Skip to content

DEV Community

tinali7564-eng

404 bio not found

Joined on Oct 3, 2026

Oct 23

The Definitive Guide to JWT Security in 2026: HS256 vs RS256 vs ES256, The alg: none Exploit, kid Parameter Attacks, and Token

#jwt #security #authentication #oauth2

9 min read

Oct 19

Unix Timestamp and Epoch Time Explained: 10-Digit vs 13-Digit Precision, Leap Second Smearing, Timezone Traps, and the Year

#unixtimestamp #epochtime #datetime #javascript

8 min read

Oct 18

How Cron Expressions Really Work: The 5-Field vs 6-Field Syntax, Day-of-Week Traps (Sunday 0 vs 7), Daylight Saving Time Skips

#cron #crontab #scheduling #devops

11 min read

Oct 18

QR Code Error Correction Levels (L, M, Q, H): Capacity, Damage Tolerance, and Logo Embedding Guide

#qrcode #reedsolomon #errorcorrection #svg

10 min read

Oct 17

How to Generate a Secure Password You'll Actually Remember

#security #passwords #webdev #tutorial

8 min read

Oct 17

JSON Formatter vs Validator: What's the Difference?

#json #webdev #javascript #tutorial

8 min read

Oct 17

How to Reduce Image Size Under 100KB Without Losing Quality

#webperf #imageoptimization #webdev #tutorial

9 min read

Oct 14

How TOTP Two-Factor Authentication Works Under the Hood: RFC 6238 Mathematics, Dynamic Truncation, Time Drift Windows, and

#totp #2fa #rfc6238 #hotp

12 min read

Oct 12

AES-GCM vs AES-CBC: Why CBC Mode Fails in Modern Web Apps, Galois Counter Architecture, and Zero-Dependency Web Crypto Implementation (2026)

#aesgcm #aescbc #cryptography #webcryptoapi

9 min read

Oct 11

How Bcrypt Password Hashing Works: Eksblowfish Key Schedule, Cost Factor Mathematics, the 72-Byte Truncation Trap, and Argon2id Migration (2026)

#bcrypt #cryptography #passwordhashing #argon2id

6 min read

Oct 11

Regex Cheat Sheet for Developers: The 20% of Syntax That Covers 80% of Real Work (2026)

#regex #cheatsheet #patternmatching

9 min read

Oct 10

Base64 Encoding Explained: The 6-Bit Math, Padding Rules, and When Not to Use It (2026)

#base64 #encoding #datauri #jwt

9 min read

Oct 3

JSON in Production: 7 Subtle Bugs That Break Web APIs and How to Debug Them

#json #webdev #debugging #api

4 min read

Oct 3

UUID v4 vs. UUID v7 vs. ULID in 2026: Database Index Performance, B-Tree Fragmentation & When to Migrate

#uuid #database #programming #performance

8 min read

Oct 3

Base64 Encoding: The 3 Silent Bugs That Corrupt Your Data

#base64 #webdev #programming #tutorial

5 min read

loading...