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Taking My First Steps in Core Python Mastery Today, I kicked off my core Python journey by building a continuous, terminal-based calculator completely
Python Crypto Dashboard: Track BTC and ETH Prices in Real-Time Current BTC: $62,613 (+1.0%) 📈 Current ETH: $1,763 (+1.5%) Build a real-tim
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Copy this entire block and paste it into Dev.to: Every sales tool I've used has the same problem: it forgets everything the moment you close the t
A Python service I work on did something that shouldn't be possible. It wrote a directory full of files, turned around to upload them, and found nothi
It was 3 a.m. when a message from a customer jolted me awake: “Your support bot is amnesic again — after rolling back a conversation, it started mixin
Introduction Through Chapter 6 (Fine-tuning), we focused on improving a single AI system. This chapter introduces multi-agent design, where
TIL: Python's Walrus Operator := Can Simplify While Loops If you're like me, you've written your fair share of while loops that read and pr
Python Performance Tips: Make Your Code 10x Faster Speed matters. Here are the most impactful Python optimizations. 1. Use Built-
Introduction In Chapter 5 (MLOps), we built a CI/CD pipeline. This chapter explores a different approach: fine-tuning — training the model
Introduction Through Chapter 4 (Security), we implemented Evals, Observability, and Security as individual components. In this chapter, we
Discord Bot in 50 Lines of Python I'll show you how to build a working Discord bot that responds to commands in less than 5 minutes. What
Most of the code we write can be checked against something. A tax calculator has the tax code. A JSON parser has a spec. A physics sim has reality. Yo
The most valuable code in my agent stack is the code that does nothing. I run a pipeline where agents research, draft, and queue content for publishi
Build a Real-Time Crypto Trading Dashboard with Python, WebSockets, and React Real-time data is the difference between catching a move and
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At 2:40 a.m., I was jolted awake by an alert. The monitoring dashboard was a sea of red—user service timeouts, database connection pool exhausted. My
2-Minute Python Guide: Context Managers Context managers in Python are a powerful tool for managing resources, such as files, connections,
Sites financeiros são minas de ouro de dados tabulares. Preços de ações, holdings de ETFs, índices de mercado, relatórios de resultados — tudo em tabe
How I built a real-time streaming demo that races OpenAI and Groq side-by-side through agentgateway — and surfaces live observability data to prove ev