jaylandro

import time
import random
import board
import neopixel

pixels = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.3)

while True:
    rgbVar = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
    pixels.fill(rgbVar)

jaylandro

# -------------------------------------------------------------------- #
# CircuitPython Analog In detection set RGB to random color example
# -------------------------------------------------------------------- #

import time, board, neopixel, random
from analogio import AnalogIn

analog_in = AnalogIn(board.A1)
led = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)

jaylandro

const rootSchema = {
  $schema: "http://json-schema.org/draft-04/schema#",
  title: "Person",
  description: "A person",
  type: "object",
  properties: {
    name: {
      description: "A person's name",
      type: "string",
    },

jaylandro

function arrayDiffSym(arr1, arr2) {
    return [
      ...arr1.filter(item => !arr2.includes(item)),
      ...arr2.filter(item => !arr1.includes(item)),
    ];
}

jaylandro

window.subscribers = [];

const defaultState = {
  todos: []
};

const state = new Proxy(defaultState, {
  set(state, key, value) {
    const oldState = { ...state };
    

jaylandro

function sum(arr) {
    return arr.reduce((a,b) => a + b);
}

function throttle(fn, ms) {
    let pending = false;

    return () => {
        if (!pending) {
            fn();

jaylandro

curl ifconfig.co/json | jq
curl ifconfig.co/json | json_pp

jaylandro

const markdownEngine = markdownIt({
  html: true,
  linkify: true
});

const defaultRender = markdownEngine.renderer.rules.link_open || function(tokens, idx, options, env, self) {
  return self.renderToken(tokens, idx, options);
};

markdownEngine.renderer.rules.link_open = function (tokens, idx, options, env, self) {

jaylandro

JavaScript Fundamentals - Part 1

Scope/Hoisting

Var & Scope

var greeting = 'Hello'; 
console.log(greeting); //=> Hello

if (true) { 
 var greeting = 'Hi'; 

jaylandro

Building from the ground up, our first Dockerfile:

Save this snippet as Dockerfile:

FROM alpine:latest
ENV name Docker Developers
ENTRYPOINT echo "Hello, $name!"

In Bash or Powershell: