The recording of my recent React Europe talk about Replicated Redux is now online and I’ve written several other posts describing designing, testing and generalising the library if you would like to know more about the details. If you’d like to play the web version of pairs or see the rest of the code, it’s available on github here.

People often describe multi-user networked VR experiences as laggy, but code to hide latency by optimisticly predicting the effects of local actions is hard to write, difficult to test and often application specific. It feels great to have helped make this problem a little easier to solve for React developers by building Replicated Redux.


Free Tests For Everyone!

Thu 11 June 2015 by Jim Purbrick

Modern software development is sometimes colourfully described as being similar to firing tracer bullets at a target. Rather than spending time doing a lot of research, design and specification up front, the smallest, simplest version of the software is built and the feedback gathered from its use is used to ...

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Investing In Testing

Wed 10 June 2015 by Jim Purbrick

Droidcon London

Last year I was talking to an engineer at Droidcon London who was working on an Android app with 100% test coverage. I immediately asked whether he thought 100% test coverage was worthwhile: many software engineering teams strive to achieve 100% test coverage, but few succeed because it’s an ...

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buckd

Mon 18 August 2014 by Jim Purbrick

BuckGraffiti

One of the things I’ve been working on since joining Facebook is Buck, an open source Android & Java build tool which is significantly faster than many other Java build tools for a number of reasons.

As well as being fast, Buck gains a lot of power and flexibility by ...

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Following In My Father’s Footsteps

Mon 12 November 2012 by Jim Purbrick

Tintin Hair

From 2 years before I was born, until just before I started working on Second Life at Linden Lab, my Dad worked at an innovative technology company with a large consumer photography business: Kodak. From January next year I’ll be working at an innovative technology company with a large ...

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21st Century JavaScript

Sat 12 March 2011 by Jim Purbrick

The slides and video of my talk at AsyncJS on Thursday are now online. The video is pretty murky, but the sound has come out fine and you can see enough of the slides to be able to follow along at home. The talk focuses on ways to bring useful ...

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Spawning Django Blogs

Mon 18 October 2010 by Jim Purbrick

Since leaving Linden Lab I have been talking to a number of people about doing freelance consulting and development work while I get my start-up off the ground and last week got round to setting up a UK limited company so that people will actually be able to pay me ...

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FOSDEM X: The Movie

Sun 14 March 2010 by Jim Purbrick

A video of my FOSDEM talk about Mono in Second Life and our plans for the future of scripting is now online (the slides are also available here ):

Watching back, I was surprised to hear myself say “Hooray!”, “Shit” and “Crap” quite so often…

While you’re catching up on ...

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FOSDEM X

Wed 10 February 2010 by Jim Purbrick

Last weekend I went to the 10th Free and Open Source Developers European Meeting in Brussels. This year was the first time that FOSDEM had hosted a track on Mono, so I went along to find out what’s going on with Mono, tell the Mono folk what our plans ...

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@scalecamp

Mon 07 December 2009 by Jim Purbrick

On Friday I jumped on the train to London to attend the first scalecampuk, an unconference about scalability, at the Guardian offices.

The sessions were all very interesting and mostly very relevant. I learned new things about XSS and CSRF and Django’s defences against them from Simon Willison, new ...

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Bouncaline

Tue 03 November 2009 by Jim Purbrick

Last week I took some time off to spend with Luke and Natty during half term and we spent Wednesday having a lovely time finishing off a game we started a couple of months ago: Bouncaline.

Luke has been interested in making games for a while: he made a level ...

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New Widgets

Tue 25 November 2008 by Jim Purbrick

It’s that time of year again where people start asking what I’d like for Christmas and I start wondering what they’d like in return. It’s just the sort of problem that should be solved with social software. Over the last few years I’ve had an ...

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dConstructing dConstruct

Thu 18 September 2008 by Jim Purbrick

A couple of weeks ago the great and the good of web development descended on Brighton for the wonderful clearleft produced dconstruct conference and once again I’m glad I went along.

Steven Johnson kicked off with a talk about how Dr. John Snow’s innovative data visualization of a ...

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