Java - Blog 42

Blog 42

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A collection of 3 posts

SQLiteException: no such table - in Android

SQLiteException: no such table - in Android

I was just struggling for a while trying to help with an Android app. I have almost no specific Android experience, but as the app is pretty basic, I thought - can't be that hard. The beginning seemed pretty easy and straight forward, until we stumbled upon this

Implementing a simple hop-count algorithm in Apache Giraph

Implementing a simple hop-count algorithm in Apache Giraph

Hi, this is my second post after First steps with Apache-Giraph on Apache Giraph. I'll be writing a little bit about how you can use complex types in messages and in the vertex-state. To learn this I wrote a simple hop-count algorithm, you can find the full source

First steps with Apache-Giraph

First steps with Apache-Giraph

I used Apache Giraph during a project for my studies. There is a great official Quick Start-Tutorial on how to set up Giraph on top of Apache Hadoop 0.20.203.0-RC1 and run your first example application. When you follow it, you will have a running environment where you