A quick and practical guide to using Akka with Spring
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The Java 8 Stream API Tutorial
The article is an example-heavy introduction of the possibilities and operations offered by the Java 8 Stream API.
Introduction to Project Lombok
A comprehensive and very practical introduction to many useful usecases of Project Lombok on standard Java code.
Guide to the Fork/Join Framework in Java
An intro to the fork/join framework presented in Java 7 and the tools to help speed up parallel processing by attempting to use all available processor cores.
Elasticsearch Queries with Spring Data
Learn how to use the various query types offered by Elasticsearch and understand field analyzers and their impact on search results.
Sixth Round of Improvements to the Reddit Application
Finishing up the reddit application with a quick round of improvements.
Fifth Round of Improvements to the Reddit Application
We separate the front end and the API into their own servlets, introduce email notifications on Reddit comments and generally make things better.
Apply CQRS to a Spring REST API
Learn how to start moving an existing Spring REST API towards a CQRS-centric architecture.
Fourth Round of Improvements to the Reddit Application
Improvements to the registration flow of the reddit app, converting the project to Boot, handling session timeout and disabling the user. Improvements galore.
Third Round of Improvements to the Reddit Application
Improving the Reddit app in the case study with: better tables, email notifications, simple voting rules and extra validation.
Adding Roles and Privileges To the Reddit App
Simple Roles and Privileges added to the app, a scheduling limit for standard users and a basic admin screen.
Second Round of Improvements to the Reddit Application
The Case Study following the process of building an Reddit Web App is evolving nicely with this second round of improvements and new functionality.
Schedule Post to Reddit with Spring
How to build a simple Spring app to schedule, edit and delete Posts using the Reddit API.
Post a Link to the Reddit API
A basic interaction with the Reddit API – posting a new Link, using Spring Security OAuth2.
Prevent Brute Force Authentication Attempts with Spring Security
Block users by IP after a number of failed authentication attempts – a simple mechanism implemented with Spring Security.
REST Query Language with Spring Data JPA Specifications
How to implement a query language for a REST API using Spring Data Specifications.
Java – Directory Size
Calculate the Size of a Directory with Java 6, 7 and 8 as well as Apache Commons IO and Guava.
Spring Profiles
How to define and use Profiles in Spring. The 4 ways to enable profiles and their precedence. And a real-world example using profiles.
Guava – Lists
Work with Lists in Guava – clean duplicates and nulls from the list, reverse it and partition it – or convert it to an ImmutableList.
Multipart Upload on S3 with jclouds
Multipart Upload on S3 with jclouds custom S3 API – breaking the Content in Parts, Uploading the Parts individually, marking the Upload as complete via the Amazon API.
