Derk-Jan Karrenbeld

Derk-Jan Karrenbeld @sleeplessbyte

About: Still a random idiot

Location:
Rotterdam, The Netherlands
Joined:
Jul 30, 2017

Derk-Jan Karrenbeld
articles - 12 total

Predicate (Programming logic)

A few words on boolean-valued functions

Learn More 6 0Jun 3 '20

Cross tab events

Running code on other tabs when something happens

Learn More 3 0May 27 '20

FFMPEG examples

Transcoding or probing for the durations with examples and explanations.

Learn More 6 0May 20 '20

Forward arguments in shell

Optionally eating arguments, and passing the rest to the next process.

Learn More 7 2May 13 '20

Internship 2019: Reading list

Sharing the internal 2019 internship reading list.

Learn More 61 0Oct 9 '19

Want to help people learn programming languages?

Exercism is an online platform designed to help you improve your coding skills through practice and m...

Learn More 50 0Sep 26 '19

Tetris: Choosing the tools and setting up the project

Second instalment in the tetris series about building a tetris clone using react

Learn More 43 0Jul 14 '19

Tetris: Building a game using JavaScript

Introduction to building a Tetris clone using react

Learn More 105 7Jul 5 '19

JavaScript, Ruby and C are not call by reference

The difference between call by value, call by reference and a recap of call by sharing.

Learn More 125 27Jun 27 '19

TypeScript types you should know about

A collection of types, core language features and patterns I use daily and you should add to your collection.

Learn More 15 0Jun 18 '19

Writing a code analyzer in TypeScript (from scratch)

The automated mentoring support on exercism is driven by code analyzers. Explore how you can build an analyzer from scratch.

Learn More 105 6Jun 10 '19

Control flow in reduce/inject (ruby)

On how to skip items, conditionally apply logic and how to break or stop iteration early when using reduce/inject in Ruby.

Learn More 9 0Jun 3 '19