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Is Your Culture Working the Way You Think it Is?

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Long ago, I was a project manager and senior engineer for a company undergoing a Change Transformation. You know the kind, where the culture changes, along with the process. The senior managers had bought into the changes. The middle managers were muddling through, implementing the changes as best they could. Us project managers and the technical staff, we were the ...

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4 Biggest Reasons Why Software Developers Suck at Estimation

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Estimation is difficult. Most people aren’t good at it–even in mundane situations. For example, when my wife asks me how much longer it will take me to fix some issue I’m working on or to head home, I almost always invariably reply “five minutes.” I almost always honestly believe it will only take five minutes, but it never does. Most ...

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Revealing the length of Garbage Collection pauses

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There are several ways to improve your product. One such way is to carefully track what your users are experiencing and improve based on that. We do apply this technique ourselves and have again spent some time looking at different data Besides many other aspects we were after, we also posed a question “what is the worst-case effect for latency ...

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The DSL Jungle

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DSLs are a common thing in the programming world nowadays. Many frameworks and tools decide to build a DSL for their…specific things. Builds tools are the primary candidates, but testing frameworks, web frameworks and whatnot also decide to define a DSL. With these DSLs you define build steps, web routing rules, test acceptance criteria, etc. What is the most common ...

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Legacy Code to Testable Code #4: More Accessors!

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This post is part of the “Legacy Code to Testable Code” series. In the series we’ll talk about making refactoring steps before writing tests for legacy code, and how they make our life easier. It continues the last post on accessors.   We talked about “setter” accessors as a mean to inject values. The other side of the coin is ...

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My Five Rules for Remote Working

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A couple of weeks ago, there was a stir (again) about remote working and its succes and/or failure: it was reported that Reddit, the website where many people lose countless of hours, were forcing all their employees to move to SF. After a similar thing happened at Yahoo last year it made me think about why remote work is such a huge success for us ...

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Spring Rest API with Swagger – Integration and configuration

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Nowadays, exposed APIs are finally getting the attention they deserve and companies are starting to recognize their strategic value. However, working with 3rd party APIs can be really tedious work, especially when these APIs are not maintained, ill designed or missing any documentation. That’s why I decided to look around for ways to provide fellow programmers and other team members ...

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How To Control Access To REST APIs

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Exposing your data or application through a REST API is a wonderful way to reach a wide audience. The downside of a wide audience, however, is that it’s not just the good guys who come looking.         Securing REST APIs Security consists of three factors: Confidentiality Integrity Availability In terms of Microsoft’s STRIDE approach, the security compromises ...

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Understanding strategy pattern by designing game of chess

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Today we will try to understand Strategy Pattern with the help of an example. The example we will consider is The Game of Chess. The intention here is to explain strategy pattern and not to build a comprehensive Chess Game solution. Strategy Pattern : The Strategy pattern is known as a behavioural pattern – it’s used to manage algorithms, relationships ...

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