All Articles
Insightful articles, tutorials, and deep-dives on tech, AI, design, and more — written by passionate people.
PDFs are the most sensitive files people routinely feed to random online tools — contracts, IDs, bank statements. Modern browsers can merge, reorder, and convert PDFs locally. Here is how that works and how to do it safely.
Talha Mahmood
Jul 16, 2026
API is the most-used and least-explained term in software. What an API actually is, how a real request works step by step, why companies build them, and the vocabulary — REST, endpoints, keys, rate limits — decoded without jargon.
Talha Mahmood
Jul 14, 2026
Base64 is one of the most-used and most-misunderstood encodings in development — routinely mistaken for encryption, blamed for bloat it did not cause, and used where it should not be. A clear explanation with the real trade-offs.
Talha Mahmood
Jul 12, 2026
JSON looks trivial until a missing comma takes down a deploy. The complete syntax in five rules, the errors that cause 90% of parse failures, and the debugging techniques that find them fast.
Talha Mahmood
Jul 08, 2026
Images are usually the heaviest thing on a page and the most neglected part of SEO. Practical, verifiable steps — compression, dimensions, alt text, lazy loading, formats — ordered by how much each one actually matters.
Talha Mahmood
Jul 06, 2026
Strong engineers fail interviews for reasons that have little to do with skill. Curating thousands of interview questions — and hearing how they get asked in practice — surfaces the same seven failure modes again and again.
Talha Mahmood
Jul 03, 2026
Most people use practice questions wrong: answer, glance at the result, move on. Used correctly, MCQs are one of the most efficient study tools in computer science. The method, the mistakes, and how to turn a wrong answer into a permanent memory.
Talha Mahmood
Jun 29, 2026
One click, and the background is gone — but what actually happened? A plain-language tour of image segmentation, alpha mattes, and the architecture behind our own background remover, including the parts that still fail.
Talha Mahmood
Jun 26, 2026
Git has over 150 commands; daily work uses about a dozen. A practical tour of the commands that matter, the mental model that makes them make sense, and how to get out of the messes everyone eventually makes.
Talha Mahmood
Jun 22, 2026
Most free online image tools upload your files to a server, process them there, and keep them for an undisclosed time. Modern browsers can do the same work locally. Here is how that works under the hood, and how to tell which kind of tool you are using.
Talha Mahmood
Jun 19, 2026
Every developer sees status codes daily; fewer can explain the difference between 301 and 302, or why 403 is not 401. A working reference to the codes that matter, the subtle ones that cause bugs, and how to choose the right one in your own APIs.
Talha Mahmood
Jun 15, 2026
Four formats dominate the web, and picking the wrong one silently costs you bandwidth, quality, or compatibility. A practical guide to when each format wins, with the compression trade-offs explained in plain language.
Talha Mahmood
Jun 12, 2026
Showing 1–12 of 31 articles
Stay in the loop
Join 4+ readers who get the best tech content delivered straight to their inbox every week.
No spam, ever. Unsubscribe anytime.
