bdadam

sudo apt install qrencode
printf "Hello world" | qrencode -t utf8

bdadam

#!/usr/bin/env zx

const x =
  await $`echo | openssl s_client -servername bdadam.com -connect "bdadam.com:443" 2>/dev/null | openssl x509 -noout -enddate | cut -d= -f2`;

const diff = new Date(x.stdout).getTime() - Date.now();

console.log(diff);
console.log(diff > 30 * 24 * 60 * 60 * 1000);

bdadam

// https://stackoverflow.com/questions/48719873/how-to-get-median-and-quartiles-percentiles-of-an-array-in-javascript-or-php

// sort array ascending
const asc = arr => arr.sort((a, b) => a - b);

const sum = arr => arr.reduce((a, b) => a + b, 0);

const mean = arr => sum(arr) / arr.length;

// sample standard deviation

bdadam

// createCache.ts
export default function createCache(fetchFunction: () => Promise<any>, refreshInterval: number, retryAfter: number) {
  let fetchPromise: null | ReturnType<typeof fetchFunction> = null;

  const doThinInInterval = () => {
    fetchFunction().then((data) => {
      fetchPromise = Promise.resolve(data);
    })
    .catch(() => setTimeout(doThinInInterval, retryAfter));
    

bdadam

// https://leetcode.com/problems/lru-cache/submissions/

class LRUCache {
    obj: Record<number, { val: number; acc: number }>;
    capacity: number;
    size: number;
    acc: number;
    cache: Record<number, [val: number, acc: number, key: number]>;
    
    c: Map<number, [val: number, acc: number]>

bdadam

echo 1 | sudo tee /sys/class/backlight/intel_backlight/brightness 

bdadam

Things we are always saying

• Parts of the code are under-tested
• Parts of the code are "hard to reason about"
• Parts of the code are slow

Stateless functions, No side effects, Dependency injection

const state = {

bdadam

import interpolate from './interpolate';

describe('Interpolate for Translations', () => {
  // eslint-disable-next-line jest/no-commented-out-tests
  //   it('blah', () => {
  //     expect(interpolate('asdf')).toEqual('asdf');
  //     expect(interpolate('Hello {0}', ['World!'])).toEqual('Hello World!');
  //     expect(interpolate('Hello {0} {0}', ['World!'])).toEqual('Hello World! World!');
  //     expect(interpolate('Hello {0} {1} {2}!', ['World!', 'Welcome', 'here'])).toEqual('Hello World! Welcome here!');
  //     expect(interpolate('Hello {0} {1} {2}! {1} {2}!', ['World!', 'Welcome', 'here'])).toEqual(

bdadam

# https://android.stackexchange.com/a/199496

adb forward tcp:9222 localabstract:chrome_devtools_remote
wget -O tabs.json http://localhost:9222/json/list

bdadam

Functional Programming Jargon in simple terms:
https://github.com/hemanth/functional-programming-jargon

Professor Frisby's Mostly Adequate Guide to Functional Programming (book):
https://drboolean.gitbooks.io/mostly-adequate-guide/content/

A series on FP in JS from Eric Elliott:
https://medium.com/javascript-scene/the-rise-and-fall-and-rise-of-functional-programming-composable-software-c2d91b424c8c

Some introduction to Monads: