https://stackblip.com/blog/ Field notes on JWTs, cron, hashes, HTTP, DNS, secrets and conventional commits — written alongside the free browser tools. No fluff, no popups. en-us Thu, 06 Aug 2026 00:00:00 GMT Hand-built https://stackblip.com/blog/url-encoding-explained.html https://stackblip.com/blog/url-encoding-explained.html Thu, 06 Aug 2026 00:00:00 GMT http The %20 vs + space confusion, the %2520 double-encoding bug, and which encode function to actually use. https://stackblip.com/blog/env-files-and-secrets.html https://stackblip.com/blog/env-files-and-secrets.html Wed, 05 Aug 2026 00:00:00 GMT git What a .env file actually is, why git history makes leaked secrets permanent, and what to do if you've already committed a key. https://stackblip.com/blog/how-dns-works.html https://stackblip.com/blog/how-dns-works.html Tue, 04 Aug 2026 00:00:00 GMT http The root-to-authoritative journey, what TTL really controls, why "propagation" is a myth, and how to debug it with dig. https://stackblip.com/blog/base64-vs-base64url.html https://stackblip.com/blog/base64-vs-base64url.html Mon, 03 Aug 2026 00:00:00 GMT crypto Two swapped characters and some missing padding — the whole difference between base64 and base64url, and why atob() chokes on your JWT. https://stackblip.com/blog/conventional-commits-cheat-sheet.html https://stackblip.com/blog/conventional-commits-cheat-sheet.html Mon, 03 Aug 2026 00:00:00 GMT git The types you'll actually use, scope discipline, the 50-character rule, and copy-paste examples for your next PR. https://stackblip.com/blog/semantic-versioning.html https://stackblip.com/blog/semantic-versioning.html Sun, 02 Aug 2026 00:00:00 GMT git MAJOR breaks, MINOR adds, PATCH fixes. The 0.x phase, what ^ and ~ bet on, and how Conventional Commits automate it. https://stackblip.com/blog/401-vs-403-and-the-gateway-trio.html https://stackblip.com/blog/401-vs-403-and-the-gateway-trio.html Sun, 02 Aug 2026 00:00:00 GMT http The auth twins, the gateway trio, and a who-to-blame table for the status codes that start incidents. https://stackblip.com/blog/jwt-vs-session-cookies.html https://stackblip.com/blog/jwt-vs-session-cookies.html Sat, 01 Aug 2026 00:00:00 GMT auth The whole debate reduces to one question — where do you keep your state? Revocation, scaling, and the refresh-token pattern. https://stackblip.com/blog/md5-vs-sha256.html https://stackblip.com/blog/md5-vs-sha256.html Sat, 01 Aug 2026 00:00:00 GMT crypto Checksums vs signatures, the password trap, and a decision table you can tape to a monitor. https://stackblip.com/blog/regex-cheat-sheet.html https://stackblip.com/blog/regex-cheat-sheet.html Fri, 31 Jul 2026 00:00:00 GMT git The dozen building blocks that cover 95% of real regex, plus a copy-paste recipe box and the traps to avoid. https://stackblip.com/blog/cron-expressions-in-10-minutes.html https://stackblip.com/blog/cron-expressions-in-10-minutes.html Fri, 31 Jul 2026 00:00:00 GMT sched The five fields, the four operators, and the day-of-month / day-of-week OR rule that pages people at 5am. https://stackblip.com/blog/how-to-decode-jwt.html https://stackblip.com/blog/how-to-decode-jwt.html Fri, 31 Jul 2026 00:00:00 GMT auth Anyone can paste a token into a decoder. The skill is knowing which claims bite — exp, nbf, iss, aud — and the alg:none trap. https://stackblip.com/blog/http-caching-headers.html https://stackblip.com/blog/http-caching-headers.html Thu, 30 Jul 2026 00:00:00 GMT http Freshness vs validation, the no-cache vs no-store confusion, the 304 dance, and copy-paste Cache-Control recipes. https://stackblip.com/blog/git-rebase-vs-merge.html https://stackblip.com/blog/git-rebase-vs-merge.html Wed, 29 Jul 2026 00:00:00 GMT git Merge preserves your history, rebase rewrites it. The golden rule, a concrete workflow, and interactive rebase explained. https://stackblip.com/blog/cors-explained.html https://stackblip.com/blog/cors-explained.html Tue, 28 Jul 2026 00:00:00 GMT http CORS isn't blocking your request — your browser is. The Preflight, the headers that matter, and why Postman never sees it.