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Change the Default Port in WildFly 1. Overview In this quick tutorial, we’ll have a look at how to change the default port in WildFly; generally, this port is 8080. Of course, WildFly is a popular open source application server maintained by the JBoss community. 2. Using Configuration XML In… Continue Reading wildfly-change-default-port
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Lazy Initialization in Kotlin 1. Overview In this article, we’ll be looking at one of the most interesting features in Kotlin syntax – lazy initialization. We’ll also be looking at the lateinit keyword that allows us to trick compiler and initialize non-null fields in the body of class – instead… Continue Reading kotlin-lazy-initialization
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Spring Data MongoDB Transactions 1. Overview Starting from the 4.0 release, MongoDB supports multi-document ACID transactions. And, Spring Data Lovelace now provides support for these native MongoDB transactions. In this tutorial, we’ll discuss Spring Data MongoDB support for synchronous and reactive transactions. We’ll also take a look at Spring Data TransactionTemplate for… Continue Reading spring-data-mongodb-transactions
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Java Web Weekly, Issue 127 At the very beginning of last year, I decided to track my reading habits and share the best stuff here, on Baeldung. Haven’t missed a review since. Here we go… 1. Spring and Java ===== >> Zero Downtime Deployment with a Database [spring.io] It’s no… Continue Reading java-web-weekly-127
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Guide to the Java 8 forEach 1. Overview Introduced in Java 8, the forEach loop provides programmers with a new, concise and interesting way for iterating over a collection. In this article, we’ll see how to use forEach with collections, what kind of argument it takes and how this loop… Continue Reading foreach-java
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Setting Up Swagger 2 with a Spring REST API 1. Overview When creating a REST API, good documentation is instrumental. Moreover, every change in the API should be simultaneously described in the reference documentation. Accomplishing this manually is a tedious exercise, so automation of the process was inevitable. In this… Continue Reading swagger-2-documentation-for-spring-rest-api
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Guide to Escaping Characters in Java RegExps 1. Overview The regular expressions API in Java, java.util.regex is widely used for pattern matching. To discover more, you can follow this article. In this article, we will focus on escaping characters withing a regular expression and show how it can be done… Continue Reading java-regexp-escape-char
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Convert Hex to ASCII in Java 1. Overview In this quick article, we’re going to do some simple conversions between the Hex and ASCII formats. In a typical use case, the Hex format can be used to write down very large integer values in a compact form. For example, AD45… Continue Reading java-convert-hex-to-ascii
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Container Configuration in Spring Boot 2 1. Overview In this quick tutorial, we’ll have a look at how to replace the EmbeddedServletContainerCustomizer and ConfigurableEmbeddedServletContainer in Spring Boot 2. These classes were part of previous versions of Spring Boot, but have been removed starting with Spring Boot 2. Of course, the functionality… Continue Reading embeddedservletcontainercustomizer-configurableembeddedservletcontainer-spring-boot
Guide to Mustache with Spring Boot 1. Overview In this article, we’ll focus on using Mustache templates for producing HTML content in Spring Boot applications. It’s a logic-less template engine for creating dynamic content, which is popular due to its simplicity. If you want to discover the basics, check our… Continue Reading spring-boot-mustache
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