Syntax highlighted XML schema for JSF 2.0 Application Configuration Resource File ( faces-config.xml ). Almost 3000 lines! <?xml version="1.0" encoding="UTF-8"?> <xsd:sch...

This XML signature validator comes from the Apache XML Security project. It validates the signature according to the core validation processing rules . It does not verify that the key used to generate the signature is a trusted key. You can override the KeySelector class to make sure that the signing key is from a trusted store. import javax.xml.crypto.*; import javax.xml.cry...

SQL> desc user_role_privs; Name ... Further reference: Oracle Database Security Guide (11g Release 2)

This program demonstrates the use of the java.nio package to implement a single thread echo server. import java.io.IOException; import java.net.Ine...

The COALESCE function returns the first non-null expression in the expression list. It returns null when all expressions evaluate to null . This example is from Oracle documentation : SELECT product_id, list_price, min_price, COALESCE... Result: PRODUCT_ID LIST_PRICE MIN_PRICE Sale ...

The Oracle NVL function lets you use an alternative value when a null is encountered. -- list name with email or 'N/A' if not availa...