codesnips
php 
<?php

namespace App\Http\Controllers;

use App\Jobs\ImportProductChunk;
use Illuminate\Http\Request;

Chunked CSV Product Import with Laravel Queued Jobs and LazyCollection

laravel queue background-jobs
by codesnips 3 tabs
javascript 
class TokenBucket {
  constructor(capacity, refillRatePerSec) {
    this.capacity = capacity;
    this.refillRate = refillRatePerSec;
    this.tokens = capacity;
    this.lastRefill = Date.now();

Token Bucket Rate Limiter as Express Middleware

express rate-limiting token-bucket
by codesnips 3 tabs
php 
<?php

namespace App\Http\Resources\V1;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\ResourceCollection;

Versioning a Laravel API with Route Groups and Resource Transformers

laravel api versioning
by codesnips 4 tabs
typescript 
import { CanDeactivateFn } from '@angular/router';
import { Observable } from 'rxjs';

export interface HasUnsavedChanges {
  canDeactivate(): boolean | Observable<boolean>;
}

Warn Users About Unsaved Changes With an Angular CanDeactivate Guard

angular routing guards
by codesnips 3 tabs
ruby 
class LoginCode < ApplicationRecord
  belongs_to :user

  CODE_LENGTH = 6
  TTL = 10.minutes

One-Time Password Login: Expiring Token Model, Mailer, and Verification in Rails

rails authentication otp
by codesnips 3 tabs
php 
<?php

namespace App\Models;

use App\Notifications\VerifyEmailNotification;
use Illuminate\Contracts\Auth\MustVerifyEmail;

Signed Email-Verification Links with Custom Laravel Notification and Signed Routes

laravel signed-urls email-verification
by codesnips 4 tabs
python 
from django.db import models
from django.utils.text import slugify


class Article(models.Model):
    title = models.CharField(max_length=200)

Auto-Generate Unique Slugs in Django with a pre_save Signal and Model Method

django signals slugs
by codesnips 3 tabs
php 
<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

Recording an Audit Trail of Model Changes with a Laravel Observer

laravel eloquent observers
by codesnips 4 tabs
go 
package domain

import "time"

type DomainEvent interface {
	EventName() string

Custom MarshalJSON for Domain Events With a Type Discriminator Envelope

go json serialization
by codesnips 3 tabs
php 
<?php

namespace App\Security\Voter;

use App\Entity\Comment;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;

Enforce Comment Ownership With a Symfony Voter and Controller Authorization Check

symfony security voter
by codesnips 3 tabs
javascript 
export const wizardMachine = {
  initial: 'account',
  states: {
    account: {
      next: 'profile',
      canLeave: (data) => Boolean(data.email && data.password),

Multi-Step Wizard Form With a Context-Driven State Machine in React

react state-machine context
by codesnips 3 tabs
php 
<?php

namespace App\Payment;

use Symfony\Component\DependencyInjection\Attribute\AutoconfigureTag;

Collect Tagged Payment Gateways with a Symfony Compiler Pass and Service Locator

symfony dependency-injection compiler-pass
by codesnips 4 tabs