dcsobral’s gists

dcsobral / gist:3353398

Created August 14, 2012 22:01

Proxy problems

	dcs@shadowfax:~/github/example-sbt-project$ cat ~/bin/sbt
	#!/bin/sh
	if test -f ~/.sbtconfig; then
	. ~/.sbtconfig
	fi
	#java -Xmx512M -noverify -javaagent:/home/dcs/ZeroTurnaround/JRebel/jrebel.jar -jar `dirname $0`/sbt-launch.jar "$@"
	java \
	-XX:+CMSClassUnloadingEnabled -XX:+UseParallelGC -Xss1m -XX:MaxPermSize=512m -Xmx1536M \
	-jar `dirname $0`/sbt-launch.jar "$@"
	# -Dhttp.auth.preference=ntlm -Dhttp.auth.ntlm.domain=domain \

dcsobral / gist:3093046

Created July 11, 2012 20:19

Scala 2.10 -- De onde viemos e para onde vamos? Snippets de código

	// Try

	def percentCompleted(total: Int,
	done: Int): Int =
	Try ( done * 100 / total ) getOrElse 100

	// Try/rescue/recover/andThen

	Try {
	new FileInputStream(a)

dcsobral / Test.scala

Created July 2, 2012 03:59

JSON serialization

	import scala.reflect.runtime.universe._
	import scala.collection.GenTraversableOnce

	case class Numero(n: Int, s: String)
	case class Xyzzy(lst: List[Int])
	case class Nested(nums: List[Numero], xyzzy: Xyzzy)


	object Test extends App {
	def serialize[T: TypeTag](obj: T): String = {

dcsobral / gist:3026809

Created July 1, 2012 04:23 — forked from paulp/gist:3022109

	// a.scala
	// Fri Jun 29 16:15:08 PDT 2012

	import scala.reflect.makro.Context
	import collection.mutable.ListBuffer
	import collection.mutable.Stack
	import language.experimental.macros

	object Macros {
	val conversionChars = "%BbCcdEefGgHhinosuXx"

dcsobral / ForwardPipe.scala

Created April 16, 2012 15:51

Forward Pipe of the Future

	// This needs to be put inside an object, I think, but SIP13+SIP-15 is not working right now, so I couldn't test it

	implicit class ForwardPipe[T](val obj: T) extends AnyVal {
	def \|> [U](f : T => U) = f(obj)
	}

dcsobral / SBT.sublime-build

Created February 23, 2012 18:31 — forked from jboner/SBT.sublime-build

Sublime Editor SBT build setup

	{
	"cmd": ["sbt-no-color test"],
	"file_regex": "^\\[error\\] ([.a-z_A-Z0-9/-]+[.]scala):([0-9]+):",
	"selector": "source.scala",
	"working_dir": "${project_path:${folder}}",
	"shell": "true"
	}

dcsobral / ProcTrav.scala

Created February 1, 2012 18:25

Process Traversable

	import scala.sys.process._
	import scala.util.control.ControlThrowable

	class ProcTrav(pb: ProcessBuilder) extends Traversable[String] {
	var iterating: Boolean = _
	var exception: Option[Throwable] = _
	// This is required to stop the process, but since we are not doing that...
	// var process: Process = _ // Need to synchronize access to this

	def logger[U](f: String => U): String => Unit = (input: String) => if (iterating) try { f(input) } catch {

dcsobral / prompt.sbt

Created January 24, 2012 17:15

Project:(git)Branch> SBT Prompt

	shellPrompt <<= name(name => { state: State =>
	object devnull extends ProcessLogger {
	def info(s: => String) {}
	def error(s: => String) { }
	def buffer[T](f: => T): T = f
	}
	val current = """\*\s+(\w+)""".r
	def gitBranches = ("git branch --no-color" lines_! devnull mkString)
	"%s:%s>" format (
	name,

dcsobral / hashmap-bench.scala

Created January 8, 2012 01:15 — forked from erikrozendaal/hashmap-bench.scala

Scala TreeMap benchmarks

	import collection.mutable.ArrayBuffer
	import collection.immutable.HashMap

	object HashMapTest {

	val random = new util.Random(1234)

	def time(block: => Unit): Double = {
	val start = System.nanoTime()
	block

dcsobral / gist:1565038

Created January 5, 2012 12:20

Trailing commas in Scala

	dcs@ayanami:~/github/GenRegex (master)$ ~/scala-2.7.7.final/bin/scala -deprecation
	Welcome to Scala version 2.7.7.final (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_26).
	Type in expressions to have them evaluated.
	Type :help for more information.

	scala> List(1, 2, 3,)
	<console>:1: warning: Trailing commas have been deprecated
	List(1, 2, 3,)
	^
	<console>:2: warning: Trailing commas have been deprecated

Daniel Capo Sobral dcsobral