Matteo Landi's .plan RSS

* Added a `New` button to initialize a new @whiteboard + @2022-03-19 Evict unused @whiteboard's data, after a week + @2022-03-10 Make it possible to move around without drawing -- @whiteboard ?

* Started to put together some notes on the syntax for my @plan files * Started to put together some notes for a CLI to actually manage my @plan files ?

Thoughts on implementing undo/redo for my @multiplayer @whiteboard - Each user keeps a stack of shapes -- the ones they drew - Each shape has a unique ID attached to it -- generated by the user that created the shape - "draw" event are broadcast'd to all…

[Copy canvas to graphics object in p5.js](https://stackoverflow.com/questions/70231135/copy-canvas-to-graphics-object-in-p5-js) @multiplayer @whiteboard

How to disable / enable specific Git branches from triggering a CI, with GitHub actions?

I have been thinking about implementing a @multiplier @whiteboard lately.

+ @2022-02-27 @read [Zettelkasten](https://en.wikipedia.org/wiki/Zettelkasten) ?

Intent-based development environment (taken from: https://amasad.me/right) > At Replit, we're really passionate about making a simple yet powerful > programming environment.

@vim NrrwRgn - Region highlight is lost on write I have been playing with [NrrwRgn]() Vim plugin lately, and I have to say it, I am quite enjoying it so far.

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* Another small PR to fix `scmindent` indentation for `#| ... |#` regions (https://github.com/ds26gte/scmindent/pull/12)

Consider adding swank-loader.lisp's `dirname` to the location of the directory where fasl files are cached (This was posted on [slime/slime/issues/704](https://github.com/slime/slime/issues/704)) While testing something out, yesterday, I got into this w…

* Use vlime#SYM instead of the undefined vlime#CL #3: https://github.com/phmarek/vlime/pull/3 * Fix input reading #4: https://github.com/phmarek/vlime/pull/4

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On HASH-TABLEs performance (posted on [r/Common_Lisp](https://www.reddit.com/r/Common_Lisp/comments/s0g2q3/on_hashtables_performance/)) I [built](https://topaz.github.io/paste/#XQAAAQDdBwAAAAAAAAAUGQimgx+p6Nchs0/Hc3cRxcmyfeV+Bzi2FxeDDBZEkgZaDBSyRjbUkuFX…

Advent of Code: [2021/25](https://adventofcode.com/2021/day/25) > This is it: the bottom of the ocean trench, the last place the sleigh keys could be.

TIL: You better cache your CL-SOURCE-FILE instances if you don't want ASDF to compile your files...TWICE!

Advent of Code: [2021/24](https://adventofcode.com/2021/day/24) > Magic smoke starts leaking from the submarine's arithmetic logic unit (ALU).

Advent of Code: [2021/23](https://adventofcode.com/2021/day/23) > A group of amphipods notice your fancy submarine and flag you down.

Advent of Code: [2021/22](https://adventofcode.com/2021/day/22) We overloaded the submarine's reactor, and we need to reboot it: > The reactor core is made up of a large 3-dimensional grid made up entirely of cubes, one cube per integer 3-dimensional co…

Advent of Code: [2021/21](https://adventofcode.com/2021/day/21) We have been challenged by the computer to play a game with it: > This game consists of a single die, two pawns, and a game board with a circular track containing ten spaces marked `1` thro…

Advent of Code: [2021/20](https://adventofcode.com/2021/day/20) > With the scanners fully deployed, you turn their attention to mapping the floor of the ocean trench.

Advent of Code: [2021/19](https://adventofcode.com/2021/day/19) Solving today's problem took me way to long, so I am not going put together a full write-up for it, not yet, especially because my solution takes around 2 minutes to complete, and conses up…

Advent of Code: [2021/18](https://adventofcode.com/2021/day/18) First off, it's the last _serious_ weekend before December 25th, so expect this **not** to be easy!

Advent of Code: [2021/17](https://adventofcode.com/2021/day/17) We treat ourselves with a little physics problem today: > Ahead of you is what appears to be a large ocean trench.

Advent of Code: [2021/16](https://adventofcode.com/2021/day/16) We reached open waters; we received a transmission form the Elves; the transmission uses Buoyancy Interchange Transmission System (BITS), a method for packing numeric expressions into a bina…

Advent of Code: [2021/15](https://adventofcode.com/2021/day/15) > You've almost reached the exit of the cave, but the walls are getting closer together.

Advent of Code: [2021/14](https://adventofcode.com/2021/day/14) > The incredible pressures at this depth are starting to put a strain on your submarine.

Advent of Code: [2021/13](https://adventofcode.com/2021/day/13) > You reach another volcanically active part of the cave.

Advent of Code: [2021/12](https://adventofcode.com/2021/day/12) > With your submarine's subterranean subsystems subsisting suboptimally, the only way you're getting out of this cave anytime soon is by finding a path yourself.

Advent of Code: [2021/11](https://adventofcode.com/2021/day/11) > You enter a large cavern full of rare bioluminescent dumbo octopuses!

Advent of Code: [2021/10](https://adventofcode.com/2021/day/10) > You ask the submarine to determine the best route out of the deep-sea cave, but it only replies: > > Syntax error in navigation subsystem on line: all of them > > All of them?!

Advent of Code: [2021/09](https://adventofcode.com/2021/day/9) > These caves seem to be lava tubes.

Advent of Code: [2021/08](https://adventofcode.com/2021/day/8) We managed to escape from the whale, but something is not quite working as it should: > As your submarine slowly makes its way through the cave system, you notice that the four-digit seven-s…

Advent of Code: [2021/07](https://adventofcode.com/2021/day/7) - A whale has decided to eat our submarine - Lucky us, a swarm of crabs (each in its own tiny submarine...LOL) is willing to help - They want to drill a hole in the ocean floor so we can esca…

Advent of Code: [2021/06](https://adventofcode.com/2021/day/6) Today we are asked to study a massive school of lanternfish; in particular, we are tasked to see how big this group will be, after 80 days: > Although you know nothing about this specific sp…

Advent of Code: [2021/05](https://adventofcode.com/2021/day/5) > You come across a field of hydrothermal vents on the ocean floor!

Advent of Code: [2021/04](https://adventofcode.com/2021/day/4) Today, we are playing Bingo with a giant squid (yes, apparently it is on the submarine with us!)

Advent of Code: [2021/03](https://adventofcode.com/2021/day/3) The submarine has been making some odd creaking noises today, and after we ask it to produce a diagnostic report (our input), we are tasked to _decode_ it and see if everything is all right (…

Advent of Code: [2021/02](https://adventofcode.com/2021/day/2) > It seems like the submarine can take a series of commands like `forward 1`, `down 2`, or `up 3`: > > - `forward X` increases the horizontal position by X units. > - `down X` increases the d…

Advent of Code: [2021/01](https://adventofcode.com/2021/day/1) - An elf tripped, and accidentally sent the sleight keys flying into the ocean - All of a sudden we found ourselves inside a submarine which has an antenna that hopefully we can use to track…

Vlime: Make swank_repl a prompt buffer (This was posted on [vlime/pull/55](https://github.com/vlime/vlime/pull/55)) Alright, since these changes got merged into @phmarek's fork, and since _that_ branch is the one I am using these days, I would like to p…

Building a _local_ system with :TRIVIAL-BUILD (This was posted on [ceramic/trivial-build/issues/2](https://github.com/ceramic/trivial-build/issues/2)) Currently, there are at least two different ways of dealing with locally defined systems, i.e. systems…

Advent of Code: [2018/10](https://adventofcode.com/2018/day/10) In today's problem, we are given a sky map: a list of stars, characterized by their position and velocity: position=< 9, 1> velocity=< 0, 2> position=< 7, 0> velocity=<-1, 0>

Advent of Code: [2018/12](https://adventofcode.com/2018/day/12) Today we are given a bunch of pots, each containing (or not) plants; and some notes, describing how these pots change over time, based on the state of the adjacent pots: > The pots are num…

Advent of Code: [2018/18](https://adventofcode.com/2018/day/18) Game of life kind of problem today: > On the outskirts of the North Pole base construction project, many Elves are collecting lumber. > > The lumber collection area is 50 acres by 50 acres;…

Advent of Code: [2018/23](https://adventofcode.com/2018/day/23) This problem's input is a list of _nanobots_, each representing a 3-d location, and a radius (more to this later): pos=<0,0,0>, r=4 pos=<1,0,0>, r=1 pos=<4,0,0>, r=3 pos=<0,…

To get started with Sketch (the Common Lisp graphic framework, inspired by the Processing language), you will have to install SDL2 and some of its add-ons.