大约有 43,500 项符合查询结果（耗时：0.0483秒） [XML]
How to validate IP address in Python? [duplicate]
...
answered Nov 25 '08 at 23:50
DustinDustin
78.2k1717 gold badges103103 silver badges131131 bronze badges
...
Resizing an image in an HTML5 canvas
...g.height;
elem.style.display = "none";
this.ctx = elem.getContext("2d");
this.ctx.drawImage(img, 0, 0);
this.img = img;
this.src = this.ctx.getImageData(0, 0, img.width, img.height);
this.dest = {
width : sx,
height : Math.round(img.height * sx / img.width),
...
Rails 2.3-style plugins and deprecation warnings running task in Heroku
I'm upgrading to Rails 3.2, and running rake db:migrate gives me several errors of the form:
8 Answers
...
How to convert a string or integer to binary in Ruby?
... number to a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(base):
"1001".to_i(2) #=> 9
share
|
improve this ans...
Measuring the distance between two coordinates in PHP
...
12 Answers
12
Active
...
Checking to see if one array's elements are in another array in PHP
...
205
You can use array_intersect().
$result = !empty(array_intersect($people, $criminals));
...
Case insensitive 'in'
...
answered Sep 2 '10 at 13:59
nmichaelsnmichaels
43.3k1212 gold badges9494 silver badges122122 bronze badges
...
Java: method to get position of a match in a String?
...
260
The family of methods that does this are:
int indexOf(String str)
indexOf(String str, int ...
Create an array with same element repeated multiple times
In Python, where [2] is a list, the following code gives this output:
25 Answers
25
...
OAuth 2.0: Benefits and use cases — why?
Could anyone explain what's good about OAuth2 and why we should implement it? I ask because I'm a bit confused about it — here's my current thoughts:
...