oliverjam

function calculatePi(dp = 200000) {
  let pi = 3;
  let i = 2;
  while (i < dp) {
    const divisor = 4 / (i * (i + 1) * (i + 2));
    if (i % 4 === 0) {
      pi -= divisor;
    } else {
      pi += divisor;
      console.log(i + ' ' + pi);

oliverjam

from decimal import getcontext, Decimal

getcontext().prec = 20

def calculatePi():
  pi = Decimal(3)
  i = Decimal(2)
  while i < 20000000:
    divisor = Decimal(4) / Decimal(i * (i + 1) * (i + 2))
    if i % 4 == 0:

oliverjam

function deepCount(arr) {
  return arr.reduce((acc, item) => {
    acc += 1;
    if (Array.isArray(item)) acc += deepCount(item);
    return acc;
  }, 0);
}

const a = [1, [2, 3, [4, 5, 6]]];

oliverjam

# If you come from bash you might have to change your $PATH.
# export PATH=$HOME/bin:/usr/local/bin:$PATH
# fpath+=("/usr/local/share/zsh/site-functions")
# autoload -U promptinit; promptinit
# prompt pure

# Path to your oh-my-zsh installation.
export ZSH=/Users/oliverjam/.oh-my-zsh

# Set name of the theme to load. Optionally, if you set this to "random"

oliverjam

aerial
android-file-transfer
appcleaner
atom
bbc-iplayer-downloads
betterzipql
calibre
cheatsheet
colorpicker-skalacolor
disk-inventory-x

oliverjam

autoconf
libtool
ruby
automake
libyaml
sqlite
boost
lua
thefuck
cctools

oliverjam

const str = "SERR PBQR PNZC";

function rot13(string) {
  return string.split('')
               .map(word => {
                  return word.split('')
                      .map(letter => {
                        const letterCode = letter.charCodeAt(0);
                        if (! (letterCode >= 65 && letterCode <= 90)) return letter;
                        if (letterCode <= 77) return String.fromCharCode(letterCode + 13);

oliverjam

function combineStrings() {
  let result = '';
  if (arguments.length > 0) {
    const args = [...arguments];
    const maxLength = args.map(item => item.length).reduce((a, b) => Math.max(a, b));
    for (let i = 0; i < maxLength; i++) {
      args.forEach(item => {
        result += item.charAt(i);
      });
    }

oliverjam

function every(arr, f) {
	for (let i = 0; i < arr.length; i++) {
      if (!f(arr[i])) return false;
    }
	return true;
}

function some(arr, f) {
	for (let i = 0; i < arr.length; i++) {
		if (f(arr[i])) return true;

oliverjam

function average(array) {
  function plus(a, b) { return a + b; }
  return array.reduce(plus) / array.length;
}

var byName = {};
ancestry.forEach(function(person) {
  byName[person.name] = person;
});