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The visitor pattern is essentially the same thing as Church encoding
The functional programming analog of an object-oriented design pattern
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,517 posts.
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Implementing form filling and accessibility in the Firefox PDF viewer
We decided it was time to reinvest in the PDF viewer (PDF.js) and support filling PDF forms within Firefox to make our users' lives easier.
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The future of Python build systems and Gentoo
Anyone following my Twitter could have seen me complaining about things happening around Python build systems frequently. The late changes feel like people around the Python packaging ecosystem hav…
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Fun and dystopia with AI-based code generation using GPT-J-6B
At the least, AI-generated code is much more readable than the average human’s.
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Practical Front-End Architecture
We’ve been upgrading our frontend tech stack at Liferay Cloud this past year. Nifty tools we’ve adopted include:...
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How I Write Code: Pen and Paper
How I Write Code: Pen & Paper - Noteflakes
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New Machine Learning Gems for Ruby
In August, I set out to improve the machine learning ecosystem for Ruby and wasn’t sure where it would go. Over the next 5 months, I ended up...
789
Get a Life
When I was a kid, I wrote a BASIC program to explore Conway’s Game of Life on my 8088. It was painfully slow, so I began an assembly rewrite. But I failed at Life: I abandoned the project in frustration because I kept freezing up my system.
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Improving how we deploy GitHub
As GitHub doubled it’s developer head count, tooling that worked for us no longer functioned in the same capacity. We aimed to improve the deployment process for all developers at GitHub and mitigate risk associated with deploying one of the largest developer platforms in the world.
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Implicit In-order Forests: Zooming a billion trace events at 60fps
In the course of trying to figure out how to smoothly zoom timelines of a billion trace events, I figured out a cool tree structure that I can’t find elsewhere online, which it turned out two of my friends have independently derived after not finding anything on their own searches. It’s a way of implementing an index…
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Six years of professional Clojure development
Over the last couple of years me and my colleagues here at doctronic have been busy creating and maintaining more than a dozen of individual software systems for our clients.
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Writing Small CLI Programs in Common Lisp
I write a lot of command-line programs. For tiny programs I usually go with the typical UNIX approach: throw together a half-assed shell script and move on. For large programs I make a full Common Lisp project, with an ASDF system definition and such. But there's a middle ground of small ish programs that don't…
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How to make any immutable data structure distributed
Spark-style distributed datasets can be modeled with a few lines of code, using Unison's distributed computing library. This article teaches you how.
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Parser Combinators in Elixir
Learn what parser combinators are, what they are made of, and how to make your own CSV parser using NimbleParsec, a parser combinator library written in Elixir.
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Etsy’s Journey to TypeScript
Over the past few years, Etsy’s Web Platform team has spent a lot of time bringing our frontend code up to date. It was only...
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Bloom Filters: More than a space-efficient hashmap
A bloom filter is one of those data structures you are probably already aware of, or have at least heard about. For those looking for a simple recap, they are a probabilistic data structure which can …
802
Goodbye CSS Modules, Hello TailwindCSS
Read Goodbye CSS Modules, Hello TailwindCSS on the Polytomic blog.
803
Introducing chrome.scripting
The Scripting API is a new Manifest V3 API focused on, well, scripting. Let's dig into the motivations for this change and how it's different.
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Street Fighter II, Spin when you can't
This article is part of a series about Street Fighter II and the CPS-1. It is recommended to read the previous entries before reading this one.
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The macOS Sandbox File Limit
There has recently been some renewed discussion on Twitter about the limitation that the macOS sandbox places on the number of open files an app can access at once. Apps are still running into problems because of this limitation, and there is not a lot of technical detail available on it outside of Apple, so I’d like…
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$ sudo rm -rf / === NPM install
🔎I authored this blog post whilst I was an employee of Gitpod for Gitpod. I no longer work at Gitpod. In what seems like a long time ago, in part because it is, I learned the catastrophic capabilities of this command the hard way, and I'm sure folks my
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Building a Django driver for Psycopg 3
Psycopg is the most popular PostgreSQL adapter for the Python programming language.