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How to change the foreign key referential action? (behavior)
I have set up a table that contains a column with a foreign key, set to ON DELETE CASCADE (delete child when parent is deleted)
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Ways to save Backbone.js model data?
.../ Dollars
}
});
To populate the model there are a few ways to do so. For example, you can set up your model instance by passing in a JSON OR use method called set() which takes a JSON object of attributes.
myDonut = new Donut({'flavor':'lemon', 'price':'0.75'});
mySecondHelping = new Donut();...
How do I put an 'if clause' in an SQL string?
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For your specific query, you can do:
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
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Test it for distinct, if two equal max datetime be in the same home (with different players)
– Maksym Gontar
Mar 4 '09 at 21:04
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How to COUNT rows within EntityFramework without loading contents?
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Thank you for clearing that up for me. Just wanted to be sure. :)
– Jo Smo
Jul 8 '15 at 18:39
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How to verify Facebook access token?
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The officially supported method for this is:
GET graph.facebook.com/debug_token?
input_token={token-to-inspect}
&access_token={app-token-or-admin-token}
See the check token docs for more information.
An example response is:
{
"data": ...
You can't specify target table for update in FROM clause
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The problem is that MySQL, for whatever inane reason, doesn't allow you to write queries like this:
UPDATE myTable
SET myTable.A =
(
SELECT B
FROM myTable
INNER JOIN ...
)
That is, if you're doing an UPDATE/INSERT/DELETE on a table, you ...
LINQ: Distinct values
...f values of a "larger" type, but only looking at some subset of properties for the distinctness aspect, you probably want DistinctBy as implemented in MoreLINQ in DistinctBy.cs:
public static IEnumerable<TSource> DistinctBy<TSource, TKey>(
this IEnumerable<TSource> source,
...
What's the difference between identifying and non-identifying relationships?
...be confusing because it's common practice these days to create a pseudokey for a child table, but not make the foreign key to the parent part of the child's primary key. Formally, the "right" way to do this is to make the foreign key part of the child's primary key. But the logical relationship is...
How to use z-index in svg elements?
... fill="green" cx="100" cy="105" r="20"/>
</svg>
Here the fork of your jsFiddle.
Solution (alternative)
The tag use with the attribute xlink:href and as value the id of the element. Keep in mind that might not be the best solution even if the result seems fine. Having a bit of tim...