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A single line of code made a 24-core server slower than a laptop
Imagine you wrote a program for a pleasingly parallel problem, where each thread does its own independent piece of work, and the threads don’t need to coordi...
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The latest blog posts to take off on Hacker News. 1,020 posts.
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Some sanity for C and C++ development on Windows
A hard reality of C and C++ software development on Windows is that there has never been a good, native C or C++ standard library implementation for the platform. A standard library should abstract over the underlying host facilities in order to ease portable software development. On Windows, C and C++ is so poorly…
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Why is my Rust build so slow?
I’ve recently come back to an older project of mine (that powers this website), and as I did some maintenance work: upgrade to newer crates, upgrade to a newer rustc, I noticed that my build was ta...
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Sciter, the 5 MB Electron alternative, has switched to JavaScript
Without too much fanfares Sciter has officially transitioned from TIScript to JavaScript this week.
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Consider SQLite
If you were creating a web app from scratch today, what database would you use? Probably the most frequent answer I see to this is Postgres, although there are a wide range of common answers: MySQL, MariaDB, Microsoft SQL Server, MongoDB, etc. Today I want you to consider: what if SQLite would do just fine?
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Learn Python ASTs, by building your own linter
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LaTeX Finite Automata and State Diagrams with Tikz
This short guide collects some examples of drawing finite state machines using the Tikz LaTeX library.
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The Ambiguity of Real Work
All ambiguity is resolved by actions of practitioners at the sharp end of the system.Dr. Richard I. Cook, How Complex Systems Fail There’s a wonderful book by the late urban planning professo…
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Features of a dream programming language
Update: Be sure to read the improved 2nd draft of this article instead. The following content is the...
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MIT Scheme on Apple Silicon
Instructions for compiling and running MIT/GNU Scheme.
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Maybe we could tone down the JavaScript (2016)
I’m having a really weird browser issue, where scripts on some pages just won’t run until about 20 seconds have passed. Whatever you’re about to suggest, yes, I’ve thought of it, and no, it’s not the problem. I mention this not in the hope that someone will help me debug it, but because it’s made me acutely aware of a…
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A Review of the Zig Programming Language (Using Advent of Code 2021)
I’ve long thought that Zig was an interesting programming language, potentially more interesting than Rust in many respects given that Zig seems to be targetting a more modern C-like language replacement whereas Rust firmly looks like it is trying to take C++ out back like ol’ yeller. Rust is powerful, but the…
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Things I learned writing my first technical book
A hundred things I learned writing my first technical book “Data-Oriented Programming”
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Trade-Offs in Automatic Differentiation: TensorFlow, PyTorch, Jax, and Julia
To understand the differences between automatic differentiation libraries, let’s talk about the engineering trade-offs that were made. I would personally say that none of these libraries are “better” than another, they simply all make engineering trade-offs based on the domains and use cases they were aiming to…
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Introduction to the Sam Text Editor
Programmers are passionate about their tools, and if there is one tool they are especially passionate about, it is their text editor. An editor war has…
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Running IntelliJ Idea with JDK 17 for Better Render Performance with Metal
Running IntelliJ IDEA with JDK 17 for Better Render Performance with Metal, by Mustafa Akın.
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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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Advent of Code Surveys: Results
Results dashboard with the yearly (unofficial) Advent of Code participant survey
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Lua: Good, Bad, and Ugly Parts (2012)
I have been programming in Lua for about 9 months and it seemed like a good time to pause and reflect on my experience with it. I have used various languages over the years -- Perl ( soaplite.com and other projects, including my current consulting work), C ( a DHCP /DNS server for Arduino and a ping-pong juggling…
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Street Fighter II paper trails – allocating sprite space by hand
The late 90s saw the emergence of Capcom in the world of arcades. The Osaka based company seemed to produce one hit after another with Ghouls'n Ghosts in 1988, Final Fight in 1989 and Street Fighter II in 1991 among a myriad of other excellent games.
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Three Minor Features in Go 1.18
Okay, but apart from generics and fuzzing, what has Go 1.18 ever done for us?
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Generics facilitators in Go
Go 1.18 is going to be released with generics support . Adding generics to Go was a multi-year effort and was a difficult one. Go type system is not a traditional type system and it was not possible just to bring an existing generics implementation from other language and be done. The current proposal was accepted…
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DNA seen through the eyes of a coder
Updates: 12th of September 2021: I’m writing a book on DNA! If you want to become a beta reader, or have suggestions, I’d love to hear from you! 8th of January 2021: This article has been revised and updated, scientifically and in terms of dead links. Revision made by Tomás Simões (@putadagravidade /…
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RCE in Visual Studio Code's Remote WSL for Fun and Negative Profit
The Visual Studio Code server in Windows Subsystem for Linux uses a local WebSocket WebSocket connection to communicate with the Remote WSL extension. JavaScript in websites can connect to this server and execute arbitrary commands on the target system. Assigned CVE-2021-43907 and zero bounty. I paid 5 USD for the EC2…