1
Why do arrays start at 0?
It's not the reason you think. No, it's not that reason either.
Hillel Wayne
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Visit buttondown.email → RSS feedOn Hacker News Jul 2019 – Jul 2024
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2
Thoughts about what worked in math circles
Thoughts about what worked in math circles After about 7 months of math circles with a group of 7- turning 8-year-old boys and girls, I decided to take a...
3
Problems harder than NP-Complete
People always talk about "P vs NP" like P problems are easy and NP problems are hard. This is a useful day-to-day model but also an oversimplification....
4
Formally modeled Dreidel for no good reason
I can mathematically prove the game's not fun.
5
A brief introduction to interval arithmetic
Why x^2 isn't always x*x.
6
The seven specification ur-languages
A brief overview of the formal specification landscape
7
Not all graphs are trees
It's pretty easy to imagine how to represent relational algebra expressions as a tree—they are already structurally rooted trees where each operator has its...
8
Tag Systems
I've tried to write a blog post on tag systems for years now. Literally years, I think I first started drafting it out in 2018 or so? The problem is that...
9
Creatively Misusing TLA+
Five not-quite-normal uses