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How to delete from multiple tables in MySQL?
...FROM pets p
JOIN pets_activities pa ON pa.id = p.pet_id
WHERE p.order > :order
AND p.pet_id = :pet_id
Alternatively you can use...
DELETE pa
FROM pets_activities pa
JOIN pets p ON pa.id = p.pet_id
WHERE p.order > :order
AND p.pet_id = :pet_id
...to delete...
RESTful Alternatives to DELETE Request Body
... to delete but either it failed or they changed their minds. Reversing the order of the calls would also allow DELETEs to occur without a reason — provision of a reason would then be considered merely as annotation. It is for both of these reasons that I would recommend using option 2 from the abo...
How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
... @lukasLansky its reliable as long as you dont care about the order
– codeulike
Apr 28 '15 at 21:19
1
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Numpy argsort - what is it doing?
...ermutation (that if the 2 permutations are applied to each other in either order the result is the Identity). The second permutation if applied to a sorted data array would produce the unsorted data array, i.e. it is the rank.
– Alex C
May 18 '16 at 0:35
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Sorting related items in a Django template
...
You need to specify the ordering in the attendee model, like this. For example (assuming your model class is named Attendee):
class Attendee(models.Model):
class Meta:
ordering = ['last_name']
See the manual for further reference.
ED...
TreeMap sort by value
...or that will let me sort a TreeMap by value instead of the default natural ordering.
8 Answers
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How to specify the order of CSS classes?
...little confused about CSS and the class attribute. I always thought, the order in which I specify multiple classes in the attribute value has a meaning. The later class could/should overwrite definitions of the previous, but this doesn't seem to work. Here's an example:
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Regex to match string containing two names in any order
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The expression in this answer does that for one jack and one james in any order.
Here, we'd explore other scenarios.
METHOD 1: One jack and One james
Just in case, two jack or two james would not be allowed, only one jack and one james would be valid, we can likely design an expression similar to:
...
What is a postback?
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Why does it happen?
The web application is running on the web server. In order to process the user’s response, cause the application state to change, or move to a different page, you need to get some code to execute on the web server. The only way to achieve this is to collect up all the informa...
How do I allow HTTPS for Apache on localhost?
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In order to generate the .pem and .key files, I had to set 2 environment variables at step 2 : set OPENSSL_CONF=C:\path\to\apache\Apache2.4.4\conf\openssl.cnf set RANDFILE=C:\path\to\apache\Apache2.4.4\conf\.rnd
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