How to determine jdk version used to compile java class
When you want to see with which jdk version a java class has been compiled you can run the following…
How to get the HttpRequest inside a web service
Many times it is useful to access the httpRequest object inside web service code. To manage this you have to…
Expose java classes as web services in liferay using JAXWS
Below we will provide a short tutorial about how to expose some services that you have developed in Liferay as…
Useful Linux Commands for beginners
Remove directory without prompting rm -Rf file rm -r - for directory Change permissions chown -R user file/folder chgrp -R…
How to add timestamp to the bash history in linux
When you want to see the history of commands run in your linux machine you can do this: HISTTIMEFORMAT="%c #…
Using PSI-Probe (aka Ψ) for monitoring tomcat applications
This project is a community driven fork of Lambda Probe. You just download it from http://code.google.com/p/psi-probe/ and deploy it to Tomcat. In…
Using VisualVM to profile your application
Download from VisualVM website the application installer and extract it to a local folder Run VisualVM.exe to start the application…
Common practices in application development
Tips for application design Watch the users to see how they do something that you want to model in your…