"Nested subscriptions are bad programming style". That is, what many programmers tell us. But: how can we get rid of nested subscriptions? In this little step-by-step tutorial, we will demonstrate how to use flatMap to improve an Angular 6 based REST…
Consuming a REST Service with Angular 4.3+: a Step-by-step Guide
This is an earlier version of a post about consuming a REST service with Angular. A new, fully reworked version for Angular 6+ can be found here. In both versions, I describe how to use angular 4.3+ HttpClientModule. In the…
Angular 6 Docker Example
In this Angular Docker Example, we will take an existing Angular 6 application and run it in a Docker container. We will show, how to create a Docker image in a modern two-stage process. We then will spin up the application…
Decision-Making in Self-Management Organizations Using Systemic Consensus
Frederic Laloux writes in his amazing, world-changing, and ground-breaking book “Reinventing Organizations” that self-management works without consensus. “It is worth repeating that these decision-making processes work without consensus.” He continues that “for some reason, many people naturally assume that in…
Practical Application of Agility Scales’ Value Grid Tool
Imagine the following scenario. You are working as a Scrum Master with a Scrum team in a project. Your Scrum team is one of two Scrum teams in the project working together with a bunch of business analysts. The project…
The Big Picture – The Overarching Change of Mankind
There are groups of people researching different topics, each one in its own finite space, rarely looking beyond their own subject, but all related to the overarching change we are currently going through. There are people talking about modern, agile…
Angular HttpClient Service Interceptors
Check out three new chapters of our blog post on Consuming a REST Services with Angular First, we will separate the HttpClient Service in its own file we will move some functionality from HTTP Template to the component and we…
Consuming a REST Service with Angular 6: a Step-by-step Guide
REDIRECTED to https://vocon-it.com/2017/06/24/consuming-a-restful-web-service-with-angular/ Angular 6 is available, so it is time to update my original post about how to consume an Angular REST API service in Angular. We will learn how to implement a fully functional rest service in a single…
A Brief Opener About Management 3.0
Complexity Everywhere We are living in an ever-increasing complex world. Stephen Hawking, one of our greatest physicists ever once said at the end of the 20th century: I think the next century will be the century of complexity. New management…
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…
Testing the Hetzner Cloud API via cURL — IaaS Automation
In this blog post, we will be testing the Hetzner Cloud API. As a "Hello World" example, we will learn how to add an API key to a project and use the API key to do the following: add an…
Properly move a Website to a new Domain with minimized SEO Losses
Are you planning to move your website to a new domain? Be prepared to lose a large portion of your traffic. In this blog post, we will talk about how to properly move a website to a new domain and how…
GIT remove large binary Files
In this blog post, I will show how to completely remove large files from a GIT repository and its GIT history. I have found many examples on the net, but it was still a challenge to reduce the size of…
Getting Started with DC/OS on AWS
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Getting Started with Hetzner Cloud Service (IaaS)
A week ago, the press has announced a new Cloud Service: Hetzner Cloud is based in Germany but they offer Infrastructure as a Service (IaaS) in the US as well. You can rent computing resources at "unbeatable prices" as they…
Getting Started with DC/OS on AWS
In the step-by-step tutorial Getting Started with DC/OS on Vagrant, we have learned how to install a MesosPhere DC/OS data center operating system locally. This time, we will install a DC/OS system on AWS Cloud: existing AWS CloudFormation templates will help us create…
Angular Universal Docker Example (Angular 4 Universal CLI)
In this previous blog post, I have shown how to dockerize an Angular CLI application using NginX. However, the shown method has worked only for classical, client-side rendered Angular projects. In the current post, we will show an Angular Universal…
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…
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…
Angular 4 Docker Example – for Angular CLI projects
Check out a new Angular 4 Docker Example that has also been tested with Angular 6 here. In this Hello-World-like tutorial, we will show how to run Angular 4 applications that have been created with Angular CLI in a Docker container.…