dev/Sorting/Thoughts

Journal of development Sorting Thoughts and more…

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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The state of smartphones in 2014

Posted on Jan 11, 2015 in Links, Mobile

Great summary about the current smartphone market:

The state of smartphones in 2014: Ars Technica’s Ultimate Guide

All the phones you need to know about, and everything you need to know about them.

Tl;dr: Just tell me what to buy!

Before we get started, here is the version of this article for people who just want purchasing recommendations.

If you like iOS, get an iPhone 6.

If you like Android, get a 2014 Moto X. If you like Android but hate the Moto X’s camera and battery life, get a Samsung Galaxy S5. If you like Android and want a big phone, get a Samsung Galaxy Note 4.

If you like Android or don’t have a preference and want a solid, inexpensive unlocked phone, get a Moto G. We’d favor the larger 2014 model because it’s newer and more likely to be supported for longer, but the smaller 2013 version is cheaper and essentially identical.

If you like Windows Phone and you need something today, get an HTC One M8 for Windows. If you can possibly wait, sit on your hands until a new Lumia flagship comes out.

The state of smartphones in 2014: Ars Technica’s Ultimate Guide

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Sorting Thoughts for iOS completed

Posted on Dec 11, 2014 in iOS, Programming

Woohoo! Sorting Thoughts for iOS is now available in the App Store :-)

It feels great to have this milestone behind me. And I look forward to many feedback and to the next release of the desktop version. With Sorting Thoughts for Mac and PC 2.0 the sync cycle will be closed and Sorting Thoughts will be a great tool on desktop and iOS devices with a secure and private sync service.

Sorting Thoughts on iOS

Download on the App Store

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Break: Science Vs. Music

Posted on Nov 20, 2014 in Uncategorized

CYMATICS: Science Vs. Music / ‘Solar Echoes’ by Nigel Standford

CYMATICS: Science Vs. Music – Nigel Stanford from Nigel Stanford on Vimeo.

From the album 'Solar Echoes'.
http://NigelStanford.com/Solar_Echoes

Download the video in 4k. All of the science experiments in the video are real. Watch behind the scenes and see how it was made.
http://NigelStanford.com/Cymatics

Directed by http://ShahirDaud.com
Cinematographer: Timur Civan

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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 – http://www.dawnsci.org/) 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

see also:

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Fail fast, Learn fast, Improve fast,…

Posted on Nov 15, 2014 in Process

The Spotify engineering culture (part 2)

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:
https://spotifylabscom.files.wordpress.com/2014/09/spotify-engineering-culture-part2.jpeg

Here's part 1: https://vimeo.com/85490944

The big picture

spotify-engineering-culture-part2

see also https://labs.spotify.com/

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