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Ruby 2.6
Christmas is around the corner, but I couldn’t wait and I have already been trying the new Ruby release! :christmas_tree: :tada: Ruby 2.6, apart from efficie...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 14,540 posts.
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Bash 'shellshock' bug is wormable
Early results from my scan: there's about 3000 systems vulnerable just on port 80, just on the root "/" URL, without Host field. That doesn'...
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Zeroing buffers is insufficient
With a bit of care and a cooperative compiler, we can zero a buffer — but that's not what we need. What we need to do is zero every location where sensitive data might be stored. Remember, the whole reason we had sensitive information in memory in the first place was so that we could use it; and that usage almost…
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The Slow Formation of Durable Software
How a group of historians took years to imagine Zotero, the research application that would eventually be used by millions
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How C++ Resolves a Function Call
C is a simple language. You’re only allowed to have one function with each name. C++, on the other hand, gives you much more flexibility: You can have multiple functions …
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A Programmer’s Intuition for Matrix Multiplication
What does matrix multiplication mean? Here's a few common intuitions: This is useful when first learning about vectors: vectors go in, new ones come out.…
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This game is a single 13 KiB file that runs on Windows, Linux and in the Browser
Not that long ago I became aware of Justine Tunney's cosmopolitan libc project. It's a toolkit that allows you to compile C source code into a single binary...
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How Rust is tested
Rust is a systems programming language with massive ambitions. It is designed for creating the most reliable software, from the tiniest embedded systems to multi-million line behemoths, and its users need to have confidence that it is fit for purpose.
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A file format uncracked for 20 years
"I’ve had enough reasonable file formats fired at me in my time to tell you that wasn’t one" - Sam Fisher
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Ten years of improvements in PostgreSQL's optimizer
Ryan Marcus, assistant professor at the University of Pennsylvania. Using machine learning to build the next generation of data systems.
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A Programmer’s Introduction to Unicode
Pixels and polygons and shaders, oh my!
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How Bash Completion Works
Ever wondered how Bash completion works? In this first article on the topic, we’ll look at how it works under the hood.
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Python’s Weak Performance Matters
Here is an argument I used to make, but now disagree with: Just to add another perspective, I find many “performance” problems in the real world can often be attributed to factors other…
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Go Creeping In
I’ve seen the inside of the Google and Amazon tech stacks. There are common threads that run through them and also, I bet, through most BigTechCos. Here and there down the stack is a lot of C++ and vestigial remnants from earlier days, Perl or PHP or whatever. Out in front of humans, of course, JS. But in between…
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Seconds Since the Epoch
This is not at all news, but it comes up often enough that I think there should be a concise explanation of the problem. People, myself included, like to say that POSIX time, also known as Unix time, is the number of seconds since the Unix epoch , which was 1970-01-01 at 00:00:00.
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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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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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Go 1.16 will make system calls through Libc on OpenBSD
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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My first game with Carimbo, my homemade engine
https://youtu.be/nVRzCstyspQ
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Aerc: A well-crafted TUI for email
Aerc is a TUI email client. It had its first release ~4 years ago. This makes it a “baby” compared to most of its “competitors” (Pine was released in 1992, Mutt in 1995). I heard about this program shortly after its first release but ignored it at the time, because I was still reasonably happy with Thunderbird and it…
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How I Hacked Amazon’s $5 WiFi Button
UPDATE: I’m now selling ready-to-use buttons at Buttonjoy.com!
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Show HN: NESFab – Programming language for making NES games
NESFab is a new programming language for creating NES games. Designed with 8-bit limitations in mind, the language is more ergonomic to use than C, while also producing faster assembly code. It's easy to get started with, and has a useful set of libraries for making your first — or hundredth — NES game.
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The anatomy of an ML-powered stock picking engine
v1.0 - Initial draft ‘Traders, trading, in a bazaar’ by Stable Diffusion What I’ll talk about # I started Didact AI in 2019, out of a firm belief that stock picking engines built on top of machine learning models could consistently beat the market, gaining and retaining profits.