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Browsing "java"

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Scala: The difference between val and var

This is a short Scala post to explain what the difference is between val and var. I was showing some Scala code to a co-worker this past week and he was asking what the difference was between val and var. It is quite simple:

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Installing Scala 2.10 on Eclipse Juno

Scala 2.10 was released yesterday and I decided to take a look at it. But first what is Scala anyway? From the Scala site:

Scala is a general purpose programming language designed to express common programming patterns in a concise, elegant, and typ…

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Java Training Day 5

Last day of the training and I am glad it is over…this stuff is draining

Here is what was covered today

Network Programming
Low Level TCP/IP Protocols
IPv4 and IPv6
UDP Multicast
TCP/IP

Message Based protocols
HTTP
Connections framework…

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Java Training Day 4

Java Day 4

The Collections Framework
Legacy Container Classes
A container is an object that holds a collection of other objects
An array is a simple container. Arrays have a couple of limitations
. The size is fixed
. All the members of the arra…

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Java Training Day 1

Today is day one of the Java class I am taking this week. I am just dumping some of the stuff that I am hearing about, some of the stuff I might already know.
Java is a general purpose language, it is interperted, output is by…

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Back to Java after an eleven year hiatus, what are some good resources you recommend?

This week eleven coworkers and myself will be in Java training for most of the time, I haven’t touched Java since 2001. I did a bunch of research over the 4 day weekend to get a little head start.

I installed Netbeans and Eclipse to see how they are…

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4

My First Android Application (Ubuntu Linux)

This post details my first adventure into developing for the Android platform and the steps taken to get the HelloWorld application to run.

Download the Linux SDK from: http://developer.android.com/sdk/index.html
Extract the archive and take note of…

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Integrating jNEAT into a Custom Simulation

jNEAT is a Java implementation of the NEAT method. NEAT is a technique for evolving neural networks, which uses genetic algorithms to learn network structures aswell as weights. For more information there are several papers at the links above.

Buildi…

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Calling Web Services from JSP

This blog will demonstrate the steps to generate a Web Service Client and test JSP files in Eclipse. Finally, it will show a basic JSP example which uses the generated client to call a remote Web Service.

Setup Tomcat

Download and extract Tomcat 6…

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Accurately Simulating Movement of a Tracked Vehicle in 2D Space

As part of a simulation I’ve been developing I recently had to decide how to model movement of vehicles within a 2D space. To keep things simple I settled on a tracked vehicle. Each time the simulation updates I calculate how much the vehicle rotates an…

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