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How do I immediately execute an anonymous function in PHP?
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121
For PHP7: see Yasuo Ohgaki's answer: (function() {echo 'Hi';})();
For previous versions: the o...
Can you have if-then-else logic in SQL? [duplicate]
...e1 WHERE project = 1
ELSE IF ((SELECT COUNT(*) FROM table1 WHERE project = 2) > 0)
SELECT product, price FROM table1 WHERE project = 2
ELSE IF ((SELECT COUNT(*) FROM table1 WHERE project = 3) > 0)
SELECT product, price FROM table1 WHERE project = 3
...
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++?
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82
((short)2)
Yeah, it's not strictly a short literal, more of a casted-int, but the behaviour is...
Select top 10 records for each category
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228
If you are using SQL 2005 you can do something like this...
SELECT rs.Field1,rs.Field2
F...
How do I get user IP address in django?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Jan 3 '11 at 4:08
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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...
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 can I pad a value with leading zeros?
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