The Art of Changing | Confessions of a Pragmatic Intellectual's Mind on The Constant in Life, Change!
Java Authentication and Authorization Service, or JAAS, pronounced “Jazz” Configuration files for JAAS *.login.conf (e.g. form login) *.policy (which identity grant which permission) LoginModule (interface) LoginContext (Class) Kick off authentication process by creating a subject (if no subject passed to it will create a new one) Subject e.g. user, resource, system, … Principal Face of…
If you are trying to compare two strings in a stored procedure or trigger or … you need to note that you have to specify the length of the strings before comparison, if you don’t do that, you won’t get the expected result out of your query. Also remember, it is one equal sign not…
There are two different interfaces available when you are writing an EJB. One is remote and one is Local. Remote, as it name suggests is for remote client that want to remotely call (or fire) functions and get some results. On the other hand Local is designed to be used in a local environment, for…
@Entity@Table(name = “Facility”)public class FacilityEntity implements Serializable{ private static final long serialVersionUID = -5193920209461702399L; @Id @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = “SEQ_FACILITY_ID”) @SequenceGenerator(name = “SEQ_FACILITY_ID”, sequenceName=”SEQ_FACILITY_ID”) @Column(name=”facilityid”) private Long facilityId;.. } It took me some time to figure this out, you have to have sequenceName in your SequenceGenrator annotation. It might work without it, and might…
People (developers) pricierComputers CheaperWhy not use more computers than people? Hudson in many companies used (not in Google?) community release every week detects changesbuilds record resultssend notifications cron – before hudson (+some customization using perl)can send emails only not anymore hudson – aggregate results, from different platform, different JVMs and so on (great feature) hudson…
Have you ever wondered where that value came from in a Java program? One place to look for is the VM arguments. They are set in the system and not when you are writing your code. A code like this will give you some good understanding of VM arguments. import java.lang.management.ManagementFactory; import java.lang.management.RuntimeMXBean; RuntimeMXBean RuntimemxBean…
Both are the same, but the later one calling the method you need to create String [] first and then call while the first one you can call it without creating String []. More @ stackoverflow
I attended and successfully completed “Advanced JBoss Enterprise Development” course offered by Red Hat in April 2011. Advanced JBoss Enterprise Development – Certificate Red Hat JBoss Enterprise Application Development II(JB325) – Course The topics covered in this course were as follows: Introduction to JBoss JBoss Architecture Overview JMX Jaba Management Extensions AOP & JBoss Connectors…
If you ever wanted to write a file using Java, you can find different ways to do it. Some of them are as follow: import java.io.*; class FileWrite { public static void main(String args[]) { try{ // Create file FileWriter fstream = new FileWriter(“out.txt”); BufferedWriter out = new BufferedWriter(fstream); out.write(“Hello Java”); //Close the output stream…
Just find the oc4j.cmd in the bin directory and use the following command to set your ORACLE_HOME set ORACLE_HOME=C:FilesDevelopExternaloc4j_extended_101340 add this line the to the first line of oc4j.cmd. Using this option, you don’t need to set ORACLE_HOME in your environment variables any more.