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Learned Geek Blog

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Computers January 13, 2026

When Your Discord Bot Stops Hearing: A Debugging Odyssey

How I spent days debugging a silent Discord bot, only to discover the application itself was corrupted—and Discord gave zero indication anything was wrong.

discord discord-net debugging csharp dotnet

Computers January 11, 2026

How This Blog Works: From Markdown to Web Pages

No database, no CMS, no admin panel. Just Markdown files, a JSON registry, and a thin C# service. Here's exactly how this blog turns plain text into the page you're reading.

blog markdown aspnet-core architecture markdig csharp

Computers January 9, 2026

Building a Language Switcher That Actually Remembers: .NET Localization Part 2

Your translations work, but users have to dig through browser settings to change languages. Let's build a dropdown that remembers their choice with cookies.

dotnet localization aspnet-core cookies i18n csharp

Computers January 6, 2026

TLDRkseid: Building a Discord Bot That Summarizes Chaos

I built a Discord bot to summarize hundreds of messages using OpenAI - then discovered that all Discord bots run as a single instance serving every server. Here's the journey.

discord bot openai csharp dotnet ai side-project

Computers January 5, 2026

Invisible Spam Protection: reCAPTCHA v3 in ASP.NET Core

Adding invisible bot protection to a contact form with Google reCAPTCHA v3 and a honeypot field - no puzzles, no friction, no spam.

recaptcha aspnet-core security spam csharp