SQLAlchemy Essentials: A Beginner’s Roadmap
Key Takeaways SQLAlchemy is both an ORM and a SQL toolkit — pick one, use both, whatever works for your situation. Learn Engine, Session, and Declarat…
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I Shipped One Messy Python Script. Here's the 10-Point Checklist That Got It There.
AI writes you a working Python script in about ninety seconds. It runs. You move on. But the script has a long afterlife. It picks up a hardcoded Down…
I Stopped Fighting Prompts: Locking Down Markdown with Jinja2
We faced a recurring issue in our content generation pipeline: the LLM frequently outputted malformed Markdown. Unclosed code blocks, broken list leve…
Why I ditched regex scrapers for an LLM parser (and when you shouldn't)
Last month I needed to scrape product details from 30 different e-commerce sites. Each site used its own HTML structure, class names changed weekly, a…
How to Use a SERP API with Python to Track Google Rankings
Tracking Google rankings sounds simple at first. You have a keyword. You search it on Google. You check where your website appears. That works if you …
Memory Leaks in Python and How to Overcome Them
Python is known for being simple, readable, and developer-friendly. One of its biggest advantages is automatic memory management, which means develope…
When Regex Fails: My Journey to AI-Powered Data Extraction
I spent three hours the other day staring at a regular expression that was supposed to extract phone numbers from a pile of scraped HTML. It worked fo…
WebScan v2.0: от идеи до pip install за одну неделю — путь, ошибки и бенчмарк
Предыстория 1 день назад я опубликовал первую статью про WebScan из Песочницы Хабра. Честно — не ожидал ничего особенного. Думал придут 50 человек, мо…
Automate Your Healthcare: Building an AI Agent to Book Doctor Appointments and Archive Lab Reports
We've all been there: staring at a clunky, 10-year-old hospital web portal, clicking through endless nested menus just to book a simple check-up or do…
Predictive Alpha: Pipeline Engineering for Real-Time Machine Learning Inference
Most retail algorithmic trading bots rely heavily on legacy technical analysis indicators—think RSI, MACD, or Bollinger Bands. While these indicators …
Build a Private Voice Assistant with Whisper, Ollama, and Kokoro TTS
Have you ever wanted your own Jarvis? A voice assistant that listens, thinks, and speaks back - all running privately on your own hardware? Here's how…
AI Pair Programming in Your Terminal with Aider and Ollama
Want an AI coding assistant that works on YOUR codebase, respects YOUR git history, and doesn't send your code to the cloud? Aider + Ollama gives you …
Build a Unified AI Gateway with LiteLLM and Ollama
Unify all your AI models - local and cloud - behind a single OpenAI-compatible API with LiteLLM and Ollama. LiteLLM is a proxy server that exposes 100…
Окупается ли мультиагентность и можно ли автоматически выбрать паттерн под задачу?
Я прогнал шесть мультиагентных паттернов на трёх бенчмарках и трёх моделях. Под командой агентов тут понимаются связки вроде критика-актора или оркест…
CKA Overview & Exam Pattern: The Kubernetes Certification That Actually Tests Your Skills
🚀 CKA Exam Overview: What Every Kubernetes Engineer Should Know Before Starting If you're working in DevOps, Cloud Engineering, Platform Engineering, …
Don't Skip the Dataset Description (I Almost Did, and It Would've Cost Me)
Started looking for a tourism dataset on Kaggle for a new project. Found one with real UNWTO data, but it only went up to 2022 — not enough for what I…
Hillock: A brain-inspired, CPU-bound memory gate for local LLMs
Hi everyone, I've been hacking on a local personal memory system called Hillock . Honestly, it's very much a work in progress and it isn't some flawle…
How to Build a High-Performance RAG Pipeline with Ollama, Python and TypeScript
The TL;DR If you need to spin up a local, privacy-first AI agent that can query your own internal documents without sending data to third-party APIs, …
Samiksha AI: Universal Review & comment Analyzer
Hey DEV Community! I recently participated in a hackathon and built Samiksha AI , a universal review and comment analyzer designed to turn messy custo…
Blast Radius of an AI Agent's API Key: Score It in 40 Lines
The blast radius of an API key is not "did it leak." It's "if the agent holding it does the wrong thing, how much of your stack goes with it." A secre…
Building BookVerse AI: An Intelligent Book Recommendation System
Finding the next book to read can be overwhelming. To solve this, I built BookVerse AI, a content-based book recommendation system web application wit…
Python's collections Module: Beyond defaultdict and Counter — 4 Hidden Gems That Solve Real Problems
Python's collections Module: Beyond defaultdict and Counter — 4 Hidden Gems That Solve Real Problems Every Python developer knows defaultdict and Coun…
Три задачи discovery при работе с PostgreSQL master/replica — и как их решить
Когда у приложения появляется несколько хостов PostgreSQL, начинается головная боль: нужно динамически находить мастера после failover, выбирать репли…
Three PostgreSQL Master/Replica Discovery Problems — and How to Solve Them
When an application starts using multiple PostgreSQL hosts, the headaches begin: you need to dynamically find the master after a failover, pick a repl…
Difference between module, package and library in Python
A Python package and library often seem interchangeable and we hardly pay attention to them in our daily use. But indeed they are very different in te…
Build a Revenue and Stock Price Combo Chart with Python
Financial charts often combine metrics that live on completely different scales. For example: company revenue measured in billions of dollars, stock p…
How to Use Python's logging Module Like a Pro — From Beginner to Production Setup
How to Use Python's logging Module Like a Pro — From Beginner to Production Setup Python's built-in logging module is one of those tools every develop…
I was fine-tuning a language model on Arabic. The loss was perfect. It spoke Chinese.
Repo: github.com/AmmarHassona/trainsafe I was working on fine-tuning an open-source small language model (SLM) on Arabic using DPO. I had the data, th…
How I stopped fighting AI API chaos with a simple proxy
I recently took on a side project that needed to tap into multiple AI models – GPT-4 for complex reasoning, Claude for creative writing, and a local L…
Understanding Memory Usage in Django Webserver Workers
If you are coming from the PHP world, you might be used to thinking that when a request reaches the web server, everything is parsed and processed fro…