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Jenkins Docker Image Example

1. Introduction In this post we will learn about how to install and configure Jenkins through the Jenkins Docker image. This is the official Docker image of Jenkins available from the Docker hub here. Please ensure that you have Docker engine and Docker-Compose installed to try out the examples provided in this post. 2. Install Jenkins Docker Image The official ...

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Apache Tomcat Mod_jk Tutorial

The Apache Tomcat connector allows to use the Apache httpd server as a front-end for Apache Tomcat applications. With this configuration you can get some features like Clustering, Load Balancing, and enhanced Security, provided by the httpd server. The mod_jk connector is an Apache HTTPD module that allows HTTPD to communicate with Apache Tomcat instances over the AJP protocol. The ...

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Hadoop Hbase Maven Example

In this article, we will learn about using Maven for including Hbase in your Apache Hadoop related applications and how Maven makes it easy to write the Java Hbase applications with the repositories. 1. Introduction Hbase is the NoSql database available in the Hadoop Ecosystem. Like rest of the Hadoop Ecosystem Hbase is also open-source and is used when the ...

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How to Intercept Confluence Content Before it’s Rendered

Daniel was a bored Atlassian Confluence Administrator. So he hatched up a prank on April fool’s day. He was going to intercept Confluence content before it’s rendered. He was going to intercept all Loremipsum macros and make it an unknown macro. Here’s how he did it. 1. Tools Daniel used the following tools: Atlassian SDK Mars Eclipse 2. Create the ...

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Selenium Headless Browser Testing

Headless browser refers to running tests in browser like simulation without having to invoke a browser or without a GUI. In this example set, we will be using Headless browser to run test cases. We will be also discussing about the Headless browser in detail, about its importance as well as the caveat to keep in mind while using it. ...

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Java XPath Performance Tips

1. Introduction This is the third article in a series dealing with using XPath within a Java application. This article focuses attention on tips for improving XPath performance. The first two articles were: A Java XPath Best Practices Tutorial https://examples.javacodegeeks.com/core-java/xpath-best-practices-tutorial/ Which showed how to setup and evaluate XPath expressions using Java. Java XPath Examples https://examples.javacodegeeks.com/core-java/xml/xpath/java-xpath-examples/ Which explored XPath syntax and ...

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Eclipse Remote Debugging Tutorial

In this article we will study about how to do remote debugging in Eclipse. For this example I am using Eclipse Luna 4.4.2 1. Introduction If you have a web application deployed into a web/application server, you can interact with it remotely from a debugging perspective. The basics are that you must start up the remote JVM with additional parameters and ...

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Apache Tomcat Generate Csr Example

In Public Key Infrastructure (PKI) systems, a Certificate Signing Request also CSR or certification request is a message sent from an applicant to a Certificate Authority in order to apply for a digital identity certificate. The most common format for CSRs is the PKCS #10 specification and another is the Signed Public Key and Challenge SPKAC format generated by some ...

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Selenium Grid Docker Tutorial

1. Introduction In this example set, we will be exploring the functionality of selenium grid on Docker container. We will be deploying the hub and nodes of Selenium Grid on the Docker container and will be linking together so that we could run test cases on the docker container. Environment of the Project: 1. Selenium Grid 3.0.1 2. Maven 4.0 3. TestNG ...

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20 Spring Framework Best Practices

Spring Application Framework has been in action for quite a long time, and programmers have developed several conventions, usage patterns, and idioms during that time period. In this example, we will try to explain some of them and give examples to illustrate how to apply them in your projects. Let’s begin. Table Of Contents 1. Define singleton beans with names ...

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