大约有 41,400 项符合查询结果(耗时:0.0684秒) [XML]
UICollectionView Set number of columns
...o specify the number of columns in a collectionview. The default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer.
...
What is the proper #include for the function 'sleep()'?
...
answered Feb 11 '13 at 18:03
simoncsimonc
39.2k99 gold badges7676 silver badges9999 bronze badges
...
How does functools partial do what it does?
... |
edited Mar 11 '13 at 10:11
answered Mar 11 '13 at 5:35
...
@RequestParam in Spring MVC handling optional parameters
...
3 Answers
3
Active
...
How can I delay a method call for 1 second?
...
|
edited Jan 30 '15 at 16:48
Lucas Gabriel Sánchez
31.8k1919 gold badges5353 silver badges8181 bronze badges
...
MySQL Select Query - Get only first 10 characters of a value
...
3 Answers
3
Active
...
Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
...
BozhoBozho
539k129129 gold badges10061006 silver badges11101110 bronze badges
...
How to change navbar collapse threshold using Twitter bootstrap-responsive?
I'm using Twitter Bootstrap 2.0.1 in a Rails 3.1.2 project, implemented with bootstrap-sass. I'm loading both the bootstrap.css and the bootstrap-responsive.css files, as well as the bootstrap-collapse.js Javascript.
...
How can I list (ls) the 5 last modified files in a directory?
...
answered Mar 28 '13 at 20:19
Paul RubelPaul Rubel
24.1k77 gold badges5353 silver badges7676 bronze badges
...
Counting the number of elements with the values of x in a vector
...an just use table():
> a <- table(numbers)
> a
numbers
4 5 23 34 43 54 56 65 67 324 435 453 456 567 657
2 1 2 2 1 1 2 1 2 1 3 1 1 1 1
Then you can subset it:
> a[names(a)==435]
435
3
Or convert it into a data.frame if you're more comfor...
