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// Singleton Class
class SumSingleton
{
    private static $instance;
    private $result;

    private function __construct() {}

    public static function getInstance()
    {

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package main

import (
	"fyne.io/fyne/v2/data/binding"
	"log"
)

type MySprintfString struct {
	binding.String

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#!/usr/bin/perl

use strict;
use warnings;

use feature ':5.10';

use local::lib;

use Carp;

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c:\laragon\www\backpack\database\seeds (master)
λ cat DatabaseSeeder.php Cities.php
<?php

use Illuminate\Database\Seeder;

class DatabaseSeeder extends Seeder
{
    /**
     * Run the database seeds.

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...
    /**
     * The application's route middleware.
     *
     * These middleware may be assigned to groups or used individually.
     *
     * @var array
     */
    protected $routeMiddleware = [
        'auth' => \Illuminate\Auth\Middleware\Authenticate::class,

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window._ = require('lodash');

/**
 * We'll load jQuery and the Bootstrap jQuery plugin which provides support
 * for JavaScript based Bootstrap features such as modals and tabs. This
 * code may be modified to fit the specific needs of your application.
 */

// This sticks jquery onto the window object.

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```
// There is a field called 'new_password' which is left EMPTY if the password is not meant to be changed.

// WARNING: ONLY do this if you understand the implications of users (probably administrators) knowing
//          other users' passwords; a more secure suggestion would be to force a password reset!

    public function update(UpdateRequest $request)
    {       
        DB::transaction(function() use ($request, &$redirect_location) {
            // your additional operations before save here

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```
public function rules()
{
  // I've only done the 'email' rule because I'm lazy!
  return [
    'email' => [
      'required', 'email', 'max:255', Rule::unique->ignore($this->id),
    ],
  ];    
}

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```
<?php

namespace App\Http\Controllers\Admin;

use Backpack\CRUD\app\Http\Controllers\CrudController;

// VALIDATION: change the requests to match your own file names if you need form validation
use App\Http\Requests\MytestRequest as StoreRequest;