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Twitter adds filters 13 Dec 2012 | 04:15 am
Twitter’s addition of Hipstamatic and Instagram-style photo filters is a welcome addition — Everybody’s Twitter feed just got a little bit prettier and a little bit more interesting. Yet strangely, so...
Responsible Technology Journalism 8 Jul 2010 | 07:23 pm
The biggest weakness of the tech journalism audience, a mental cancer, is lacking enthusiasm for new technology and bold ventures… You wonder why people even read Techcrunch when they write comments ...
2010 Modularity Olympics 16 Feb 2010 | 07:59 pm
This is a contest, open to programming languages from all nations, to write modular and extensible code to solve the following problem: Implement a service that can run queries on a database. The Cha...
The Anatomy of a Whale 10 Feb 2010 | 07:47 pm
Over on the Twitter Engineering Blog, Ed Ceaser and I posted an article about how we debugged a production incident on Twitter.com. It talks about what causes what has become known as “The Fail Whale”...
Why I love everything you hate about Java 9 Feb 2010 | 12:56 pm
If you’re one of those hipster programmers who loves Clojure, Ruby, Scala, Erlang, or whatever, you probably deeply loathe Java and all of its giant configuration files and bloated APIs of AbstractFac...
Why Arel? 29 Jan 2010 | 12:35 pm
The upcoming version 3 of Ruby on Rails will feature a sexy new querying API from ActiveRecord. Here is an example: User.order('users.id DESC').limit(20).includes(:items) You can see that all querie...
The Meaning of Information Technology 2 Nov 2009 | 03:00 pm
The first commercial computer was the Lyons Electronic Office I and was used in 1951 to perform vast calculations pertaining to the fabrication and consumption of biscuits. You see, after the war, J. ...
Introducing Cache Money 11 Dec 2008 | 07:25 pm
Pre-requisite: please read my article on Write-through caching to understand why this is useful. Most caching solutions in the Rails world involve something like Cache-Fu: an alternative API to Activ...
Write-Through Cacheing is an Essential Part of a Healthy Scaling Strategy 24 Nov 2008 | 08:05 pm
The debate around “Does Rails scale?” I’ll leave to the armchair architects. But one thing I know is that having one 100% Beef Database doesn’t scale. With replication you can scale your database. Wi...
Initial Post 30 Oct 2008 | 04:26 pm
I’ve decided to begin blogging again because I am working through a set of engineering problems that I need to think through as much as engineer through. Since I’ve left Pivotal and joined Twitter, I...
