-postgres-on-heroku
We don't allow connections to the postgres database, so be sure to set Maintenance DB to your database name, and be sure to use SSL.
Th...
Template default arguments
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JavaScript listener, “keypress” doesn't detect backspace?
...keyup for alt, shift
This shouldn't be surprising because according to https://api.jquery.com/keypress/:
Note: as the keypress event isn't covered by any official
specification, the actual behavior encountered when using it may
differ across browsers, browser versions, and platforms.
T...
Ruby regular expression using variable name
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