David Dellsperger

David Dellsperger

Kansas City, MO
I am a Software Engineer working in the iPaaS industry. I write posts about programming, my dog (Sudo), and other things that I find interesting.
Feb
07
Upgrading from Traefik 1.7 to Traefik 2.x

Upgrading from Traefik 1.7 to Traefik 2.x

Configuration via docker labels made sense to me, it made the configuration a part of the docker image deployment (in docker-compose) and provided a consistent pattern for doing it going forward.
7 min read
Dec
25
Advent of Code 2020 Day 25

Advent of Code 2020 Day 25

I know from my experience as a TA for an entry programming class that putting together problems (especially some of the difficult ones he had to explain) is not an easy task, and he ended up doing 49 problem statements, though probably 15-20 shared significantly with their first part predecessors.
2 min read
Dec
24
Advent of Code 2020 Day 24

Advent of Code 2020 Day 24

I've had to deal with x/y-coordinates so many times in this year's advent of code and in Python, you can throw together some things pretty easily, but in Java, it just seems like you're pushing in a direction that no one things you should be pushing.
3 min read
Dec
23
Advent of Code 2020 Day 23

Advent of Code 2020 Day 23

Part two was a different beast, and to be clear, I started it right after part one and the attempt using my part one code to get the part two answer is STILL running (this is after now 10 hours of running) I let it run overnight as I slept, because I was curious if my logic worked to begin with.
6 min read
Dec
22
Advent of Code 2020 Day 22

Advent of Code 2020 Day 22

The reason my part two solution took so long was that I misread the first rule.
4 min read
Dec
21
Advent of Code 2020 Day 21

Advent of Code 2020 Day 21

The puzzle today, was really just creating a map of lists, cleaning up the map to be to a single item in a list, then using that to do some further determinations of counts of things
1 min read
Dec
20
Advent of Code 2020 Day 20

Advent of Code 2020 Day 20

So, Day 20 was rough and maybe it was rough because I took shortcuts in the first part, to get
3 min read
Dec
19
Advent of Code 2020 Day 19

Advent of Code 2020 Day 19

The days are getting more difficult, and today's puzzle was no exception to the rule. I saw the puzzle come
2 min read
Dec
18
Advent of Code 2020 Day 18

Advent of Code 2020 Day 18

The real issue is that I didn't have any easy test string to look for those issues, but when I first did the string replace option, I THOUGHT I might encounter it, but didn't end up thinking I really would encounter a problem, I guess I was wrong.
3 min read
Dec
17
Advent of Code 2020 Day 17

Advent of Code 2020 Day 17

oh my gosh, I now see where I went wrong in day 11 because in that case, the rows wasn't equal to the columns
3 min read