kohesion’s gists

kohesion / git-activity-summary

Created October 9, 2023 20:33

git activity summary

git log --no-merges --since="21 days ago" --pretty=format:%an --numstat | awk '/./ && !author { author = $0; next } author { ins[author] += $1; del[author] += $2 } /^$/ { author = ""; next } END { for (a in ins) { printf "%10d %10d %10d %s\n", ins[a] - del[a], ins[a], del[a], a } }' | sort -rn

kohesion / youtube-shooter-game-snippet-1

Last active September 7, 2022 21:59

Episode 9

	// standardize square size
	iconSizeX = 50
	iconSizeY = 50
	gridSizeX = 20
	gridSizeY = 15
	shipX = Math.floor(gridSizeX / 2)
	shipY = gridSizeY - 1
	grid = Array(gridSizeY).fill().map(() => Array(gridSizeX).fill(' '))
	shots = []

kohesion / retryWrapper.js

Created January 21, 2021 19:23

Fetch Retry Wrapper

	/** Use it like this **/
	/*
	RW = new RetryWrapper({max: 3, delay: 3000});

	RW.fetch('http://www.google.com/')
	.then(r => console.log('worked', r))
	.catch(e => console.error('whoops', e));
	*/

	class RetryWrapper {

kohesion / Observable.js

Last active January 17, 2022 17:40

Simple Observable implementation

	// sometimes you want to queue up messages for a component that isn't loaded yet
	// This is the type of problem RXJS is useful for...
	// ...but I didn't want to import RXJS for such a simple need

	// Use it like this:

	///////// In your producer code //////////////////
	// import Observable from '_shared/util/Observable';
	// o = new Observable();
	//

kohesion / mysql-async-await-queries

Created July 9, 2018 21:40

node mysql query callback to async await for connection pools

	pool.q = (...args) => new Promise ((resolve, reject) => {
	pool.query(...args, (error, ...successParams) => {
	if(error) {
	console.error('MYSQL Error:', error);
	reject(error.toString());
	}
	else {
	resolve({
	results: successParams[0],
	fields: successParams[1]

kohesion / donut.js

Created July 3, 2018 18:07

Donut - Customization of d3 donut pie chart visualization

	import * as d3 from "d3";

	var i = 0;
	let radius;

	const donut = function() {
	var data = [],
	width,
	height,
	margin = {top: 10, right: 10, bottom: 10, left: 10},

kohesion / ReactD3VisualizationComponentWrapper.jsx

Created June 4, 2018 15:38

React D3 Visualization Component Wrapper Example

	import React, { Component } from 'react';
	import Gauge from '../../visualizations/gauge';
	import * as _ from 'lodash';

	class ComponentGauge extends Component {
	constructor (props) {
	super(props);
	}
	componentDidMount() {
	this.gauge = new Gauge(this.refs.gauge, _.extend({

kohesion / gauge.js

Created June 4, 2018 15:35

D3 v4 Gauge Visualization

	import * as d3 from "d3";
	import * as _ from 'lodash';

	export default function(container, configuration) {
	let that = {};

	// eventually these should be class members
	let svg,
	r,
	tickData,

kohesion / diff-objects.lodash.js

Last active September 20, 2017 16:36

Diff Objects with lodash.js

	// Returns array of keys that are different between the two objects
	// takes account of values that differ between matching keys or missing keys from either object
	// result is deduped
	function diffObjects (a, b) {
	return _(a).toPairs().xorBy(_.toPairs(b), JSON.stringify).fromPairs().keys().value();
	}

kohesion / countdown-timer.jsx

Created January 9, 2017 19:07

	class Clock extends React.Component {
	constructor (props) {
	super(props);

	console.log('props', props);

	this.state = {
	timeTarget: props.timeTarget,
	days: 0,
	hours: 0,

Matthew C Baker kohesion