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80x40
The git repo as art.
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Why I Don't Hate Git: Hidden Consistency
Some thoughts on why git’s complex user interface works so well in practice.
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The Software Developer's Sketchbook
It's not about technology for its own sake. It's about being able to implement your ideas.
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Testing the 12-inch MacBook's Performance with Windows 10
Read it on alexvking.com
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Covariance and Contravariance
Subtypes and supertypes are a common part of modern programming. Covariance and contravariance tell us where subtypes are accepted and where supertypes are accepted in place of the original type. This shows up frequently in most of the programming most of us do, but many developers are unaware of the concepts beyond a…
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Lessons Learned from Reading Post Mortems
I love reading postmortems. They're educational, but unlike most educational docs, they tell an entertaining story. I've spent a decent chunk of time reading postmortems at both Google and Microsoft. I haven't done any kind of formal analysis on the most common causes of bad failures (yet), but there are a handful of…
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Warming up to Go
Lately, as I’ve had more experience with it, I’ve started to warm up to the language Go (aka “golang”).
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A Path to Enlightenment in Programming Language Theory
Learning about Programming Language Theory can be a tough journey, particularly for programming practitioners who haven’t studied it formally. This resource is here to help. Please feel free to get in touch if you have ideas for improvement.
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Career-Changing Programming Books
When I graduated with a Computer Science degree ten years ago, I was excited to dive into the world of professional programming. I had done well in school, and I thought I was completely ready to ...
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React, Flux, RethinkDB and SageMathCloud – Summer 2015 Update
I've been using databases and doing web development for over 20 years, and I've never really loved any database before and definitely didn'...
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Haskell and floppy disks in Norwegian government
Update December 2015: This project has now ended and the floppy era is over - for me at least. The project has been featured quite a bit in the press and blogosphere. Most notably: BBC World Service (14min12sek in) CBC Spark Norwegian National Broadcasting (NRK) Dagbladet (national newspaper) While mass production of…
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Dropbox starts using POST, and why this is poor API design
Today Dropbox announced in a blogpost titled “Limitations of the GET method in HTTP” that it will start allowing POST requests for APIs that would otherwise only be accessible using GET .
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MicroPython on the BBC micro:bit
A summary of the work done so far on getting MicroPython to work on the BBC micro:bit device for children.
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Best practices for a new Go developer
This year I had the privilege to organize GopherConIndia 2015 and also interview a number of Gophers.
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Explaining the browser's event loop, tasks, and microtasks
When I told my colleague Matt Gaunt I was thinking of writing a piece on microtask queueing and execution within the browser's event loop, he said "I'll be honest with you Jake, I'm not going to read that". Well, I've written it anyway, so we're all going to sit here and enjoy it, ok?
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Elixir Streams
I previously wrote about explicitness in Elixir. One of my favorite ways the language embraces explicitness is in its distinction between eager and lazy operations on collections. Any time you use the Enum module, you’re performing an eager operation. Your collection will be transformed/mapped/enumerated immediately…
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Computer Science by Mail
Hypothetically, how would you teach Computer Science or programming to someone who has no access to a computer, and with whom your only communication is books and postal mail?
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Where Rust really shines
Yesterday I was working on a small feature for the Rust compiler, and came across a situation which really showcased Rust’s awesomeness as a language …
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The mystery of the fifteen-millisecond breakpoint instruction
Experienced professional software engineer based in York, UK
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Regular Expression Crossword Puzzle
A crossword puzzle designed for geeks, every single clue is a regular expression.
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You're in a space of twisty little mazes, all alike
I have a hidden reason for posing this problem, but that's the subject of a future blog post. But for now, let me clarify by saying that I'm not just interested in counting the number of such mazes, I actually want to enumerate them — that is, I need to know what each maze looks like.
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Must Be This Tall to Write Multi-Threaded Code
David Baron put this up in Mozilla’s San Francisco office a while back: