A Morsel Of Code

One byte at a time

Apache POI: How to read and write Excel files in Java

About a year or two ago I was working with finance team where they wanted to pull the credit card transactions for all the customer using various combinations. Ex – - Get the credit card txns for today or certain date. – Get the txns for customer who used Mastercard or Visa. However they wanted this application to generate a…

13 Most Common Java Keytool Keystore Commands

I was working on a project last month where I had to call a third-party web service. The third-party web service wanted me to add a SSL keystore and I struggled. I could have gone to my UNIX Admin and asked him to do this job but decided to learn about all about keystores. I went through couple of forums…

10 IntelliJ IDEA Keyboard Shortcuts That You Must Know

Linux nerds/geeks happily flaunt their keyboard skills when they get a chance. I admit that I am not a shortcut junky but I too have some keyboard shortcuts under my sleeve that I use in day to day work. I have to say that not only have these shortcuts increased my productivity but they have also made my life a…

Apache Camel : How to call java webservice

I have made up my mind to get rid of WSO2 ESB at my office. It is clumsy, buggy, hard to test, no body wants to work on it and the documentation is horrible. I looked at various alternative and Apache Camel was free and easy to set up and work with me. To cut the story short, I was…

Launch Website in Amazon EC2

I wrote this blog about a year ago and left it in the draft because this post somehow was not getting auto saved on WordPress and since its long post it took time for me type, take screenshots and paste. I did not have energy and time to do it all over again. I had a copy of it though…

How to configure JNDI with Spring and Jboss4/5

This is a simple process but if you try and search on the web you will come across various incomplete solutions which will leave you more confused than you already were. This configuration involves just four simple steps that I will walk through to help you set up JNDI on Jboss. I am using Jboss 4.3, but this should be…

Rails: Jquery is not loading

It’s been a while I have posted anything. I have been extremly busy and have been working on an extremely critical project where we were asked to become PCI 2.0 compliant. I worked on some interesting problems however today I will be discussing on something trivial and discuss my frustration about Rails. I have to admit that a number of…

How to post parameters to a url using Ajax/Javascript between two website

I am working a new project and I recently ran into an interesting problem. One of the web site that I keep up at work was supposed to take the user to another website which required me to add post parameters. EX – www.mywebsite.makeapayment.com ==> Collects Billing information ex – name, amount, address etc.==> Post this information to www.vendor-website.com. I did…

Using multiple profiles in Maven + Eclipse

It’s possible that many of you already knew this but if not then here’ some basic info on Maven profiles. I have been using maven for over 2 and half years now, and have been copy pasting assembly and install files. I never bothered to know how Maven figures out how to read assembly and install file names. For example-…

How to send email in PhoneGap (Android) using a gmail account

For the last one month, I have been working on an android app for a grocery store. I have been using PhoneGap to develop the solution as the client wanted both Android and Iphone version. I have tried building the app in native Android but going through the hassle of designing css was just too much for me and plus…