大约有 45,000 项符合查询结果（耗时：0.0558秒） [XML]
CSS Image size, how to fill, not stretch?
...50px;
height: 100px;
background-image: url("http://i.stack.imgur.com/2OrtT.jpg");
background-size: cover;
background-repeat: no-repeat;
background-position: 50% 50%;
}
<div class="container"></div>
While cover will give you a scaled up image, contain will give ...
inserting characters at the start and end of a string
...you can also create a string with n Ls by using multiplication:
m = 1
n = 2
yourstring = ("L" * m) + yourstring + ("L" * n)
share
|
improve this answer
|
follow
...
Get nodes where child node contains an attribute
...
answered Sep 22 '09 at 1:07
laviniolavinio
22.3k44 gold badges5050 silver badges6969 bronze badges
...
How do you use variables in a simple PostgreSQL script?
...
132
Complete answer is located in the official PostgreSQL documentation.
You can use new PG9.0 anon...
How can I selectively escape percent (%) in Python strings?
...
answered May 21 '12 at 0:03
Nolen RoyaltyNolen Royalty
16.2k44 gold badges3434 silver badges4646 bronze badges
...
Sort a list of tuples by 2nd item (integer value) [duplicate]
...
Try using the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple...
How to remove elements from a generic list while iterating over it?
...
27 Answers
27
Active
...
UITableView backgroundColor always gray on iPad
...
245
Try one of these.
[myTableView setBackgroundView:nil];
[myTableView setBackgroundView:[[[UIVi...
How to check if mod_rewrite is enabled in php?
...
125
If you're using mod_php, you can use apache_get_modules(). This will return an array of all ena...