English postings – Ralf Westphal http://ralfw.de one man think tank Sat, 29 Apr 2017 16:02:05 +0000 de-DE hourly 1 https://wordpress.org/?v=4.7.4 104263274 Take a bearing, don’t estimate – Update http://ralfw.de/2016/12/take-a-bearing-dont-estimate-update/ http://ralfw.de/2016/12/take-a-bearing-dont-estimate-update/#comments Sat, 03 Dec 2016 16:17:40 +0000 http://ralfw.de/?p=1157 I believe forecasting software development using the Monte Carlo method is even easier than I thought. In my previous article I used averages of past cycle times to come up with...

Der Beitrag Take a bearing, don’t estimate – Update erschien zuerst auf Ralf Westphal.

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Take a bearing, don’t estimate http://ralfw.de/2016/12/take-a-bearing-dont-estimate/ http://ralfw.de/2016/12/take-a-bearing-dont-estimate/#comments Thu, 01 Dec 2016 22:20:49 +0000 http://ralfw.de/?p=1144 Estimation in software development is putting the burden on the wrong shoulders. Ultimately the software developers are carrying it – even though they have the least control over living up to...

Der Beitrag Take a bearing, don’t estimate erschien zuerst auf Ralf Westphal.

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The Illusionary Premises of Software Estimation http://ralfw.de/2016/11/the-illusionary-premises-of-software-estimation/ http://ralfw.de/2016/11/the-illusionary-premises-of-software-estimation/#comments Wed, 30 Nov 2016 15:07:20 +0000 http://ralfw.de/?p=1140 When I left the dentist’s office today I was asked to make new appointments, one for tooth cleaning and another one to get a small filling. The dentist handed me a...

Der Beitrag The Illusionary Premises of Software Estimation erschien zuerst auf Ralf Westphal.

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The Elm Architecture Flow http://ralfw.de/2016/08/elm-architecture-flow/ Thu, 25 Aug 2016 17:31:46 +0000 http://ralfw.de/?p=1056 What does the Elm Architecture look like? That’s what I immediately thought, when I started to read about the language. Currently I like Elm quite a bit because it makes it...

Der Beitrag The Elm Architecture Flow erschien zuerst auf Ralf Westphal.

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Get Elm up and running http://ralfw.de/2016/08/get-elm-up-and-running/ http://ralfw.de/2016/08/get-elm-up-and-running/#comments Sat, 20 Aug 2016 06:20:44 +0000 http://ralfw.de/?p=1023 I’m infatuated with Elm right now. A functional programming (FP) language to make HTML frontend development easier. Read about Elm’s virtues at the official Elm homepage: elm-lang.org. In this article I...

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Let’s play Lean http://ralfw.de/2016/08/lets-play-lean/ http://ralfw.de/2016/08/lets-play-lean/#comments Fri, 12 Aug 2016 12:10:28 +0000 http://ralfw.de/?p=998 Have you ever wondered what’s meant by „lean production“? It’s supposed to improve how stuff gets produced, be that shoes, cars, or even software. Production is supposed to flow smoothly. The...

Der Beitrag Let’s play Lean erschien zuerst auf Ralf Westphal.

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In Defence of the Hierarchy http://ralfw.de/2016/07/in-defence-of-the-hierarchy/ http://ralfw.de/2016/07/in-defence-of-the-hierarchy/#comments Sat, 09 Jul 2016 08:59:28 +0000 http://ralfw.de/?p=918 Why is it that so many people are trying to get rid of hierarchies in the context of social systems? Hierarchies are essentially bad, it seems. Poor hierarchies 🙁 Because I...

Der Beitrag In Defence of the Hierarchy erschien zuerst auf Ralf Westphal.

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Green Coding – Taking Clean Code to the Next Level http://ralfw.de/2016/06/green-coding/ http://ralfw.de/2016/06/green-coding/#comments Sat, 04 Jun 2016 10:54:15 +0000 http://ralfw.de/?p=863 When things change sufficiently their names should follow. Label and content should be in sync. Otherwise the label loses its usefulness. That’s what the Single Responsibility Principle and refactoring are about....

Der Beitrag Green Coding – Taking Clean Code to the Next Level erschien zuerst auf Ralf Westphal.

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Learning through contrast http://ralfw.de/2016/05/learning-through-contrast/ http://ralfw.de/2016/05/learning-through-contrast/#comments Mon, 23 May 2016 11:10:47 +0000 http://ralfw.de/?p=832 Praise for failure abounds. No, sorry, praise for learning from failure abounds? Failure is not only part of the tried-and-true approach trial and error, it’s also deemed essential – i.e. not...

Der Beitrag Learning through contrast erschien zuerst auf Ralf Westphal.

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Don’t Let Cleaning-Up Go Overboard http://ralfw.de/2016/03/dont-let-cleaning-up-go-overboard/ http://ralfw.de/2016/03/dont-let-cleaning-up-go-overboard/#comments Wed, 16 Mar 2016 08:25:15 +0000 http://ralfw.de/?p=718 When a tweet pointed me to Radoslaw Sadowski’s „Learn how to make a good code by bad example“ I was excited to see how the author would go about showing how...

Der Beitrag Don’t Let Cleaning-Up Go Overboard erschien zuerst auf Ralf Westphal.

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