Today we are covering what the "com.sun.faces.sendPoweredByHeader" context-param does.
The "com.sun.faces.validateXml" context-param makes it possible for you to have the Mojarra JSF runtime verify your configuration files against the faces-config.xml schema. If an error is found you will immediately be made aware as deployment will fail until you fix the problem.
By convention in Faces Flows the page that is the start node has the same name as the flow, but is it possible to change that? It sure is, read on!
What is Java?
Java is an high-level programming language created by James Gosling from Sun Microsystems on 1991, released on 1995. Nowadays, Oracle Corporation has the steermanship for Java. Its license is GNU General Public License (GPL).
- Deliver valuable features, faster!
- Reduce wasted efforts due to misunderstood requirements!
- Engage stakeholders more effectively to discover not just what they ask, but what will really help them!
The columnar storage is good, especially when there are lots of tabular fields (this is quite common). In querying, the data to traverse is far less than that on the row storage. Less data to traverse brings less I/O workloads and higher query speed. However, the Hadoop application consumes most time on the hard disk I/O without columnar storage.