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How do I find the time difference between two datetime objects in python?
...time
>>> seconds_in_day = 24 * 60 * 60
datetime.timedelta(0, 8, 562000)
>>> divmod(difference.days * seconds_in_day + difference.seconds, 60)
(0, 8) # 0 minutes, 8 seconds
Subtracting the later time from the first time difference = later_time - first_time creates a datetime ...
Creating a new dictionary in Python
...ntly CPython 2.7 dict() is slower (6 times slower?), See: doughellmann.com/2012/11/… In any case I am starting to prefer the constructor syntax anyways since I find it easier to type and move code between dicts and function calls.
– David Wheaton
Mar 5 '13 at...
AWK: Access captured group from line pattern
...
Apparently someone disagrees. This web page is from 2005 : tek-tips.com/faqs.cfm?fid=5674 It confirms that you cannot reuse matched groups in awk.
– Peter Tillemans
Jun 2 '10 at 13:00
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strdup() - what does it do in C?
...forms.
– ArtOfWarfare
Feb 28 '15 at 20:20
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How to delete multiple files at once in Bash on Linux?
...exact case would be handled by brace expansion, like so:
$ rm -rf abc.log.2012-03-{14,27,28}
The above would expand to a single command with all three arguments, and be equivalent to typing:
$ rm -rf abc.log.2012-03-14 abc.log.2012-03-27 abc.log.2012-03-28
It's important to note that this expa...
nonlocal keyword in Python 2.x
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user2357112 supports Monica
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answered Jul 6 '10 at 22:50
Chris B.Chri...
Parse date string and change format
I have a date string with the format 'Mon Feb 15 2010'. I want to change the format to '15/02/2010'. How can I do this?
9...
Casting a variable using a Type variable
...
208
Here is an example of a cast and a convert:
using System;
public T CastObject<T>(objec...
Rename column SQL Server 2008
I am using SQL Server 2008 and Navicat. I need to rename a column in a table using SQL.
11 Answers
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Why is String.chars() a stream of ints in Java 8?
...oriented purity.
This is a tradeoff we're still living with today, nearly 20 years later. The autoboxing feature added in Java 5 mostly eliminated the need to clutter source code with boxing and unboxing method calls, but the overhead is still there. In many cases it's not noticeable. However, if y...