In this short tutorial you will learn how to use adb command to install an APK on a specific Android device if more than one is connected to your computer. adb – List Android Devices Attached To list all Android devices connected to your computer use the following command: adb devices or adb devices -l…
Read More adb – Install APK on Specific DeviceThis tutorial will teach you how to build a Maven-based Spring Boot project and skip Unit tests. Sometimes, when working on a project, we need to build and run it even though our Unit test is failing. When there is a flailing Unit test, the Maven package and install commands will also fail. This is because…
Read More How to Skip Unit Tests in MavenIn this Android tutorial you will learn how to pass data between Android Activities. You will learn how to pass data forward from activity A to activity B and also how to return result from activity B to activity A. Let’s get started. Pass Data From One Android Activity to Another (Forward) To pass data…
Read More Pass Data Between Android ActivitiesIn this short Android tutorial I am going to share with you how to start a new Activity when Button is clicked. To be able to follow this tutorial you will need to have an Android project created. I have created a very simple project with one MainActivity. Add Button to Main Activity To add…
Read More How to Start New Activity on Button ClickIn this tutorial, you will learn how to use Spring Cloud Bus to notify running Microservices about the changes in the Spring Cloud Config property file. Running Microservices will be updated with new properties stored in Spring Cloud Config file without the need for you to restart them. This way you can update values in…
Read More Spring Cloud Bus – Refreshing Config ChangesIn this tutorial, you will learn how to download, install and run Rabbit MQ on your computer. I will also show you how to change the default Rabbit MQ Administrator password and create a new user. You might also be interested to learn how to run RabbitMQ in a Docker container or use RabbitMQ with…
Read More Rabbit MQ – Download, Install and Change PasswordIn this tutorial, you will learn how to use @Email and@Validated annotations to validate an email address in the Spring Boot application. The value of the email address we will read from an HTTP GET request. If you are looking for an example of validating the email address sent in the HTTP POST request, please…
Read More Validate Email Address in Spring BootIn this tutorial, I am going to share with you how to allow access to your Microservice from an IP address of Zuul API Gateway only. For a step by step series of video lessons, please check this page: Spring Boot Microservices and Spring Cloud. In my previous tutorial, I have shared with you how…
Read More Allow Only IP Address of Zuul API GatewayIn this tutorial, you will learn how to use Zuul API Gateway to enable the load balancing of your RESTful Web Services registered with Eureka Discovery Service. For a step by step series of video lessons, please check this page: Spring Boot Microservices and Spring Cloud. Because Zuul API Gateway internally uses Ribbon Load Balancer…
Read More Zuul and Eureka – Load Balancing ExampleIn this tutorial, you will learn how to create and run your own Zuul API Gateway and how to register with it more than one Spring Boot Microservice. To be able to follow this tutorial you need to know how to create simple RESTful Web Services with Spring Boot. If you need to review that,…
Read More Zuul API Gateway TutorialIn this tutorial, you will learn how to start up your own Spring Cloud API Gateway and how to make it route HTTP Requests sent to a registered with Eureka Discovery Server Microservice. I will also show you how to register more than one Spring Boot Microservice with Eureka and how to configure your Spring…
Read More Spring Cloud API Gateway TutorialIn this tutorial, you will learn how to create a Web Service or a Microservice and how to make it register with Eureka Discovery Server. For a step-by-step series of video lessons, please check this page: Spring Boot Microservices and Spring Cloud. Start Eureka Discovery Server To be able to follow this tutorial, you will…
Read More Register Microservice(Eureka Client) with Eureka ServerIn this tutorial, you will learn how to startup your own Eureka Discovery Server, so that the Microservices you build can register with this server and become discoverable by other Microservices. To learn how to setup Eureka Cluster, read the Eureka Server Cluster Setup tutorial. For a step by step series of video lessons, please…
Read More Eureka Discovery Server TutorialSpring Boot has a nice feature that enables the application to automatically restart when you change your Java code. This automatic restart of your application is often called Hot Swap. Spring Boot Dev Tools Dependency To enable your Spring Boot application to automatically restart when you make a change to your Java code, add the…
Read More Spring Boot Hot Swap or Automatic RestartThis tutorial will teach you how to use constructor-based dependency injection(DI) in Spring Framework when building RESTful Web Services. Read the following tutorial to learn about the different types of dependency injection in Spring and which one may be better suited for your specific use case. Constructor-Based Dependency Injection Overview Constructor-based dependency injection is a…
Read More Spring Constructor-Based Injection