大约有 8,070 项符合查询结果（耗时：0.0289秒） [XML]
What is the behavior difference between return-path, reply-to and from?
... robotikrobotik
1,36811 gold badge1515 silver badges2020 bronze badges
add a comment
|
...
vertical-align with Bootstrap 3
...
Update 2020
I know the original question was for Bootstrap 3, but now that Bootstrap 4 has been released, here is some updated guidance on vertical center.
Important! Vertical center is relative to the height of the parent
If ...
Get Character value from KeyCode in JavaScript… then trim
...
DaveAlgerDaveAlger
1,9362020 silver badges2222 bronze badges
...
Which cryptographic hash function should I choose?
...
Eric BurnettEric Burnett
2,26511 gold badge2020 silver badges1111 bronze badges
1
...
Multithreading: What is the point of more threads than cores?
...
IceArdorIceArdor
1,6801515 silver badges2020 bronze badges
...
Is recursion a feature in and of itself?
... Ben AaronsonBen Aaronson
6,75722 gold badges2020 silver badges3737 bronze badges
8
...
How can I unit test Arduino code?
...
Iron SaviorIron Savior
3,74133 gold badges2020 silver badges3030 bronze badges
1
...
How does LMAX's disruptor pattern work?
... ChucKChucK
2,02511 gold badge1717 silver badges2020 bronze badges
add a comment
|
...
How can I use interface as a C# generic type constraint?
...
RobertRobert
2,87822 gold badges2020 silver badges2525 bronze badges
12
...
Is R's apply family more than syntactic sugar?
...numeric(1)))
# user system elapsed
# 1.35 0.00 1.36
Jan. 1, 2020 update:
system.time({z1 <- numeric(1e6); for(i in seq_along(y)) z1[i] <- foo(y[i])})
# user system elapsed
# 0.52 0.00 0.53
system.time(z <- lapply(y, foo))
# user system elapsed
# 0.72 0....