# Félix Sanz

> Articles and tutorials about programming, artificial intelligence and open source. By Félix Sanz.

Every article is available as Markdown by appending `.md` to its URL.

## Articles

- [SDXL-Lightning: quick look and comparison](https://www.felixsanz.dev/articles/sdxl-lightning-quick-look-and-comparison.md): With SDXL-Lightning you can generate extremely high quality images using a single step.
- [Ultimate guide to optimizing Stable Diffusion XL](https://www.felixsanz.dev/articles/ultimate-guide-to-optimizing-stable-diffusion-xl.md): Discover how to get the best quality and performance in SDXL with any graphics card.
- [PixArt-α with less than 8GB VRAM](https://www.felixsanz.dev/articles/pixart-a-with-less-than-8gb-vram.md): Perform the inference process of this generative image model with just 6.4GB of VRAM.
- [How to implement Stable Diffusion](https://www.felixsanz.dev/articles/how-to-implement-stable-diffusion.md): After seeing how Stable Diffusion works theoretically, now it's time to implement it in Python.
- [NixOS made me go back to Windows](https://www.felixsanz.dev/articles/nixos-made-me-go-back-to-windows.md): I'll tell you about my experience using NixOS and why I decided to switch from Linux to Windows after 2 decades.
- [Compatibility between PyTorch, CUDA, and xFormers versions](https://www.felixsanz.dev/articles/compatibility-between-pytorch-cuda-and-xformers-versions.md): Learn how to fix dependency conflicts in Artificial Intelligence software.
- [How to create QR codes with Stable Diffusion](https://www.felixsanz.dev/articles/how-to-create-qr-codes-with-stable-diffusion.md): Create decorative, professional and 100% functional QR codes using Stable Diffusion and ControlNet.
- [Complete guide to samplers in Stable Diffusion](https://www.felixsanz.dev/articles/complete-guide-to-samplers-in-stable-diffusion.md): Dive into the world of Stable Diffusion samplers and unlock the potential of image generation.
- [How Stable Diffusion works](https://www.felixsanz.dev/articles/how-stable-diffusion-works.md): Understand in a simple way how Stable Diffusion transforms a few words into a spectacular image.
- [Web security: HSTS](https://www.felixsanz.dev/articles/web-security-hsts.md): Improve the security of your website with the HSTS policy, preventing data traffic by insecure means.
- [Introduction to data compression on the web](https://www.felixsanz.dev/articles/introduction-to-data-compression-on-the-web.md): Optimize the size and speed of your web application thanks to the correct use of data compression.
- [Web security: TLS](https://www.felixsanz.dev/articles/web-security-tls.md): What is TLS? In this article you will learn how it works, how TLS protects HTTP traffic and how it differs from SSL.
- [How the Internet works](https://www.felixsanz.dev/articles/how-the-internet-works.md): Understanding the pillars on which the Internet works is fundamental to understanding the server side.
- [Introduction to systemd](https://www.felixsanz.dev/articles/introduction-to-systemd.md): Turn your applications into managed and monitored services without the need for external applications.
- [Introduction to iptables](https://www.felixsanz.dev/articles/introduction-to-iptables.md): Protect your server with this powerful firewall thanks to basic and easy to understand rules.
- [The new web application manifest](https://www.felixsanz.dev/articles/the-new-web-application-manifest.md): Thanks to the manifest.json file, the gap in terms of functionality with the native platform is narrowed.
- [How to choose an SSL certificate](https://www.felixsanz.dev/articles/how-to-choose-an-ssl-certificate.md): All about SSL certificates. What features they offer and how to choose the best one for your website.
- [Semantic versioning for software libraries](https://www.felixsanz.dev/articles/semantic-versioning-for-software-libraries.md): Adopt best practices in your software libraries using the semantic versioning specification.
- [How to choose the right pagination method](https://www.felixsanz.dev/articles/how-to-choose-the-right-pagination-method.md): Several pagination systems under review: numeric pager, infinite scroll, load more button...