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Maven Release to Nexus 1. Overview In the previous article of this series, we set up a deployment process with Maven to Nexus. In this article, we’ll configure the Release Process with Maven – both in the pom of the project as well as in a Jenkins job. 2. Repository… Continue Reading maven-release-nexus
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Calculating the nth Root in Java 1. Overview Trying to find the n-th root in Java using pow() is inaccurate in some cases. The reason for that is that double numbers can lose precision on the way. Hence we may need to polish the result to handle these cases. 2. The Problem… Continue Reading java-nth-root
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Hibernate Query Plan Cache 1. Introduction In this quick tutorial, we’ll explore the query plan cache provided by Hibernate and its impact on performance. 2. Query Plan Cache Every JPQL query or Criteria query is parsed into an Abstract Syntax Tree (AST) prior to execution so that Hibernate can generate… Continue Reading hibernate-query-plan-cache
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Asynchronous HTTP with async-http-client in Java 1. Overview AsyncHttpClient (AHC) is a library build on top of Netty, with the purpose of easily executing HTTP requests and processing responses asynchronously. In this article, we’ll present how to configure and use the HTTP client, how to execute a request and process… Continue Reading async-http-client
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Quick Guide to Java Stack 1. Overview In this article, we’ll introduce the java.util.Stack class and start looking at how we can make use of it. The Stack is a generic data structure which represents a LIFO (last in, first out) collection of objects allowing for pushing/popping elements in constant… Continue Reading java-stack
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Introduction to Java Config for Spring Security 1. Overview This article is an introduction to Java configuration for Spring Security which enables users to easily configure Spring Security without the use of XML. Java configuration was added to the Spring framework in Spring 3.1 and extended to Spring Security in… Continue Reading java-config-spring-security
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Broadcasting and Multicasting in Java 1. Introduction In this article, we describe how one-to-all (Broadcast) and one-to-many (Multicast) communications can be handled in Java. The broadcast and multicast concepts outlined in this article are based on the UDP protocol. We start with a quick recap of datagrams and broadcasting and… Continue Reading java-broadcast-multicast
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Java Web Weekly, Issue 174 Lots of interesting writeups on Java 9 this week. Here we go… 1. Spring and Java ===== >> Project Amber: The Future of Java Exposed [takipi.com] The future Java with Local Variable Type Inference, Enhanced Enums, and Lambda Leftovers definitely looks interesting. Let’s hope we… Continue Reading java-web-weekly-174
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Pattern Search with Grep in Java 1. Overview In this tutorial – we’ll learn how to search for a pattern in a given file/s – using Java and third party libraries such as Unix4J and Grep4J. 2. Background Unix has a powerful command called grep – which stands for “global… Continue Reading grep-in-java
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OAuth2 Remember Me with Refresh Token 1. Overview In this article, we will add a “Remember Me” functionality to an OAuth 2 secured application, by leveraging the OAuth 2 Refresh Token. This article is a continuation of our series on using OAuth 2 to secure a Spring REST API, which… Continue Reading spring-security-oauth2-remember-me
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