adam-singer

Docker Cheat Sheet

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adam-singer

#!/bin/sh

# one way (older scala version will be installed)
# sudo apt-get install scala

#2nd way
sudo apt-get remove scala-library scala
wget www.scala-lang.org/files/archive/scala-2.10.3.deb
sudo dpkg -i scala-2.10.3.deb
sudo apt-get update

adam-singer

hg clone http://hg.openjdk.java.net/graal/graal
cd graal
# http://mail.openjdk.java.net/pipermail/graal-dev/2013-December/001255.html
# uncomment if xm barks about not finding 1.7. 
# export EXTRA_JAVA_HOMES=/Library/Java/JavaVirtualMachines/jdk1.7.0_67.jdk/Contents/Home
export DEFAULT_VM=server
export COMPILER_WARNINGS_FATAL=false
export USE_CLANG=true
export LFLAGS="-Xlinker -lstdc++"
export USE_PRECOMPILED_HEADER=0

adam-singer

dart --version

Dart VM version: 1.6.0-dev.9.7 (Tue Aug 26 00:14:16 2014) on "macos_x64"

mkdir -p /tmp/t
cd /tmp/t
export PUB_CACHE=/tmp/t
pub cache add chrome --version 0.6.1 --all
cd hosted/pub.dartlang.org/chrome-0.6.1/
unset PUB_CACHE

adam-singer

// http://en.wikipedia.org/wiki/Bridge_pattern

trait DrawingAPI {
  def drawCircle(x:Double, y: Double, radius:Double)
}

class DrawingAPI1 extends DrawingAPI {
  override def drawCircle(x: Double, y: Double, radius: Double) = {
    printf("API1.circle at %f:%f radius %f\n", x, y, radius)
  }

adam-singer

// Example borrowed from http://algs4.cs.princeton.edu/
class cardShuffle {

  String _cards;
  
  cardShuffle() {
  }

  void run() {
    _cards = "2C 3C 4C 5C 6C 7C 8C 9C 10C JC QC KC AC " +

adam-singer

class ListExtension  {
  /**
  * Returns a [List] of indexes of the given [element], starting 
  * the search at index [startIndex] to [endIndex] (exclusive).
  * Returns an empty [List] if [element] is not found.
  */
  static List<num> indexesOf(List list, Object element, int startIndex, int endIndex) {
    List<num> n = new List<num>();
    
    if (startIndex >= list.length) {

adam-singer

rm -rf dart snapshots &&
mkdir snapshots &&
cd snapshots &&
wget http://gsdview.appspot.com/dart-editor-archive-continuous/latest/dart-editor-macosx.cocoa.x86_64.zip
cd ../ &&
tar -zxvf snapshots/dart-editor-macosx.cocoa.x86_64.zip && 
cd dart &&
echo "./DartEditor.app/Contents/MacOS/DartEditor" > runDartEditor.sh &&
chmod +x runDartEditor.sh &&
cd dart-sdk &&

adam-singer

#import('dart:html');

class A {
  List _l;
}

class B extends A {
  List _l;
}

adam-singer

#import('dart:html');

class DartiumBug {

  DartiumBug() {
  }

  void run() {
    num n = Math.pow(10, 4);
    write("n = ${n}");