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What is the standard way to add N seconds to datetime.time in Python?
...delta from the date above, you'll get an "OverflowError: date value out of range" error as the year for a datetime object cannot be smaller than 1
– pheelicks
Nov 29 '11 at 5:23
2
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Is there a better way to run a command N times in bash?
...erre: The brace expansion form can't use variables (easily) to specify the range in Bash.
– Paused until further notice.
Sep 17 '10 at 19:02
5
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Sorting list based on values from another list?
... [ 0, 1, 1, 0, 1, 2, 2, 0, 1]
sorted_y_idx_list = sorted(range(len(Y)),key=lambda x:Y[x])
Xs = [X[i] for i in sorted_y_idx_list ]
print( "Xs:", Xs )
# prints: Xs: ["a", "d", "h", "b", "c", "e", "i", "f", "g"]
Note that the sorted index list can also be gotten using numpy.argsort...
Format JavaScript date as yyyy-mm-dd
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How to increment more 30 days in range 1~31?
– Steve Angello
Feb 22 '19 at 16:19
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How to insert text at beginning of a multi-line selection in vi/Vim
... for the entire file
Instead of the % character you can use a line number range (note that the '^' character is a special search character for the start of line):
:14,20s/^/#/
Inserts a '#' character at the start of lines 14-20
If you want to use another comment character (like //) then change ...
virtualenv --no-site-packages and pip still finding global packages?
...use the global pip, this is what we get:
$ pip freeze
...
pyxdg==0.25
...
range==1.0.0
...
virtualenv==13.1.2
That is, all the packages that pip has installed in the whole system. By checking which pip we get (at least in my case) something like /usr/local/bin/pip, meaning that when we do pip fre...
Counting DISTINCT over multiple columns
...t longer, Checksum just returns an int, so if you'd checksum a full bigint range you'll end up with a distinct count about 2 billion times smaller than there actually is. -1
– pvolders
Jul 23 '14 at 7:53
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SQL query to select dates between two dates
...of date 00:00:00.000, if you want to be sure you get all the dates in your range, you must either supply the time for your ending date or increase your ending date and use <.
select Date,TotalAllowance from Calculation where EmployeeId=1
and Date between '2011/02/25' and '2011/02/27 23:59:59.99...
Extract subset of key-value pairs from Python dictionary object?
...dint(100000, size=10000)
...: bigdict = dict([(_, nprnd.rand()) for _ in range(100000)])
...:
...: %timeit {key:bigdict[key] for key in keys}
...: %timeit dict((key, bigdict[key]) for key in keys)
...: %timeit dict(map(lambda k: (k, bigdict[k]), keys))
...: %timeit {key:bigdict[key] for...
How to git commit a single file/directory
..., with git log the -- prevents a path from being interpreted as a revision range instead)
– Lily Ballard
Dec 4 '19 at 6:51
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