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Archival Posts

These are posts from previous incarnations of my blog. They catalog old writing, (abandoned) projects, and else-wise content I have written in the past that others have found engaging or useful. You'll notice the sidebars reflect the content of the archival posts rather than my current blog; for current posts click on the logo above.

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Phabstractic: Observer/Publisher Design Pattern

Observers and Publisher design patterns are very important in that they enable a certain amount of reactive programming. When you only want something to execute or occur when a particular event occurs it makes more sense to just test for state change then to hard code in an if clause for every step.

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