danriti

#!/bin/bash

# Set the ROOM_ID & AUTH_TOKEN variables below.
# Further instructions at https://www.hipchat.com/docs/apiv2/auth

ROOM_ID=XXX
AUTH_TOKEN=XXX
MESSAGE="Hello world!"

curl -H "Content-Type: application/json" \

joseluisq

Add Git Branch Name to Terminal Prompt (Linux/Mac)

Open ~/.bash_profile in your favorite editor and add the following content to the bottom.

# Git branch in prompt.

parse_git_branch() {

leelakrishna

val f = sc.textFile("sample.txt")
// word count 
val wc = f.flatMap(l => l.split(" ")).map(word => (word,1)).reduceByKey(_ + _)
// swap k,v to v,k to sort by word frequency
val wc_swap = wc.map(_.swap)
// sort keys by ascending=false (descending)
val hifreq_words = wc_swap.sortByKey(false,1)
hifreq_words.saveAsTextFile("hifreq_words")
// get an array of top 20 frequent words
val top20 = hifreq_words.take(20)

djonsson

What is this?

Following this guide will set up a local Elasticsearch with Kibana and Marvel using Homebrew and Homebrew Cask

Prerequisites

If you already have Java installed on your system, skip steps Install Cask and Install Java

If you already have Java and Homebrew installed on your system, skip steps Prerequisites, start at Install Elasticsearch and Kibana after running $ brew update

Install Homebrew

• $ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

aseigneurin

Spark - High availability

Components in play

As a reminder, here are the components in play to run an application:

• The cluster:
  • Spark Master: coordinates the resources
  • Spark Workers: offer resources to run the applications
• The application:

janlukasschroeder