TurnKey Linux Virtual Appliance Library

Using Comet to update web application data in real time?

Recently I've been looking into a powerful but complex web application technology we're considering using in future versions of the Hub.

The problem: how do we update a browser view when a background process updates the database?

A few examples of places in the Hub where this comes up...

Python iterators considered harmful

I just tracked down a nasty bug in my code to a gotcha with Python iterators.

Consider the following code...

How to write a good changelog

In a nutshell, think of your users.

They read top to bottom. They have a very limited attention span. Even if they read all the way through, they're probably going to pay more attention to things that come early. Before patience runs thin.

So your goal is not only to describe changes but to figure out now to communicate as much value to users before they lose interest. If you do a really good job, you might actually prevent them from losing interest and they'll read all the way through. Don't bet on it though...