Take a deep dive into the performance problem of concurrent apps that use core.async where blocking operations are involved. If you're a fan of Clojure, you need to read this.
Look at annotations that can be applied to a class to create indexes that have been specified within the class. See what indexes do and how they can decrease query times.
Sometimes, you need to parse command-line arguments in a Java application. There are a number of options, but in this post, we look at the Apache Commons CLI library.
This deep dive into Clojure's reducers, transducers and core.async is not for the faint of heart. Get to know how and when to use these tools for abstraction.
If you're thinking about trying Mockito out for unit testing, this article provides a comprehensive guide to injecting mocks and mocking methods, including void methods.
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