Code Explainers
Code explainers tagged #background-jobs
ruby
class Api::MessagesController < ApiController before_action :authenticate_api_key! rate_limit to: 100,
Layered API rate limiting in Rails
rate-limiting
api-authentication
throttling
Intermediate
9 steps
php
<?php namespace App\Jobs;
A retrying queue job in Laravel
queues
background-jobs
retries
Intermediate
7 steps
ruby
class SyncContactsJob < ApplicationJob queue_as :external_api MAX_CONCURRENCY = 5
Rate-limited CRM sync in a Rails job
background-jobs
rate-limiting
redis
Advanced
9 steps
ruby
class DatasetImportJob < ApplicationJob queue_as :default def perform(import)
Streaming import progress with a Rails job
background-jobs
turbo-streams
progress-tracking
Intermediate
9 steps
ruby
class OrdersController < ApplicationController rescue_from ActiveRecord::RecordNotUnique, with: :handle_duplicate_submission def create
Idempotent order creation in Rails
idempotency
database-constraints
error-handling
Intermediate
8 steps
php
<?php namespace App\Jobs;
Building a unique queued job in Laravel
queues
background-jobs
idempotency
Intermediate
7 steps
rust
use std::sync::Arc; use axum::{ extract::State,
Offloading work with a channel in Axum
background-jobs
message-passing
shared-state
Intermediate
9 steps
ruby
class SearchIndexReconciler DEBOUNCE_WINDOW = 5.seconds def self.schedule(record)
Debouncing search reindex jobs in Rails
debouncing
background-jobs
caching
Advanced
7 steps
ruby
class PurgeStaleExportsJob < ApplicationJob queue_as :maintenance retry_on ActiveRecord::Deadlocked, wait: :polynomially_longer, attempts: 5
Purging stale exports with an Active Job in Rails
background-jobs
batching
error-handling
Intermediate
7 steps
typescript
import { Injectable, Logger } from '@nestjs/common'; import { Cron, CronExpression } from '@nestjs/schedule'; import { InjectRepository } from '@nestjs/typeorm'; import { Repository, LessThan } from 'typeorm';
Scheduled session cleanup in NestJS
cron-scheduling
background-jobs
repository-pattern
Intermediate
7 steps
ruby
class ReportBatcher BATCH_SIZE = 500 def initialize(account)
Batching monthly email summaries in Rails
batching
service-object
background-jobs
Intermediate
7 steps
ruby
class OrderConfirmationJob < ApplicationJob queue_as :mailers retry_on Net::OpenTimeout, wait: :polynomially_longer, attempts: 5
Resilient background jobs in Rails
background-jobs
retries
idempotency
Intermediate
8 steps
php
<?php namespace App\Console;
How task scheduling works in Laravel
scheduling
cron
fluent-api
Intermediate
7 steps
rust
use axum::{ extract::State, http::StatusCode, response::IntoResponse,
An async job queue handler in Axum
background-jobs
async
http-202
Intermediate
9 steps