thomasballinger
/ myrepl.mjs
Last active May 30, 2020
View myrepl.mjs
| import tty from 'tty' | |
| import { emitKeypressEvents } from 'readline'; | |
| let drain; | |
| process.stdout.on('drain', () => { drain() }); | |
| const waitForDrain = () => new Promise(r => {drain = r}); | |
| function waitForDrainify(func) { | |
| return async (...args) => { | |
| if (!func(...args)) { | |
| await waitForDrain(); |
thomasballinger
/ endless-sky emscripten progress
Last active Apr 15, 2020
View endless-sky emscripten progress
| # Starting with Ubuntu 18.04.3 (LTS) x64 | |
| # I'm using a local VMwareFusion vm instead of Docker or something because I want to be able to test with a video device. | |
| # New install | |
| # (not shown) make account, enable ssh, add vm to /etc/hosts | |
| ssh vm | |
| apt-get update | |
| sudo apt install git | |
| git clone https://github.com/endless-sky/endless-sky.git |
View invalidation.js
| // Find deepest DOM ancestor that does not change on reexecute | |
| const findParentOutputDiv = (el) => { | |
| let candidate = el; | |
| while (candidate) { | |
| candidate = candidate.parentElement | |
| if (candidate.className === 'output') { | |
| return candidate; | |
| } | |
| } | |
| throw Error("parent output div not found"); |
thomasballinger
/ cell_invalidation.ipynb
Created Feb 1, 2020
sketch of noticing that a cell has been removed or reexecuted. Useful for stopping timers, removing event listeners, etc.
View cell_invalidation.ipynb
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thomasballinger
/ browserCanvasCtxFill.html
Created Oct 19, 2016
View browserCanvasCtxFill.html
| <html> | |
| <body> | |
| <canvas id="canvas1" width="200" height="200"></canvas> | |
| <canvas id="canvas2" width="200" height="200"></canvas> | |
| <canvas id="canvas3" width="200" height="200"></canvas> | |
| <script> | |
| var canvases = [canvas1, canvas2, canvas3] | |
| var fillArgs = [undefined, 'evenodd', 'nonzero'] |
thomasballinger
/ Main.elm
Last active Aug 18, 2016
This type error goes away if I switch the order of lines 54 and 55
View Main.elm
| module Main exposing (..) | |
| type alias HasXAndY a = | |
| { a | x : Float, y : Int } | |
| type alias HasX a = | |
| { a | x : Float } |
thomasballinger
/ composition.py
Created Jun 26, 2016
View composition.py
| from typing import Callable | |
| class A: pass | |
| class B: pass | |
| class C: pass | |
| def composition(aToB: Callable[[A], B], | |
| bToC: Callable[[B], C]) -> Callable[[A], C]: | |
| """Returns a callable that takes an A and returns a C""" |
View gist:f72c2a4ca5dba8d1b38db33458962ef1
| a simple remix file format | |
| Files are always UTF-8 | |
| a syntax like | |
| episode <episode query> of <podcast url> | |
| play from <time> to <time> [at 2x speed] [at +12 dB] | |
| example: |
thomasballinger
/ justnumbers.svg
Created May 7, 2016
View justnumbers.svg
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thomasballinger
/ openedByPython.log
Created Feb 14, 2016
.py files opened by Python just to start up
View openedByPython.log
| tomb@localhost:~$ strace python myPythonScript.py 2>&1 >/dev/null | grep open | grep -v ENOENT | grep -o '".*"' | grep -v '\.pyc' | |
| "/etc/ld.so.cache" | |
| "/lib/x86_64-linux-gnu/libpthread.so.0" | |
| "/lib/x86_64-linux-gnu/libc.so.6" | |
| "/lib/x86_64-linux-gnu/libdl.so.2" | |
| "/lib/x86_64-linux-gnu/libutil.so.1" | |
| "/lib/x86_64-linux-gnu/libz.so.1" | |
| "/lib/x86_64-linux-gnu/libm.so.6" | |
| "/usr/lib/python2.7/site.py" | |
| "/usr/lib/python2.7/os.py" |
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