Technology Blog

I recently created a project on my local machine using maven archetype.  See my previous post on how to generate a new project from install...

Riak supports several backends: 1. bitcask 2. memory 3. leveldb 4. multi My recent project required me to use memory backend.  I have ...

I use Eclipse JUNO every day.  However, I couldn't start it today after I restart my Mac.  Mac updated with Microsoft 2011 so I have to ...

1. find the total line number of a fold for some files: find test -iname *.java | xargs wc -l | tail -1 2. count # of files in each fold...

insert a visible ^A , we must use: <ctrl> + v + a .

Create tag from trunk or branch : svn copy http://svn.mydomain.com/repository/myproject/trunk \ http://svn.mydomain.com/reposit...

Amazon EMR doesn't have Sqoop installed.  It is possible to run Sqoop with Amazon EMR.  The following blog shows how to install and run ...