Sharing changes, visuals first
Exploring my visuals-first approach to sharing my work internally.
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Searching for and navigating Git commits
Exploring Git’s built-in tools for searching through and analyzing Git commit logs and diffs.
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The web’s clipboard, and how it stores data of different types
Exploring the web’s clipboard APIs, their limitations, and their history.
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2024 Icelandic Developer Survey: Compensation, Technologies, and more
Analyzing data from Iceland’s 2024 developer survey: compensation figures, programming languages, and technologies used.
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Introducing Arkio’s Pin Tool
Archived version of a post I wrote introducing Arkio’s Pin Tool as part of Arkio’s 1.7 release
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Planes in 3D space
Visual and interactive introduction to 2D planes in 3D space.
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JSDoc as an alternative TypeScript syntax
How to type your JavaScript code base without writing a single TypeScript file.
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Iterating over Bit Sets quickly
Multiplying iteration speed by exploiting two’s complement and Hamming weights.
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Bit Sets: An introduction to bit manipulation
Learn about bitwise operators and bit manipulation by implementing a BitSet class in JavaScript.
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Making GRID’s spreadsheet engine 10% faster
Optimizing the performance of GRID’s browser-based spreadsheet engine, through the use of shared immutable objects.
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Why doesn’t TypeScript properly type Object.keys?
A look at TypeScript’s structural type system, and we how we can effectively use it to our benefit.
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Moving to a monorepo: Yes, but how?
Migrating existing repositories to a monorepo structure. A step-by-step guide.
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Multi-cursor code editing: An animated introduction
Animated and interactive intro to multi-cursor editing using Command D and clever text navigation techniques.
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Build your own schema language with TypeScript’s infer keyword
Case study on using TypeScript’s infer keyword, combined with recursive types, to create a custom schema language using template literal types.
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The Engineering behind Figma’s Vector Networks
A deep dive into the world of vector networks, and the engineering challenges involved in their implementation.
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Hey, I'm Alex Harri.
I write about software engineering topics like TypeScript, monorepos, performance, and mathematics.
I've been working as a software engineer in Iceland's vibrant startup scene for over 6 years. I'm currently working as a senior software engineer at Arkio, where I'm developing Arkio's geometry core and editing tools.
You can read more about me, my writing, and my projects on my about page.