Articles by Tag #todayilearned

Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!

Creating a Security Incident Portal with Kiro and AWS

This article aims to showcase how Kiro’s features can be used to build a simple security incident...

Learn More 41 0Sep 15 '25

TIL: BEAM Dirty Work!!

I’ve been studying again operating systems — processes, threads, CPU scheduling — and wanted to...

Learn More 5 2Oct 1 '25

My First Experience as a Speaker at AWS Community Day

Hello everyone! 👋 Last weekend, I had the amazing opportunity to be a speaker at AWS Community Day...

Learn More 3 0Nov 4 '25

What I learned from my first week in Rust

Rust is a modern programming language with unique memory safety features that make it particularly...

Learn More 3 1Dec 6 '25

My Model Cheated: How Grad-CAM Exposed a 95% Accuracy Lie

The Project This week I was trying to work on a simple Deep Learning project to get...

Learn More 0 0Nov 30 '25

TIL in the Age of Generative AI: Writing with a Focus on Soft Skills

Summary TIL (Today I Learned) seems redundant in the age of generative...

Learn More 0 0Nov 22 '25

Terraform: AWS EKS Terraform module update from version 20.x to version 21.x

AWS EKS Terraform module version v21.0.0 added support for the AWS Provider Version...

Learn More 0 0Sep 13 '25

Implementing OWIN Authentication with Microsoft Entra ID in ASP.NET Framework

This article purpose is to describe how to secure your ASP.NET Framework application using OWIN...

Learn More 40 1Sep 10 '25

🧠 System Design: Foundations, Scaling Strategies, and Resilience Patterns

💡 What Is System Design and Why It’s Valuable System design is the process of planning how...

Learn More 0 0Oct 20 '25

Implementing a Secure Data Governance Architecture on AWS with S3, Glue, Athena, and Lake Formation

This article explains how to built a secure and fully auditable data governance architecture using...

Learn More 8 0Oct 18 '25

TIL: Always Wrap Collections in API Responses

I originally posted this post on my blog. Note to future me: You've learned this before. But...

Learn More 3 0Nov 12 '25

Rebuilding Bloated cron jobs with Event Bridge Scheduler

Preface of something that barely exists, as everything is a simulation, innit? I should...

Learn More 15 0Jun 25 '25

Terraform: using Ephemeral Resources and Write-Only Attributes

Ephemeral resources and write-only arguments appeared in Terraform a long time ago, back in version...

Learn More 0 0Dec 28 '25

Just another November 11

Coding. AI-ng solutions. Reading concepts. *The loop. * We sometimes stumble on problems that we've...

Learn More 0 0Nov 12 '25

Day-17 Multi-Stage Dockerfiles are a Game Changer for Django 🐳

The Setup I’ve been diving deeper into containerization, and today I decided to tackle a Django...

Learn More 0 0Dec 26 '25

Day-18 Docker Network Drivers & The ADD vs COPY Trap

Today I went deep into Docker internals. Here are my notes on Network Isolation and Dockerfile...

Learn More 0 0Dec 27 '25

OpenSkills, adding Claude Skills and Superpowers for any agent or IDE

Superpowers is a complete software development workflow for your coding agents, built on top of a...

Learn More 3 0Dec 20 '25

AMAZON WEB SERVICES

Do you have something you want to create but don’t have all the resources to make it happen? Maybe...

Learn More 0 0Nov 17 '25

Concepts Of Cloud Computing

Firstly what is cloud computing? Cloud computing is the on-demand delivery of IT resources—like...

Learn More 5 0Oct 29 '25

Exploring Load Balancing in Caddy Using Docker

Hello there! In this post, we'll dive into the world of Caddy, a modern and powerful web server....

Learn More 6 0Aug 27 '25

POO? (Orientação a objetos)

Classe substantivo feminino cada um dos grupos ou divisões de uma série ou conjunto; categoria,...

Learn More 0 0Dec 26 '25

Kubernetes: Kubernetes API, API groups, CRDs, and the etcd

I actually started to write about creating my own Kubernetes Operator, but decided to make a...

Learn More 0 0Sep 13 '25

TIL: Configure Default Values for Nullable Columns With Default Constraints in EntityFramework Core

I originally posted this post on my blog a long time ago in a galaxy far, far away. TL;DR: For...

Learn More 2 2Feb 10 '25

Kubernetes: what are the Kubernetes Operator and CustomResourceDefinition

Perhaps everyone has used operators in Kubernetes, for example, PostgreSQL operator,...

Learn More 0 0Sep 13 '25

Real-Time ALB Log Analysis for Proactive Integration Recovery via Datadog Monitors, Workflows and AWS Lambda

In the realm of the unknown, sometimes we need to reinvent ourselves and make something we call, here...

Learn More 3 0Dec 8 '25

Personal Dev Portfolio

Face it! Every one of us has started a portfolio or a side project and setup everything just to not...

Learn More 0 0Mar 25 '25

Kubernetes: PVC in a StatefulSet, and the “Forbidden updates to statefulset spec” error

Kubernetes: PVC in StatefulSet, and the “Forbidden updates to statefulset spec” error We...

Learn More 0 0Sep 13 '25

TIL: AutoMapper Only Considers Simple Mappings When Validating Configurations

I originally posted this post on my blog. Oh boy! AutoMapper once again. Today I have...

Learn More 3 0Mar 17 '25

Terraform: using import, and some hidden pitfalls

Terraform has two ways to bring existing resources under Terraform management — using the Terraform...

Learn More 1 0Jul 19 '25

API Idempotency: Why Your System Needs It?

API Idempotency: Why Your System Needs It? In any system, there are processes that cannot...

Learn More 1 0Sep 19 '25