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Erik's Ponderings
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The Royal KHM (1938)

After the Underwood 6 from 1936, there was an good chance I would look into getting another typewriter. So this one came up on eBay, and I noticed that it didn’t sell and that the seller, while not...

The Underwood 6 (1936)

In April 2017 I bought my first typewriter: a classic Underwood 6 from 1936. It was actually advertised as an Underwood 5, which would have been even more classic, but I liked the machine and went ...

Scala on Tessel 2

Tessel 2 and its relay module What is Tessel 2? Tessel 2 is a Wi-Fi-enabled development board programmable in JavaScript with Node.js. The first units shipped this month. There is a lot th...

Generalized type constraints in Scala (without a PhD)

Introduction Not long ago I stumbled upon the signature of the flatten method on Option: def flatten[B](implicit ev: A <:< Option[B]): Option[B] I don’t know about you, but I knew about i...

Reading plan: October checkin

My goal for the month of September was making progress reading Intuition Pumps and Other Tools for Thinking. I am now at page 60, so I consider that this was a success. It does help to have small, ...

Reading plan: September checkin

My goal for the month of July was: continue on the synthesis and try to have a closure on it, spending about 2 more hours I didn’t have any goals for August. I only managed to spend another h...

Rationalizing the iPhone 6 Plus

iPhone 6 and iPhone 6 Plus Daniel Miessler asked himself which iPhone 6 to get and I did the same. Here are my thoughts. First, whether considering the 6 or 6 Plus, there is definitely a d...

Reading plan: July checkin

My goals for the month of June were: spend 3 quality hourscomplete synthesis of the organ book I spent 5 hours in June, which is good as that means I did more than planned! However that was not eno...

Thoughts on the Swift language

What it is I am not a language designer but I love programming languages, so I can’t resist putting down a few rough thought on Swift, the new programming language announced on Monday by Apple. It...

Reading plan: June 1 checkin

My goals for the month of May were: 3 quality hours of readingcomplete synthesis of the organ bookpick the next book to read and start I did manage to do a bit more than 3 hours of planned reading,...