大约有 47,000 项符合查询结果（耗时：0.0659秒） [XML]
How to use hex color values
...plify the conversion, let's create an initializer that takes integer (0 - 255) values:
extension UIColor {
convenience init(red: Int, green: Int, blue: Int) {
assert(red >= 0 && red <= 255, "Invalid red component")
assert(green >= 0 && green <= 255, "Inv...
Combining a class selector and an attribute selector with jQuery
... attach them together without any punctuation.
$('.myclass[reference="12345"]')
Your first selector looks for elements with the attribute value, contained in elements with the class.
The space is being interpreted as the descendant selector.
Your second selector, like you said, looks for element...
How to redirect single url in nginx?
...
answered Aug 4 '13 at 1:57
Mohammad AbuShadyMohammad AbuShady
33.2k99 gold badges6868 silver badges8383 bronze badges
...
Clone contents of a GitHub repository (without the folder itself)
...
Mark LongairMark Longair
358k6565 gold badges384384 silver badges314314 bronze badges
...
How to shift a column in Pandas DataFrame
...
156
In [18]: a
Out[18]:
x1 x2
0 0 5
1 1 6
2 2 7
3 3 8
4 4 9
In [19]: a.x2...
Is there a builtin confirmation dialog in Windows Forms?
...
answered Jan 4 '13 at 15:38
RaaghavRaaghav
2,60211 gold badge2020 silver badges2121 bronze badges
...
How do I update zsh to the latest version?
...
|
edited Dec 1 '15 at 21:59
Joe Lencioni
9,7731616 gold badges4949 silver badges6565 bronze badges
...
Difference between doseq and for in Clojure
...r executing side-effects and returns nil.
user=> (for [x [1 2 3]] (+ x 5))
(6 7 8)
user=> (doseq [x [1 2 3]] (+ x 5))
nil
user=> (doseq [x [1 2 3]] (println x))
1
2
3
nil
If you want to build a new sequence based on other sequences, use for. If you want to do side-effects (printing, writ...