500 Lines or Less

This is the source for the book 500 Lines or Less, the fourth in the Architecture of Open Source Applications series. As with other books in the series, all written material will be covered by the Creative Commons - Attribution license, and all code by the MIT License: please see the license description for details. In addition, all royalties from paid-for versions will all go to Amnesty International.

Mission

Every architect studies family homes, apartments, schools, and other common types of buildings during her training. Equally, every programmer ought to know how a compiler turns text into instructions, how a spreadsheet updates cells, and how a browser decides what to put where when it renders a page. This book's goal is to give readers that broad-ranging overview, and while doing so, to help them understand how software designers think.

Contributions should not focus on the details of one algorithm or on the features of a particular language. Instead, they should discuss the decisions and tradeoffs software architects make when crafting an application:

Why divide the application into these particular modules with these particular interfaces?
Why use inheritance here and composition there?
Why multi-thread this but not that?
When should the application allow for or rely on plugins, and how should they be configured and loaded?

Contribution Guidelines

Writing for a book like this should be fun, so we're trying to keep process to minimum. Here is our basic set of procedural guidelines:

When you start coding, try to submit one pull request early (e.g. somewhere between 50-100 lines), so that we can catch any early problems that we never thought about.
After that first commit, feel free to submit pull requests as often or as infrequently as you like.
When you are done your "first draft" of your code, do let us know in the commit message, or by emailing us directly (emails below). We'll assign a reviewer or two to your work at that time.

Contributors

Name	Affiliation	Project	GitHub	Twitter	Email (if you choose)
Mike DiBernardo	freelance	editorial	@MichaelDiBernardo		mikedebo@gmail.com
Dustin Mitchell	Mozilla	cluster	@djmitche		dustin@mozila.com
Audrey Tang	g0v.tw, Socialtext, Apple	spreadsheet	@audreyt	@audreyt	audreyt@audreyt.org
Greg Wilson	Mozilla	web-server	@gvwilson	@gvwilson	gvwilson@third-bit.com
Kresten Krab Thorup	Trifork	torrent client	@krestenkrab	@drkrab	krab@trifork.com
Taavi Burns	Points.com	data-store	@taavi	@jaaaarel	taavi.burns@points.com
Guido van Rossum	Dropbox	crawler	@gvanrossum	@gvanrossum	guido@python.org

License

emtwo/500lines

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