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Where Does My Money Go? Spending Explorer using Protovis and jQuery

By Rufus Pollock On October 27, 2010 · 1 Comment

Over the last couple of months I’ve been playing around with Protovis in my spare time to create an interactive pure javascript Government Spending Explorer for Where Does My Money Go? (datastore api):

Explorer: http://rufuspollock.org/wdmmg/explorer.html Source: http://bitbucket.org/okfn/wdmmg-js/src/tip/src/explorer.html

Warning: won’t work in IE (atm due to lack of svg support) [...]

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Versioning / Revisioning for Data, Databases and Domain Models: Copy-on-Write and Diffs

By Rufus Pollock On September 10, 2010 · 1 Comment

There are several ways to implement revisioning (versioning) of domain model and Databases and data generally):

Copy on write – so one has a ‘full’ copy of the model/DB at each version. Diffs: store diffs between versions (plus, usually, a full version of the model at a given point in time e.g. store HEAD)

In [...]

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Using Deliverance as Middleware (with Proxying)

By Rufus Pollock On December 21, 2009 · Leave a Comment

Deliverance is a great library that lets you easily re-theme external websites on the fly. Designed as WSGI middleware, it can be easily combined with some proxying to integrate a bunch of websites together

You can use deliverance plus proxying out-of-the-box using the deliverance-proxy command. However, I was interested in using Deliverance as middleware [...]

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Reverse Proxying to WordPress.com

By Rufus Pollock On October 2, 2009 · Leave a Comment

I wanted to do a reverse proxy to wordpress.com in order to integrate an existing wordpress.com blog into an existing site. This turned out to be a little trickier than I’d thought due to wordpress.com’s usage of gzip deflation of their output.

Figured this out thanks to sound advice here and here:

… [...]
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Flexible Dates in Python (including BC)

By Rufus Pollock On June 18, 2009 · Leave a Comment

I’ve had occasion recently to frequently work with “dates” that come in a lot of shapes and sizes including:

Dates in distant past and future including BC/BCE dates Dates in a wild variety of formats: Jan 1890, January 1890, 1st Dec 1890, Spring 1890 etc Dates of varying precision: e.g. 1890, 1890-01 (i.e. [...]
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