Your friend for GRE words and Vocabulary. Find here



Guide to install Java and latest Eclipse on Ubuntu 14.04

By |May 15th, 2015|

Google Guava Avoiding Null

By |May 10th, 2015|

Simple Hive UDF example

By |January 3rd, 2014|

Today I explored how to write your own custom UDF  in HIVE. There are two ways to create your UDF, one is  simple and the other is complex. The simple one allows you to create UDF with primitive Hadoop datatypes such as  Text, IntWritable, LongWritable, DoubleWritable, etc. extending UDF class.  For richer data types Map, List, Set you need to use the complex one extending GenericUDF class.


Testing with Mockito – JUnit and Mockito Example

By |November 28th, 2013|

JUnit and Mockito cooperation

By |November 27th, 2013|