WebObjects Programming Topics

· See Understanding the Default WebObjects Error Page

· See Customizing the Default Error Behavior

· Detecting Freed Object Exceptions

· Detecting Memory Leaks

· Batch Faulting to Improve Performance

· Prefetching

· Mixing Languages in an Application

· Handling International Character Sets with EOF

· Implementing a Login Panel

· Generating a Static Site

· Providing for File Uploads

· Sending E-mail from a WebObjects Application

· Displaying Images Stored in a Database

· Dealing with Browser Backtracking

· Extending Dynamic Elements

· Working with Unnormalized Tables

· Batch Faulting to Improve Performance

· Fetching Distinct Results

· Fetching with an Editing Context

· Creating Sort Orderings

· Prefetching

· Refreshing Data by Refetching from the Database or Invalidating an Object

· Assigning Default Values to Enterprise Objects

· Creating a New Enterprise Object

· Generating Primary Key Values

· Inserting with the Adaptor Layer

· Deleting with the Adaptor Level

· Propagating Deletions Across Relationships

· Updating with the Adaptor Level

· Detecting Changed Attributes

· Choosing an Approach for Locking

· Locking on a Column

· Optimistic Locking

· Pessimistic Locking

· Pessimistic Locking in Oracle

· Pessimistic Locking in Sybase

· When to Choose the Adaptor Level to Improve Performance

· Deleting with the Adaptor Level

· Inserting with the Adaptor Layer

· Executing Arbitrary SQL Statements

· Updating with the Adaptor Level

· Accessing Non-Class Property Values

· Refreshing Data by Refetching from the Database or Invalidating an Object

· Invalidating Objects

· When to Revert or Undo in an Editing Context

· Setting the Delegates of Database Contexts and Adaptor Contexts

· Using Nested Editing Contexts

· Integrating Oracle Context