shanewholloway

const tiny_load = src =>
  new Promise((onload, onerror) =>
    document.head.appendChild(
      Object.assign(
        document.createElement('script'),
        {src, onload, onerror},
        src.startsWith('http')
          ? {crossorigin: true}
          : null ) ))

shanewholloway

Keybase proof

I hereby claim:

• I am shanewholloway on github.
• I am rs_shane (https://keybase.io/rs_shane) on keybase.
• I have a public key ASBsTru3vXFK9qSaEUSKQf90HtU5s1RHMAePC-xxM79zCwo

To claim this, I am signing this object:

shanewholloway

Keybase proof

I hereby claim:

• I am shanewholloway on github.
• I am shanewholloway (https://keybase.io/shanewholloway) on keybase.
• I have a public key ASALlQzEk_Vxarp8quh4XDhlOBCO9NXZrifkY9BwvJ8v7wo

To claim this, I am signing this object:

shanewholloway

#!/bin/sh

# Seems to only support RSA keys...

ykman piv export-certificate 9a public-cert.pem

openssl x509 -in public-cert.pem -noout -pubkey > public-key.pem

ssh-keygen -i -m pkcs8 -f ./public-key.pem > id_yubi_9a.pub

shanewholloway

const worker_src = `
console.log("Worker from a Blob URL:", typeof self)
`

const blob_worker = new Blob([worker_src], {type: 'application/javascript'})

const bloburl_worker = URL.createObjectURL(blob_worker)
console.log({bloburl_worker})

const wkr = new Worker(bloburl_worker, {type: 'module'})

shanewholloway

class Awesome {
  fn = ns => (console.log('instance function', this), this)
  static s_fn = ns => (console.log('static function', this), this)

  val = (ns => (console.log('instance iife', this), this))()
  static s_val = (ns => (console.log('static iife', this), this))()
}

console.log('Awesome.s_val', Awesome.s_val === Awesome, Awesome.s_val)
// true

shanewholloway

SHTC3 and RaspberryPI over Qwiic

Parts:

• SparkFun Humidity Sensor Breakout - SHTC3 (Qwiic)
• SparkFun Qwiic pHAT v2.0 for Raspberry Pi
• Raspberry Pi 3 B+

Reference Material:

• SHTC3_Datasheet
• smbus2 Python library

shanewholloway

class CBORDecoderBase {
  // Possible monkeypatch apis responsibilities:
  //   decode() ::
  //   *iter_decode() ::
  //   async decode_stream() ::
  //   async * aiter_decode_stream() ::

  static options(options) {
    return (class extends this {})
      .compile(options)}

shanewholloway

export function parse_html(raw_html_string) {
  return new DOMParser()
    .parseFromString(raw_html_string, 'text/html') }

export function dom_to_html_blob(dom) {
  let html_doc = new XMLSerializer()
    .serializeToString(dom)
  return new Blob([html_doc], {type: 'text/html'}) }

export function dom_to_html_blob_url(dom) {

shanewholloway

async function blobAsDataURL(blob) {
  let rdr = new FileReader()
  await new Promise((onload, onerror) => {
    rdr.onload = onload
    rdr.onerror = onerror
    rdr.readAsDataURL(blob) })
  return rdr.result
}