Silicon Valley Code Camp : October 6th and 7th, 2012

Bill Enright

Y Is Up
About Bill
Developer of lifta, a functional library for asynchronous work at the application level. 35+ years of experience in software development. Software engineering manager in the life sciences field. JavaScript and Node enthusiast in the wee hours. Strong interest in using functional approaches to building games and apps.
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Speaking Sessions

  • "Undo Power Fail" - How to implement unlimited persistent undo

    Not Available x   Room: 4305
    This talk explains the design approach we used to implement unlimited persistent undo. Our goal was to be able to undo power fail. The user should be able to undo back to the creation of a document, even if it was previously saved or copied, and redo back to the latest state. If the power failed, when the user ran the software again it should redo any changes made since the last save so the document is back in the latest state. The design we eventually came up with is deceptively simple. As a bonus, it helped us figure out how to design the model layer so it is very stable. The implementation and examples are in C# .NET but the design may be applicable to other languages and runtimes.

    Speakers:    Tom Becker  Bill Enright