Derk-Jan Karrenbeld – Medium

Derk-Jan Karrenbeld

Derk-Jan Karrenbeld
in
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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.

9 min readJun 27, 2019

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JavaScript, Ruby and C are not call by reference

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Derk-Jan Karrenbeld
in
XP Bytes

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.

7 min readJun 17, 2019

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TypeScript types you should know about

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Derk-Jan Karrenbeld
in
XP Bytes

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.

16 min readJun 10, 2019

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Writing a code analyzer in TypeScript (from scratch)

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Derk-Jan Karrenbeld
in
XP Bytes

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.

5 min readMay 23, 2019

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Control flow in reduce/inject (ruby)

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Derk-Jan Karrenbeld

Retroshare Network Configurations

Over the past few days there has been a lot of questions around the network configurations of Retroshare, an application that provides…

7 min readJan 10, 2017

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Retroshare Network Configurations

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Derk-Jan Karrenbeld

Why do I remember?

Alice must have known this feeling, yet I suspect hers to be more of wonder and less of disappointment and lack of understanding. Metres…

4 min readOct 27, 2015

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Why do I remember?

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Derk-Jan Karrenbeld

Bits. And pieces.

Bits. Bits and pieces. Bits and Bytes. I see the spinner whilst it compiles. Waiting. Chunks of code. Bits and pieces. My mind reduced to…

1 min readApr 9, 2015

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Derk-Jan Karrenbeld

Derk-Jan Karrenbeld

Still a random idiot, #cancer -survivor, game-designer, #nerd, socializer, partyanimal, lover and totally fabulous. Data Scientist? Or just plain programmer?

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