Journal of development Sorting Thoughts and more…

This is a great post about API DX

Posted on Mar 27, 2015 in Links, Process, Programming

It’s hot to talk about how improving API User Experience can make end users happy. UX is important to consider with APIs and with any kind of development. But sometimes we forget about the middle men and women who are often the true intended audience and customers. When developing an application programming interface, or API, it is essential to keep developer experience or DX as a priority in everything we do.

Must read: “Why API Developer Experience Matters More Than Ever” by Jennifer Riggins

Developers are People Too! Building a DX based API Strategy

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Use Case 2.0: Agile Projektplanung mit Use Case Slices

Posted on Feb 13, 2015 in Links, Process

Interessanter Artikel über agilere Use Case Beschreibung: “Use Case 2.0: Agile Projektplanung mit Use Case Slices” von Ursula Meseberg

Use Case 2.0

In Use Case 2.0 wird für jeden Use Case zunächst jeweils der “Basic Flow” festgehalten. Er entspricht dem herkömmlichen Hauptszenario, ist also eine Folge von Schritten, die auf “geradem” Weg zum erfolgreichen Abschluss des Use Case führt. Zu einigen Schritten und Schrittfolgen des Basic Flow gibt es im Regelfall Alternativen, das heißt bedingungsabhängige Abweichungen vom “geraden” Weg. Diese Umwege werden als “Alternative Flows” bezeichnet.

Use Case 2.0 und Scrum

Wie greifen das Use Case Slicing und Scrum ineinander? Ein aus Use Case Stories und Testfällen gebildetes Use Case Slice wird als Backlog-Item in das Product Backlog der agilen Entwicklung eingestellt. Bevor der Scrum-Ablauf beginnen kann, muss das Product Backlog zu einem gewissen Grad gefüllt sein. Es sind also Use Cases identifiziert und daraus Use Case Slices abgeleitet. Use Case 2.0 setzt nicht voraus, dass zu Beginn eines Projekts alle Use Cases vollständig definiert werden. Um erste Backlog-Items zu gewinnen, genügt es, einige zentrale Use Cases zu identifizieren. Das erfordert den folgenden Vorlauf:

mehr auf “Use Case 2.0: Agile Projektplanung mit Use Case Slices” von Ursula Meseberg

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Lean Design Critique

Posted on Nov 15, 2014 in Eclipse, Process, Tools

Optimize UX when Design Time is Limited – Eclipse Con 2014 Talk by Tracy Miranda

Eclipse tools for scientific and related industries are often feature rich. However, there is often limited time and/or budget for optimizing the user-experience of these tools. Lean design critique is a 7-step technique to get the most worthwhile optimizations in a short space of time.

This talk follows a case study of applying this technique to the function fitting tool in the Data Analysis WorkbeNch (DAWN). Data Analysis WorkbeNch (DAWN – is an Eclipse based workbench for doing scientific data analysis used at synchrotrons and scientific facilities throughout Europe. The function fitting tool is a scientific tool that enables the user to methodically find the best fit (in terms of a mathematical function like linear or Gaussian) for a series of data points. This tool was run through the seven stages, namely:
1. Identify the 90% task
2. Do a Cognitive Walkthrough
3. Analyse Eye Travel, Mouse Travel & Clicks
4. Analyse Screen Space Usage
5. Explore Existing Designs
6. Optimize
7. Rerun Analysis

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Fail fast, Learn fast, Improve fast,…

Posted on Nov 15, 2014 in Process

The Spotify engineering culture (part 2)

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Spotify Engineering Culture – part 2 from Spotify Training & Development on Vimeo.

An attempt to describe our engineering culture. This is a journey in progress, not a journey completed, so the video is somewhere between "How Things Are Today" and "How We Want Things To Be".

Here's the whole drawing:

Here's part 1:

The big picture


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