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Create Your Own Constraints With Bean Validation 2.0
Take a look at how you can create and export your own custom constraints for Bean Validation with this step-by-step tutorial.
January 9, 2018
by Hillmer Chona
· 108,041 Views · 19 Likes
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Writing Java Microservices With WSO2 Microservices Framework for Java (MSF4J)
Learn about writing microservices in Java with WSO2 Microservices Framework to enable capabilities necessary in a production environment.
January 9, 2018
by Chanaka Fernando
· 12,800 Views · 2 Likes
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Java-Based Fraud Detection With Spark MLlib
Learn how to develop an algorithm with Java and Spark MLlib that can detect fraud based on a dataset with seven million records.
January 9, 2018
by Klevis Ramo
· 20,552 Views · 10 Likes
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A Guide to Getting Started Quickly With Android Feature Flags
Read on to learn how to quickly build an Android feature flag and go deeper into feature flag management for mobile app development.
January 9, 2018
by Erik Dietrich
· 6,862 Views · 1 Like
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Jlink in Java 9
If you haven't played around with Jlink yet, see what Java 9's new command line tool can do to help you create a lightweight, custom JRE.
January 9, 2018
by Shubham Agarwal
· 51,772 Views · 59 Likes
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Run and Configure Multiple Instances in a Single Tomcat Server
Learn how to set up several different instances of an application on your Tomcat server, and manipulate each of these instances independently.
Updated January 8, 2018
by Md Nasir Uddin Bhuiyan
· 85,217 Views · 27 Likes
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Understanding flatMap
Taking a walk on Java's functional side? Here are a few good things to know about how flatMap works and what it offers for Optionals and Streams.
January 8, 2018
by Paweł Szeliga
· 38,659 Views · 19 Likes
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Why Enabling SHA256 Support for XML Signatures Breaks JWT Signing
A developer describes a bug he ran into while trying to add authentication protocols to an application. Read on to see how he got around it!
January 8, 2018
by Anders Abel
· 6,810 Views · 1 Like
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Kotlin: The Tuple Type
Get your feet wet with Tuples in Kotlin and how to easily define elements, deconstruct constituent types, and a few other tips to help you out.
January 5, 2018
by Biju Kunjummen
· 28,715 Views · 2 Likes
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Angular Developer: JavaScript to TypeScript
We take a look at the differences between the different versions of Angular, as well as how they differ from React, and then how to use TS in your Angular projects.
January 5, 2018
by Chris Shatrov
· 61,786 Views · 15 Likes
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Run Code on Startup With Play and Scala
Forget GlobalSettings. See how you can use eager singletons in Play to execute actions upon app startup, whether they're needed or not.
January 5, 2018
by Emmanouil Gkatziouras DZone Core CORE
· 18,585 Views · 9 Likes
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How to Improve the Performance of a Java Application
Ensuring your Java application is running at peak performance can take some effort. Here's how you can help ensure the performance of your Java application is top notch.
January 4, 2018
by Eugen Paraschiv
· 62,281 Views · 47 Likes
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Java Quiz 8: Upcasting and Downcasting Objects
Check in on the results from a previous quiz about unary operators in Java and try out your knowledge up upcasting and downcasting objects.
January 4, 2018
by Sar Maroof
· 17,304 Views · 4 Likes
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Leaflet: Fit Polyline in View
We take a look at using Leaflet.js to help visualize a route on a map with the ability to ensure that the map is zoomed to show all of the points on a given route.
January 3, 2018
by Mark Needham
· 10,357 Views · 4 Likes
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dotenv for Java and the JVM
Wish configuring your microservices was easy? Well, while it started with Ruby, dotenv has a Java port that brings configuration into a single method.
January 3, 2018
by Carmine DiMascio
· 45,212 Views · 14 Likes
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Dockerizing Jenkins 2, Part 1: Declarative Build Pipeline With SonarQube Analysis
In the first part of this Dockerizing Jenkins series, learn to run Jenkins on Docker, and automate plugin installation, Java and Maven tool configuration, and more.
Updated January 2, 2018
by Kayan Azimov
· 126,040 Views · 43 Likes
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CSV | XML | JSON in MuleSoft
Learn about working with CSV, a popular data format, and MuleSoft, along with transforming between CSV, JSON, and XML data.
January 2, 2018
by Nikhil Jha
· 42,186 Views · 3 Likes
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How to Use Couchbase With Java
Learn how to use Couchbase with Java by creating a heroes service that will come up with a superhero's name, their powers, and more.
January 2, 2018
by Otavio Santana DZone Core CORE
· 19,205 Views · 4 Likes
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Creating Strings in JMeter
Let's explore two common ways of creating strings with JMeter — using String Literals and the 'new' operator — to help make testing a simpler process.
January 2, 2018
by Sergey Horban
· 15,120 Views · 3 Likes
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SSIS Data Flow Error Handling With Description and Column Name
Without SQL 2016's modified API, it's really difficult to find the error column name using just a script task and script component. Here's a simple solution.
January 2, 2018
by Joydeep Das
· 21,879 Views · 2 Likes
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