大约有 40,000 项符合查询结果（耗时：0.0530秒） [XML]
How do you split a list into evenly sized chunks?
...t(chunks(range(10, 75), 10)))
[[10, 11, 12, 13, 14, 15, 16, 17, 18, 19],
[20, 21, 22, 23, 24, 25, 26, 27, 28, 29],
[30, 31, 32, 33, 34, 35, 36, 37, 38, 39],
[40, 41, 42, 43, 44, 45, 46, 47, 48, 49],
[50, 51, 52, 53, 54, 55, 56, 57, 58, 59],
[60, 61, 62, 63, 64, 65, 66, 67, 68, 69],
[70, 71, 72...
How to see full query from SHOW PROCESSLIST
...em.
– Julio Garcia
Dec 13 '17 at 17:20
|
show 1 more comment
...
Python Sets vs Lists
...iter_test; iterable = tuple(range(10000))",
... number=100000)
9.865639209747314
Determine if an object is present
>>> def in_test(iterable):
... for i in range(1000):
... if i in iterable:
... pass
...
>>> from timeit import timeit
>>> timei...
How can I get browser to prompt to save password?
...
20 Answers
20
Active
...
How do I use a file grep comparison inside a bash if/else statement?
...
205
From grep --help, but also see man grep:
Exit status is 0 if any line was selected, 1 othe...
How do you unit test a Celery task?
...
answered Aug 22 '12 at 20:33
FlaPer87FlaPer87
97377 silver badges1212 bronze badges
...
Validate uniqueness of multiple columns
... be patched?
– Alexey
Jul 16 '12 at 20:09
13
Alexey, validates_uniqueness_of [:user_id, :friend_i...
Removing a model in rails (reverse of “rails g model Title…”)
...
– Mikhail Nikalyukin
Jul 22 '13 at 20:30
Ye thanks. I restored the migration from the Trash but it turns out I had an...
How to create a video from images with FFmpeg?
...merate
ffmpeg -r 1/5 -i img%03d.png -c:v libx264 -vf fps=25 -pix_fmt yuv420p out.mp4
Alternatively the format video filter can be added to the filter chain to replace -pix_fmt yuv420p like "fps=25,format=yuv420p". The advantage of this method is that you can control which filter goes first
...
OwinStartup not firing
...
PraburajPraburaj
10.5k11 gold badge2020 silver badges2020 bronze badges
4
...