大约有 5,100 项符合查询结果（耗时：0.0338秒） [XML]
Get a random boolean in python?
... timeit -s "from random import random" "test = [random() < 0.5 for i in range(1000000)]"
10 loops, best of 3: 118 msec per loop
$ python -m timeit -s "import numpy as np" "test = np.random.randint(2, size=1000000)"
100 loops, best of 3: 6.31 msec per loop
...
What does %w(array) mean?
... (lowercase) %w, we have no code interpolation (#{someCode}) and a limited range of escape characters that work (\\, \n). With double quotes and (uppercase) %W we do have access to these features.
The delimiter used can be any character, not just the open parenthesis. Play with the examples above t...
What characters are allowed in DOM IDs? [duplicate]
...o-centric and accepting only ASCII letters. Those "gobbeldygook" character ranges like [#xF900-#xFDCF] represent useful Unicode characters that are allowed in a name, which your regex disallows.
– Phrogz
May 9 '16 at 15:48
...
SQL Server: Get data for only the past year
...d to evaluate the year value of the date, it would be better to use a date range
– Adriaan Davel
May 30 '12 at 15:43
add a comment
|
...
How do I get the Git commit count?
...
Ty. This worked for me when counting commits in a range; git shortlog sha1..sha2
– RJFalconer
Apr 13 '11 at 11:07
1
...
Extracting bits with a single multiplication
...he end, but whose carry bits end up interfering in the important un-masked range? (and note: the n-1 requirement makes sure this doesn't happen by making sure the i-1 bits after our un-masked range are clear when we shift the the ith bit)
...a...b..c...d... Potential failure on carry-bits, c is in ...
Why doesn't delete set the pointer to NULL?
...you don't have to pay for it" ideology.
If you need safety there's a wide range of smart pointers at you service or you can write your own - better and smarter.
share
|
improve this answer
...
Quick unix command to display specific lines in the middle of a file?
...
I'm trying to figure out how to adapt method 3 to use a range instead of a single line, but I'm afraid my sed-foo isn't up to the task.
– Xiong Chiamiov
Jul 7 '13 at 17:44
...
How to convert String to long in Java?
...r class, this method is not required
to cache values within a particular range.
Thanks to auto-unboxing allowing to convert a wrapper class's instance into its corresponding primitive type, the code would then be:
long val = Long.valueOf(str);
Please note that the previous code can still thro...
Removing viewcontrollers from navigation stack
...
this worked in iOS < 7, but results in strange behavior in iOS 7.
– Ben H
Apr 22 '14 at 23:30
1
...