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Futures in Akka with Scala

Akka is actor based, event-driven framework for building highly concurrent, reliable applications. Shouldn’t come a surprise that concept of a future is ubiquitous in a system ...
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Finding Properties in JARs with Groovy

In previous blog posts I have looked at Searching JAR Files with Groovy to find entries (such as .class files) contained in the JAR and Viewing a JAR’s Manifest File with Groovy. ...
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Using Twitter4j with Scala to perform user actions

Introduction My previous post showed how to use Twitter4j in Scala to access Twitter streams. This post shows how to control a Twitter user’s actions using Twitter4j. The primary ...
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Complex Numbers in Scala

Overview I recently delivered an introductory talk about Scala at an internal geek’s event at SAP. In this talk, I used an example complex numbers class to illustrate important ...
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Using twitter4j with Scala to access streaming tweets

Introduction My previous post provided a walk-through for using the Twitter streaming API from the command line, but tweets can be more flexibly obtained and processed using an API ...
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Groovy and HTTP

This article originally appeared in the December 2012 issue of GroovyMag. Some different ways that Groovy makes interacting with the web easier One of the major benefits of Groovy is ...
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Scala pattern matching: A Case for new thinking?

The 16th President of the United States. Abraham Lincoln once said: ‘As our case is new we must think and act anew’. In software engineering things probably aren’t ...
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Dry parameter names

How often do you see code like this, especially when using dependency injection, single-responsibility principle, and other “good practices”?                   class ...
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Scala: Collections 1

This post contains some info on Scala’s collections. Problem? We want a function that will take an List of Rugby players as input and return those players names that play for ...
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Structural (or) Type Safe Duck Typing in Scala

Structural typing as defined by Wikipedia “A structural type system (or property-based type system) is a major classof type system, in which type compatibility and equivalence are ...
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