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Derk-Jan Karrenbeld profile picture

Derk-Jan Karrenbeld

Still a random idiot

Location Rotterdam, The Netherlands Joined Joined on  Personal website https://derk-jan.com github website twitter website

Education

Some comp. sci. @ Delft, University of Technology

Work

Partner & Operations Manager at XP Bytes

Seven Year Club
Writing Debut
Six Year Club
Five Year Club
Hacktoberfest 2021
Four Year Club
Hacktoberfest 2020
Three Year Club
Hacktoberfest 2019
Two Year Club
Ruby
4 Week Writing Streak
Predicate (Programming logic)

Predicate (Programming logic)

6
Comments
4 min read

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Cross tab events

Cross tab events

3
Comments
5 min read
FFMPEG examples

FFMPEG examples

6
Comments
5 min read
Forward arguments in shell

Forward arguments in shell

7
Comments 2
2 min read
Internship 2019: Reading list

Internship 2019: Reading list

61
Comments
7 min read
Want to help people learn programming languages?

Want to help people learn programming languages?

50
Comments
3 min read
Tetris: Choosing the tools and setting up the project

Tetris: Choosing the tools and setting up the project

43
Comments
26 min read
Tetris: Building a game using JavaScript

Tetris: Building a game using JavaScript

105
Comments 7
5 min read
JavaScript, Ruby and C are not call by reference

JavaScript, Ruby and C are not call by reference

125
Comments 27
9 min read
TypeScript types you should know about

TypeScript types you should know about

15
Comments
7 min read
Writing a code analyzer in TypeScript (from scratch)

Writing a code analyzer in TypeScript (from scratch)

105
Comments 6
17 min read
Control flow in reduce/inject (ruby)

Control flow in reduce/inject (ruby)

9
Comments
6 min read
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