Posts

Dyck Languages

Dyck Languages

There’s an older programming job interview question:

Given a string of round, curly, and square open and closing brackets, return whether the brackets are balanced (well-formed).

For example, given the string “([])”, you should return true.

Given the string “([)]” or “((()”, you should return false.

Base Fibonacci

Base Fibonacci

I read a blog post titled The golden ratio as a number base. It had an interesting statement:

According to Zeckendorf’s Theorem, every positive integer can be represented in a unique way as a sum of distinct, non-consecutive Fibonacci numbers.

Bovine Scatolgy

Bovine Scatolgy

In September of 2020, I still subscribed to the Denver Post, Denver’s only remaining daily newspaper. I got the Wednesday and Sunday editions in paper because I’m a dinosaur. It’s just more fun to read the funnies on paper. I started to read the Letters to the Editor and editorial pages.

Weird 5G Rant

Weird 5G Rant

During the midst of the COVID pandemic, I was in the habit of taking walks through my neighborhood.

UN 3328

UN 3328

Today I reached a personal best while spotting hazmat placards.

UN 3328, Radioactive material, Type B (U) package, fissile.

Another Grub Problem

Another Grub Problem

I ran pacman -Syu on my Bosgame brand “Ecolite Series” E2 mini-PC, as one does on the weekend. I got a very strange message upon rebooting:

symbol grub_is_using_legacy_shim_lock_protocol not found