大约有 47,000 项符合查询结果(耗时:0.0548秒) [XML]
The simplest way to resize an UIImage?
...Phone app, I take a picture with the camera, then I want to resize it to 290*390 pixels. I was using this method to resize the image :
...
Regex to check whether a string contains only numbers [duplicate]
...
Mike SamuelMike Samuel
106k2626 gold badges195195 silver badges228228 bronze badges
...
Python: Append item to list N times
...
For immutable data types:
l = [0] * 100
# [0, 0, 0, 0, 0, ...]
l = ['foo'] * 100
# ['foo', 'foo', 'foo', 'foo', ...]
For values that are stored by reference and you may wish to modify later (like sub-lists, or dicts):
l = [{} for x in range(100)]
(Th...
How to add new item to hash
...
307
Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
...
Why not use Double or Float to represent currency?
...
1028
Because floats and doubles cannot accurately represent the base 10 multiples that we use for m...
How to position a DIV in a specific coordinates?
...
answered Jul 23 '11 at 20:01
Michael BerkowskiMichael Berkowski
246k3636 gold badges408408 silver badges359359 bronze badges
...
Bash tool to get nth line from a file
...re NUM is the number of the line you want to print; so, for example, sed '10q;d' file to print the 10th line of file.
Explanation:
NUMq will quit immediately when the line number is NUM.
d will delete the line instead of printing it; this is inhibited on the last line because the q causes the res...
“Comparison method violates its general contract!”
...
|
edited May 30 '14 at 6:34
rkg
15533 silver badges1313 bronze badges
answered Nov 30 '11 at...
Is it possible for a unit test to assert that a method calls sys.exit()
... |
edited Mar 28 '13 at 0:43
answered Mar 28 '13 at 0:30
...
How do I determine scrollHeight?
...
90
scrollHeight is a regular javascript property so you don't need jQuery.
var test = document.get...