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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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Getting Rid Of Anonymous Classes

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I really enjoy writing and reading lambda expressions – they’re succinct, expressive and fashionable (come on, like that doesn’t matter a little!). Compare that to anonymous classes which are neither of those things. Which is why I like to get rid of them! This realization slowly materialized itself over the last months and yesterday my subconscious barfed up an idea ...

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Bruce Lee’s Top 5 Agile Coaching Tips

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When I was a kid, I was a big Bruce Lee fan. I walked around the playground rubbing my nose with my thumb. When I had a piece of rope, I had to do my version of the nunchaku routine from Way of the Dragon and made cat-like noises. Looking back at Lee, I find it quite striking how many ...

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We Analyzed 60,678 Libraries on Github – Here are the Top 100

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What are the top Java libraries used by some of the most popular projects on Github? Based on analyzing 60,678 dependencies We like backing up everything we say with data, that’s why some people claim we’re not that fun at parties. Obviously, they’re going to the wrong parties. In this post we’ve looked into 60,678 import statements of 11,939 unique ...

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Design Patterns in the 21st Century: The Adapter Pattern

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This is part three of my talk, Design Patterns in the 21st Century. The Adapter pattern bridges worlds. In one world, we have an interface for a concept; in another world, we have a different interface. These two interfaces serve different purposes, but sometimes we need to transfer things across. In a well-written universe, we can use adapters to make ...

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Backdoors, Sabotage or Just Plain Stupidity

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Someone on your development team, or a contractor or a consultant, or one of your sys admins, or a bad guy who stole one of these people’s credentials, might have put a backdoor, a logic bomb, a Trojan or other “malcode” into your application code. And you don’t know it. How much of a real problem is this? And how ...

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What Programming Language Should I Learn?

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Several times a week I am asked by a contact/reader/someone on Reddit for advice on what they should learn next. The question comes from both junior and experienced programmers, and has been posed both as open-ended (“What should I learn?“) and multiple choice (“Python or Ruby?“, “Django or Flask?“, “iOS or Android?“, etc.). Unless it is someone I’ve worked with, there is usually little (or no) ...

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What’s the strangest bug you’ve squashed?

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As software engineers we’re tasked with creating solutions to customer’s business problems. Being complex systems, every once in a while flaws inevitably slip in the design or implementation. And sometimes flaws creep in through use of third party software, which can can make problems all the more difficult to track down. Each bug has a story to tell and the ...

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Grails Goodness: Add Banner to Grails Application

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Grails 3 is based on Spring Boot. This means we get a lot of the functionality of Spring Boot into our Grails applications. A Spring Boot application has by default a banner that is shown when the application starts. The default Grails application overrides Spring Boot’s behavior and disables the display of a banner. To add a banner again to ...

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Spicy Spring : Dynamically create your own BeanDefinition

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When we a have Spring managed application, we want to let Spring manage all of our beans. Beside the regular way of creating beans with known solutions like Annotated beans, Java Configuration and XML Configuration, there is also a way in which we can create our own BeanDefinition. With a BeanDefinitionRegistryPostProcessor it is possible to create a specific post processor ...

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