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How do I (or can I) SELECT DISTINCT on multiple columns?
...roughly equivalent to:
SELECT a,b,c FROM t GROUP BY a,b,c
It's a good idea to get used to the GROUP BY syntax, as it's more powerful.
For your query, I'd do it like this:
UPDATE sales
SET status='ACTIVE'
WHERE id IN
(
SELECT id
FROM sales S
INNER JOIN
(
SELECT salepr...
what is the difference between GROUP BY and ORDER BY in sql
...
Can you please provide an example?
– Rice
Sep 13 '17 at 16:06
...
How can I dynamically create a selector at runtime with Objective-C?
...at runtime. This can be done with the NSSelectorFromString function:
setWidthHeight = NSSelectorFromString(aBuffer);
Edit: Bummer, too slow. :P
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
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do you have any idea what the technical reason is for not allowing it? I can't find any info on this.
– jtate
Feb 15 '19 at 21:29
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How to style input and submit button with CSS?
...
http://jsfiddle.net/vfUvZ/
Here's a starting point
CSS:
input[type=text] {
padding:5px;
border:2px solid #ccc;
-webkit-border-radius: 5px;
border-radius: 5px;
}
input[type=text]:focus {
border-color:#333;
}
i...
Search for one value in any column of any table inside a database
Is there a way to search for one value (in my case it is a UID of the type char(64) ) inside any column of any table inside one MS SQL Server database?
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Selenium wait until document is ready
... not sure whether it quits the page loading after the exception thrown. i didn't try this code yet. Want to just try it.
This is an implicit wait. If you set this once it will have the scope until the Web Driver instance destroy.
See the documentation for WebDriver.Timeouts for more info.
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Iterate over model instance field names and values in template
...:
from django.forms.models import model_to_dict
def show(request, object_id):
object = FooForm(data=model_to_dict(Foo.objects.get(pk=object_id)))
return render_to_response('foo/foo_detail.html', {'object': object})
in the template add:
{% for field in object %}
<li><b>{{...
Doctrine and composite unique keys
...:
use Doctrine\ORM\Mapping\UniqueConstraint;
/**
* Common\Model\Entity\VideoSettings
*
* @Table(name="video_settings",
* uniqueConstraints={
* @UniqueConstraint(name="video_unique",
* columns={"video_dimension", "video_bitrate"})
* }
* )
* @Entity
*/
See @Uniq...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...:mypassword. stackoverflow.com/a/27497899/206277
– nidheeshdas
Feb 7 '16 at 7:01
2
@ChristopherK...