TechPulse / Practical technology
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Developer guides, useful AI explainers, and hardware buying advice. Find your next answer.
How-To
Python: How to Merge Two Dictionaries Efficiently — All Methods Compared 2026
Every way to merge dictionaries in Python — the | operator, {**d1, **d2}, .update(), dict(), and ChainMap. Performance comparison and when to use each.
Career
How to Go from Junior to Senior Developer Faster? Real Strategies That Work
Skip years off the junior-to-senior timeline with the strategies that actually work — what senior developers actually do differently, and how to get there faster.
How-To
How to Build a Real-Time App with WebSockets and Node.js in 2026
Build a real-time chat and notification system with WebSockets, Socket.io, Node.js, and Redis Pub/Sub. Complete code with scaling strategies.
Accessories
Best External SSDs for Developers 2026: Samsung T9 vs WD My Passport vs OWC Review
We benchmarked the fastest external SSDs for dev workflows in 2026 — including Docker image caching, Git repos, and video projects. Real-world speeds tested.
How-To
How to Fix ‘fatal: refusing to merge unrelated histories’ in Git
Fix the ‘fatal: refusing to merge unrelated histories’ error with safe solutions — when to use –allow-unrelated-histories and better alternatives.
How-To
Is Web3 and Blockchain Development Still Worth Learning in 2026?
Honest 2026 assessment of Web3 development — what survived, what died, real job market data, and whether to invest learning time in blockchain.
How-To
How to Implement Google OAuth 2.0 in Next.js 15 with NextAuth: Complete 2026 Tutorial
Add Google sign-in to your Next.js 15 app with NextAuth v5. Complete setup including callbacks, session handling, protected routes, and database integration.
Accessories
Best Mechanical Keyboards for Developers 2026: Keychron Q6 vs Moonlander vs HHKB Review
We tested the top mechanical keyboards for coding daily for 2 months. Real typing feel, programmability, ergonomics, and build quality reviewed.
How-To
How to Debug Memory Leaks in Node.js: Complete Step-by-Step Guide 2026
Diagnose and fix Node.js memory leaks using Chrome DevTools, clinic.js, and –inspect flag. Covers common leak patterns with real code examples.