michalkot

Keybase proof

I hereby claim:

• I am michalkot on github.
• I am mmk (https://keybase.io/mmk) on keybase.
• I have a public key whose fingerprint is 30EB AEBC F0D2 AEA2 2244 AD95 46C4 EF7C C4A4 CE65

To claim this, I am signing this object:

michalkot

function weightedRandom(ar) {
	var ar = ar.sort(x => x.w);
	var sum = ar.reduce((p, c) => p + c.w, 0);
	// normalise
	var soFar = 0;
	ar.map(o => {
		o.w = o.w / sum;
		o.w += soFar;
		soFar += o.w;
	});

michalkot

// Password generator bookmark.
// Fills in active text field OR all password fields if none is selected
// Run in chrome console, right click in bookmarks bar, select new page, paste in URL field
function passGen(n) {
  let ar = new Uint32Array(n);
  window.crypto.getRandomValues(ar);
  ar = [...ar];
  const pass = ar.map(n => n.toString(32)).join('-');
  if (document.activeElement) document.activeElement.value = pass;
  else [...document.querySelectorAll('input[type="password"]')].forEach(node => node.value = pass);