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Raphael Parree rparree

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rparree / JPAUtil.java
Created September 13, 2017 19:47
package demo.util;
import javassist.util.proxy.MethodFilter;
import javassist.util.proxy.MethodHandler;
import javassist.util.proxy.ProxyFactory;
import javassist.util.proxy.ProxyObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.persistence.EntityManager;
@rparree
rparree / servers.xml
Created April 25, 2017 08:29
<!-- host2 -->
<servers>
<server name="server-one" group="Group1">
<socket-bindings port-offset="100"/>
</server>
<server name="server-two" group="Group2">
<socket-bindings port-offset="200"/>
@rparree
rparree / option.sc
Created January 27, 2017 14:46
import scala.util.Random
val random = new Random()
def fiftyFifty[T](a: T): Option[T] = if (Random.nextBoolean) Some(a) else None
def sendTweet(h: String) = println(s"sending tweet to $h")
def sendMail(e: String) = println(s"sending email to $e")
object demo1 {
case class PersonalInfo(email: String)
@rparree
rparree / futures.scala
Created January 27, 2017 14:45
package demo
/**
* todo
*/
object FutureDemoApp extends App {
import scala.concurrent.Future
import scala.concurrent.ExecutionContext.Implicits.global
object supporting {
@rparree
rparree / either.scala
Created January 27, 2017 14:44
import scala.util.{Left, Right}
case class Name(value: String) extends AnyVal {
def +(s: Name) = Name(this.value + s)
override def toString: String = value
}
implicit def strToName(s: String) = Name(s)
@rparree
rparree / student.scala
Created January 27, 2017 13:56
case class PersonalInfo(email: String, twitter: Option[String])
case class Student(username: String, personalInfo: Option[PersonalInfo])
@rparree
rparree / MyStringBuilder.scala
Created January 26, 2017 09:28
Stackable Trait (start)
abstract class MyStringBuilder {
def get(): String
def append(s: String)
}
class BasicStringBuilder extends MyStringBuilder {
private var value : String = ""
def get(): String = value
def append(s: String) = value = value + s
}
@rparree
rparree / scala-bnf.html
Last active January 13, 2017 06:49
Clickable Scala syntax BNF
<!--
Source: https://www.scala-lang.org/files/archive/spec/2.13/13-syntax-summary.html
Just some nifty regex search/replace
-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
@rparree
rparree / sample.java
Created July 25, 2016 12:53
char[] buffer = new char[1024];
String chunk = null;
while ((read = reader.read(buffer)) != -1) {
String s = String.valueOf(buffer, 0, read);
/* process the string: Look for "-", keep the part after it
for the next iteration. Add part before it to previous
chunk
*/
}
@rparree
rparree / 38481160#38481160.java
Last active July 20, 2016 12:32
For SO answer http://stackoverflow.com/questions/38480228/xpath-getting-multiple-node-values-xml-parser-using-java/38481160#38481160
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.*;
import java.io.IOException;