0 comments on “Mesos and Marathon REST API via cURL — A Hello World Example”

Mesos and Marathon REST API via cURL — A Hello World Example

In this hello-world style blog post, we will learn how to create load balanced Docker services in an open source DC/OS & Mesos environment. For that, we will perform Mesos and Marathon REST API calls using simple cURL commands. First, we will…

4 comments on “Angular Universal CLI – Step-by-Step Example with REST Client”

Angular Universal CLI – Step-by-Step Example with REST Client

This time we will learn how to create a small Angular Universal CLI project that is using the WordPress REST service to retrieve and display the title and content of a WordPress blog post. Angular Universal CLI combines the Universal…

2 comments on “Behavior-Driven Angular – Part 2: Inserting REST Data as “innerHTML” into a Web Application”

Behavior-Driven Angular – Part 2: Inserting REST Data as “innerHTML” into a Web Application

Today, we will extend the behavior-driven development example of the previous blog post and add the blog content to the document. Like last time, we will retrieve the HTML content from the WordPress API. Sounds easy, right? We will see that…

6 comments on “Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4”

Behavior-Driven Angular – part 1: Consuming a RESTful Web Service with Angular 4

In this step-by-step tutorial, we will follow a behavior-driven development approach to create an Angular 4 application from Angular CLI. The hello-world-like application will consume the WordPress REST API and it will display a blog post title. We will create…

3 comments on “Hello Java Hipster: Angular 4 and Spring Boot”

Hello Java Hipster: Angular 4 and Spring Boot

In this blog post, Java Hipster will help us creating a mini blog application based on Angular 4 and Spring Boot. Angular is a popular framework for creating reactive single page applications, while Spring Boot is a robust java-based backend framework…

4 comments on “Angular 4 Universal: Boosting Performance through Server Side Rendering”

Angular 4 Universal: Boosting Performance through Server Side Rendering

This time we will show, how to use server side rendering with Angular 4 (or Angular 2). Like in my previous blog post, we will consume a RESTful Web Service with Angular 4. However, the web page will be displayed…

0 comments on “Vagrant on CentOS 7 – Setting up Test Environments the easy Way”

Vagrant on CentOS 7 – Setting up Test Environments the easy Way

After stumbling upon several guides still describing a Vagrant installation via a RubyGem - which is no longer supported - the following article was created and will provide a quick setup guide on how to setup Vagrant on CentOS 7.…

12 comments on “Angular 6 REST API Example — Angular 6 Consume REST API — Step-by-Step”

Angular 6 REST API Example — Angular 6 Consume REST API — Step-by-Step

Angular 6 is available, so I have decided to bring my instructions about Consuming a REST Service with Angular to the next level. In this step-by-step hello-world-style tutorial, you will be lead through following steps: installation of Angular CLI v6 in a CentOS docker container retrieval of HTML code data from the WordPress API display of the retrieved HTML code in a browser

3 comments on “Getting Started with DC/OS on Vagrant”

Getting Started with DC/OS on Vagrant

In the course of this Hello World style tutorial, we will explore DC/OS, a Data Center Operating System developed and open sourced by Mesosphere with the target to hide the complexity of data centers. We will install DC/OS on your local PC or Notebook…

2 comments on “Jenkins Part 6: Automated Cross Browser Testing via BrowserStack”

Jenkins Part 6: Automated Cross Browser Testing via BrowserStack

With the BrowserStack cloud-based solution, there is no need to buy many different hardware types for testing your web site for many different mobile devices and operating systems. In this blog post, we will learn how to integrate BrowserStack-based automated cross browser tests…

1 comment on “Testing any Browser on any Hardware using BrowserStack – A Protractor Cross Browser Testing Example”

Testing any Browser on any Hardware using BrowserStack – A Protractor Cross Browser Testing Example

This time we will learn how to test any web site (including your front end software) using many different Internet browsers by integrating a cloud-based cross browser test solution named BrowserStack. We will perform Protractor tests for AngularJS using the…

0 comments on “Jenkins Part 5.1: Using the Job DSL for automatic Creation of Jenkins Jobs”

Jenkins Part 5.1: Using the Job DSL for automatic Creation of Jenkins Jobs

Today, we will learn how to use the Jenkins Job DSL Plugin to create new Jenkins jobs at a push of a button. We will show how we can use Groovy scripts for defining a "Hello World" Jenkins freestyle project and…

2 comments on “Jenkins Part 4.2: Code Quality Tests via Checkstyle”

Jenkins Part 4.2: Code Quality Tests via Checkstyle

Today, we will show how to use Checkstyle for improving the style of Java code. First, we will add Checkstyle to Gradle in order to create XML reports for a single build. Jenkins allows us to visualize the results of more…

3 comments on “Jenkins Part 4.1: Functional Java Tests via JUnit”

Jenkins Part 4.1: Functional Java Tests via JUnit

You also think that functional tests are one of the most important ingredients for delivering high quality software? You share my opinion that we should help the developer automating this task in order to get comparable results and to receive meaningful trend reports? I…

7 comments on “Jenkins Part 3.1: periodic vs triggered Builds”

Jenkins Part 3.1: periodic vs triggered Builds

Today, we will make sure that Jenkins will detect a code change in the software repository without manual intervention. We will show two methods to do so: Periodic Builds via Schedulers: Jenkins periodically asks the software repository for any code changes…

4 comments on “Getting Started with Mesos Resource Reservation & Marathon Watchdog – A “Hello World” Example”

Getting Started with Mesos Resource Reservation & Marathon Watchdog – A “Hello World” Example

Today, we will introduce Apache Mesos, an open source distributed computing system with the target to allow applications to run on a computer cluster as if it was running on a single computer. On top of a Mesos cluster, we…

5 comments on “Jenkins Part 2: automated Code Download and Build (Gradle + Maven)”

Jenkins Part 2: automated Code Download and Build (Gradle + Maven)

NEW (2017-01-02): you now can immediately start with part 2 (this post) without going through the steps of part 1. A corresponding pre-installed Docker image is provided. NEW (2017-01-05): I have added the Maven build path with a fat executable…