大约有 41,000 项符合查询结果（耗时：0.0518秒） [XML]
Why is a boolean 1 byte and not 1 bit of size?
...
214
Because the CPU can't address anything smaller than a byte.
...
How to randomly select an item from a list?
...
14 Answers
14
Active
...
What's the -practical- difference between a Bare and non-Bare repository?
...
|
edited Jan 24 '19 at 12:53
Enrico
6,07522 gold badges2020 silver badges4747 bronze badges
...
How to convert floats to human-readable fractions?
Let's say we have 0.33 , we need to output 1/3 .
If we have 0.4 , we need to output 2/5 .
26 Answers
...
What's better to use in PHP, $array[] = $value or array_push($array, $value)?
... almost 50% faster than the second one.
Some benchmark results:
Run 1
0.0054171085357666 // array_push
0.0028800964355469 // array[]
Run 2
0.0054559707641602 // array_push
0.002892017364502 // array[]
Run 3
0.0055501461029053 // array_push
0.0028610229492188 // array[]
This shouldn't be surprisin...
What's the common practice for enums in Python? [duplicate]
...
4 Answers
4
Active
...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...RE clause:
CREATE PROCEDURE updateProductUsers(
IN rUsername VARCHAR(24),
IN rProductID INT UNSIGNED,
IN rPerm VARCHAR(16))
BEGIN
UPDATE productUsers
INNER JOIN users
ON productUsers.userID = users.userID
SET productUsers.permission = rPerm
WHERE user...
width:auto for fields
...
answered Jan 7 '11 at 2:54
BenBen
44.2k3939 gold badges150150 silver badges203203 bronze badges
...
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...
Fred FooFred Foo
317k6464 gold badges663663 silver badges785785 bronze badges
...