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Add column with number of days between dates in DataFrame pandas
...etime
Out[11]:
A datetime64[ns]
B datetime64[ns]
dtype: object
In [12]: df['A'] - df['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns]
In [13]: df['C'] = df['A'] - df['B']
In [14]: df
Out[14]:
A B C
one 2014-01-01 2014-02-28 -58 days
two 2014-02...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...
261
reduce vs foldLeft
A big big difference, not mentioned in any other stackoverflow answer rela...
What is the best way to give a C# auto-property an initial value?
...
22 Answers
22
Active
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Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
...
2 Answers
2
Active
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Moment js date time comparison
...A few other things:
There's an error in the first line:
var date_time = 2013-03-24 + 'T' + 10:15:20:12 + 'Z'
That's not going to work. I think you meant:
var date_time = '2013-03-24' + 'T' + '10:15:20:12' + 'Z';
Of course, you might as well:
var date_time = '2013-03-24T10:15:20:12Z';
You...
Can I safely delete contents of Xcode Derived data folder?
...hings that ~/Library/Developer/Xcode/DerivedData directory is taking about 22GB of disk space.
13 Answers
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Does ruby have real multithreading?
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612
Updated with Jörg's Sept 2011 comment
You seem to be confusing two very different things here:...
Break a previous commit into multiple commits
...as farther back in the tree than you want to count, then
$ git rebase -i 123abcd~
where 123abcd is the SHA1 of the commit you want to split up.
If you are on a different branch (e.g., a feature branch) that you plan to merge into master:
$ git rebase -i master
When you get the rebase edit scr...
Correct idiom for managing multiple chained resources in try-with-resources block?
... that has been fixed for some time, expect it from other implementations.
2)
try (
FileWriter fw = new FileWriter(file);
BufferedWriter bw = new BufferedWriter(fw)
) {
bw.write(text);
}
We're still flushing in the implicit finally block (now with repeated close - this gets worse as y...
Web API Routing - api/{controller}/{action}/{id} “dysfunctions” api/{controller}/{id}
...thActionApi" rule because once id is optional, url like "/api/{part1}/{part2}" will never goes into "DefaultApi".
Add an named action to your "DefaultApi" to tell the route engine which action to enter. Otherwise once you have more than one actions in your controller, the engine won't know which one...