jestan

Systems Thinking

• "The Fifth Discipline", by Peter Senge (http://amzn.to/H7R4fp)
• "Lean Thinking", by James Womack (http://amzn.to/H7R9zK)
• "The Logic of Failure", by Dietrich Dorner (http://amzn.to/HyheLM)
• "Drift Into Failure", by Sidney Dekker (http://amzn.to/HpB8Fe)

Software Architecture & Methods

• "Documenting Software Architecture", by Paul Clements (http://amzn.to/H7RtOP)

jestan

Programming Achievements: How to Level Up as a Developer

This gist is part of a blog post. Check it out at:

http://jasonrudolph.com/blog/2011/08/09/programming-achievements-how-to-level-up-as-a-developer

jestan

class A
class A2 extends A
class B

trait M[X]

//
// Upper Type Bound
//
def upperTypeBound[AA <: A](x: AA): A = x

jestan

/**
 * Part Zero : 10:15 Saturday Night
 *
 * (In which we will see how to let the type system help you handle failure)...
 *
 * First let's define a domain. (All the following requires scala 2.9.x and scalaz 6.0)
 */

import scalaz._
import Scalaz._

jestan

trait Enum { //DIY enum type
  import java.util.concurrent.atomic.AtomicReference //Concurrency paranoia

  type EnumVal <: Value //This is a type that needs to be found in the implementing class

  def withName(name: String): Option[EnumVal] = values.find(_.name == name)
  def withNameIgnoringCase(name: String): Option[EnumVal] = values.find(_.name.equalsIgnoreCase(name))

  private def lazyName(requestingInstance: EnumVal): String = {
    getClass().getMethods()