Posted inPython
Practical Python Security: Don’t Expose Passwords by Misusing Hashlib
Avoid exposing user passwords due to basic mistakes. Learn how to use hashlib (PBKDF2), secrets, and HMAC in Python for expert-level application security.
Posted inDevelopment
Hexagonal Architecture in Go: Don’t Let Infrastructure “Strangle” Your Business Logic
Completely decouple Business Logic from Infrastructure in Go using Hexagonal Architecture. A detailed implementation guide for more maintainable and testable projects.
Posted inDevelopment
Building Spring Boot 3 & PostgreSQL REST APIs: From ‘Working’ Code to Production-Ready Systems
Level up your backend skills with this professional Spring Boot 3 REST API guide. Focus on JWT security, PostgreSQL, and real-world Docker deployment.
Posted inDevelopment
Building 2FA with Node.js: Don’t Let Passwords Be Your Only Line of Defense
Learn how to build a Two-Factor Authentication (2FA) system using the TOTP standard with Node.js. A detailed guide on using speakeasy and qrcode with real-world security tips.
Posted inPython
Python lxml: The ‘Heavy Weapon’ for Processing XML/HTML in Legacy Systems
Improve XML/HTML processing performance in Python with lxml. A detailed guide on parsing large files, using XPath, and XSLT for legacy enterprise systems.
Posted inDevelopment
Building Background Jobs for Next.js: Say Goodbye to Redis, Welcome Inngest
Forget Redis and BullMQ. Inngest is a serverless-native solution that helps you build Background Jobs and Workflows for Next.js quickly, reliably, and with ease.
Posted inMySQL
Mastering OPTIMIZER_TRACE: The Pro Technique for Dissecting MySQL Index Selection Logic
A guide to using OPTIMIZER_TRACE for deep analysis of MySQL index selection. Resolve SQL performance issues effectively based on actual execution costs.
Posted inDevelopment
Go Generics in Practice: From 2 AM Runtime Errors to Clean Microservices Architecture
Discover how to apply Go Generics to optimize Microservices. A detailed guide on Type Parameters, Constraints, and reducing boilerplate by 70% while ensuring Type Safety.
Posted inDevelopment
Integrating PayOS with Node.js: Clean Webhook Handling to Never Lose an Order
Learn how to professionally integrate PayOS with Node.js: From creating VietQR payment links to secure webhook handling, order deduplication, and real-world debugging tips.
Posted inPython
Handling Time in Python: Why You Should Use Pendulum Instead of Datetime?
Handling timezones and dates in Python has never been easier. Discover why Pendulum has become the perfect alternative to the traditional datetime module.