davidmoten

#!/bin/bash
set -e
TEMPFILE=`mktemp /tmp/ScriptXXXXX|sed -e 's/\.//g'`
CLASS_NAME=`basename "$TEMPFILE"`
JAVA_SOURCE=$TEMPFILE.java
cat <<EOF >$JAVA_SOURCE.tmp

//Write your java class here with a main method
//Be sure to leave the name of the class as Script 

davidmoten

sudo apt-get install -y curl 
sudo apt-add-repository -r http://ppa.launchpad.net/adamsutton/tvheadend

sudo add-apt-repository -y ppa:webupd8team/java
sudo add-apt-repository -y "deb http://ppa.launchpad.net/natecarlson/maven3/ubuntu precise main" 

curl http://apt.tvheadend.org/repo.gpg.key | sudo apt-key add -
sudo apt-add-repository -y http://apt.tvheadend.org/stable

sudo apt-get update

davidmoten

	/**
	 * Returns distinct cells and the the total nautical miles travelled in that
	 * cell. Uses RxJava {@link Observable}s to maximize throughput and will
	 * scale to use all available processors and to handle a large number of
	 * files (number of open file handles should be limited by number of
	 * available processors).
	 * 
	 * @param files
	 * @return
	 */

davidmoten

$!/bin/bash
sudo apt-get purge docker.io
curl -s https://get.docker.io/ubuntu/ | sudo sh

davidmoten

How to contribute to a project on GitHub

Fork the project to your account

Login to github, go to project and click on Fork

Clone from fork to local

git clone https://github.com/davidmoten/RxJava.git

Locally add the upstream project

git remote add upstream https://github.com/ReactiveX/RxJava.git

davidmoten

sudo add-apt-repository -y ppa:webupd8team/java
sudo add-apt-repository -y "deb http://ppa.launchpad.net/natecarlson/maven3/ubuntu precise main" 
sudo apt-get update
sudo apt-get install maven3 --force-yes
cd
echo >>.bashrc
echo export PATH=/usr/share/maven3/bin/mvn:$PATH >>.bashrc
echo alias i=\'mvn clean install\' >>.bashrc
source .bashrc

davidmoten

find . -name *.java|grep -v target|xargs sed '/^\s*\/\//d;/^\s*$/d'|wc -l

davidmoten

# shows uncommitted files and unpushed commits
function gits {
  set -e
  git status -s
  CURRENT_BRANCH=`git rev-parse --abbrev-ref HEAD`
  UNPUSHED=`git log origin/$CURRENT_BRANCH..$CURRENT_BRANCH`
  if [ -z $UNPUSHED ]; then
    echo Unpushed:
    echo $UNPUSHED
  fi

davidmoten

Observable<Entry<GeoCircleValue<String>> results = tree.search(...);
results
    //get just the name of the city
    .map( entry -> entry.value().value)
    //get the populations asynchronously
    .flatMap(name -> Observable.just(name)
                               .map(n -> new NameAndPop(n, service.populationOf(n))
                               .subscribeOn(Schedulers.io()))
 //observe the results on current thread

davidmoten

• in AWS - Account Details - Security Credentials - create group, user. Give group permission to access EC2 and S3 (AmazonEC2FullAccess and AmazonS3ReadOnlyAccess), add user to group, under user Manage Access Keys and download csv file with key and secret.
• add to aws-env.sh
• Create a new key pair at https://console.aws.amazon.com/ec2/v2/home?region=ap-southeast-2#KeyPairs:sort=keyName
• Download