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This blog is about software development. It's about figuring out how to improve ourselves, our code and the development process. There will be lots of questions and occationally, some epiphanies of mine.
My name is Johnny Bigert, and I am a software developer living in Stockholm, Sweden. I specialize in object-oriented software architecture and software testability. Visit my home page (mostly in Swedish).
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- Design Patterns By Example: Implementing a State Machine - 11,751 views
- Design Principles by Example: Talk to an Interface or an Abstraction? - 4,333 views
- Object-Orientation is not Really About Objects - 1,323 views
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- Johann Gerell on Characteristics of a Software Professional
- Gunnar Andersson on Characteristics of a Software Professional
- Johnny on Abstraction vs Compression
- James Coplien on Abstraction vs Compression
- Johnny on Sustainable Software Development, Part 1: Managing Technical Debt
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A blog about the joys and perils of software development
Author Archives: Johnny
How Do We Know Our Tests Work Tomorrow?
When writing a test case, good practices suggest that we verify the test can fail. But how can we know the test code doesn’t break later? Continue reading
Posted in Software Development
Tagged test code, test-driven development, testing, unit test
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The Random Sustainable Coder
Looking for good books? Here are two on software development and one on… randomness. “How much of the success in your own career is due to chance? If you’re a stock broker, it’s probably close to 100%. If you’re a software developer, …” Continue reading
Sustainable Software Development, Part 2: Managing Complexity
As the code base grows, the complexity of your code increases. The pace of software development often slows down as the product matures. Why is this? What can we do to manage complexity? Continue reading
Posted in Software Development
Tagged book, decoupling, design pattern, design principles, sustainable development
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Characteristics of a Software Professional
At work, I have been challenged with the question “What are the most important characteristics of a software developer?”. I have created a summary of what I think it takes. Continue reading
Great Videos (and Articles) for a Software Developer
What makes a World Class Software Company? How do I create a good API? Here’s a selection of great videos and articles from the web. Continue reading
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Behavior Driven Development
Behavior Driven Development (BDD) is a flavor of Test Driven Development (TDD). In BDD, we have a specification focus instead of a test focus. What does that mean? And how can it help us write better software? Continue reading
Posted in Software Development
Tagged test-driven development, testing, unit test, video
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Sustainable Software Development, Part 1: Managing Technical Debt
Software projects sometimes go bad. The pace of development is not sustainable. To achieve sustainable software development, we need to keep our focus on what’s important: the long-term health and maintainability of our source code Continue reading
Posted in Personal Development, Software Development
Tagged scrum, sustainable development, unit test
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Abstraction vs Compression
In our daily communication you might hear things like “higher level of abstraction”, but what is abstraction? And how does it relate to compression? Continue reading
The Diamond Shape
How can your classes talk to each other if they don’t know of each other? Hint: a diamond might come handy. Continue reading
Object-Oriented Programming Lecture at KTH: Slides etc.
Thank you all that participated in my lecture at KTH October 26, 2011. I had a lot of fun, and we had some good discussions. For you who were not there, it was about object-oriented programming and how to write … Continue reading
Posted in Software Development
Tagged book, decoupling, design principles, interface, object-orientation, test-driven development, testing, unit test
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