Category: Uncategorized

6 Fragen an unseren Senior Consultant Dominique

Heute möchten wir euch unseren IT-Berater und Entwickler Dominique vorstellen. Er ist seit November 2020 Teil unseres Teams und Spezialist in Java…

Read more

Machine learning concepts. Neural network training

Machine learning concepts. Network training and evaluation 1. Building a network model according to the problem being solved The neural network model

Read more

Machine learning concepts. Data preparation

Machine learning concepts. Data preparation Each machine learning process related to the use of neural networks consists of at least two parts. The first part is related to data loading and preparation for training. The action is known as ETL (extract, transform, load). The second part concerns the actual training of the network. The overall […]

Read more

Handling Events with Lambda Expressions

Handling Events with Lambda Expressions Lambda Expressions and Functional Interfaces are a new feature of Java 8 and the support provided for lambda expressions is only with functional interfaces. A functional interface is an interface that contains only one abstract method. This is exactly the case with handling events in Java and more accurately for […]

Read more

Implementing REST service architecture

Implementing REST service architecture In the previous article we got a sense of the REST architecture. In this article we will go through the steps of implementing the architecture. Our REST service will provide cryptocurrency predictions. The predictions are persisted in a NoSQL MongoDb database. The first step is to create the model class representing […]

Read more

Missing Authorization header in Angular 7 HTTP response

Missing Authorization header in Angular 7 HTTP response Accessing an API back-end from Angular client may result in missing response headers. A common scenario is a missing Authorization header, containing the JSON Web Token (JWT) which is returned from the back-end service when the user logs in successfully. The solution to the problem is to […]

Read more

Dependency Injection with Spring 5

Dependency Injection with Spring 5 As we learned in the previous chapter dependency injection is a very powerful technique. DI is provided by the Spring 5 Framework implementation of the Inversion of Control (IoC) principle. The actual beauty of Dependency comes when we code to an interface not to an implementation (concrete classes). This enables […]

Read more

Dependency Injection

Dependency Injection What is Dependency Injection? Each Object-oriented application consists of many classes that work together in order to solve a problem. However, when writing a complex application, application classes should be as independent as possible. DI helps in gluing these classes together and at the same time keeping them independent. Dependency injection is a […]

Read more

ViewModel example

View Model. Example In this article we will go through the steps of creating a simple game screen. We will make it the traditional way without using View Model and we will see why it is absolutely wrong to persist data in the View. After that we will refactor the example using a View Model.The […]

Read more

ViewModel

MVVM’s ViewModel implementation in Android application. Architecture Components’ ViewModel What is ViewModel? ViewModel – it is a model of the view. The purpose of the ViewModel is to apply any business logic to the Model before exposing it to the View for consumption. This way the View is free of business logic. Its only purpose […]

Read more