Mem0 vs Cognee vs Letta: Which AI Agent Memory Actually Sticks?
Mem0 adds drop-in memory in 5 lines. Cognee builds a knowledge graph. Letta makes the agent its own memory. Tested all three — here's which fits your stack.
Python
Mistral OCR 4 Tutorial: Build a Document Pipeline in Python
Extract text, tables, and structured JSON from PDFs using Mistral OCR 4 in Python. Bounding boxes, confidence scores, and a complete invoice pipeline.
LiteLLM Vulnerability 2026: CVSS 10.0 RCE and the Fix
LiteLLM's 2026 CVEs include a CVSS 10.0 unauthenticated RCE that CISA flagged as actively exploited. Which versions are hit and how to patch to v1.83.14+.
uv Python Tutorial: Build a CLI Tool From Scratch
Step-by-step uv tutorial: create a real Python CLI project, manage deps, run tests, lint with ruff, build a wheel, and ship it in Docker — from scratch.
Pyrefly vs mypy vs ty: Which Python Type Checker Should You Use in 2026?
Pyrefly 1.0 checks 1.85M lines/sec with 87.8% conformance, mypy 2.0 adds parallelism, ty hits sub-10ms updates. Full benchmarks and migration guide.
Spec-Driven Development: Build a Python CLI From Spec to Code
Build a complete Python CLI expense tracker using GitHub Spec Kit and Claude Code. Full walkthrough from requirements to working code in 30 minutes.
Gemini CLI Tutorial: Setup, Configuration, and a Real Python Project
Set up Gemini CLI, configure GEMINI.md, wire MCP servers, and build a Python FastAPI project — plus what changed after Google ended the free tier in June 2026.
MarkItDown vs Docling vs Marker: PDF to Markdown 2026
MarkItDown vs Docling vs Marker, tested on 4,000 real PDFs: speed, table fidelity, install size, and the one I actually shipped for a RAG pipeline in 2026.
FastMCP in Python: Build a Real MCP Server (2026 Guide)
Build a production-ready MCP server in Python with FastMCP 3.2 — tools, resources, prompts, GitHub OAuth proxy, MCP Inspector, and Claude Desktop hookup.
Python t-strings (PEP 750): A Practical Tutorial With Real Examples
Python 3.14 t-strings (PEP 750) let you intercept values before string interpolation. Hands-on tutorial with SQL safety, HTML escaping, and structured logging.