danibrear

/* eslint-disable @typescript-eslint/no-var-requires */

/**
 * How to run:
 * - export AWS_PROFILE
 * - export AWS_REGION=us-east-1
 */
const DynamoDB = require("aws-sdk/clients/dynamodb");
const dynamodb = new DynamoDB();
const DocumentClient = new DynamoDB.DocumentClient();

danibrear

// From https://docs.amplify.aws/cli/graphql-transformer/auth#field-level-authorization

// The code where this exception is thrown is: https://github.com/aws-amplify/amplify-js/blob/d9aa32837f15f408daba0a0104bb27042b9331da/packages/api-graphql/src/GraphQLAPI.ts#L314

type User @model {
  id: ID!
  username: String
  ssn: String @auth(rules: [{ allow: owner, ownerField: "username" }])
}

danibrear

const chunk = (arr, size) => arr.reduce((a, n) => a[a.length-1].length < size ? [...a.slice(0,-1), [...a[a.length-1], n]] : [...a, [n]], [[]]);

const a = [1,2,3,4,5,6,7,8,9]

console.log(chunk(a, 2)); // -> [[1, 2], [3, 4], [5, 6], [7, 8], [9]]
console.log(chunk(a, 3)); // -> [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
console.log(chunk(a, 4)); // -> [[1, 2, 3, 4], [5, 6, 7, 8], [9]]

danibrear

from probability_solution import (
make_power_plant_net,
set_probability,
get_alarm_prob,
get_gauge_prob,
get_temperature_prob,
get_marginal_temp_prob,
get_game_network,
calculate_posterior,
Gibbs_sampler,

danibrear

import React, { Component, PropTypes } from 'react';
import logo from './logo.svg';
import './App.css';

import { connect } from 'react-redux';

const mapStateToProps = (state) => ({
  name: state.name,
});

danibrear

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

danibrear

letters = [ l for l in 'abcdefghijklmnopqrstuvwxyz']
sentence = 'Rz xvi jigt nzz v ncjmo ydnovixz vczvy, wpo rz xvi nzz kgziot oczmz ocvo izzyn oj wz yjiz. - Vgvi Opmdib'
def decrypt(letter):
    if letter not in letters: return letter
    return letters[((letters.index(letter) + 5) % len(letters))]

for word in sentence.split(' '):
    print ''.join([decrypt(letter) for letter in word.lower()]),
    
# we can only see a short distance ahead, but we can see plenty there that needs to be done. - alan turing

danibrear

Array.prototype.zeros = function() { return Array.apply(null, {length: this.length}).map(function(x){ return 0;}); };

danibrear

/*
  Just wanted to play around with creating addition and subtraction methods without using + and -
  @author: David Brear
  @date: 2015-05-11
*/

var add = function (x, y) {
    while (y !== 0) {
        var carry = x & y;
        x = x ^ y;

danibrear

function sudoku(puzzle) {
	if (solved(puzzle)) {
  	return puzzle;
  }
  var copy = puzzle.slice(0);
  for(var x=0;x<9; x++) {
    for(var y=0;y<9;y++) {
    	if (puzzle[x][y] !== 0) continue;
    	var available = get_available(puzzle, x,y);
      for(var i = 0; i < available.length;i++) {