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Top 20 Online Programming Courses to Boost your Career

Do you want to know what is the best investment you can make with your time and money? Knowledge As a software developer you should be constantly acquiring new skills. This is the best way to advance your career and enjoy the rewards (monetary, emotional etc.). Towards that direction you should be reading books, devouring technical articles and staying informed ...

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Minimize Java Memory Usage with the Right Garbage Collector

Size matters when it comes to software. It has become clear that using small pieces within the microservice architecture delivers more advantages compared to the big monolith approach. The recent Java release of Jigsaw helps decompose legacy applications or build new cloud-native apps from scratch. This approach reduces disk space, build time and startup time. However, it doesn’t help enough ...

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Building a Restful API interface using Android Things

Building a Restful API interface using Android Things is useful whenever we have to connect Android Things to an external system. This article explains how to build a Restful API interface using Android Things so that other apps or applications can invoke this API. There are several scenarios, where Android Things has to be integrated with external systems and it ...

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Building a Simple Neural Network With Eclipse Deeplearning4j

Introduction to Neural Networks Deep learning encompasses both deep neural networks and deep reinforcement learning, which are subsets of machine learning, which itself is a subset of artifical intelligence. Broadly speaking, deep neural networks perform machine perception that extracts important features from raw data and makes some sort of prediction about each observation. Examples include identifying objects represented in images, ...

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The Libraries and Packages of the Code Coverage Ecosystem

If you’ve been writing test-driven code for even a little while, you’ll know about code coverage (also known as test coverage). If you’re not familiar with the term, here are two short definitions. Wikipedia defines it as: A measure used to describe the degree to which the source code of a program is executed when a particular test suite runs. ...

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Sprint Review Tips for Product Owners

The sprint review meeting is maybe the most important Scrum event for product people—it helps you collect feedback and make the right product decisions thereby increasing the chances of creating a successful product. But I find that product owners are not always clear on who should attend the meeting, how it should be run, and how to collect the relevant ...

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More Fail early – Java 8

Fail fast or Fail early is a software engineering concept that tries to prevent complex problems happening by stopping execution as soon as something that shouldn’t happen, happens. In a previous blog post and presentation I go more into detail about the merits of this approach, in this blog post I will just detail another use of this idea in Java 8.   ...

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AJAX with CKEditor in Spring Boot

java-interview-questions-answers

1. Overview In this article, we will cover how to use CKEditor with Spring Boot. In this tutorial, we will be importing an XML document with numerous data, program the ability to load a set of data to the CKEditor instance with a GET request, and do a POST request to save the CKEditor’s data. Technologies we will be using include ...

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Constructors or Static Factory Methods?

I believe Joshua Bloch said it first in his very good book “Effective Java”: static factory methods are the preferred way to instantiate objects compared with constructors. I disagree. Not only because I believe that static methods are pure evil, but mostly because in this particular case they pretend to be good and make us think that we have to ...

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