Dennis O'Keeffe

Software Engineer by trade. Formerly of Culture Amp, UsabilityHub, Present Company and NightGuru.

Melbourne, Australia Joined on Oct 15, 2018 hello@dennisokeeffe.com https://dennisokeeffe.com

Work

Senior Engineer @ Visibuild

Ruby on Rails, AWS CDK work. Indie Hacking.

TS/JS, Rust, Golang and Python are my languages of choice.

I am currently working on workingoutloud.dev and Den Dribbles. I also run a number of online newsletters on Rust, Golang, TypeScript and weekly development.

165 posts published

42 comments written

36 tags followed

Dennis O'Keeffe

Oct 1 '21

Recapping Kubernetes Basics

#kubernetes

6 min read

Want to connect with Dennis O'Keeffe?

Create an account to connect with Dennis O'Keeffe. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Dennis O'Keeffe

Sep 27 '21

Oil Paint Effect With OpenCV Python

#beginners #python #100daysofpython

2 min read

Dennis O'Keeffe

Sep 25 '21

Generating Fake CSV Data With Python

#python #100daysofpython

9 min read

Dennis O'Keeffe

Sep 22 '21

Semantic Versioning In Python With Git Hooks

#python #100daysofpython

7 min read

Dennis O'Keeffe

Sep 17 '21

PyTest With GitHub Actions

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Sep 13 '21

How PyDoc Helps Your Python Development

#beginners #python #100daysofpython

6 min read

Dennis O'Keeffe

Sep 12 '21

Time Functionality In Python

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Sep 7 '21

Mocking Python datetime In Tests With FreezeGun

#beginners #python #100daysofpython

5 min read

Dennis O'Keeffe

Sep 6 '21

Exceptions In Python

#beginners #python #100daysofpython

3 min read

Dennis O'Keeffe

Sep 5 '21

Datetime In Python

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Sep 4 '21

Working With Regex Expressions In Python

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Sep 3 '21

Annotating Video Clips With MoviePy

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Sep 2 '21

Beautiful CLIs With The Rich Python Library

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Sep 1 '21

Pretty Error Output In Python

#beginners #python #100daysofpython

3 min read

Dennis O'Keeffe

Aug 31 '21

CLI Prompts In Python

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Aug 30 '21

Tip: Interactive Python Notebooks With Binder

#beginners #python #100daysofpython #jupyternotebooks

2 min read

Dennis O'Keeffe

Aug 29 '21

Tip: Making Directories Recursively With Python

#beginners #tips #python #100daysofpython

1 min read

Dennis O'Keeffe

Aug 28 '21

Python Unit Testing With PyTest

#beginners #python #100daysofpython #pytest

4 min read

Dennis O'Keeffe

Aug 27 '21

Releasing workingoutloud.dev

#product #vercel #nextjs #typescript

1 min read

Dennis O'Keeffe

Aug 26 '21

Dev Only Next.js Routes

#beginners #nextjs #javascript

4 min read

Dennis O'Keeffe

Aug 25 '21

Building CLIs With python-fire

#beginners #python #100daysofpython

3 min read

Dennis O'Keeffe

Aug 24 '21

Reading a file directory with Python

#beginners #python #100daysofpython

3 min read

Dennis O'Keeffe

Aug 23 '21

Frontmatter Parsing With Python

#beginners #python #100daysofpython

3 min read

Dennis O'Keeffe

Aug 22 '21

Composing Images and Text with Python

#beginners #python #100daysofpython

4 min read

Dennis O'Keeffe

Aug 22 '21

Unsplash API with Python

#beginners #python #100daysofpython

3 min read

Dennis O'Keeffe

Aug 20 '21

First Steps With Jupyter Notebooks

#beginners #python #100daysofpython

3 min read

Dennis O'Keeffe

Jun 23 '21

Gopher Gold #51

6 min read

Dennis O'Keeffe

Feb 12 '21

A First Look At Generative Art With p5.js

#beginners #node #tutorial #art

6 min read

Dennis O'Keeffe

Feb 11 '21

Debugging JavaScript Performance With NDB

#beginners #node #tutorial #debugging

4 min read

Dennis O'Keeffe

Feb 2 '21

Intro To Debugging Node.js Applications With VSCode

#beginners #node #tutorial #vscode

9 min read

Dennis O'Keeffe

Jan 19 '21

Running Cron Jobs On Your Local Mac

#beginners #tutorial

4 min read

Dennis O'Keeffe

Jan 12 '21

Local AWS development with LocalStack

#aws #dynamodb #s3 #beginners

3 min read

Dennis O'Keeffe

Jan 10 '21

Using DynamoDB on your local with NoSQL Workbench

#dynamodb #aws #tutorial #beginners

4 min read

Dennis O'Keeffe

Dec 2 '20

Icing Developer Weekly, Gopher Gold and Rusticles on Dev.To

#newsletter #update

1 min read

Dennis O'Keeffe

Dec 2 '20

Building A Design System Package With Storybook, TypeScript And React In 15 Minutes

#react #typescript #tutorial #components

7 min read

Dennis O'Keeffe

Dec 2 '20

Rusticles #22 - Wed Dec 02 2020

3 min read

Dennis O'Keeffe

Dec 2 '20

Gopher Gold #22 - Wed Dec 02 2020

8 min read

Dennis O'Keeffe

Nov 29 '20

Weekly Developer Roundup #24 - Sun Nov 29 2020

#webdev #newsletter

8 min read

Dennis O'Keeffe

Nov 25 '20

Rusticles #21 - Wed Nov 25 2020

#rust #newsletter

3 min read

Dennis O'Keeffe

Nov 25 '20

Gopher Gold #21 - Wed Nov 25 2020

#go #newsletter

7 min read

Dennis O'Keeffe

Nov 22 '20

Weekly Developer Roundup #23 - Sun Nov 22 2020

#webdev #newsletter

9 min read

Dennis O'Keeffe

Nov 18 '20

Gopher Gold #20 - Wed Nov 18 2020

#go #newsletter

7 min read

Dennis O'Keeffe

Nov 18 '20

Rusticles #20 - Wed Nov 18 2020

#rust #newsletter

3 min read

Dennis O'Keeffe

Nov 16 '20

Implementing Simple Auth To Your Next.js Website using Next.js Auth

#nextjs #react #vercel #auth

4 min read

Dennis O'Keeffe

Nov 15 '20

Weekly Developer Roundup #22 - Sun Nov 15 2020

#webdev #newsletter

9 min read

Dennis O'Keeffe

Nov 11 '20

Rusticles #19 - Wed Nov 11 2020

#rust #newsletter

5 min read

Dennis O'Keeffe

Nov 11 '20

Gopher Gold #19 - Wed Nov 11 2020

#go #newsletter

6 min read

Dennis O'Keeffe

Nov 8 '20

Exploring The New Image Component With Next.js 10

#nextjs #react #javascript

4 min read

Dennis O'Keeffe

Nov 8 '20

Weekly Developer Roundup #21 - Sun Nov 08 2020

#webdev #newsletter

8 min read

Dennis O'Keeffe

Nov 7 '20

Exploring Internationalisation With Nextjs 10 and react-intl

#nextjs #react #vercel #i18n

6 min read

Dennis O'Keeffe

Nov 7 '20

Taking Stripe Payments With Next.js 10, TypeScript 4, React 17 and Vercel

#nextjs #stripe #typescript #vercel

9 min read

Dennis O'Keeffe

Nov 6 '20

Exploring Vercel Analytics Using Next.js 10 and GTMetrix

#nextjs #react #analytics #vercel

5 min read

Dennis O'Keeffe

Nov 5 '20

Deploying Next.js 10 With Vercel CLI and the Vercel GitHub Integration

#nextjs #react #javascript #vercel

4 min read

Dennis O'Keeffe

Nov 4 '20

Deploying Static Websites To AWS S3 + CloudFront + Route53 Using The TypeScript AWS CDK

#aws #s3 #cloudfront #typescript

7 min read

Dennis O'Keeffe

Nov 4 '20

Exporting Static HTML From A Nextjs 10 Site

#nextjs #react #javascript #webdev

3 min read

Dennis O'Keeffe

Nov 4 '20

Rusticles #18 - Wed Nov 04 2020

#rust #newsletter

3 min read

Dennis O'Keeffe

Nov 4 '20

Gopher Gold #18 - Wed Nov 04 2020

#go #newsletter

6 min read

Dennis O'Keeffe

Nov 1 '20

Weekly Developer Roundup #20 - Sun Nov 01 2020

#webdev #newsletter

9 min read

Dennis O'Keeffe

Oct 28 '20

Rusticles #17 - Wed Oct 28 2020

#rust #newsletter

5 min read

Dennis O'Keeffe

Oct 28 '20

Gopher Gold #17 - Wed Oct 28 2020

#go #newsletter

8 min read

Four Year Club

Three Year Club

Two Year Club

16 Week Streak

8 Week Streak

4 Week Streak

One Year Club

Want to connect with Dennis O'Keeffe?