A bitmap is the data structure that immediately pops in your head when there's a need to map boolean information for a huge domain into a compact representation. It is a very popular data structure whenever memory space is at a premium. Redis, being an in-memory data structure server, provides support for bit manipulation operations. Read on for more details.
Service discovery is vital in large system deployments. Learn how to use Docker and Consul to help your deployments run more smoothly and get home at a decent hour.
Tuning any database for maximum performance is crucial to most any application. We have a look at some of the bets practices for tuning one important aspect of MySQL: memory usage.
In this post, you will learn about autowiring—its limitations, advantages, and disadvantages in detail. You also get to know about different modes of autowiring used in Java web development.
In this IoT Arduino programming tutorial, the Arduino board is connected to a set of sensors and an ethernet shield. Sensors used in this IoT Arduino programming project are:
Persistence is a part of almost every Java enterprise application. Unfortunately, persisting domain objects is a non-trivial task. On the contrary, it generates a lot of problems, especially when we're using a relational database. Let's see different approaches to the problem.
Programming interviews can be daunting at the best of time, and throwing TDD and pairing into the mix is enough to make anyone nervous. Interview expert Sam Atkinson runs through how to prepare for the big day.
The Oracle functions CASE, DECODE, and COALESCE all perform similar functionality. They can transform a value into another value. Which one should you use? I'll explain the pros and cons of each in this article.
Take a look at some of the common mistakes made when measuring and reporting performance, and how can you generate useful reports for your own projects.
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