大约有 44,800 项符合查询结果（耗时：0.0690秒） [XML]
Select top 10 records for each category
...
228
If you are using SQL 2005 you can do something like this...
SELECT rs.Field1,rs.Field2
F...
Get the first element of each tuple in a list in Python [duplicate]
...[x[0] for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for x,_ in rows]
Below is a demonstration:
>>> lst = [(1, 2), (...
How do I add multiple arguments to my custom template filter in a django template?
... example, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this:
{% if X|is_in:"1,2,3,4" %}
Now we can create your templatetag like this:
from django.template import Library
register = Library()
def is_in(var, args):
if...
Bootstrap 3 offset on right not left
...bout filling blank columns, just make sure they don't add up to more than 12.
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<div class="container">
<div class="row">
<div class="col-xs-3 col-xs-offset-9">
...
How do I write a short literal in C++?
...
82
((short)2)
Yeah, it's not strictly a short literal, more of a casted-int, but the behaviour is...
How do I get user IP address in django?
...
|
edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Jan 3 '11 at 4:08
...
Problems installing the devtools package
...
|
edited May 23 '17 at 11:33
Community♦
111 silver badge
answered Jan 4 '14 at 17:15
...
Using Pairs or 2-tuples in Java [duplicate]
...
324
I don't think there is a general purpose tuple class in Java but a custom one might be as easy ...
How can I pad a value with leading zeros?
...
72 Answers
72
Active
...