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Jazoon 2012: Architecting non-trivial browser applications
Marc Bächinger gave a presentation how to develop HTML5 browser applications. The big advantage of HTML5+JavaScript is that it gives users a better experience and usability. One of the first steps...
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Jazoon 2012: Agile Chartering: Energize Every Project Liftoff
In her talk “Agile Chartering: Energize Every Project Liftoff,” Diana Larsen presented approaches how you can set up your agile projects. Why is that important? When a rocket is launched into space, a...
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Jazoon 2012: Improving system development using traceability
When you develop a software, you will ask yourself these questions (quoted from here): Is it still possible to accept a late change request? What would be the impact? What is the overall level of...
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Software Development Costs
I’ve prepared a small presentation to give an overview of software development costs. This diagram describes the costs/gain per feature. Complexity Curve The most simple curve, complexity, is easy to...
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Software Development Costs: Bugfixing
(Second part of three; first part is here) Software has bugs – there simply is no way to avoid them. If you can’t avoid them, maybe you can handle them efficiently? Yes, you can: As you can see, the...
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TNBT: Documentation Sucks
Documentation is the unloved step-mother of software development: Nobody likes it. On the writing side, documentation is either considered a waste of time: I could write code in that time It won’t be...
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Designing a Garbage Bin
Many of us have noticed that designing software is surprisingly hard but many don’t know why that is. The simple answer: Design is the art to balance contradicting goals. Not convinced? Let’s design a...
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Things Users Don’t Care About
“Things users don’t care about” is something every software developer needs to know about. Kudos go to Thomas E. Deutsch for finding and telling me about it. Tagged: Design, Expectations, Software,...
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Quick: How Does Quicksort Work?
Every now and then, we need to remember how some complex algorithm works. For some, code works well. Or puzzles. Others prefer an explanation with examples. A third group likes to see what is going on....
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Jazoon 2013 – 33 things you want to do better
Tom Bujok listed a lot of methods, technologies and frameworks that you should be aware about in his talk “33 things you want to do better” (slides on speakerdeck) At the beginning he reminded us how...
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TNBT: Proactive IDEs
Imagine this situation: You’re working on some code and you get an exception when you run the unit tests. Next to the output is a link with the text: “User Joe had the same exception two months ago and...
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Testing Fonts for Software Developers
Characters that you need to be able to distinguish clearly: 0O – Zero and upper case o l1I – Lower case L, one, upper case i Z2 – Upper case z and two S5 – Upper case s and five G6 – Upper case g and...
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Good and Bad Tests
How do you distinguish good from bad tests in your code? Check these criteria. Good tests Nail down expectations Monitor assumptions Help to locate the cause of a failure Document usage patterns Allow...
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What are Software Developers Doing All Day?
Translate. https://openclipart.org/detail/328692/programming-coding Mathematics? Nope. I use the trigonometric functions like sin(x) to draw nice graphics in my spare time but I never use them at...
View ArticleAnother Reason to Avoid Comments
There is this old saying that if you feel you have to write a comment to explain what your code does, you should rather improve your code. In the talk above, I heard another one: A common fallacy is...
View ArticleWhen to put generated code under version control
Many people think that when a computer generates code, there is no point to put it under version control. In a nutshell: If you generate the code once with a tool that you’re confident with, there is...
View ArticleChained Unit Tests – CUT
The CUT approach allows to test logically related parts or to gradually replace integration tests with pure unit tests. Let’s start with the usual app: There is a backend server with data and a...
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