#background-tasks code explainers

javascript

import { after } from "next/server";
import { NextResponse } from "next/server";
import { z } from "zod";
import { resend } from "@/lib/resend";

Deferring work with after() in Next.js

validation background-tasks route-handlers

Intermediate 8 steps

python

from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, status
from pydantic import BaseModel, EmailStr
from sqlalchemy.orm import Session

Building a signup endpoint in FastAPI

dependency-injection request-validation background-tasks

Intermediate 8 steps

python

import asyncio
import logging
from contextlib import asynccontextmanager
from datetime import datetime, timedelta, timezone

A background session cleaner in FastAPI

background-tasks asyncio lifespan

Intermediate 8 steps

python

import json
import logging
 
import stripe

Handling Stripe webhooks in Django

webhooks signature-verification idempotency

Intermediate 7 steps