morenoh149’s gists

morenoh149 / index.html

Created July 20, 2012 06:31

normal distribution generator (press F5)

	<html>
	<head>
	<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
	<style type="text/css">
	.axis path,
	.axis line {
	fill: none;
	stroke: black;
	shape-rendering: crispEdges;

morenoh149 / index.html

Created July 20, 2012 07:50

transition d3js tutorial

	<meta charset="utf-8">
	<html>
	<head>
	<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script>
	</head>
	<body>
	<button class="btn btn-mini" id="button">Transition</button>
	<script type="text/javascript">
	var svg = d3.select("body")
	.append("svg")

morenoh149 / data.csv

Created October 14, 2012 07:34

History of Federal Individual Income Bottom and Top Bracket Rates

morenoh149 / squareCDF.R

Created October 18, 2012 21:41

How do you write a ECDF function for an arbitrary dataset

	#!/usr/bin/env/Rscript
	squareCDF <- function(n=100){
	# create random data
	user_id <- seq(1,n)
	payment_id <- seq(101,n+100)
	payment_amount <- rnorm(n, mean= 100, sd=50)
	is_card_present <- sample(0:1, n, replace=T)
	data <- data.frame(user_id, payment_id, payment_amount, is_card_present)

	# calculate ECDF

morenoh149 / pricenomics.R

Created October 19, 2012 01:34

determine avg hourly temperature of 3 airports via json query

	library('RJSONIO')
	library('plyr')

	# get data
	source <- "http://dl.dropbox.com/u/274/readings_formatted.json"
	data_raw <- fromJSON(source)

	# format data into dataframe
	data <- do.call('rbind.fill', lapply(data_raw, as.data.frame))
	data$timestamp <- as.POSIXlt(data$timestamp)

morenoh149 / Balanced Parentheses Prompt

Last active December 26, 2015 11:39 — forked from EpiphanyMachine/Balanced Parentheses Prompt

	#
	# write a function that takes a string of text and returns true if
	# the parentheses, brackets, and braces are balanced and false otherwise.
	#
	# Example:
	# balanceParens('[](){}'); // true
	# balanceParens('[({})]'); // true
	# balanceParens('[(]{)}'); // false
	#
	# Step 3:

morenoh149 / comments_contorller.rb

Created December 9, 2013 00:20

creating comments on posts. users have many posts. many users may comment on a post.

	class CommentsController < ApplicationController
	before_filter :authenticate_user!

	def index
	@comments = Post.includes(:comments).find(params[:post_id])
	end

	def create
	@post = Post.find(params[:post_id])
	@comment = @post.comments.build(comment_params)

morenoh149 / users_controller.rb

Created December 17, 2013 22:50

fix n+1 query. User has many posts. I want to get 3 random posts from every user.

morenoh149 / put_iso_on_usb.sh

Created January 26, 2014 23:15

Bash script to help create a bootable usb stick on OS X

	#!/bin/bash
	HELP_STR="please provide location of .iso"
	if [ "$#" -lt 1 ]; then
	echo $HELP_STR
	else
	echo "`diskutil list`"
	echo "==============="
	echo "enter disk to eject"
	echo -e ">> \c"
	read word

morenoh149 / gruntfile.js

Last active January 4, 2016 20:59

resize icon grunt task for mobile-chrom-apps

	// for https://github.com/MobileChromeApps/mobile-chrome-apps/blob/master/docs/NextSteps.md
	module.exports = function(grunt) {

	grunt.initConfig({
	image_resize: {
	options: { overwrite: true, upscale: true, crop: true },
	icon_16: {
	options: { width: 16, height: 16 },
	files: { 'www/assets/icon16.png':'www/assets/icon.png' }
	},

Harry Moreno morenoh149