David McMorris
@davidmcmorris.bsky.social
Math Lecturer at Christopher Newport University. PhD from Nebraska. Reader, birdwatcher.
Reposted by David McMorris
"Considering your Country decided not to give me the Nobel Peace Prize… I no longer feel an obligation to think purely of Peace," Trump wrote in a message to the Norwegian Prime Minister. n.pr/3Zlfzq4
Trump says he's pursuing Greenland after perceived Nobel Peace Prize snub
"Considering your Country decided not to give me the Nobel Peace Prize… I no longer feel an obligation to think purely of Peace," Trump wrote in a message to the Norwegian Prime Minister.
n.pr
January 19, 2026 at 4:09 PM
"Considering your Country decided not to give me the Nobel Peace Prize… I no longer feel an obligation to think purely of Peace," Trump wrote in a message to the Norwegian Prime Minister. n.pr/3Zlfzq4
I've completed "Playground" - Day 8 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/8
github.com/DavidMcMorri...
Usually I like writing my solutions from scratch, but R has a package (igraph) that did exactly what I wanted, albeit slowly, so I went that route today.
github.com/DavidMcMorri...
Usually I like writing my solutions from scratch, but R has a package (igraph) that did exactly what I wanted, albeit slowly, so I went that route today.
December 10, 2025 at 5:07 PM
I've completed "Playground" - Day 8 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/8
github.com/DavidMcMorri...
Usually I like writing my solutions from scratch, but R has a package (igraph) that did exactly what I wanted, albeit slowly, so I went that route today.
github.com/DavidMcMorri...
Usually I like writing my solutions from scratch, but R has a package (igraph) that did exactly what I wanted, albeit slowly, so I went that route today.
I've completed "Laboratories" - Day 7 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/7
github.com/DavidMcMorri...
Should I have spent the afternoon grading tests instead of figuring out how to count timelines? Probably, but this was more fun!
github.com/DavidMcMorri...
Should I have spent the afternoon grading tests instead of figuring out how to count timelines? Probably, but this was more fun!
Day 7 - Advent of Code 2025
adventofcode.com
December 9, 2025 at 8:57 PM
I've completed "Laboratories" - Day 7 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/7
github.com/DavidMcMorri...
Should I have spent the afternoon grading tests instead of figuring out how to count timelines? Probably, but this was more fun!
github.com/DavidMcMorri...
Should I have spent the afternoon grading tests instead of figuring out how to count timelines? Probably, but this was more fun!
I just completed "Trash Compactor" - Day 6 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/6
github.com/DavidMcMorri...
Still a day behind, but this one went smoother than day 5!
github.com/DavidMcMorri...
Still a day behind, but this one went smoother than day 5!
December 7, 2025 at 4:35 PM
I just completed "Trash Compactor" - Day 6 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/6
github.com/DavidMcMorri...
Still a day behind, but this one went smoother than day 5!
github.com/DavidMcMorri...
Still a day behind, but this one went smoother than day 5!
I just completed "Cafeteria" - Day 5 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/5
github.com/DavidMcMorri...
Part 2 took me a while. I kept being convinced I had it figured out, and had to change my approach a few times, then had some indexing issues to track down.
github.com/DavidMcMorri...
Part 2 took me a while. I kept being convinced I had it figured out, and had to change my approach a few times, then had some indexing issues to track down.
Day 5 - Advent of Code 2025
adventofcode.com
December 7, 2025 at 3:35 AM
I just completed "Cafeteria" - Day 5 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/5
github.com/DavidMcMorri...
Part 2 took me a while. I kept being convinced I had it figured out, and had to change my approach a few times, then had some indexing issues to track down.
github.com/DavidMcMorri...
Part 2 took me a while. I kept being convinced I had it figured out, and had to change my approach a few times, then had some indexing issues to track down.
I've completed "Printing Department" - Day 4 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/4
github.com/DavidMcMorri...
Got this one done early today! Might go back later and try to make a visualization of part 2 if I have time.
github.com/DavidMcMorri...
Got this one done early today! Might go back later and try to make a visualization of part 2 if I have time.
December 4, 2025 at 4:48 PM
I've completed "Printing Department" - Day 4 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/4
github.com/DavidMcMorri...
Got this one done early today! Might go back later and try to make a visualization of part 2 if I have time.
github.com/DavidMcMorri...
Got this one done early today! Might go back later and try to make a visualization of part 2 if I have time.
I've completed "Lobby" - Day 3 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/3
github.com/DavidMcMorri...
Love it when the answers to part 2 are 10 orders of magnitude bigger than in part 1
github.com/DavidMcMorri...
Love it when the answers to part 2 are 10 orders of magnitude bigger than in part 1
December 3, 2025 at 6:18 PM
I've completed "Lobby" - Day 3 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/3
github.com/DavidMcMorri...
Love it when the answers to part 2 are 10 orders of magnitude bigger than in part 1
github.com/DavidMcMorri...
Love it when the answers to part 2 are 10 orders of magnitude bigger than in part 1
I've completed "Gift Shop" - Day 2 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/2
github.com/DavidMcMorri...
I had some fun mathing this one out - no brute force today!
github.com/DavidMcMorri...
I had some fun mathing this one out - no brute force today!
December 3, 2025 at 2:04 AM
I've completed "Gift Shop" - Day 2 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/2
github.com/DavidMcMorri...
I had some fun mathing this one out - no brute force today!
github.com/DavidMcMorri...
I had some fun mathing this one out - no brute force today!
I've completed "Secret Entrance" - Day 1 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/1
github.com/DavidMcMorri...
github.com/DavidMcMorri...
December 1, 2025 at 5:53 PM
I've completed "Secret Entrance" - Day 1 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/1
github.com/DavidMcMorri...
github.com/DavidMcMorri...
I've completed "Plutonian Pebbles" - Day 11 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/11
github.com/DavidMcMorri...
Came back to this one and finally figured it out. Getting ready for 2025!
github.com/DavidMcMorri...
Came back to this one and finally figured it out. Getting ready for 2025!
November 26, 2025 at 6:43 PM
I've completed "Plutonian Pebbles" - Day 11 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/11
github.com/DavidMcMorri...
Came back to this one and finally figured it out. Getting ready for 2025!
github.com/DavidMcMorri...
Came back to this one and finally figured it out. Getting ready for 2025!
Reposted by David McMorris
In an executive order, President Trump directs the Corporation for Public Broadcasting to stop funding NPR and PBS, the nation's primary public broadcasters.
Trump orders end to federal funding for NPR and PBS
In an executive order, President Trump directs the Corporation for Public Broadcasting to stop funding NPR and PBS, the nation's primary public broadcasters.
www.npr.org
May 2, 2025 at 10:26 AM
In an executive order, President Trump directs the Corporation for Public Broadcasting to stop funding NPR and PBS, the nation's primary public broadcasters.
I was lucky enough to see a barred owl tonight for the first time as I was coming back from the store! Seems it had the same idea I did - stocking up on some food ahead of the big snowstorm we're supposed to get tomorrow 😄
February 19, 2025 at 3:07 AM
I was lucky enough to see a barred owl tonight for the first time as I was coming back from the store! Seems it had the same idea I did - stocking up on some food ahead of the big snowstorm we're supposed to get tomorrow 😄
This is deeply concerning. Chilling actually. Science and the peer review process absolutely cannot function properly like this.
US CDC orders pullback of new scientific papers involving its researchers, source says
The U.S. Centers for Disease Control and Prevention is seeking to withdraw all papers involving its researchers that are being considered for publication by external scientific journals to allow for a review by the Trump administration, a federal official told Reuters.
www.reuters.com
February 3, 2025 at 7:30 PM
This is deeply concerning. Chilling actually. Science and the peer review process absolutely cannot function properly like this.
I just completed "Claw Contraption" - Day 13 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/13
github.com/DavidMcMorri...
Some linear algebra magic in R for today's challenge!
github.com/DavidMcMorri...
Some linear algebra magic in R for today's challenge!
December 13, 2024 at 6:47 PM
I just completed "Claw Contraption" - Day 13 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/13
github.com/DavidMcMorri...
Some linear algebra magic in R for today's challenge!
github.com/DavidMcMorri...
Some linear algebra magic in R for today's challenge!
I just completed "Mull It Over" - Day 3 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/3
I haven't used R much since last year about this time - this was a fun refresher on regular expressions and pipes!
I haven't used R much since last year about this time - this was a fun refresher on regular expressions and pipes!
December 4, 2024 at 12:57 AM
I just completed "Mull It Over" - Day 3 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/3
I haven't used R much since last year about this time - this was a fun refresher on regular expressions and pipes!
I haven't used R much since last year about this time - this was a fun refresher on regular expressions and pipes!
Reposted by David McMorris
Advent Calendar Advent Calendar xkcd.com/3019
December 2, 2024 at 11:21 PM
Advent Calendar Advent Calendar xkcd.com/3019
I've completed "Historian Hysteria" - Day 1 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/1
Who else is doing it this year?
Who else is doing it this year?
Day 1 - Advent of Code 2024
adventofcode.com
December 1, 2024 at 10:21 PM
I've completed "Historian Hysteria" - Day 1 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/1
Who else is doing it this year?
Who else is doing it this year?