大约有 18,340 项符合查询结果(耗时:0.0232秒) [XML]
Ways to save enums in database
...ue of the enumeration is meaningless:
SELECT Suit FROM Cards
ORDER BY SuitID; --where SuitID is integer value(4,1,3,2,0)
Suit
------
Spade
Heart
Diamond
Club
Unknown
That's not the order we want - we want them in enumeration order:
SELECT Suit FROM Cards
ORDER BY CASE SuitID OF
WHEN 4 THEN ...
How can I get the domain name of my site within a Django template?
...tabase (mapping the request domain to a settings file with the proper SITE_ID is something you have to do yourself via your webserver setup). In that case you're looking for:
from django.contrib.sites.models import Site
current_site = Site.objects.get_current()
current_site.domain
you'd have to ...
Deep copy of a dict in python
... Is there any difference in Python 3.2 and 2.7 codes? They seem identical to me. If so, would be better a single block of code and a statement "Works for both Python 3 and 2"
– MestreLion
Jun 7 '14 at 3:59
...
What is the advantage of using heredoc in PHP? [closed]
...s much cleaner to me and it is really useful for multi-line strings and avoiding quoting issues. Back in the day I used to use them to construct SQL queries:
$sql = <<<SQL
select *
from $tablename
where id in [$order_ids_list]
and product_name = "widgets"
SQL;
To me this has a low...
Getting the name of a child class in the parent class (static context)
... simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below:
...
How do I test if a string is empty in Objective-C?
...
You can check if [string length] == 0. This will check if it's a valid but empty string (@"") as well as if it's nil, since calling length on nil will also return 0.
share
|
improve this answ...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
I am developing an Android Application where I'm using Google Map API v2. I need to show the user location on a map with custom markers.
...
How to make the corners of a button round?
... corners of a button round. Is there an easy way to achieve this in Android?
13 Answers
...
Can you change a path without reloading the controller in AngularJS?
...answers it doesn't look good. I'd like to ask with this sample code in consideration...
12 Answers
...
Get the value of checked checkbox?
...
@Mageek it's bad practice to add same id on multiple elements.
– Engineer
Jul 22 '12 at 11:11
...