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Steve Hall sghall

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@sghall_dev

sghall / MarkedMessage.jsx

Created April 3, 2020 21:12

Marked Message

	// Test Component:
	interface MarkedMessageProps {
	message: string;
	matches: { offset: number; length: number }[];
	}

	const MarkedMessage: React.FC<MarkedMessageProps> = ({ message, matches }) => {
	const parts: React.ReactNode[] = [];

	let runningOffset = 0;

sghall / three.phong.frag.glsl

Created March 23, 2019 21:19

Three Shaders

	precision highp float;
	precision highp int;
	#define SHADER_NAME MeshPhongMaterial
	#define GAMMA_FACTOR 2
	uniform mat4 viewMatrix;
	uniform vec3 cameraPosition;
	#define TONE_MAPPING
	#ifndef saturate
	#define saturate(a) clamp( a, 0.0, 1.0 )
	#endif

sghall / demo.css

Created August 31, 2017 09:36

sghall / gist:380aa1055bcad4db22d1fc258d7f09d0

Created August 1, 2017 22:47

react-table css

sghall / gist:634c1099e731542a0a076286f052eedc

Created January 23, 2017 21:05

Min Perimeter for Rectangle of Given Area in JavaScript

sghall / gist:df3146a3290c1c40a3820ac154dcb820

Last active January 23, 2017 19:20

Count Factors of Number in JavaScript


	function getFactorCount(num) {
	if (num === 0) {
	return;
	}

	if (num === 1) {
	return 1;
	}

sghall / gist:1745a23a9aed9781a115660434788332

Created January 23, 2017 08:53

Max Sub-Array JavaScript

	https://en.wikipedia.org/wiki/Maximum_subarray_problem

	function maxSubArray(arr) {
	const len = arr.length;

	let cur = arr[0];
	let max = arr[0];

	for (let i = 1; i < len; i++) {
	cur = Math.max(arr[i], cur + arr[i]);

sghall / gist:b3d55273f480875e799e16dbf204fb9a

Last active January 25, 2017 15:35

toNegaBinary and toNegaQuaternary

	https://en.wikipedia.org/wiki/Negative_base#Calculation

	function toNegaBinary( number ) {
	var Schroeppel2 = 0xAAAAAAAA;
	return ( ( number + Schroeppel2 ) ^ Schroeppel2 ).toString(2);
	}

	function toNegaQuaternary( number ) {
	var Schroeppel4 = 0xCCCCCCCC;
	return ( ( number + Schroeppel4 ) ^ Schroeppel4 ).toString(4);

sghall / gist:42eb3644db8ae48d2ea045569ec56c4a

Created January 23, 2017 07:30

Count Rectangles in Wall

	function reactanlgeCount(arr) {
	const stack = [];

	let count = 0;

	for (let i = 0; i < arr.length; i++) {
	const next = arr[i];

	while (stack.length && next < stack[stack.length - 1]) {
	stack.pop();

sghall / gist:0822376f668fda0664e497d8474aa0fd

Created January 23, 2017 06:25

Determine if Brackets/Parenthesis are Nested Correctly