mwmcode

/**
 * Modified by Russell Dempsey on 2021 DEC 15
 * @see https://stackoverflow.com/a/62002044/592760
 */
type Subscriber<T> = (value: T) => void;
class Observable<T> {
    private subscribers = new Set<Subscriber<T>>();

    constructor(private value: T) {}

mwmcode

// TODO: make `pages` optional and measure the div when unspecified, this will
// allow more normal document flow and make it easier to do both mobile and
// desktop.
import {
  createContext,
  useCallback,
  useContext,
  useEffect,
  useMemo,
  useRef,

mwmcode

Prompt to install a React PWA

A React Provider/Consumer (hook) to capture beforeinstallprompt and display Install app? message to the user at a later time/event.

PropmptToInstall and usePromptToInstall

// PropmptToInstall.tsx
import React, { createContext, useState, useEffect, useContext, useCallback, ReactNode } from 'react';
import { IBeforeInstallPromptEvent, PromptCtx } from './types';

const PromptToInstall = createContext<PromptCtx>({deferredEvt: null});

mwmcode

pragma solidity ^0.7.3;
pragma experimental ABIEncoderV2;

contract MultiSigWallet {
    uint minApprovers;
    address payable beneficiary;
    address payable owner;
    mapping (address => bool) approvedBy;
    mapping (address => bool) isApprover;
    uint approvalsCount;

mwmcode

import { useRef, useEffect } from 'react';
import useExtractFormikState from './useExtractFormikState';

type PersistProps = {
  name: string;
  type?: 'local' | 'session';
}

export default function FormikPersist(props: PersistProps): null {
  const { name, type = 'session' } = props;

mwmcode

1. install NVM https://github.com/nvm-sh/nvm
2. install https://github.com/edc/bass to run bash commands (nvm) from fish shell
3. install https://github.com/FabioAntunes/fish-nvm (functions to load node when called via npm/yarn/node... using bass)

mwmcode

Sorting

Buble sort

• Compares two numbers and swaps them if the 2nd > 1st
• Keeps repeating the process (up to length - 1 each iteration)
• Simple but not a practical solution due to its heavy performance

mwmcode

// common
const path = require('path');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const Dotenv = require('dotenv-webpack');

const rootpath = path.resolve(__dirname, '..');
const fontRegex = /.(eot|ttf|woff|otf|woff2)$/;
const imgRegex = /.(png|jpg|gif|svg)$/;
const fileRegex = new RegExp(`(${fontRegex.source})|(${imgRegex.source})`);

mwmcode

{
  "Ansi 5 Color" : {
    "Red Component" : 0.8587691187858582,
    "Color Space" : "Calibrated",
    "Blue Component" : 0.8668023347854614,
    "Alpha Component" : 1,
    "Green Component" : 0.4679538607597351
  },
  "Tags" : [

mwmcode

// A [] queue of ppl and their weights
// B [] floors each person is going to
// M maximum floors of building
// X maximum people on elv
// Y maximum wight on elv

function solution(A, B, M, X, Y) {
	// if queue had one person and is going to a reachable floor
	if (A.length === 1 && B[0] <= M) {
		return 2;