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Tom Ballinger thomasballinger

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@thomasballinger
thomasballinger / dom.diff
Created November 5, 2024 02:34
React commits just this at some point, that's when we lose the CSS
--- stuff.html 2024-11-04 18:33:00
+++ right.html 2024-11-04 17:09:24
@@ -1,15 +1,21 @@
-<head></head>
+<head>
+ <meta name="tsr-meta" />
+ <title>TanStack Start Starter</title>
+ <meta charset="utf-8" />
+ <meta name="viewport" content="width=device-width, initial-scale=1" />
+ <link rel="stylesheet" href="/_build/app/styles/app.css" />
@thomasballinger
thomasballinger / html.diff
Created November 5, 2024 00:37
--- left.html 2024-11-04 16:36:50
+++ right.html 2024-11-04 16:36:50
@@ -1,79 +1,22 @@
<head>
<meta name="tsr-meta" />
<title>TanStack Start Starter</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="stylesheet" href="/_build/app/styles/app.css" />
- <script class="tsr-once">
@thomasballinger
thomasballinger / html.diff
Last active November 4, 2024 20:17
pre/post SSR diff
9,43d8
< <script class="tsr-once">
< __TSR__ = {
< matches: [],
< streamedValues: {},
< initMatch: (index) => {
< Object.entries(__TSR__.matches[index].extracted).forEach(([id, ex]) => {
< if (ex.type === "stream") {
< let controller;
< ex.value = new ReadableStream({
@thomasballinger
thomasballinger / myrepl.mjs
Last active May 30, 2020 21:18
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
thomasballinger / endless-sky emscripten progress
Last active April 15, 2020 16:49
# 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
@thomasballinger
thomasballinger / invalidation.js
Created February 5, 2020 03:40
invalidation of Jupyter notebook cells
// 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
thomasballinger / cell_invalidation.ipynb
Created February 1, 2020 08:15
sketch of noticing that a cell has been removed or reexecuted. Useful for stopping timers, removing event listeners, etc.
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@thomasballinger
thomasballinger / browserCanvasCtxFill.html
Created October 19, 2016 04:38
<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
thomasballinger / Main.elm
Last active August 18, 2016 23:54
This type error goes away if I switch the order of lines 54 and 55
module Main exposing (..)
type alias HasXAndY a =
{ a | x : Float, y : Int }
type alias HasX a =
{ a | x : Float }
@thomasballinger
thomasballinger / composition.py
Created June 26, 2016 04:08
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"""