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Java on Truffle – Going Fully Metacircular
Up until now, GraalVM has offered two ways to run Java programs: using the Java HotSpot VM with the GraalVM JIT (just-in-time) compiler…
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The latest blog posts to take off on Hacker News. 21,829 posts.
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Python 3's F-Strings: An Improved String Formatting Syntax
Python f-strings give you a readable, concise way to interpolate and format strings, and they beat .format() and the % operator on speed.
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Again on 0-based vs. 1-based indexing
André Garzia made a nice blog post called “Lua, a misunderstood language” recently, and unfortunately (but perhaps unsurprisingly) a bulk of HN comments on it was about the age-old 0-based vs. 1-based indexing debate. You see, Lua uses 1-based indexing, and lots of programmers claimed this is unnatural because “every…
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User power, not power users: htop and its design philosophy
This short story is not really about htop, or about the feature request that I’ll use as an illustration, but about what are the core principles that drive the development of a bit of software, down to every last detail. And by “core principles” I really mean it.
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When costs are nonlinear, keep it small
Batching work is more efficient … until cost rises nonlinearly with batch size. Then smaller batches are the most efficient. So don’t delay maintenance!
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Software engineering is a learning process, working code is a side effect
I have come to the conclusion that Software Engineering is primarily a learning endeavour, the working code is rather a side effect. This quote is actually not mine but I am paraphrasing Alberto Brandolini who is making this very point in Event Storming (he was actually talking about Software Development, but I do not…
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How I Build Web Apps As A Freelancer
It's now roughly seven or eight years that I'm building dynamic front ends for the web. From digital art wallets to games (1, 2) and synthesizers, I've seen it all. And since my process
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Software effort estimation is mostly fake research
Effort estimation is an important component of any project, software or otherwise. While effort estimation is something that everybody in industry is involved with on a regular basis, it is a niche topic in software engineering research. The problem is researcher attitude (e.g., they are unwilling to venture into the…
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That XOR Trick (2020)
There are a whole bunch of popular interview questions that can be solved in one of two ways: Either using common data structures and algorithms in a sensible manner, or by using some properties of...
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GitHub Stale Bots – A False Economy
Stale Bot’s are a type of automated bot on Github, which locks issues which are “stale” (as in have no recent activity). This seems like a helpful tool at first, but in reality it’s terrible for all p
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Tracking down a segfault that suddenly started happening
I wanted to share a story of a segmentation fault I helped track down this weekend. I thought the final root cause of the segfault was interesting because of how unrelated it was to the code I was trying to debug.
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js;dr = JavaScript required; Didn’t Read.
js;dr = JavaScript required; Didn’t Read. Pages that are empty without JS: dead to history (archive-org), unreliable for search results (despite any search engine claims of JS support, check it yourself), and thus ignorable. No need to waste time reading or responding. Also known as, if it’s not curlable, it’s not on…
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The values of Emacs, the Neovim revolution, and the VSCode gorilla
Comparing the core values of our text editors, describing the history of Neovim's development, and discussing the rise of VSCode.
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Hecto: Build your own text editor in Rust
Welcome! This is a series of blog posts that shows you how to build a text editor in Rust.
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Deno in 2020
Retrospect of what happened in Deno in 2020
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Rust: Structuring and handling errors in 2020 (2020)
After working through “the book” on the Rust programming language and getting started with the first non-trivial, real-world application I found myself faced with a question I didn’t yet feel well-equipped to handle: “How should you structure error handling in a mature rust application?”
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REST Servers in Go: Part 1 – standard library
This is the first post in a series about writing REST servers in Go. My plan with this series is to implement a simple REST server using several different approaches, which should make it easy to compare and contrast these approaches and their relative merits.
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The Problem with Gradle
Or: How to Remain Sane when Approaching Gradle (with apologies to Hans Dockter).
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Limiting Private API Availability in Chromium
During a recent audit, we discovered that some third-party Chromium based browsers were able to integrate Google features, such as Chrome sy...
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The Apple goto fail vulnerability: lessons learned (2014)
Description of what we have learned
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Building DigitalOcean's API Gateway
technology blog about ruby, scala, java, golang, software engineering and programming in general
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Have the Tables Turned on NoSQL?
NoSQL was the next big thing in system architecture in 2011, but overall interest in it has plateaued recently. What is NoSQL, what does it have to do with modern development, and is it worth implementing in your project?
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Rust is a hard way to make a web API
It is not just the borrow checker
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Why Zig when there is already C++, D, and Rust?
If Zig code doesn’t look like it’s jumping away to call a function, then it isn’t. This means you can be sure that the following code calls only foo() and then bar() , and this is guaranteed without needing to know the types of anything:
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Clojure Core
Earlier today Rich Hickey let the cat out of the bag that I’m joining the Clojure Core development team.