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Den Dribbles

All blog posts

A personal blog on all things of interest. Written by Dennis O'Keeffe.

Currently writing about: AWS, Ruby, Rails, React.js, Node.js, TypeScript.

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Exploring Next.js 10
100 Days of Python
Testing with PyTest
Working with dates and times in Python
Working with the TypeScript AWS CDK
DynamoDB With LocalStack And The AWS CDK
Deploying An EKS Fargate Cluster With The AWS CDK
Supervised Learning
Kubernetes with EKS Recap
Creating a trading bot on Swyftx
50 Days of Ruby
Devise with Ruby on Rails 7
Releasing your own Ruby Gem
20 Days of TypeScript

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Up and running with Go 1.22's new built-in router

golang

Go 1.22 comes a brand new built-in router option for more complicated server applications. This is a basic dive in for Golang first timers.

8 min read

Type-safe usage of React as a prop for flexible components

typescript
react

Ever wondered how design systems provide an 'as' prop for their components that you can use to inject or change the component type? Let's look at how we can do this with TypeScript.

8 min read

Mounting Your Own Cloud Storage With Cloud Mounter and AWS

nodejs
typescript
aws cdk
aws

After another failed hard drive meant losing data, I decided to look into mounting my own cloud storage. Here is how I did it.

7 min read

Using Prisma For Migrations And DrizzleORM For Querying

nodejs
typescript
drizzleorm
prisma
orm
postgresql

This post is for you if you are migrating across from a Prisma application or just want to check out the performance difference with DrizzleORM.

6 min read

Node.js --prof and --process-prof flags

nodejs
javascript

Understand the Node.js profile flag by improving an inefficient approach to getting unique elements from an array.

11 min read

Explaining CJS vs AMD vs UMD vs ESM

bun
nodejs
typescript
javascript

One of the JavaScript ecosystems biggest pain points. What are they and why do library maintainers hurt inside when they have to support them all?

9 min read

Mastering API Testing with Supertest, Express.js, and Jest

nodejs
api
expressjs
javascript

A walkthrough on setting up a basic Express.js application and writing tests using Supertest for robust APIs.

5 min read

Diving Into Typescript's Type System: Type Operators

typescript

Join me as we dive deep into TypeScript's type operators, including keyof, index types, and index signatures. I'll be guiding you through practical examples that you can follow along with in the TypeScript Playground. Master these powerful tools with me to boost your TypeScript's code reliability and predictability with an advanced type system.

4 min read