Blog - Chris Roos

Time Lapse Of The Thames And Canary Wharf

A little time-lapse video of the Thames and Canary Wharf

Investigation into CORS And XMLHttpRequest

The behaviour of XMLHttpRequest.withCredentials when used with CORS

Bookmark printing service for the Go Free Range Printer platform

An introduction to the simple Bookmark printing service for the Go Free Range Printer platform.

Getting Started With Asterisk And Adhearsion On A Mac

Simple guide to getting started with Asterisk and Adhearsion on a Mac

Transcript Of You And Yours From The 6th Jan 2011

A transcript of the National Rail Enquiries segment from You and Yours broadcast on the 6th Jan 2011.

Day notes - Thurs 14th Oct 2010

More JMeter goodness

Day notes - Mon 18th Oct 2010

Mac OS X Keychain, AWS hosting, meeting and story acceptance

Day notes - Weds 13th Oct 2010

Meeting, retrospective and JMeter

Day notes - Tues 12th Oct 2010

More performance testing fun and some exercise

Day notes - Fri 8th Oct 2010

Played around with this site and my southeastern daily performance report project.

Day notes - Thurs 7th Oct 2010

I played with google calendar backups and tsung.

Libxml2 Problems When Installing Nokogiri

My solution to the problem of Nokogiri checking for a universal (ppc, i386) version of libxml2 and failing to install.

Converting Egg Statements and Transactions to Ofx

I've refreshed the little utility that converts egg html statements to ofx.

A Letter to Adrian Gillan at Euroferries

An email to Adrian Gillan at Euroferries, in response to his request that Adem remove one of his posts.

Things I Learnt at Interesting 2009

Things I learnt from the talks at Interesting 2009

Pouring Factlets Into Your Brain Holder via Your Ear Sieves

An idea for a dynamic audio guidebook on your gps enabled mobile device.

Creating a Greasemonkey Script That Applies to the Firefox 'Problem Loading Page' Error Page

Some notes about applying a greasemonkey script to the Firefox 'Problem Loading Page' error page.

Down for Everyone or Just Me Greasemonkey Script

A greasemonkey script that inserts a link to downforeveryoneorjustme.com into the firefox page not found error page

Apacherb Is Now Hostess

The utility for serving local directories as virtual hosts in a local apache installation has been gemificated and moved to github

Introducing Deliciolytics

Introducing a proof of concept service that lets you view an aggregated feed of all delicious bookmarks for your domain.

A Greasemonkey Script that inserts a Google Site Search form into every page

A greasemonkey script that makes it really easy to use google to search within the current site. Press ctrl-9 to visit the search form.

Rails 2.3 and the ability to update created_at, created_on, updated_at and updated_on timestamps

There was a Rails 2.3 security note that suggested we could now set the AR timestamps. It turns out we've always been able to set the created_at/on timestamps and that updated_at/on are also now assignable.

Generating and Inserting a Rel=Canonical Link Into Pages With Firefox and Greasemonkey

A greasemonkey script that allows me to generate permalinks for various web pages and insert those permalinks into the page as links with rel=canonical.

CruiseControlrb With Passenger and Launchd on a Mac

Getting CruiseControl.rb running under Passenger (mod_rails) with the builders being started automatically via launchd (on a Mac).

Installing Passenger 2.1.2 on CentOS 5.2

I had to re-install apr-util-devel in order to get Passenger (mod_rails) 2.1.2 to install on CentOS 5.2.

Hack the Government Day (Rewired State)

An overview of what "team activeplaces" achieved at rewiredstate.

Posting Bookmarks to Delicious From My Android G1

By hooking together Email, a simple Ruby/Rack server and the delicious API I'm able to post bookmarks from my G1 to delicious

Gracefully Degrade the Google Custom Search Form So That It Works Without Javascript

I default to searching the google index of my site but enhance that functionality with the Google Custom Search when Javascript is available

Keyboard Shortcuts for the Link Widgets Firefox Extension

Shortcut keys for the Link Widgets firefox extension

Please Publish Full Content in Your RSS and Atom Feeds

I explain why I prefer feeds that contain full content over feeds that contain partial content.

Idea - Web Services Could Publish Stats About the Clients That Connect to Them

I wonder if it'd help us determine whether or not a library is still active/compatible.

Free Technical Books for Anyone That's Interested

I attempt to give away some books that I've been unable to sell on Amazon marketplace.

Test Data for Version 2 of the Amazon Web Services Signing Protocol

I'm hoping this data might be useful for someone else trying to develop code to sign requests to Amazon Web Services

Implementing Version 2 of the Amazon AWS HTTP Request Signature in Ruby

A fairly simple example of how to sign AWS requests, with Ruby, using version 2 of the signature spec.

Turning Off My National Rail Twitter Bot

I've turned the twitter bot off after being asked/told to do so by a chap at ATOC

Lloyds TSB Stole My Money (Kinda)

A little rant about Lloyds TSB

Backing Up Jobs in a Print Queue on Windows XP (and Printing .prn files)

I explain how I managed to print some documents that were stuck in the Windows XP print queue.

Idea - Firefox Extension to Clearly Indicate the Age of a Page

I find myself getting annoyed when reading webpages, blog posts in particular, that contain out of date information.

24 Hours of Ramsgate Outer Harbour

I stitched together webcam images from a 24 hour period to create a little video of Ramsgate harbour.

A Simple Utility to Generate and Preview Html on the Web

I found, what I believed to be, a strange problem with images that had explicit width and heights set. I created a little utility that allowed me to dig into the problem.