during: 2010

Visual Channel

At the end of the 1990's I made a personal push-back against using slides in presentations, as I was tired by poorly designed bullet-points presentations. For around a decade, I gave keynotes with no slides at all. In the last year or so I've started using slides again - primarily inspired by watching my colleague Neal Ford who turns the dreaded slide-deck into a genuine enhancement to his talks (and is collaborating on a book project to pass on his techniques). As I've been working with slides again, I've also been thinking about what makes a set of slides an effective part of a talk. Thee main principle I've tried to follow is to think of them as a visual channel that complements the audio channel which is my spoken words. I find that thinking them of separate channels in this way helps me avoid common problems with presentations - many of which are rooted in the commonplace bullet point slides.

by Martin Fowler

6 Dec 2010

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presentation technique

Reproducible Build

One of the prevailing assumptions that fans of Continuous Integration have is that builds should be reproducible. By this we mean that at any point you should be able to take some older version of the system that you are working on and build it from source in exactly the same way as you did then.

Motion Graphics

As I've been using slides again as a visual channel in my talks, I've been making use of animation with diagrams to help communicate my points. The major presentation programs (Keynote and Powerpoint) have long supported animation, but I've been inclinded to look for motion grahics tools that are more powerful and easier to use.

by Martin Fowler

29 Nov 2010

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bliki

writing

Snow Leopard

I've been intending to upgrade my laptop to Snow Leopard for ages. Particularly once I got Aperture 3, which I'm told works better. But I never quite got around to it, after all operating system upgrades are usually such a pain. (Although Ubuntu upgrades are much less painful than most.)

by Martin Fowler

9 Nov 2010

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bliki

tools

InfoQ Interview with Jez and me on Continuous Delivery

An interview with Jez Humble and me at QCon San Francisco in 2010

Martin Fowler and Jez Humble

Nov 2010

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video

continuous delivery interviews

Feature Toggle

One of the most common arguments in favor of FeatureBranch is that it provides a mechanism for pending features that take longer than a single release cycle. Imagine you are releasing into production every two weeks, but need to build a feature that's going to take three months to complete. How do you use Continuous Integration to keep everyone working on the mainline without revealing a half-implemented feature on your releases? We run into this issue quite a lot and feature toggles are a handy tool to deal with it.

by Martin Fowler

29 Oct 2010

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bliki

continuous delivery

Agile Australia 2010

Scattered impressions from my recent trip to Australia for the Agile Australia conference.

by Martin Fowler

27 Sep 2010

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bliki

agile conferences

Agile2010

Last week I attended the Agile 2010 conference in Orlando. Agile 20xx is the major US agile-oriented conference whose roots go back to XP Universe and the Agile Development Conference. I've not been a regular attender of the main agile conferences, but I did go last year as well. Rather than make an attempt at a consolidated description, here are a few scattered impressions.

by Martin Fowler

16 Aug 2010

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agile conferences

Utility Vs Strategic Dichotomy

One of the steady themes I've seen throughout my career is that of the nature and importance of software development. A few years ago a prospect told one of our salespeople that "software is like sewage pipes, I want it to work reliably and I don't want to know about the details". This is the kind of approach that Nicholas Carr talked about in IT Doesn't Matter. On a contrasting note we've done work for many businesses where IT has been a clearer strategic enabler to their business, allowing them to enter new markets or significantly increase their market share. So is IT a utility, like sewage pipes, or a strategic asset?

by Martin Fowler

29 Jul 2010

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agile adoption team organization process theory

Team Room

A common thing you find in agile projects is that the development team sits in a single open team room. It was advocated early on in Extreme Programming and called out as one of primary practices in the second edition. Agilists favor a open team room as it promotes lots of informal and deep communication between people on the team.

by Martin Fowler

14 Jun 2010

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agile agile adoption team environment collaboration

iPad

I've not seen myself as an iFanboy. I didn't get an iPhone for ages after it came out, and only got one because it was the only way to upgrade my data plan to 3G. I use a mac, but I also have an Ubuntu desktop. But I have got an iPad, and I think it's a significant product.

by Martin Fowler

4 Jun 2010

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gadgets

Pourquoi, pas comment

Neal Ford and I gave a talk at USI in Paris (2010) on some aspects of why agile works (as opposed to how). This probes at some of the core forces that makes agile effective, rather than looking at techniques. In particular we look at role of communication and feedback and how they interplay in agile environments.

Neal Ford and Martin Fowler

Jun 2010

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video

agile talk videos

Agile Brazil Interview

Interview with Paulo Caroli and me at Agile Brazil

Paulo Caroli and Martin Fowler

Jun 2010

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video

agile interviews

Canon S90

Like many obsessive snappers, I've recently got hold of the Canon S90 camera. It's small enough to fit in your pocket, but has the kind of things that people with pretensions to seriousness like: full manual controls, RAW file support, a good sensor, and an f2 lens.

by Martin Fowler

5 May 2010

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gadgets photography

Suite Of Talks

During the last fifteen years or so, I've given a lot of keynote talks. I've always found these kinds of talks rather awkward. If you give a talk during a session at a conference, you pick one subject to talk about. You know that there's multiple tracks, so if people come to your talk that implies a certain amount of interest in your topic. But with keynotes you're speaking to the whole conference, so I feel I can't make my talk too tightly focused. I may like talking about the intricacies of modeling temporal events, but I feel that that's too narrow a topic for a broad ranged audience

by Martin Fowler

21 Apr 2010

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presentation technique

Semat

SEMAT (Software Engineering Method and Theory) is an effort initiated by Ivar Jacobson, Bertrand Meyer, and Richard Soley. Its stated aim is to "refound software engineering based on a solid theory, proven principles and best practices". Like many notorious people in the software world I was invited to participate. Thus far I've declined and feel the need to explain why.

by Martin Fowler

16 Apr 2010

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bliki

certification process theory

Amalfi Coast

We've just returned from a week's vacation on the Amalfi Coast of Italy. For those contemplating a similar trip, here are a few scattered impressions.

by Martin Fowler

15 Apr 2010

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bliki

travel

Richardson Maturity Model

A model (developed by Leonard Richardson) that breaks down the principal elements of a REST approach into three steps. These introduce resources, http verbs, and hypermedia controls.

by Martin Fowler

18 Mar 2010

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article

popular application integration web services

Vcs Survey

When I discussed VersionControlTools I said that it was an unscientific agglomeration of opinion. As I was doing it I realized that I could add some spurious but mesmerizing numbers to my analysis by doing a survey. Google's spreadsheet makes the mechanics of conducting a survey really simple, so I couldn't resist.

by Martin Fowler

8 Mar 2010

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version control

Toyota Failings

One of the arguments used to support the adoption of lean techniques in software is the success of Toyota. So do Toyota's recent quality failings undermine the case for lean software development?

by Martin Fowler

2 Mar 2010

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lean

Blue Green Deployment

One of the goals that my colleagues and I urge on our clients is that of a completely automated deployment process. Automating your deployment helps reduce the frictions and delays that crop up in between getting the software "done" and getting it to realize its value. Dave Farley and Jez Humble are finishing up a book on this topic - Continuous Delivery. It builds upon many of the ideas that are commonly associated with Continuous Integration, driving more towards this ability to rapidly put software into production and get it doing something. Their section on blue-green deployment caught my eye as one of those techniques that's underused, so I thought I'd give a brief overview of it here.

by Martin Fowler

1 Mar 2010

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continuous delivery

Version Control Tools

If you spend time talking to software developers about tools, one of the biggest topics I hear about are version control tools. Once you've got to the point of using version control tools, and any competent developers does, then they become a big part of your life. Version tools are not just important for maintaining a history of a project, they are also the foundation for a team to collaborate. So it's no surprise that I hear frequent complaints about poor version control tools. In our recent ThoughtWorks technology radar, we called out two items as version control tools that enterprises should be assessing for use: Subversion and Distributed Version Control Systems (DVCS). Here I want to expand on that, summarizing many discussions we've had internally about version control tools.

by Martin Fowler

17 Feb 2010

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version control

Conversational Stories

Here's a common misconception about agile methods. It centers on the way user stories are created and flow through the development activity. The misconception is that the product owner (or business analysts) creates user stories and then put them in front of developers to implement. The notion is that this is a flow from product owner to development, with the product owner responsible for determining what needs to be done and the developers how to do it.


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