Data Science Tutorials

Learn how to insert signatures in Excel using images, drawing, text, and digital certificates. This guide covers signature lines, anchoring and protection options, and fixes for common signature issues.

Learn how to use Excel Format Painter to copy formatting quickly, apply it across cells and sheets, and avoid common mistakes.

Run Qwen3-Coder-Next locally on an RTX 3090 with llama.cpp, then vibe code a complete analytics dashboard in minutes using Qwen Code CLI.

Learn how to run a top open-source model locally with llama.cpp, connect it to the Kimi CLI, and one-shot an interactive game using vibe coding.

Learn how to create dependent drop-down lists in Excel using named ranges and dynamic arrays, fix common problems, best practices, and build error-free lists.

What if real-time AI voice conversations felt natural, interruptible, and genuinely human? Learn how to run NVIDIA PersonaPlex locally and experience true full-duplex conversational AI.

Learn how to list your local and remote Git branches and filter them using git branch. Master troubleshooting with git fetch, git checkout, and git prune.

Understand the technique that rules many disciplines like mathematics and physics, and understand its importance.

Learn how to combine local FLUX.2 Klein 4B generation with API-based image editing, multi-reference conditioning, and session history to create an image editor with Gradio.

Run GLM 4.7 Flash locally (RTX 3090) with Claude Code and Ollama in minutes, no cloud, no lock-in, just pure speed and control.

Learn how to generate videos using the Grok Imagine API. This Python guide covers everything from image animations to video editing with the new xAI video model.

Docker Scout analyzes container images for vulnerabilities and generates Software Bills of Materials. It gives you built-in security visibility for Docker-based development workflows - no need for separate tools or complex setup.