How to Handle File Uploads in a Node.js API: Complete 2026 Guide
Handle file uploads in Node.js — multer, validation, cloud storage with S3, presigned URLs, image processing, and security best practices. Full code.
Author
MD Rafikul Islam
MD Rafikul Islam is a software developer and editor of TechPulse. He writes about developer tools, hardware, AI, and practical technology decisions. Some articles are based on cited documentation and analysis rather than hands-on testing; readers should check each article for sources and testing disclosures. Corrections are welcome at rony.yf25@gmail.com.
407 articles published
Best Monitor Arms for Developers 2026: Ergotron LX vs Herman Miller vs Amazon Basics
We tested the best monitor arms for developer desks in 2026 — stability, adjustability, cable management, and value compared for single and dual setups.
How to Fix git push rejected non-fast-forward Error
Fix 'Updates were rejected because the remote contains work you do not have' — pull, rebase, merge, and safely resolve non-fast-forward push errors.
What Programming Language Pays the Most in 2026? Honest Salary Guide
Which programming languages pay the highest salaries in 2026? Real data on top-paying languages, why they pay well, and what actually affects your salary.
How to Implement Pagination in a REST API: Complete 2026 Guide
Implement API pagination correctly — offset, cursor, and keyset pagination compared, with SQL, response format, and performance best practices.
Best Password Managers for Developers 2026: 1Password vs Bitwarden vs KeePassXC
We tested the best password managers for developers in 2026 — secrets storage, CLI access, SSH keys, team sharing, and security compared.
How to Fix Access-Control-Allow-Origin Missing Header CORS Error
Fix 'No Access-Control-Allow-Origin header is present' — server config for Express, nginx, credentials, and why the browser blocks the request.
Is Freelance Web Development Still Profitable in 2026? Honest Answer
Is freelance web development still worth it in 2026? Real look at rates, competition, AI impact, finding clients, and whether you can make good money.
How to Build a Web Scraper with Python in 2026: Complete Ethical Guide
Build a web scraper in Python with requests, BeautifulSoup, and Playwright — handling dynamic pages, rate limiting, and scraping ethically and legally.
Best Keyboards for Programming 2026: Mechanical vs Low-Profile vs Split Compared
We tested the best programming keyboards in 2026 across mechanical, low-profile, and split ergonomic types — typing feel, layout, and RSI prevention.