RSS Amplifier

Blog

Codú

Codú — articles and tutorials for AI builders and indie hackers.

codu.coSource feed ↗50 posts

Live Last read · last published · next check

Written by

Latest posts

How good is AI at grammar checking?

Can you use a large language model for grammar checking without sharing your data with the world?

Codú is growing up

After years as Ireland's largest coding community, here is where it's headed, and why this one is personal for me.

Responsiveness: what it is, how to test it, and how to implement it in TailwindCSS

Responsiveness: what it is, how to test it, and how to implement it in TailwindCSS Responsiveness is the ability of your website/component to be functiona

Software Engineering Best Practices: How to document a Pull Request?

Summary: Documentation is one of the most important and underrated parts of Software Engineering. Learn how to document well a PR!

I built an Open Source alternative to OpenRouter

Hey everyone, I wanted to introduce what we're building because I it's solving a problem a lot of people here have. If you're running OpenClaw agents, ev

Manifest now supports GitHub Copilot subscriptions 💫

The fourth proivider is here . After Anthropic, OpenAI, and Minimax, you can now route your OpenClaw requests through your GitHub Copilot plan. If you use

How I Fixed Supabase Rate Limiting in Production

The Coffee Timer was hitting Supabase's rate limits in production. Here's the exact problem, why it happened, and the four-part fix that solved it. The Pr

What are the five golden rules of web designing?

The five golden rules of web designing are the foundation of every high-performing business website. If you want more enquiries, more sales, and better vis

Website Accessibility Checklist

“Do I really need to worry about website accessibility?” The short answer is yes. Accessibility improves usability, SEO, and your brand reputation.

Getting Started with PostgreSQL in .NET: From Zero to Production

title: "" summary: "Learn how to connect PostgreSQL to your .NET application using Entity Framework Core and Dapper, set up Docker locally, run migrations,

Talking with Claude about the forthcoming crash

I said: Back to you and the forthcoming crash. If we can't prevent it, how do we mitigate it? And are we creating a desolate landscape for mankind? Claud

Structured LLM output in Go

Making an LLM generate structured output in Go.

Best WordPress Plugins (Must-Have Tools for 2026)

Best WordPress plugins are what turn a basic WordPress installation into a powerful, flexible website. From handling forms and eCommerce to improving perfo

LLMs with dynamically loaded tools

How to load tools for LLMs dynamically.

Using Apple's on-device LLM from within JavaScript

How to use Apple's on-device LLM in a Deno app.

A C API for Apple's on-device LLM

Using Apple's on-device model via C API.

Analysing CVs with a local LLM

How hard is it to analyse a CV with a local LLM?

Dynamic schemas for Apple's on-device LLM

Dynamically creating schemas for Apple's LLM tools.

How to Disable Claude Code Attribution

How to Disable Claude Code Attribution Tired of Claude Code adding "Co-Authored-By: Claude" to your commits? Here's the fix. The Setting Add this to you

☕ Just launched The Coffee Timer - my personal productivity project 🚀

\ \ After weeks of development, my time management app is finally in production. It combines the Pomodoro technique with a coffee-inspired aesthetic. \ \ �

Result Pattern in C#

Error handling can make or break the clarity and reliability of your code. While exceptions are powerful, using them for expected business failures leads t

Minimal API Validation in .NET 10

title: "Minimal API Validation in .NET 10" summary: "Discover the new built-in validation support for Minimal APIs in .NET 10. Learn how to use DataAnnotat

Channels in C#

Learn how to build high-performance, thread-safe producer-consumer applications using System.Threading.Channels. Explore bounded and unbounded channels, bac

I have open sourced a WebGL front-end for your terminal that emulates a CRT monitor

I'm thrilled to announce that I've open sourced cool-retro-term-webgl, a modern WebGL-based recreation of the beloved cool-retro-term terminal emulator!

Deep Dive: Understanding Ripple's Runtime and Reactivity System

Introduction Ripple is a compile-time reactive framework that achieves fine-grained reactivity through a sophisticated runtime system. Unlike virtual DOM

How to Start Implementing AI in Your Business, The Practical Way

Everyone talks about AI. Very few actually implement it the right way. The truth is, most businesses don’t fail at AI because it’s complicated; they fail

Adapter Pattern Explained with Real Examples

Image description Introduction You're integrating a third-party payment gateway into your application. Everything looks straightforward until you realize

How to Build a Developer Productivity Stack: Tools and Tips

Developer Productivity Stack As a developer, you probably spend hours writing code, debugging, and working with your team. Having the right tools can sign

Looking to hire Dev

looking for dev to pay for work

Tools for Apple's LLM in JavaScript

How to implement tools for Apple's LLM in JavaScript

Task vs ValueTask in C#

A clear and practical guide to understanding Task vs ValueTask in .NET, with benchmarks, examples, rules of thumb, and real-world recommendations.

Build Your Local AI with C# and .NET

Learn to run artificial intelligence models completely offline with C# and .NET using llama.cpp and LLamaSharp. Control your data, avoid API costs, and buil

LeetCode2273

2273. Find Resultant Array After Removing Anagrams Problem Analysis We are given an array of strings words. According to the problem, we need to repeate

7 Types of Constructors in C#

onstructors are special methods that execute automatically when an instance of a class is created.

Types of Unit Tests in C#

If you're a C# developer looking to improve your code quality, unit tests are your best mate. In this guide, I'll walk you through all the types you need to

Using tools with Apple's on-device LLM

Using tools with LLMs to get data from external sources.

What Is the Best Free Currency Converter API for Accurate Forex Rates?

Why Accurate Currency Conversion Matters Currency conversion plays a crucial role in international business, trading, eCommerce, and even personal finance.

Access Global IP Databases with Free-Tier Geolocation APIs

For modern developers, understanding user location is essential for security, personalization, analytics, and compliance. Accessing this information effici

How Developers Can Automate GitHub Workflows with APIs for Smarter Projects

In the world of software development, automation is no longer a luxury — it’s a necessity. From managing repositories to keeping track of deployments, deve

Rate Limiting in ASP.NET Core – Protect Your APIs Like a Pro

Learn how to implement rate limiting in ASP.NET Core to protect your APIs from abuse, DDoS attacks, and excessive usage. Includes native .NET 7+ features

Database Indexing in .NET with EF Core – Boost Your Query Performance

Learn how to improve query performance in your .NET applications using database indexing with Entity Framework Core. Includes examples with Fluent API, Data

Navigating MCP Security: Risks, Real-World Threats, and Practical Guidance

I was recently reading through a PDF I downloaded from WIZ Security, and I felt it was important to write a post about it and share my learnings. The repo

Building an Azure DevOps Extension for Collaborative Effort-Impact Matrix Prioritization

Democratizing software prioritization through collaborative effort-impact matrix voting. Developers contribute technical insights alongside business value f

Semantic Search with .NET Core and AI: Build Your Smart API from Scratch

Learn how to build a smart API with .NET Core, SQLite, and OpenAI to perform semantic search using embeddings. A practical guide for beginners who want to i

GitHub README images based on prefers-color-scheme

Learn how you can adjust your GitHub README images to look their best based on the users preferred color scheme

Detecting Missing Migrations in EF Core: A Guide for .NET Developers

Image description Entity Framework Core has streamlined how we evolve databases using the Code-First approach. But in real-world projects—especially with

DDD in .NET: Modelling Rich and Meaningful Domains

Learn how to apply Domain-Driven Design in .NET to create expressive, maintainable, and business-focused domain models. Includes practical examples with Val

How to Store Secrets Securely in .NET: Environment Variables, AppSettings, User Secrets and More

Learn the best practices to handle secrets in .NET applications using environment variables, user secrets, configuration files, and Azure Key Vault.

Core-Driven Architecture: Structuring Business Logic for Maintainable and Scalable .NET Applications

Explore Core-Driven Architecture to keep your business domain isolated and clean. Learn how to build maintainable, scalable, and testable .NET applications

Avoiding Indexed Access in .NET: Safer and Faster Alternatives for Production Code

Accessing elements by index is fast but risky in production .NET code. Learn safer and more expressive alternatives to avoid runtime exceptions, fragile log