cdipaolo

// haversin(θ) function
func hsin(theta float64) float64 {
	return math.Pow(math.Sin(theta/2), 2)
}

// Distance function returns the distance (in meters) between two points of
//     a given longitude and latitude relatively accurately (using a spherical
//     approximation of the Earth) through the Haversin Distance Formula for
//     great arc distance on a sphere with accuracy for small distances
//

jhamrick

#!/usr/bin/env bash
#
# Generate a set of TLS credentials that can be used to run development mode.
#
# Based on script by Ash Wilson (@smashwilson)
# https://github.com/cloudpipe/cloudpipe/pull/45/files#diff-15
#
# usage: sh ./genkeys.sh NAME HOSTNAME IP

set -o errexit

dpwiz

import Debug
import Graphics.Input as Input
import Html
import Html (..)
import Html.Attributes (..)
import Html.Events (..)
import Html.Tags (..)
import Http
import Window

nocturnalgeek

@binkmail.com
@bobmail.info
@chammy.info
@devnullmail.com
@letthemeatspam.com
@mailinater.com
@mailinator.net
@mailinator2.com
@notmailinator.com
@reallymymail.com

grugq

Operational PGP

This is a guide on how to email securely.

There are many guides on how to install and use PGP to encrypt email. This is not one of them. This is a guide on secure communication using email with PGP encryption. If you are not familiar with PGP, please read another guide first. If you are comfortable using PGP to encrypt and decrypt emails, this guide will raise your security to the next level.

wsargent

303 See Other

Location: https://github.com/wsargent/docker-cheat-sheet

Hi there!

The docker cheat sheet has moved to a Github project under https://github.com/wsargent/docker-cheat-sheet.

Please click on the link above to go to the cheat sheet.

terrancesnyder

HDFS Drive Install

Determine Drive

sudo lshw -C disk

Partition

jamesgary

Object-Oriented Lessons for a Service-Oriented World

Chris Kelly (@amateurhuman)

• Works for New Relic as Happiness Engineer
• These aren't hard principles, mostly ideas for now
• Monorail - Monolithic Rails App
• Network-based application software instead of SOA
• (not necessarily building 'service')
• Monorail (which is a mess) <-> Cache <-> Database
• Your app is a special snowflake that breaks every time something changes.
• Apt metaphor: Crystaline architecture shatters when a small thing changes

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

zedtux

# TL;DR: YOU SHOULD DELETE THIS FILE
#
# This file was generated by Cucumber-Rails and is only here to get you a head start
# These step definitions are thin wrappers around the Capybara/Webrat API that lets you
# visit pages, interact with widgets and make assertions about page content.
#
# If you use these step definitions as basis for your features you will quickly end up
# with features that are:
#
# * Hard to maintain