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pvorb /
Last active Apr 6, 2019 — forked from spilth/
Java Developer To Do List

This is a collection of tasks/exercises/experience I want to have accomplished as a Java Developer. I'm leaving the tasks undone so that others can easily copy this list and track their own progress.

If you have suggested additions, please leave a comment below.

  • Create a Maven project using the command-line
  • Test Driven Development using a testing framework
    • JUnit
    • Hamcrest Matchers
  • Behavior Drive Development using a framework
    • Cucumber

Keybase proof

I hereby claim:

  • I am pvorb on github.
  • I am pvorb ( on keybase.
  • I have a public key ASDlq4Z2Ge0jZ0quHrwTgRDbA9UuIl2JKishISUZYaCQAwo

To claim this, I am signing this object:

pvorb /
Created Jan 28, 2014
Rust Bikeshed tailcall

This page is for collecting ideas around axing or implementing tail calls in rust. The current status of this issue is undecided after a longer discussion on the list in jul/aug 2001. (There currently is no consensus on the matter nor is this page a complete summary of that thread, I am just writing down a few own thoughts right now but the page may very well become that -- boggle)


  • Pro: Obvious uses in functional programming (But: Replacable with iterators/blocks in many cases)
  • Pro: People expect that in a language that says to support functional programming with immutability as a default (But: Well
    that really just is a sales argument and should not steer design)
  • Pro: Simple, forwarding functions don't pay the cost of an extra stack frame
    • this is currently used in core::float to pass calls on to core::f32 and core::f64 depending on the target
      architecture (even though "be" is not really implemented)
pvorb / ant-test.log
Created Jan 16, 2014
Testing Tess4J
View ant-test.log
Buildfile: C:\Dev\Info2\Masterarbeit\Tess4J\build.xml
pvorb / RandomCopy.scala
Created Oct 31, 2013
Copies all MP3-files in a directory to another directory in a random order.
View RandomCopy.scala
import java.nio.file.{ Files, StandardCopyOption }
import java.util.{ Collections, Random }
import scala.collection.JavaConversions
object RandomCopy extends App {
val src = new File("""E:\Backup\Auto""")
val dest = new File("""F:\""")
pvorb /
Last active Dec 19, 2015
Draft for a perfect Compile-to-JavaScript language

Ideas for a Compile-to-JavaScript language

  • val for constant values (maybe const?)
View Akka Questions
Hello Akka community,
I am currently writting my bachelor thesis "Comparison of Concurrency Frameworks for the JVM"
at the university of ulm in Germany. Since one qualitative property of an framework is also its
community and support I decided to check that by myself by asking this questions. This Gist repo
is thought to gather your ideas and oppinions about Akka relating to the questions below in oder
to improve my comparison. Feel free to answer as controversial as you want :). Just add the points
you miss. Thank you very much.
1. Why do you prefer Akka over other frameworks such as Gpars?
pvorb /
Created Apr 9, 2013
Accessible object literals in Java
public class Global {
public static Undefined undefined = Undefined.getInstance();
pvorb /
Last active Dec 16, 2015
Equivalent to object literals in Java
public class ObjLiteralsTest {
public void main(String[] args) {
Object user = new Object() {
int id = 1;
String name = "pvorb";
// and cannot be accessed,
// making the whole construct useless though
You can’t perform that action at this time.