takezoux2’s gists

takezoux2 / SealedClassEnum

Last active December 17, 2015 14:49

scala勉強会で出た話題のコード。 sealed classを使ってEnumerationと同じようなことを行う。

	object App
	{
	def main(args : Array[String]){
	doMatch(args[0].toInt)
	}

	def doMatch( id : Int) = {
	id match{
	// scala2.10では()つけないとコンパイルエラーなのであまりいけてない？
	case Status.OK() => println("OK")

takezoux2 / scala_study_100

Last active December 15, 2015 04:29

	Wifi
	SSID:LabWirelessFree
	PASS:なし

	Twitterハッシュタグ： #rpscala

	飲食は可ですが、ごみは持ち帰りです。
	コンビニは、ラクーアの方へ坂おりる途中にローソンがあります。

	ランチは適当に各自行ってください。

takezoux2 / detect-jdbc-driver-name.scala

Created February 13, 2013 04:42

Detect jdbc driver name from jdbc url.


	def detectDriverNameFromUrl(url : String) : Option[String] = {
	val splits = url.split(":")
	if(splits.length < 2){
	return None
	}
	if(splits(0) != "jdbc"){
	return None
	}

takezoux2 / ReflectionSample.scala

Last active December 9, 2015 18:39

Sample code for scala reflection.

	import scala.reflect.runtime.universe._
	import scala.reflect._

	object App{


	def main(args : Array[String]){

	val m = toMap(User("Kudo",2,false))
	println(m)

takezoux2 / build.sbt

Created October 23, 2012 03:43

Error occurs while compile in sbt 0.12.X

	libraryDependencies := Seq("org.specs2" %% "specs2" % "1.11" % "test") // regardless of libraries


	/*
	This build.sbt works well in sbt 0.11.X.
	But in sbt 0.12.X this build.sbt throws below Exception while compiling

	> compile

	[info] Compiling 1 Scala source to PROJECT_PATH\target\scala-2.9.2\classes...

takezoux2 / ConnectionWrapper.scala

Created June 12, 2012 15:21

simplest java.sql.Connection wrapper for scala

	import java.sql.{Savepoint, Connection}
	import java.util.{Properties, Map}
	import java.util.concurrent.Executor

	class ConnectionWrapper(connection : Connection) extends Connection{

	def setReadOnly(v0 : Boolean) = connection.setReadOnly(v0)
	def close() = connection.close()
	def isValid(v0 : Int) = connection.isValid(v0)
	def isReadOnly() = connection.isReadOnly()

takezoux2 / MavenToSBTDependencies.scala

Created February 16, 2012 13:42

Extract dependencies from pom file and convert to sbt dependencies.

	import scala.xml.Elem
	import scala.xml.XML

	/**
	* From console.
	* scala MavenToSBTDependencies _pom_file_ {sbt or scala}
	*/
	object MavenToSBTDependencies{

	case class Dep(scala_? : Boolean, vals : List[String]){

takezoux2 / SimpleArgsParser.scala

Created January 31, 2012 03:04

Simple command line args parser.

	/*
	{{{
	def main(args : Array[String]) = {
	val aMap = SimpleArgsParser.parse(args)
	...
	}
	}}}
	Parse command line args and convert to Map
	For example
	"scala hoge.scala -f fuga.txt --help -v"

takezoux2 / SimpleHttpServer

Created November 22, 2011 10:55

Simple server which prints received headers

	import cgi
	import BaseHTTPServer,CGIHTTPServer

	class MyHandler(CGIHTTPServer.CGIHTTPRequestHandler):

	def printPath(self):
	print "Path:",self.path

	def printHeaders(self):
	headers = self.headers

takezoux2 / repl_support.scala

Created November 16, 2011 03:53

Scala's REPL support script.You can use file easily.

	import scala.io.Source
	import java.io.{FileInputStream,FileOutputStream,InputStream,OutputStream,File}
	import scala.xml.{XML,Elem}

	// usage
	// val fileAsText = "clannad.txt" loadText
	// "air.txt" << "This text is written to file air.txt"
	//

	class FileObject( filePath : String) {

Yoshiteru Takeshita takezoux2