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Preventing Laravel adding multiple records to a pivot table
...)->save($newItem);
}
Or/and you can add unicity condition in your database, it would throw an exception during an attempt of saving a doublet.
You should also take a look at the more straightforward answer from Barryvdh just below.
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How to return smart pointers (shared_ptr), by reference or by value?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is a semaphore?
... resource. For example, to limit the number of simultaneous calls to a database in an application.
Here is a very pedagogic example in C# :-)
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace TheNightclub
{
public class Program
{
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How to send data to local clipboard from a remote SSH session
..., this is obviously THE best, no-frill solution. Forget other, reverse-ssh based solutions.
– shivams
Jun 25 '16 at 3:01
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What is the difference between JDK and JRE?
...lopment Kit)
It is a bundle of software that you can use to develop Java based applications.
Java Development Kit is needed for developing java applications.
The JDK needs more Disk space as it contains the JRE along with various development tools.
The JDK can be downloaded/supported freely from
h...
@RequestBody and @ResponseBody annotations in Spring
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Submitting HTML form using Jquery AJAX
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When should I use GC.SuppressFinalize()?
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What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
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Script parameters in Bash
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