Tofu Authenticator
· Tagged iOS
In this talk, given at the CocoaHeads Stockholm meetup hosted by Propellerhead, I present Tofu Authenticator, a two-factor authentication app I started working on in the beginning of 2016.
Hi. I’m Calle.
I make apps and websites, travel the world, write, and organize events. I live in Stockholm, Sweden and work as a freelance developer. Read more about me or say hi.
Sometimes, I write articles and give talks. When I do, I post them on this website. If you want to keep up with what I post here, subscribe to my feed.
· Tagged iOS
In this talk, given at the CocoaHeads Stockholm meetup hosted by Propellerhead, I present Tofu Authenticator, a two-factor authentication app I started working on in the beginning of 2016.
· Tagged health
A lightning talk in which I read aloud from my journal and talk about mental health and happiness.
· Tagged unity, gamedev
A lightning talk in which I demonstrate and describe how I implemented a 2D soft body physics system in Unity.
· Tagged c
Knowing how compilation works can be very helpful both when writing code and debugging.
· Tagged health
When I decided to change my diet and eating habits a few weeks back, I did so for a number of reasons. One of them was to improve my overall well-being and health.
· Tagged health
To kick off project body recomposition, I decided to get a more accurate body fat percentage measurement.
· Tagged health
Two and a half weeks ago, I started following the slow-carb diet proposed by Tim Ferriss in the book The 4-hour Body. Since then, I have lost a total of 5.4 kg of weight and 23 cm of total circumference around upper arms, waist, hips and thighs while not being hungry a single time.
· Tagged compsci, ruby
A twenty minute talk in which I explain what a recursive descent parser is and shows how to implement one using the parslet gem.
· Tagged sdl, gamedev
A twenty minute talk introducing SDL and showing a demo of how to use it to open a window and render an image on screen.
· Tagged ruby
A common use of bitwise operators is working with series of flags and bitmasks. Doing so allows flags to be represented by individual bits which makes for memory efficient storage and code.
· Tagged unix, ruby
A twenty minute talk about documentation and how to convert Ruby docs to unix man pages stored locally for offline access.
· Tagged heroku, ruby
A lightning talk about Heroku buildpacks and how to use them to install and run custom software on Heroku.
· Tagged compsci, ruby
A ten minute talk covering what cryptographich hash functions are, what they’re used for, and what a simple implementation might look like.
· Tagged linux
In this guide, I’ll show you how to set up and configure a basic Linux server in the DigitalOcean cloud running Debian 7 Wheezy.
· Tagged ruby
When working in a high-level language like Ruby, it’s quite rare seeing bitwise operators used. Nevertheless, knowing how they work might still be very helpful at times.
· Tagged ruby
When extracting data from a string using a regular expression in Ruby, the splat
* operator can come in handy.
· Tagged ruby
After discovering the usefulness of the Hash#fetch method while watching an
episode of Avdi Grimm’s excellent Ruby Tapas screencast, I’ve started using
it more frequently. In this post I’ll share what I’ve learnt.