Tutorial Visualworks Core Libraries Announcements

Summary

A look at how to read Zip files from Smalltalk. A look at how you can use WriteBarriers to track object changes. A look at using "TGZ Archives" files from Smalltalk. A look at how to format objects when rendering them as strings - using the PrintPolicy class. A look at the Timer and Duration code that's in ... can do that you can go ahead and use the stuff in A look at using stdin and stdout from Smalltalk. A look at String Parameter Substitution - how to do printf() type things in A look at hooking up a domain model to a user interface. A look at handling objects that have changed shape since you saved them via BOSS - i.e., more or fewer instance variables in the ... A basic introduction to file handling in Smalltalk, looking at class Filename, and at basic Stream protocol. Here's the code I used in ... A look at using MD5, something you need quite often in working with HTTP APIs. A look at the Web Support package, and how it makes programmatic usage of web resources (such as forms) simpler. A look at how to customize an object's string display, both for a UI and for an inspector.