30 NestJS Interview Questions and Answers (2026)
30 NestJS interview questions with full answers: modules, DI, guards, pipes, interceptors, JWT auth, microservices, and testing. Updated for 2026.
24 min readZeeshan Tofiq
backend
8 articles
30 Node.js Interview Questions and Answers (2026)
30 Node.js interview questions with full answers: event loop, streams, clustering, worker threads, memory leaks, and security. Updated for 2026.
26 min readZeeshan Tofiq
42 NoSQL Database Interview Questions and Answers (2026)
42 NoSQL interview questions covering MongoDB, Redis, and DynamoDB: aggregation pipelines, data structures, GSI vs LSI, and CAP theorem. Updated for 2026.
37 min readZeeshan Tofiq
40 SQL Interview Questions and Answers (2026)
40 SQL and relational database interview questions covering joins, indexes, ACID, window functions, CTEs, MySQL vs PostgreSQL, and query challenges.
34 min readZeeshan Tofiq
Hono.js Tutorial: REST API with Zod, JWT & Cloudflare Workers
Step-by-step Hono.js tutorial: routing, middleware, Zod validation, JWT auth, and deployment to Cloudflare Workers and Node.js. Working code throughout.
14 min readZeeshan Tofiq
Temporal API in Node.js APIs: Storing, Serializing, and Returning Dates Correctly (2026)
How to store, serialize, and return JavaScript Temporal API types correctly in a Node.js REST API with PostgreSQL. Real Express code and examples, 2026.
12 min readZeeshan Tofiq
Python 3.14 t-Strings: 5 Patterns f-Strings Can't Do Safely
Python 3.14 t-strings return a Template object, not a string. Here are 5 real patterns: safe HTML, structured logging, SQL builders, LLM prompts, and i18n.
10 min readZeeshan Tofiq
HTTP QUERY Method in Express and Node.js
How to actually implement the new HTTP QUERY method (RFC 10008) in Express and Node.js, with working code for a search endpoint, CORS, and a POST fallback.
9 min readZeeshan Tofiq