Category Archives: java

A Last Minute Lightning Talk

As I had stated in one of my previous posts,  I’ve been wanting to one day to a tech talk, but needed to work up to do something like that.  And then out of nowhere, I found myself being asked to … Continue reading

Posted in career, hadoop, java, Learning to Code, public speaking | Tagged , , , , , | Leave a comment

Talking the Talk

Not too long ago, I was on the train talking with one of my coworkers, Jayesh, and I saw him working on something. So, I asked him about it. He told me he submitted three different proposals for talks at … Continue reading

Posted in career, coding, general, java | Tagged , , , | 1 Comment

Writing an ORC File Using Java

So, I saw this question sometime ago on Stack Overflow and I’ve been meaning to answer this for sometime.  The question: How to convert .txt / .csv file to ORC format. Below is a code sample of how to do it … Continue reading

Posted in code example, coding, github, hadoop, java, programming | Tagged , , , | 10 Comments

Embedded List of Records Using Avro Generic Record

I’m posting this here, because I know someone out there will be Googling how to do this like I was. I didn’t find much and ended up spending a lot of time reading through the Avro API and using my … Continue reading

Posted in code example, coding, java | Tagged , , | Leave a comment

Technologies I’ve worked with in 2013

These are the big things I can think of. Hadoop Ecosystem Hadoop HBase Writing Map/Reduce jobs in Pig Writing Map/Reduce jobs in Java Writing Map/Reduce jobs in Python using Hadoop Streaming Apache Flume Writing a custom Flume Sink Apache Avro More … Continue reading

Posted in career, coding, java, programming | Tagged , , | Leave a comment

Java: Converting a List to an Array

For some reason, I always keep forgetting how to do this, without using a for-loop. import java.util.ArrayList;  import java.util.List; public class ConvertListToArray { public static void main(String[] args) { ArrayList list = new ArrayList(); list.add(“test1”); list.add(“test2”); list.add(“test3”); String[] arrayOfStrings = … Continue reading

Posted in code example, java | Leave a comment

Ruby On Rails

At work, I mostly work on java related projects, but occasionally I get thrown some ruby on rails work.  I’ve always seen myself as a java coder with some ruby experience. Just recently, Dave Hover, author of my favorite book … Continue reading

Posted in java, ruby | Tagged | 1 Comment