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How can I retrieve Id of inserted entity using Entity framework? [closed]
... and SaveChanges on related ObjectContext. Id will be automatically filled for you:
using (var context = new MyContext())
{
context.MyEntities.Add(myNewObject);
context.SaveChanges();
int id = myNewObject.Id; // Yes it's here
}
Entity framework by default follows each INSERT with SELECT SC...
Remove duplicate rows in MySQL
...are duplicates will error out. As always, you may want to take a backup before running something like this...
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How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
...ial documentation
https://docs.angularjs.org/guide/interpolation#-ngattr-for-binding-to-arbitrary-attributes
For instance, to set the id attribute value of a div element, so that it contains an index, a view fragment might contain
<div ng-attr-id="{{ 'object-' + myScopeObject.index }}"><...
Showing empty view when ListView is empty
For some reason the empty view, a TextView in this case, always appears even when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view.
...
Get the Last Inserted Id Using Laravel Eloquent
...(array('success' => true, 'last_insert_id' => $data->id), 200);
For updated laravel version try this
return response()->json(array('success' => true, 'last_insert_id' => $data->id), 200);
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Getting the thread ID from a thread
In C# when debugging threads for example, you can see each thread's ID.
11 Answers
11
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When should I use cross apply over inner join?
...ose cases where INNER JOIN will work as well?
See the article in my blog for detailed performance comparison:
INNER JOIN vs. CROSS APPLY
CROSS APPLY works better on things that have no simple JOIN condition.
This one selects 3 last records from t2 for each record from t1:
SELECT t1.*, t2o.*...
How to select html nodes by ID with jquery when the id contains a dot?
...IDs must be unique throughout the document. What would "#id.class" be good for? I mean, you can't be any more specific than "#id", can you?
– Tomalak
Mar 3 '09 at 10:19
2
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SQL join: selecting the last records in a one-to-many relationship
...er id). When we find that to be true, then p1 is the most recent purchase for that customer.
Regarding indexes, I'd create a compound index in purchase over the columns (customer_id, date, id). That may allow the outer join to be done using a covering index. Be sure to test on your platform, bec...
Real life example, when to use OUTER / CROSS APPLY in SQL
...
Some uses for APPLY are...
1) Top N per group queries (can be more efficient for some cardinalities)
SELECT pr.name,
pa.name
FROM sys.procedures pr
OUTER APPLY (SELECT TOP 2 *
FROM sys.parameters...