大约有 21,000 项符合查询结果（耗时：0.0376秒） [XML]
Converting between datetime, Timestamp and datetime64
...can reproduce the long value on numpy-1.8.0 installed as:
pip install git+https://github.com/numpy/numpy.git#egg=numpy-dev
The same example:
>>> from datetime import datetime
>>> import numpy
>>> numpy.datetime64('2002-06-28T01:00:00.000000000+0100').astype(datetime)
1...
How can I apply a function to every row/column of a matrix in MATLAB?
You can apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop?
...
How to sort objects by multiple keys in Python?
...ve if x < y, zero if x == y
and strictly positive if x > y.
https://portingguide.readthedocs.io/en/latest/comparisons.html#the-cmp-function
"""
return (x > y) - (x < y)
def multikeysort(items, columns):
comparers = [
((i(col[1:].strip()), -1) if col.startsw...
How to “grep” for a filename instead of the contents of a file?
... giving you not only file names. but if a path has a directory ('/xyz_test_123/other.txt') would also comes to the result set.
cheers
share
|
improve this answer
|
follow
...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
I'm working with ASP.NET MVC 4 WebApi and am having a lot of fun with it running it on my local computer on IIS Express. I've configured IIS Express to serve remote machines too, and so other's in my company are using my computer as our webserver.
...
Inserting multiple rows in a single SQL query? [duplicate]
...le:
INSERT INTO MyTable
( Column1, Column2, Column3 )
VALUES
('John', 123, 'Lloyds Office'),
('Jane', 124, 'Lloyds Office'),
('Billy', 125, 'London Office'),
('Miranda', 126, 'Bristol Office');
share
|...
Which selector do I need to select an option by its text?
...
Doesn't this also grab an option with 123abcdef?
– Teepeemm
Mar 6 '18 at 14:26
@T...
Rename a dictionary key
...n entirely new one using a comprehension.
>>> OrderedDict(zip('123', 'abc'))
OrderedDict([('1', 'a'), ('2', 'b'), ('3', 'c')])
>>> oldkey, newkey = '2', 'potato'
>>> OrderedDict((newkey if k == oldkey else k, v) for k, v in _.viewitems())
OrderedDict([('1', 'a'), ('pota...
How to assign name for a screen? [closed]
...ie Alpert
120k3535 gold badges206206 silver badges231231 bronze badges
answered Jul 8 '10 at 9:29
miedwarmiedwar
7,10011 gold badg...
Replace comma with newline in sed on MacOS?
...
123
sed 's/,/\
/g'
works on Mac OS X.
...