大约有 41,000 项符合查询结果（耗时：0.0683秒） [XML]
Can CSS detect the number of children an element has?
...i {
width: 33.3333%;
}
/* four items */
li:first-child:nth-last-child(4),
li:first-child:nth-last-child(4) ~ li {
width: 25%;
}
The trick is to select the first child when it's also the nth-from-the-last child. This effectively selects based on the number of siblings.
Credit for this tec...
What is exactly the base pointer and stack pointer? To what do they point?
...in the function you may have code like (presuming both local variables are 4 bytes)
mov [ebp-4], eax ; Store eax in first local
mov ebx, [ebp - 8] ; Load ebx from second local
FPO or frame pointer omission optimization which you can enable will actually eliminate this and use ebp as another r...
Why 0 is true but false is 1 in the shell?
...
94
It's a convention, but a particularly useful one when you think about it. In general, if a prog...
Grep characters before and after match?
...
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
share
|
improv...
Is putting a div inside an anchor ever correct?
...
14 Answers
14
Active
...
Comparing two dictionaries and checking how many (key, value) pairs are equal
...
|
edited Jun 14 '18 at 13:15
Olivier Melançon
17.9k33 gold badges3232 silver badges5555 bronze badges
...
How to get indices of a sorted array in Python
...t;>> import numpy
>>> numpy.argsort(myList)
array([0, 1, 2, 4, 3])
http://docs.scipy.org/doc/numpy/reference/generated/numpy.argsort.html
This returns the arguments that would sort the array or list.
share
...
Remove first element from $@ in bash [duplicate]
...
4 Answers
4
Active
...
Selecting multiple columns in a pandas dataframe
...
Hugolmn
1,34111 gold badge33 silver badges1818 bronze badges
answered Jul 2 '12 at 2:43
elyely
...
Xcode 4.2 debug doesn't symbolicate stack call
I have a problem with Xcode 4.2 debugging in an iOS 5 simulator/device. The following code crashes, as expected:
9 Answers
...