This is a program that determines many properties of the C compiler and machine that it is run on, such as minimum and maximum [un]signed char/int/long, many properties of float/ [long] double, and so on.
We often have to write code using permissive programming languages like C and C++. They tend to generate hard-to-debug problems that can crash your applications. Thankfully, many compilers offer "sanitizers". I discussed them in my post No more leaks with sanitize flags in gcc and clang. I strongly encourage the use…
2018 is an exciting time to be a programmer, with so many good “full service” programming languages to choose from: C, C++ 2017, Go, Python, Rust and who knows Swift too. Programming languages are complicated beasts - even the simplest languages have specifications that run (or would run) in the hundreds of pages, and…
Mergeable replicated data types Kaki et al., OOPSLA’19 This paper was published at OOPSLA, but perhaps it’s amongst the distributed systems community that I expect there to be the greatest in…
Then Back in the 2000s, we wrote applications in layers. Presentation layer, client, data transfer, API, business logic, data access, database. We maintained strict separation bet ween these layers…
Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls
Many people who use Rust for a bit - especially those who like the language but do not fall in love with it - feel a sense that there must be a smaller, simpler variation on the same theme which would maybe be a little less powerful, but would also be much easier to use. I agree with them, but I think they are almost…
Unless otherwise noted, changes described below apply to the newest Chrome Beta channel release for Android, Chrome OS, Linux, macOS, and Wi...
I started HostiFi, a Ubiquiti cloud hosting service, 1 year ago this month. Since then, it has grown from 0 to $5,735 monthly recurring…
Meet Lefthook, the fastest polyglot Git hooks manager in our galaxy that requires zero setup from your contributors
Forth has been called lots of things and it was something that I figured we could easily unikernelize so I dove into it. I think it's safe to say I've never written any production Forth nor do I see myself doing so but having said that - let's begin!
Some thoughts on Conway's Law and its effect on the software stack and open source ecosystem.
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wc utility in Dyalog APL
Years ago I worked in the Xbox 360 group at Microsoft. We were thinking about releasing a new console, and we thought it would be nice if that console could run the games of the previous console. E…
In the previous post , I described what my new hobbyist computing stack looks like today, and how the design decisions seemed to accumulate inevitably from a small set of axiomatic goals. In this post I describe some (far more speculative) future plans for Mu and try to articulate how the design process continues to…
Reverse-engineering an obfuscated American Express phishing campaign from email to exfiltration endpoint.
Administrivia This article was initially posted on Wikipedia in 2008, which explains why it's written at the 3rd person and looks familiar...
This article is written with considerable snark–put on your flameproof suit if needed. I’m not actually a jerk when interviewing people, but I do get frustrated when candidates fail to do basic preparation. If you’re unsure about how to prepare for a programming interview, read on… I know this might come as a shock to…
Me and my close friends have been interested in starting a project together and I suggested we use Haskell. I do not think the suggestion was received well or perhaps in seriousness. I have a tendency to joke about almost everything and have put forward that we use many interesting but not practical languages in the…
I’m a big fan of interactive tool support for programming. I often use features like “go to definition”, “find symbol”, compile error underlining, etc. Also, earlier this year, I launched Muon, a new low-level programming language. As no tooling existed beyond the compiler, writing the initial Muon programs (such as a…
I was going to focus this week on the first task of the 20th Weekly Challenge ...but what can I say? The task was a break a string specified on the command-line into runs of identical characters:
Today’s A To Z term is another proposed by @aajohannas. I couldn’t find a place to fit this in the essay proper. But it’s too good to leave out. The simplex method, discussed with…
They say “performance is king’… It was true a decade ago and it certainly is now. With more and more data the world generates each day, we need more and more computing power to process it. It used to be the case that some SW vendors preferred to wait for a new generation of HW to speed up their application and did not…
It's no surprise that modern deep-learning libraries have production-level, highly-optimized implementations of most operations. But just what is the black magic that these libraries use that we mere mortals don't? What exactly does one do to "optimize" or accelerate neural networks operations?
SkyMind AI — humanoid robotics and the case for physical AI. Curated rather than complete: deliberate selection, checked content and clear structure…
Linux doesn’t have Photoshop. One common rant I get to hear when I try to help someone to switch to Linux. It is almost 2020 and say what? people still agree with this statement.
