Posted inAI
Beyond the ‘Vibe Check’: Quantifying RAG Performance with RAGAS
Stop relying on 'vibes' to test your AI. Learn how to use RAGAS to quantify Faithfulness, Relevancy, and Recall with automated LLM-based scoring.
Posted inSecurity
Hardening JWT: Real-World Lessons from 6 Months in API Production
Practical JWT security lessons from 6 months in production. Learn why you should migrate to RS256, how to handle revocation with Redis, and how to stop 'none' algorithm attacks.
Posted inDatabase
Apache Cassandra Deployment Guide: NoSQL for High Availability and Write-Heavy Workloads
Apache Cassandra is the go-to database when you need to handle massive write throughput without a single point of failure. This guide walks through deploying a 3-node cluster, designing tables around your query patterns, and tuning Cassandra for real production workloads.
Posted inAI
Fixing RAG Retrieval Failures: A Practical Guide to BM25 and Hybrid Search
Vector search often misses exact technical terms and specific IDs. This guide explains how to combine BM25 and Vector Search using Hybrid Search and RRF to increase RAG accuracy by up to 20%.
Posted inAI
Beyond Linear Chains: Building Production-Ready AI Agents with LangGraph
Ditch the spaghetti code. Learn how to use LangGraph to build resilient, stateful AI agents with built-in error handling and human-in-the-loop checkpoints.
Posted inProgramming
Scaling Beyond REST: A Hands-on Guide to Redis Streams and Python
Tired of cascading timeouts in your microservices? Discover how Redis Streams and Python provide a lightweight, persistent alternative to Kafka for building reliable event-driven systems.
Posted inSecurity
OAuth 2.0 and OpenID Connect Security: Common Vulnerabilities and How to Implement Them Correctly
OAuth 2.0 and OpenID Connect are the backbone of modern authentication, but misconfiguration is common and costly. This guide covers the most frequent vulnerabilities — missing state parameters, open redirects, improper token validation — and shows you how to implement each step correctly with practical Python examples.
Posted inProgramming
Python Background Tasks: A Production-Ready Guide to Celery and Redis
Offload heavy processing and prevent server crashes. This production guide covers implementing Celery and Redis for asynchronous tasks, retries, and scheduled jobs in Python.
Posted inProgramming
Stop Fighting Data Validation Bugs: A Deep Dive into Pydantic v2
Tired of production crashes caused by dirty data? Learn how Pydantic v2 uses a Rust-powered core to provide lightning-fast, type-safe validation and configuration for modern Python.
Posted inAI
Build a Local Voice Assistant with Whisper and Ollama: Fully Offline Speech Recognition and LLM Response
A practical guide to building a fully offline voice assistant using Whisper for speech recognition and Ollama for local LLM responses — no cloud APIs, no latency overhead, complete privacy. Based on six months of production experience with measurable performance data.