Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
Manually starting 5 different services for development? Docker Compose defines and runs multi-container apps. # docker-compose.yml version: ‘3.8’ services: # Node.js API api: build: ./api ports: – “3000:3000” environment: – NODE_ENV=development – REDIS_URL=redis://redis:6379 – DATABASE_URL=postgresql://user:pass@db:5432/mydb volumes: – ./api:/app – /app/node_modules depends_on: – redis – db command: npm run dev # React Frontend frontend: build: ./frontend […]
Building mobile apps or SPAs that need WordPress content? REST API serves your posts as JSON for any frontend. // Fetch WordPress posts from React import React, { useState, useEffect } from ‘react’; function WordPressPosts() { const [posts, setPosts] = useState([]); const [loading, setLoading] = useState(true); useEffect(() => { fetchPosts(); }, []); const fetchPosts = […]
Single Page Applications leaking memory from unfinished fetch requests? AbortController is your solution to clean up abandoned API calls. The Memory Leak Problem: // Common React/Vue pattern causing leaks async function fetchUserData(userId) { const response = await fetch(`/api/users/${userId}`); const data = await response.json(); setUserData(data); // State update } // User clicks between tabs quickly: // […]