You should make a new programming language | nicole@web
Every software engineer uses a programming language, usually multiple. Few of us make programming languages. This makes sense, because the work we need to get done can typically be done just fine in the languages that exist. Those already have people making them better. Let's focus on the task at hand. But that means that we're missing out on some learning opportunities. I stumbled into those when
What's hidden behind "just implementation details" | nicole@web
Something I hear occasionally from some software people1 is something along the lines of: "Well, the hard part is figured out, and the rest is just implementation details." This typically means they've created an algorithm to do something, and the rest of it is all the supporting activities to build an application or production system around this algorithm. I hear variations on this also from soft
Rust's iterators optimize nicely—and contain a footgun | nicole@web
I saw a claim recently that in functional programming using "map/filter iterates over the list twice, while the foreach loop iterates only once." The author continued that "Haskell can fuse maps together as an optimization but I don't think you safely fuse arbitrary map/filters? I dunno." There are really two claims here: in functional programming, map/filter will do two iterations there is an opt
RSA is deceptively simple (and fun) | nicole@web
While reading Real-World Cryptography, I came across the "million message attack". This is an attack that Daniel Bleichenbacher demonstrated in 1998, which effectively broke RSA with a particular encoding function called PKCS #1. It was only mentioned briefly, so I dug in and decided to try to understand the attack, eventually to implement it. Most crypto libraries do not ship with a vulnerable im
A systematic approach to debugging | nicole@web
I've got a reputation at work as being a skilled debugger. It's a frequent occurrence that the weird stuff lands on my desk1 after it goes through another skilled engineer or two. To say my job is substantially "debug the weird shit" would not be an understatement and I'm here for it. This extends throughout our codebase, and into code I haven't seen before at all. I'm the longest tenured engineer
Introducing Hurl, a terrible (but cute) idea for a language | nicole@web
Introducing Hurl, a terrible (but cute) idea for a language Sometimes we have ideas that are bad but demand to enter reality. A few months ago, while chatting with a friend, we toyed around with the idea of a language where the only control flow you get is error handling. This idea embedded itself in my brain and wouldn't let me go, so I kept just talking about it until two people in the same week
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TIL: 8 versions of UUID and when to use them | nicole@web
Procrastinating on my side project by torturing databases | nicole@web
Building a demo of the Bleichenbacher RSA attack in Rust | nicole@web
My reference was dropped, why is the compiler complaining about multiple borrows? | nicole@web
Lessons from implementing Hurl | nicole@web
Profiling Rust programs the easy way | nicole@web
Introducing Yet Another Rust Resource (or YARR!) | nicole@web
Unpacking some Rust ergonomics: getting a single Result from an iterator of them | nicole@web
"Help, iterators made my Rust program slower!" | nicole@web
A few weird ways of displaying git hashes | nicole@web
I'm moving my projects off GitHub | nicole@web
Email addresses are not primary user identities | nicole@web
What's the difference between references and pointers in Rust? | nicole@web
Where are we going from here? Software engineering needs formal methods | nicole@web