How I stopped dumping PDFs and started chatting with my documentation
A few months ago I was drowning in documentation. My team had written hundreds of pages about our internal microservices, configuration guides, and de…
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The 3-Hour Redis Cache Bug: Automated with Pytest
It was 2 AM when my phone started buzzing like crazy. Operations had posted three frantic messages in a row: “Customer order status shows ‘Cancelled’,…
When My AI API Went Down: Building a Resilient Fallback Pipeline
Last month, my side project hit a wall. The AI summarization API I depended on returned a 503 error for three hours. My app – a simple tool that trans…
Measure Your MCP Server's Token Tax in 60 Seconds
The MCP server token tax is the context budget every tool definition eats before your agent does a single useful thing. To measure it, pull the server…
Streaming Responses with Claude API in Python (2026)
Originally published at kalyna.pro Streaming sends Claude's response token by token as it's generated, instead of waiting for the full completion befo…
ip-api.com vs ipify vs IPPubblico — which free IP API should you use in 2026?
ip-api.com vs ipify vs IPPubblico — which free IP API should you use in 2026? If you need a public IP detection or geolocation API for your project, t…
I built an offline threat-hunting CLI in python because spinning up a SIEM for one log file is overkill
so here's the situation i kept running into while studying for security+ and messing with sample log sets. i'd have a single evtx export or a json dum…
When Regex Fails: LLMs for Messy HTML Data
Last month I inherited a project that needed to extract product information from a legacy e‑commerce site. The HTML was a nightmare—no semantic classe…
LLM Memory System Pitfalls: A 3-Hour Bug Hunt Solved with Pytest Snapshot Testing
It was 2 a.m. when the alert call jolted me awake — our production Agent had suffered “amnesia” for three consecutive conversations. The context the u…
Building Zyke: A High-Performance Community Platform with HTMX, Redis, and CKEditor
When I set out to build Zyke: zyke.social , my goal was simple. I wanted a community platform that was incredibly fast, deeply optimized for search en…
I Built a Python Agent That Uses a Vector DB as Memory, Not Retrieval
Vector databases are almost always talked about in the context of RAG. Store your documents, embed them, retrieve the relevant chunks at inference tim…
The Death of Note-Taking and the Rise of the Digital Scribe
In our previous series, we built the Sovereign Vault to verify truth in existing records. But as we move deeper into the age of AI, we face a massive …
Rate Limits & Anti-Bots in Agentic Scraping
TL;DR Agentic web scraping workflows handle rate limits and anti-bot challenge pages by implementing exponential backoff with jitter, distributing req…
How to Build a Telegram Bot with Python and AI (2026)
A Telegram bot is one of the most practical ways to deploy an AI assistant — your users already have Telegram, there's no app to install, and the Bot …
How a pure-Python jq ended up 40x faster than the C bindings
I spent yesterday building purejq , a pure-Python implementation of jq. I expected it to be the slow-but-portable option. Then I benchmarked it agains…
RAG-Based Testing Series — Part 4: Edge Cases — What Breaks RAG & How to Catch It
RAG-Based Testing Series — Part 4: Edge Cases — What Breaks RAG & How to Catch It "Your users will never read your happy path. They will, however,…
How We Optimized a Django Playwright Scraper to Save 60% on Rotating Proxy Bandwidth
As indie hackers and backend developers, we love using modern browser automation frameworks like Playwright to handle heavy, JavaScript-rendered dynam…
What Is Agentic AI? — One Article to Walk You Through It
What is Agentic AI? Agentic AI is AI that can see a task through from start to finish — you give it a goal, and it breaks down the task, calls tools, …
From 100 Logins to 1: Cut E2E Test Time by 78%
It’s 2 AM. The CI pipeline has just failed — again — because of E2E test timeouts. You open the Allure report and see that 47 out of 50 test cases wer…
Your Agent Returns 200 and Lies. Verify Before You Trust
A success gate verifies an AI agent's claimed success before your system accepts it. SuccessGate runs three read-only checks — schema/contract, claim-…
Modern Data Stack Migration — Day 1: Scaling to 8+ Companies with DRY Architecture and Chasing a $2M Discrepancy
Hello everyone! Following up on my previous post , Day 1 of my Modern Data Stack migration was an absolute rollercoaster of refactoring and deep data …
How I fixed silent Ollama failures in my local AI Assistant
How I fixed silent Ollama failures in my local AI assistant Neo-AI is an offline assistant with episodic memory, running entirely on-device using Olla…
I built an AI-personalized news bot that runs on a single SQLite file — architecture and everything that broke
I built an AI-personalized news bot that runs on a single SQLite file — architecture and everything that broke TL;DR — @futur_e_news_bot . A bilingual…
Building Reliable RAG Pipelines: From Prototype to Production
Most teams get RAG working in a notebook over a weekend. Very few get it working reliably in production. The gap is not model quality — it is engineer…
What is Web Scraping? A Beginner's Guide with Real Python Code
Every website you visit is full of data. Web scraping is how you extract that data automatically using code instead of copying it manually. A real pro…
How Python Automation Saves Businesses Hours Every Week
Most small businesses waste hours every week on tasks that a Python script could finish in seconds. Here's exactly what that looks like in real life. …
I Built a Production RAG System on My M1 Mac for $0
I Built a Production RAG System on My M1 Mac for $0 Most RAG tutorials stop at "it answers questions." But answering questions is table stakes. The re…
Your schema validation passes and the agent still picks the wrong tool. The bug is semantic.
Pydantic and JSON-schema guarantee the shape of a tool call. They say nothing about whether it was the right call for the user's intent. TL;DR: We put…
How I Built an FTIR Analysis Platform with Claude (and What I Learned About AI-Assisted Development)
DEV.to Article: How I Built an FTIR Analysis Platform with Claude Title: How I Built an FTIR Analysis Platform with Claude (and What I Learned About A…
I built a tool that generates API docs from your source code - no annotations, no server running, no Swagger config
Before I get into it, yes, I know FastAPI gives you /docs out of the box. Yes, I know Spring Boot has SpringDoc. That is exactly why I want to explain…