Monday, January 30, 2017

What is NaN ?

This is something new thing to me , NaN, standing for not a number in computing world. I know that 'divide by zero' is common scenario where most of the languages throws exceptions.

It is always hard to deal with 'infinity' in computer world. Just go through wiki what is NaN generation scenarios.

https://en.wikipedia.org/wiki/NaN

Tuesday, December 13, 2016

Apache spark project in Eclipse with Maven

If you are really looking to develop some spark projects, the easiest and best option would be eclipse with Maven which gives all framework tools to do the development easier.There are some tutorial videos in youtube which explain how to install and start with it.

I just started with the 'wordcount' program, once I configured the eclipse&scala IDE in Ubuntu.

My screenshots:






Spark Eclipse Maven Live video record:






Youtube tutorials:



Sunday, December 11, 2016

spark streaming

Spark Streaming from local Network and Counting the words in near to real time. This is awesome!!.



Next I like to find some trending news/feeds using apache spark streaming.