Essential psql Commands for PostgreSQLpsql is the interactive terminal client for PostgreSQL. It lets you connect to databases, run SQL queries, and use powerful meta commands for database management. Connecting to PostgreSQL (Note : here the user is named as “potatoes“, and DB as “mypo...2 min read·kris-learn.hashnode.devFeb 4
Choosing a Modulo to Prevent Overflow in Programming"Prevent overflow in large number calculations with modulo. Understand safe modulo selection, modular arithmetic, and practical programming tips."3 min read·kris-learn.hashnode.devDec 12, 2025
Cookies in Web APIs: The Complete, Developer-Friendly Guide (with Go Examples)A complete, developer-friendly guide to web cookies—how they work, name/value structure, Domain, Secure, HttpOnly, SameSite policies, third-party cookies5 min read·kris-learn.hashnode.devNov 15, 2025
How to Ensure Your Docker & Harbor Machine Images Are SecureLearn how to secure Docker images using Harbor with vulnerability scanning, signed images, immutability, and DevSecOps workflows. Improve container security4 min read·kris-learn.hashnode.devNov 13, 2025
⚙️ AWK Command and Its Uses in Professional WorkflowsMaster text parsing, logs, metrics, and data handling from the command line. 🧭 Introduction: Why AWK Still Matters In the age of powerful observability stacks, cloud-native dashboards, and full-blown log aggregators, it’s easy to overlook the humbl...5 min read·kris-learn.hashnode.devOct 29, 2025
