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A new Python Packaging Council, PEP 803 stabilizes the free-threaded ABI, the incremental GC gets reverted, and Astral changes hands.
Test your knowledge of SQLite and SQLAlchemy in Python, from flat files and SQL to ORM models and many-to-many relationships.
Building an AI-Powered Quantitative Trading System with Hermes Agent and IBKR How I set up a multi-signal ETF trading bot that runs on auto
I wanted to understand how AI coding tools actually work under the hood. Not just use them — but build one myself. So I built AgentCode: an open-sour
Python 3.13 No-GIL Scaling on 64 Cores: Faster Than 3.12 Multiprocessing for Data Pipelines? Python’s Global Interpreter Lock (GIL) has lon
Your application fetches a URL. The user supplied it. Your server makes the request, follows the redirect, and returns the content. The URL pointed t
At 4:59 PM on a Friday, I was about to close my laptop and sneak out when the QA colleague's icon flashed on DingTalk: "Come check this out. The suppo
Python Decorators Explained Simply Introduction Python Decorators Explained Simply is essential knowledge for every developer.
Why Your AI Agent Dies in Production (And What to Do About It) You deploy an AI research agent. It works perfectly in demos. It searches th
Your Pipeline Is 28.3h Behind: Catching Human Rights Sentiment Leads with Pulsebit We recently discovered a striking anomaly in sentiment a
Your Pipeline Is 21.4h Behind: Catching World Sentiment Leads with Pulsebit We just uncovered a striking anomaly: a 24h momentum spike of +
A daily deep dive into cv topics, coding problems, and platform features from PixelBank. Topic Deep Dive: HDR Imaging From the Computat
Python Decorators Explained Simply Introduction Python Decorators Explained Simply is essential knowledge for every developer.
How to Prevent IDOR Vulnerabilities in Django REST APIs An authenticated user changes /api/orders/42/ to /api/orders/43/ and reads someone
When most developers want to scan their code for security vulnerabilities, they install Semgrep or Snyk and call it a day. I did the opposite. I built
AI agents are showing up everywhere — in CI pipelines, internal tools, customer-facing products. But most teams have no easy way to answer basic quest
The DataFrame class (from Pandas) is a work of art. Even if you never "do data", priceless lessons can be gleaned by studying this class. It starts s
Your pipeline just missed a significant anomaly: a 24-hour momentum spike of +0.789 in the entertainment sector. This spike, coupled with the leading
A self-hosted Langfuse instance, 21 hours of production traffic, 516 traces, $2.86 in spend, and an OpenRouter-fronted LLM router shuffling 24 differe
At 2 AM, an alert pulled me out of bed — the database connection pool of our order service was exhausted, and most requests were returning 504. It tur