大约有 48,000 项符合查询结果（耗时：0.0690秒） [XML]
Closing WebSocket correctly (HTML5, Javascript)
...
answered Jan 27 '11 at 15:51
kanakakanaka
60.3k2020 gold badges131131 silver badges130130 bronze badges
...
Lowercase and Uppercase with jQuery
...
karim79karim79
320k6060 gold badges397397 silver badges399399 bronze badges
...
How to view revision history for Mercurial file?
...
129
hg log file
hg diff -r 10 -r 20 file
...
Can I make the foreign key field optional in Django model
...
|
edited Jan 24 '14 at 19:55
akki
8721414 silver badges2626 bronze badges
answered Jul 8 '1...
How do I remove deleted branch names from autocomplete?
...
2 Answers
2
Active
...
Does the ternary operator exist in R?
... if-else is equivalent to ?:.
> a <- 1
> x <- if(a==1) 1 else 2
> x
[1] 1
> x <- if(a==2) 1 else 2
> x
[1] 2
The power of R is vectorization. The vectorization of the ternary operator is ifelse:
> a <- c(1, 2, 1)
> x <- ifelse(a==1, 1, 2)
> x
[1] 1 2 1
>...
On delete cascade with doctrine2
...nd automatically delete the matching rows in the child table using Doctrine2.
2 Answers
...
How to locate the vimrc file used by vim editor?
...
221
Just try doing the following:
:version
You will get an output which includes something like...
C++ Double Address Operator? (&&)
...
|
edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Dec 28 '10 at 20:16
...
How can I change UIButton title color?
...
527
You can use -[UIButton setTitleColor:forState:] to do this.
Example:
Objective-C
[buttonName...