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// In response to Slack post "Please explain why Doubles work this way"
//
// For doubles...
//     1.001484375 - 1 = 0.0014843749999999822
//     0.001484375 + 1 = 1.001484375
//
// To run, start the repl with `sbt console`, then paste all this in
//
import java.lang.Double.doubleToRawLongBits
import java.lang.Long.{toBinaryString, toHexString}

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#!/bin/bash

# WORKAROUND (2014-07-16, Marc): Avoids "No scala version specified or detected"
#   error when Play 2.0.x and 2.3.x projects are both built by same local user.
if [ -e "${HOME}/.sbt/boot/other" ]; then
  rm -rfv ~/.sbt/boot/other
  rm -v ~/.ivy2/cache/org.scala-sbt/sbt/ivy-0.13.5.xml
fi

export SBT_OPTS="-Dsbt.repository.config=/etc/sbt/repositories -Dsbt.override.build.repos=true"

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/**
 * ```
 * Does JDK8's Optional class satisfy the Monad laws?
 * =================================================
 *   1.  Left identity:  true
 *   2.  Right identity: true
 *   3.  Associativity:  true
 *
 * Yes, it does. 
 * ```

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import scala.util.{Try, Success, Failure}

def f(s: String): Try[Int] = Try { s.toInt }
def g(i: Int): Try[Int] = Try { i * 2 }
def unit[T](v: T): Try[T] = Success(v)

//val v = "1" 
val v = "bad"
val m = Success(v)

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////
// Output of running:
//   $ scala -Xprint:parser -e "val e: Either[String, Int] = Right(1); for {i <- e.right; j = i + 1} yield j"
////
//
// Picked up _JAVA_OPTIONS: -Xss3m -XX:MaxPermSize=256M
// /tmp/scalacmd2064075741948415763.scala:1: error: value map is not a member 
// of Product with Either[String,(Int, Int)] with Serializable
// val e: Either[String, Int] = Right(1); for {i <- e.right; j = i + 1} yield j
//                                               ^

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#!/bin/bash
##
# A script to test our debian package naming policy.
#
# This script uses `dpkg --compare-versions` to test that provided 
# sequences of package names are considered to be in ascending order 
# by Debian's tools.
#
# Author:   Marc Siegel <[email protected]>
# Modified: 2013-07-30

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package enriching_example

import scala.util.control.Exception.allCatch

case class StringWithToInt(s: String) {
  def toIntOpt: Option[Int] = allCatch opt { s.toInt }
}

implicit def string2stringWithToInt(s: String) = StringWithToInt(s)

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CREATE TABLE filler (
        id INT NOT NULL PRIMARY KEY AUTO_INCREMENT
) ENGINE=Memory;

CREATE TABLE t_param (
        param INT NOT NULL PRIMARY KEY
) ENGINE=Memory;

CREATE TABLE t_source (
        id INT NOT NULL PRIMARY KEY,

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require 'hamster'
require 'hamster/experimental/mutable_hash'

# a bunch of threads with a read/write ratio of 10:1
num_threads = 100
num_reads_per_write = 10
num_loops = 500 
hsh = Hamster.mutable_hash

puts RUBY_DESCRIPTION

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class Project
  attr_reader :supervisor

  # assume supervisor looks like:
  # ["Harry", "Henderson", "[email protected]"]

  def initialize(supervisor)
    @supervisor = supervisor
  end