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📰 Medium · Python

809 articles · Updated every 3 hours · View all reads

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Day 15 of My Cloud Engineering Journey: Deploying Applications with Flask, Node.js,
Medium · Python ⚡ AI Lesson 16h ago
Day 15 of My Cloud Engineering Journey: Deploying Applications with Flask, Node.js,
Today was one of the more hands-on days so far. Continue reading on Medium »
FastAPI vs NestJS vs Spring Boot in 2026: I Built the Same API Service in All Three — Raw Truth…
Medium · Python ⚡ AI Lesson 16h ago
FastAPI vs NestJS vs Spring Boot in 2026: I Built the Same API Service in All Three — Raw Truth…
Same endpoints, same load (10k RPS), same team. Here’s the honest performance data, development speed, maintenance reality, and which one… Continue reading on T
PostgreSQL vs MySQL vs ClickHouse in 2026: I Migrated the Same High-Traffic Service to All Three —…
Medium · Python ⚡ AI Lesson 16h ago
PostgreSQL vs MySQL vs ClickHouse in 2026: I Migrated the Same High-Traffic Service to All Three —…
Same dataset, same queries, same 12,000 RPS workload. Here are the raw performance numbers, operational pain, scaling costs, and when each… Continue reading on
I Used Cursor, Claude, and Traditional Coding for 3 Months Straight — The Brutal 2026 Truth
Medium · Python 💻 AI-Assisted Coding ⚡ AI Lesson 16h ago
I Used Cursor, Claude, and Traditional Coding for 3 Months Straight — The Brutal 2026 Truth
I rebuilt the same feature-rich internal tool using three different workflows. Here are the exact productivity numbers, quality… Continue reading on Artificial
Building an Ingredient-Based Visual Question Answering System for Food Images
Medium · Python 👁️ Computer Vision ⚡ AI Lesson 17h ago
Building an Ingredient-Based Visual Question Answering System for Food Images
Food image understanding is usually treated as a classification problem. Given an image, the model predicts one label such as pizza… Continue reading on Medium
How I Built a Functional Python Application in Under 2 Hours Using an AI Pair-Programmer
Medium · Python 💻 AI-Assisted Coding ⚡ AI Lesson 18h ago
How I Built a Functional Python Application in Under 2 Hours Using an AI Pair-Programmer
I had zero app-building experience. A blank screen. And Claude sitting next to me like a senior developer who never gets tired of… Continue reading on Python in
Create Your First Agentic AI with CrewAI in 5 Minutes: A Beginner’s Guide
Medium · Python 🤖 AI Agents & Automation ⚡ AI Lesson 18h ago
Create Your First Agentic AI with CrewAI in 5 Minutes: A Beginner’s Guide
Discover how to build an agentic AI system in under 5 minutes using CrewAI. This beginner-friendly guide covers setting up Python and… Continue reading on Pytho
Medium · Python 📐 ML Fundamentals ⚡ AI Lesson 21h ago
How Polymarket Works Behind the Scenes: Markets, Probabilities, and Liquidity (V2 Deep Dive)
Prediction markets are often described as “trading probabilities,” but that explanation barely scratches the surface. Under the hood… Continue reading on Medium
I Built an Autonomous AI Agent from Scratch in Python — Here’s Exactly How
Medium · Python 🤖 AI Agents & Automation ⚡ AI Lesson 21h ago
I Built an Autonomous AI Agent from Scratch in Python — Here’s Exactly How
A step-by-step guide to building a multi-tool AI agent with Groq, LLaMA 3.3, DuckDuckGo Search, and a Streamlit UI — no LangChain required. Continue reading on
Scori: how I built a dependency friction scorer — and what I learned along the way
Medium · Python ⚡ AI Lesson 21h ago
Scori: how I built a dependency friction scorer — and what I learned along the way
Updating a dependency sounds simple. In practice, it’s an engineering decision nobody is measuring properly. Continue reading on Medium »
Stop Doom-Scrolling Financial News — I Built an AI That Does It (and Reviews Itself)
Medium · Python ⚡ AI Lesson 1d ago
Stop Doom-Scrolling Financial News — I Built an AI That Does It (and Reviews Itself)
Series: AI in Finance — Part 2 Continue reading on Medium »
# Linear Regression Isn’t About Drawing Lines — It’s About Minimizing Mistakes
Medium · Python 📐 ML Fundamentals ⚡ AI Lesson 1d ago
# Linear Regression Isn’t About Drawing Lines — It’s About Minimizing Mistakes
When I first learned Linear Regression, I thought the goal was simple: find a line that passes through all the data points. Continue reading on Medium »
ROC-RSI Strategy: Beat Buy & Hold Across 50 Stocks
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1d ago
ROC-RSI Strategy: Beat Buy & Hold Across 50 Stocks
A dual-momentum confirmation engine — stress tested across over 2,000 stocks, walk-forward optimized, and built for real execution Continue reading on Medium »
Medium · Python 📐 ML Fundamentals ⚡ AI Lesson 1d ago
CVaR-Aware Position Sizing: Using QR-DQN Quantiles to Reduce Tail Risk
A practical risk-control pattern for financial ML systems: turn return distributions into position-size multipliers. Continue reading on Medium »
Free AI APIs for Prototyping: How Far Can You Get Without Paying?
Medium · Python 🤖 AI Agents & Automation ⚡ AI Lesson 1d ago
Free AI APIs for Prototyping: How Far Can You Get Without Paying?
A few days ago, I decided to build a small lead magnet for Telegram channel. Continue reading on Medium »
RAG From Scratch: Ultimate Guide using langchain-ai/rag-from-scratch Repository
Medium · Python 🧠 Large Language Models ⚡ AI Lesson 1d ago
RAG From Scratch: Ultimate Guide using langchain-ai/rag-from-scratch Repository
Large Language Models (LLMs) are revolutionary, but they suffer from two major flaws: Knowledge Cutoff and Hallucinations. They cannot… Continue reading on Medi
Inteligența Prețurilor în E-commerce: Cum automatizarea monitorizării competitorilor protejează…
Medium · Python 📣 Digital Marketing & Growth ⚡ AI Lesson 1d ago
Inteligența Prețurilor în E-commerce: Cum automatizarea monitorizării competitorilor protejează…
De Vasile Bratu Senior Python Engineer & Data Automation Specialist Continue reading on Medium »
The Behavioral Interview Mistake Senior Engineers Keep Making
Medium · Python ⚡ AI Lesson 1d ago
The Behavioral Interview Mistake Senior Engineers Keep Making
You memorized the STAR method. That’s the problem. Continue reading on Stackademic »
I Learned 10 ML Models. Then I Had No Idea Which One To Use.
Medium · Python 📐 ML Fundamentals ⚡ AI Lesson 1d ago
I Learned 10 ML Models. Then I Had No Idea Which One To Use.
A few days ago, one of my mentees asked me a question that completely caught me off guard. Continue reading on Medium »
Python Models for Loan Pricing and Risk Adjustment: A Modern Approach to Financial Strategy
Medium · Python 📐 ML Fundamentals ⚡ AI Lesson 1d ago
Python Models for Loan Pricing and Risk Adjustment: A Modern Approach to Financial Strategy
The landscape of financial services is undergoing a profound transformation. In an era defined by volatile interest rates, stringent… Continue reading on Medium