4141
Reversing a 2.4GHz Remote Control
I have an old project on Github called rf-car for controlling a radio car with HackRF. A few months ago, my daughter received a new RC car made by Dickie Toys :
New
The latest blog posts to take off on Hacker News. 6,153 posts.
4142
GraalVM 22.1: Developer experience improvements, Apple Silicon builds, and more
Today we’re releasing GraalVM 22.1! This release brings new features and lots of improvements — we’ll cover the highlights in this blog…
4143
Effective Go
Go is an open-source programming language that focuses on simplicity, reliability, and efficiency, specifically designed to make it easy to build software at scale. Although it borrows ideas from existing languages, it has unusual properties that make effective Go programs different in character from programs written…
4144
MCC (Master Chief Collection) Server Incident Summary
<p>A deep dive into the recent incident that affected matchmaking and the custom games browser in Halo: MCC on April 1.</p>
4145
Zq: An easier and faster alternative to jq
Take an in-depth look at the different computational models of zq and jq.
4146
World military expenditure passes $2T for first time
(Stockholm, 25 April 2022) Total global military expenditure increased by 0.7 per cent in real terms in 2021, to reach $2113 billion. The five largest spenders in 2021 were the United States, China, India, the United Kingdom and Russia, together accounting for 62 per cent of expenditure, according to new data on…
4147
High-Security Mechanical Locks (2020)
Outside of a very few specialized fields high-security locks are almost totally unknown. Even in the field of locksmithing where high-security locks are known, they are often misunderstood. Today I am going to offer you a primer on the fascinating world of high-security mechanical locks, the securit
4148
Implementing a safe garbage collector in Rust
In my last post I introduced an Emacs Lisp VM I was writing in Rust. My stated goal at the time was to complete a garbage collector. I think Rust has some really interesting properties that will make building garbage collectors easier and safer. Many of the techniques used in my GC are not original and have been…
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Talk like a systems engineer: Yaks all the way down
Professional niches have – time immemorial – built their own special dialects and languages, sometimes using this as an…
4151
Things I can’t do on macOS which I can do on Ubuntu (2020)
I've never "got" the appeal of a Mac. But I have to use one for work. Here's a partial list of everything I cannot do on a Mac, but I can do on Ubuntu. These are all objective facts. These are things which either are impossible, or require adding unsupported 3rd party software - sometimes at a cost. Resize the system…
4152
There Is No CD Revival
Unless Maybe You are Adele
4153
Overgrowth: Open-Source Announcement
Open Source We have worked on Overgrowth for 14 years. It is our longest running, ongoing project, and a massive reason why we have…
4154
Tools for a Culture of Writing (2021)
A set of useful tools for cultivating a culture of writing, namely the RFC, the Decision Record and Decision Log, and the Pre-mortem/Prospective and Post-mortem/Retrospective
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Compile time evaluation in Nim, Zig, Rust and C++
Evaluating code at compile time is a capability that most, if not all, compiled programming languages possess, even if it can't be directly used by the programmer, but rather applied as an optimization. In this post, we'll explore a bit how to execute code at compile time in Nim, Zig, Rust and C++.
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Sorbet and 100% cov makes Ruby refactoring possible
Safely refactoring Ruby traditionally involves many incremental steps and feature flags. Sorbet and 100% branch coverage make it possible to refactor a lot of code safely.
4158
Things I sort of believe about making music
I've now been recording music at home for most of my life. I started at around 14. I would record things into audacity, sometimes with my friend Cameron, but more often by myself. I had no real idea of how to write, arrange, or record music. Besides a few covers I would mostly record incredibly abstruse 'experimental…
4159
Hexells – Self-Organising System of Cells Drawing Textures [WebGL]
is a Self-Organising System of cells, that was trained to build textures using neighbour communication only. This work exposes the relation between the life of an individual cell, and the cell collective as a whole.
4160
Best Font for Online Reading: No Single Answer
Among high-legibility fonts, a study found 35% difference in reading speeds between the best and the worst. People read 11% slower for every 20 years they age.
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The Machine Learning Job Market
I was on the job market recently, open to suggestions on what I should do next. I'm deeply thankful to all those who reached out and pitched their companies, and also to people who shared their wisdom of how they wanted to navigate their own careers.
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We unplugged a data center to test our disaster readiness
On Thursday, November 18, 2021, Dropbox did not go down. On a normal day this would be a non-event—a sign that everything was operating as usual. However, this day was anything but usual. At 5:00 pm PT, a group of Dropboxers were huddled on a Zoom call when the command was given to physically unplug our San Jose data…
4163
Start with who, not why
Work with amazing people you love collaborating with, the rest (mission, purpose, etc) falls out from that.
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Principles of Engineering Management
More than 2 years ago, I decided to try to create a brief, digestible manual on the expectations of management for senior engineers at my company who are considering making the shift. At the time, …
4165
Datalog in JavaScript
Let's build a query engine from scratch. In about 100 lines of Javascript, we'll support joins, indexes, and find our answer for Arnold!
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I sold 640 copies of my book in one year
A breakdown of selling 640 copies of my first product Deployment from Scratch.
4167
Whats New in PHP 8.2
PHP 8.2 has a new randomizer engine, readonly classes, disjunctive normal form types, redacted parameters, performance improvements, and more.
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Apple’s Private Relay can cause the system to ignore firewall rules
Apple’s Private Relay (Beta) feature calls home to Apple servers without respecting the firewall rules of the system, creating a leak that neither we, nor you, can stop without disabling the entire Private Relay feature.
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Beginners Guide to 0day/CVE AppSec Research
A while ago I took up the challenge to get Offensive Security Web Expert (OSWE) certified. During this journey I learned many awesome things. The most important lesson learned was that with source code and a debugger, I could find vulnerabilities exponentially faster than by using traditional Blackbox/Bug-Bounty…
4170
Resumes are dangerous?
I've been interviewing engineers for a while now, and it seems the more interviews I do, the more I realize how many my initial assumptions about hiring were wrong. For example, take resumes. Initially, before every interview I'd carefully review resumes. I'd look at candidate's past