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On programming in the summer


In the summer my training and consulting business gets quiet. That allows me to take some holiday and to pursue some stuff I don’t get much time for otherwise. This summer I’ve picked up a programming idea I started last summer, worked on over Christmas and still haven’t finished. This means I’m programming! It is getting close to 10 years ...

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How to Use Continuous Planning


If you’ve read Reasons for Continuous Planning, you might be wondering, “How can we do this?” Here are some ideas. You have a couple of preconditions: The teams get to done on features often. I like small stories that the team can finish in a day or so. The teams continuously integrate their features. Frequent features with continuous integration creates an ...

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Procedure-Like Functions in PostgreSQL PL/pgSQL


PostgreSQL does not support stored procedures in the sense that a database such as Oracle does, but it does support stored functions. In this post, I look at a few tactics that can make the use of a stored function in PostgreSQL (stored function and its calling code both written in PL/pgSQL) feel like using a stored procedure. These simple ...

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Easily generate SSL certificates and htpasswd files with Docker


So you don’t have installed OpenSSL or apache2-utils on your laptop, but you have Docker installed and you want to generate SSL (self-signed or not) certificates and an htpasswd file for basic authentication ? Follow those easy steps! Generate SSL certificates from a Docker container I gathered those steps from this nice article from Digital Ocean (How To Create a ...

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The Story with Story Points


I don’t like story points. I think this is part of my crusade against complexity. You can catch a glimpse of  it here. Story points were invented as supporting beams for the bridge between business and development that would later be called agile. They started with a very good concept that wasn’t there before: The story. Remember those hundred page specs, and ...

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Hello World in Vaadin & DukeScript


On the face of it, Vaadin—and GWT in general—has a lot in common with DukeScript. Both are focused on providing browser-oriented solutions for Java developers and have good integration with IDEs, thanks to their native support for Maven. However, these aspects are really all that they have in common. From the programming model, to how the frameworks process the code, to how applications are ...

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Writing Data Driven Tests for your Java Application


JUnit is an extremely powerful testing framework that not only provides its users with a facility to write quick and easy tests but also provides an opportunity for users to extend it and make it work the way they want it to. Many frameworks have been built on top of JUnit that provides various ease of use functionalities to their ...

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Set up Jenkins for Android projects


Nowadays continuous integration is a must for Android application development. Jenkins plugins make it a lot easier to go with continuous integration while developing your Android application. First we must install the Gradle plugin for Jenkins.               The we must install the Android emulator plugin for Jenkins. We have to install Gradle on jenkins: ...

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Wiring YAML to a file or network with Chronicle Wire


Overview Chronicle Wire is designed to get the benefits of a text protocol in terms of ease of development and faster debugging, but be able to switch to a more performant and smaller binary protocol without having to change your code. In this post, I looked at the performance you might achieve using a YAML based text format for serialization, ...

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