during: 2021

Bitemporal History

It's often necessary to access the historical values of some property. But sometimes this history itself needs to be modified in response to retroactive updates. Bitemporal history treats time as two dimensions: actual history records what history should be given perfect transmission of information, while record history captures how our knowledge of history changes.

by Martin Fowler

7 Apr 2021

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article

API design data analytics

Refinement Code Review

When people think of code reviews, they usually think in terms of an explicit step in a development team's workflow. These days the Pre-Integration Review, carried out on a Pull Request is the most common mechanism for a code review, to the point that many people witlessly consider that not using pull requests removes all opportunities for doing code review. Such a narrow view of code reviews doesn't just ignore a host of explicit mechanisms for review, it more importantly neglects probably the most powerful code review technique - that of perpetual refinement done by the entire team.

Pull Request

Pull Requests are a mechanism popularized by github, used to help facilitate merging of work, particularly in the context of open-source projects. A contributor works on their contribution in a fork (clone) of the central repository. Once their contribution is finished they create a pull request to notify the owner of the central repository that their work is ready to be merged into the mainline. Tooling supports and encourages code review of the contribution before accepting the request. Pull requests have become widely used in software development, but critics are concerned by the addition of integration friction which can prevent continuous integration.

by Martin Fowler

28 Jan 2021

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bliki

continuous delivery tools

Maximizing Developer Effectiveness

Technology is constantly becoming smarter and more powerful. I often observe that as these technologies are introduced an organization’s productivity instead of improving has reduced. This is because the technology has increased complexities and cognitive overhead to the developer, reducing their effectiveness. In this article, the first of a series, I introduce a framework for maximizing developer effectiveness. Through research I have identified key developer feedback loops, including micro-feedback loops that developers do 200 times a day. These should be optimized so they are quick, simple and impactful for developers. I will examine how some organizations have used these feedback loops to improve overall effectiveness and productivity.

by Tim Cochran

26 Jan 2021

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article

productivity collaboration

The Lies that can Undermine Democracy

Recent events highlight our need to take serious measures to counter lies that are undermining democracies.

by Martin Fowler

12 Jan 2021

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article

internet culture


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