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Get the Last Inserted Id Using Laravel Eloquent

... After save, $data->id should be the last id inserted. $data->save(); $data->id; Can be used like this. return Response::json(array('success' => true, 'last_insert_id' => $data->id), 200); For updated laravel version try t...
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How to do a FULL OUTER JOIN in MySQL?

...on you have: with two tables t1, t2: SELECT * FROM t1 LEFT JOIN t2 ON t1.id = t2.id UNION SELECT * FROM t1 RIGHT JOIN t2 ON t1.id = t2.id The query above works for special cases where a FULL OUTER JOIN operation would not produce any duplicate rows. The query above depends on the UNION set ope...
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Union Vs Concat in Linq

...nces of items. Your items have different references, thus they all are considered different. When you cast to base type X, reference is not changed. If you will override Equals and GetHashCode (used to select distinct items), then items will not be compared by reference: class X { public int I...
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Calendar Recurring/Repeating Events - Best Storage Method

...store repeating/recurring event information as efficiently as possibly. I didn't want to have a large number of rows, and I wanted to easily lookup all events that would take place on a specific date. The method below is great at storing repeating information that occurs at regular intervals, such ...
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Finding duplicate values in a SQL table

...e all non-aggregated columns in the GROUP BY but this has changed with the idea of "functional dependency": In relational database theory, a functional dependency is a constraint between two sets of attributes in a relation from a database. In other words, functional dependency is a constraint t...
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How to get the currently logged in user's user id in Django?

How to get the currently logged-in user's id? 4 Answers 4 ...
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MySQL select one column DISTINCT, with corresponding other columns

...STINCT results from the FirstName column, but I need the corresponding ID and LastName . 12 Answers ...
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PHP - Extracting a property from an array of objects

...5 or later, the best way is to use the built in function array_column(): $idCats = array_column($cats, 'id'); But the son has to be an array or converted to an array share | improve this answer ...
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How can I convert this foreach code to Parallel.ForEach?

... Just wanted to point it out (more for the OP) so that there wasn't a misguided thought that it only works on List<T> ;) – Reed Copsey Sep 3 '12 at 17:21 1 ...
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How to find duplicates in 2 columns not 1

I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value. ...