Home » Author Archives: Jakub Stas

Author Archives: Jakub Stas

Building your own Slack bot

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There are many cool things one can do to leverage the power of Slack – private channels, embedding various content, searching all the messages from one place, sharing files and code, using some of the many available integrations or building one yourself. In this post I will focus on the last one. I have finished such an implementation myself recently. ...

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Advanced config with configuration meta-data in Spring Bootstrap

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After a short introduction to configuration meta-data and covering the basics in my previous post called Pimp your config with configuration meta-data in Spring Boot, it is time to take a look at how to take this one step further and further customize the configuration. In this post, I plan to present deprecation of a configuration property and discuss various value ...

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Pimp your config with configuration meta-data in Spring Boot

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There were many updates released in the Spring Boot 1.3.0 but one of them stood out to me because I was not aware of this before and the state it got to makes it one really useful feature (unfortunately available only in Spring Boot as of writing this). I am talking about configuration meta-data and the processing related to this ...

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Spring Cloud AWS with proxy settings

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In my previous article, Spring and Amazon Web Services, I provided a brief introduction to Spring Cloud AWS module and what you as a developer can expect from it at this point in time. One thing that is not obvious from the official documentation is how to use this module when your Internet connection is restricted by a proxy server. ...

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Spring and Amazon Web Services

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Amazon Web Services (or AWS) is nowadays one of the most common choices of the infrastructure and hardware providers to use and deploy to. Many Spring applications have tackled challenges of integrating the application infrastructure and the underlying layer. These in-house solutions differ in complexity and the degree of sophistication when it comes to the design and the actual functionality. ...

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Build your own robot arm – remote control

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In previous installment of this micro series, I discussed the way to control all the servos at once. Programmatically without any outside interaction. This just won’t do. Final step in this project is obviously remote control that is going to add another level of complexity and also fun. Join me and lets take a look at what it takes to ...

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Build your own robot arm – programming

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Now, that the arm is assembled it is time to take it to the next level. It is time to unleash the beast and gain full control of the whole robot arm. By the end of this post you should have an idea of how to program this robot arm to do what you want it to do. To see how ...

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Build your own robot arm – assembly

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I have written a few posts about software development, coding and Java related topics. This time I decided to share with you a more fun project I did. I am a fan of Arduinos, Pis and other platforms for home automation as well as just pure fun with electronics and mechanics. In my pursuit of better understanding of the ways ...

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Pitfalls of Cucumber adoption

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It seems like behavior-driven development (or BDD) and its supporting tools are gaining stronger momentum in Java world than ever. Cucumber, as one of the most popular frameworks used to support and automate BDD, seems like the go-to framework to power user acceptance tests (or UATs) without considering the implications of adoption of such a tool. Since using Cucumber was ...

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GitHub and Jenkins pull request checking

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In my previous post titled GitHub and Jenkins integration I showed one possible way of integrating GitHub with Jenkins and outlined the idea and flow of pull request checking. In this post I will show you how to configure Jenkins job to achieve that and also how to add a bit of fancy to this whole process. Jenkins job setup Picking ...

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