gerzhan

function map() {
	emit(1, {
		sum: this.value, // the field you want stats for
		min: this.value,
		max: this.value,
		count: 1,
		diff: 0
	});
}

gerzhan

// derived from http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm

function map() {
    emit(1, // Or put a GROUP BY key here
         {sum: this.value, // the field you want stats for
          min: this.value,
          max: this.value,
          count:1,
          diff: 0, // M2,n:  sum((val-mean)^2)
    });

gerzhan

pragma solidity ^0.4.11;


/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal returns (uint256) {
    uint256 c = a * b;

gerzhan

# Committing changes to a repo via the Github API is not entirely trivial.
# The five-step process is outlined here:
#   http://developer.github.com/v3/git/
#
# Matt Swanson wrote a blog post translating the above steps into actual API calls:
#   http://swanson.github.com/blog/2011/07/23/digging-around-the-github-api-take-2.html
# 
# I was not able to find sample code for actually doing this in Ruby, 
# either via the HTTP API or any of the gems that wrap the API.
# So in the hopes it will help others, here is a simple function to 

gerzhan

var mongoose = require('mongoose');
var Schema = mongoose.Schema;
 
//Database connection 
var uristring = 'mongodb://localhost/test';
var mongoOptions = { };
 
mongoose.connect(uristring, mongoOptions, function (err, res) {
    if (err) { 
        console.log('Error when connecting to: ' + uristring + '. ' + err);

gerzhan

// NOTE: I added the .js extension to this gist so it would have syntax highlighting. This file should have NO file extension

{
    // Settings
    "passfail"      : false,  // Stop on first error.
    "maxerr"        : 100,    // Maximum error before stopping.


    // Predefined globals whom JSHint will ignore.
    "browser"       : true,   // Standard browser globals e.g. `window`, `document`.

gerzhan

Integrate Parse Javascript SDK with Ionic 2 Beta

1 Install dependencies

• npm install parse --save
• tsd install parse --save // if you use Typescript

2 Modify the 'scripts' task in gulpfile.js to this:

gulpfile.js

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module['exports'] = function bot (hook) {
  var request = require('request');
  var TOKEN = hook.env.bot_scheduler_token;
  var ENDPOINT = 'https://api.telegram.org/bot' + TOKEN;
  
  console.log(hook.params);

  // generic handler to log api call responses
  var handler = function (err, httpResponse, body) {
    var response = JSON.stringify({

gerzhan

var dbh = require("../migrations"),
    relationName = "time_zones";

exports.up = function (next) {
    dbh.schema.createTable(
        relationName,
        function (table) {
            table.string("code", 50).primary();
            table.timestamps();
            table.integer("utc_offset").notNullable();

gerzhan

var socketIO = require('socket.io'),
	io;
 
// hapi plugin registration
exports.register = function(plugin, options, next) {
	// this is the hapi specific binding
	io = socketIO.listen(plugin.servers[0].listener);
	
	io.sockets.on('connection', function(socket) {
		socket.emit({msg: 'welcome'});