Microservices using Spring Boot

Building Real-World Microservices with Spring Boot 3: A Step-by-Step Guide

In this comprehensive tutorial, we'll explore the world of microservices using the latest Spring Boot 3 framework. We'll create a real-world video streaming app, covering all essential aspects of microservice development. We will start with...

Encryption and decryption in flutter

This tutorial explores the data encryption and decryption using the dart language for the flutter apps. We come across the requirements of encrypting and decrypting data when we start building real-world applications. For supporting...

JavaFX Custom Shaped Buttons

JavaFX provides effective ways to customize the shape of most of the components. In this tutorial, we will learn how to set a custom shape for the JavaFX Button component. Creating custom shaped buttons We can...
Java Webp Tutorial

Java WebP Image Support – Read and Save WebP Images

WebP is a new generation image format developed by Google exclusively for the Web. It has both lossy and lossless compression support. When compared to the commonly used formats like JPEG, WebP has 25%-34%...
Dart syntax highlight for Wordpress

Dart/Flutter code highlighting for WordPress

The WordPress's SyntaxHighligter Evolved is a great plugin for syntax highlighting. It supports a ton of syntaxes and has a lot of customization. However, when I started making flutter tutorials, the plugin did not...

Send email from Java application using Java Mail API

Java Mail API allows to send emails from your Java application. Very often it will be necessary to send emails when you are developing a business related applications or simply hobby projects. Using...

Flutter ElevatedButton Tutorial (2022)

In this tutorial, we will explore the ElevatedButton widget in Flutter. ElevatedButtons are, as the name suggests, buttons with a depth or elevation. They will stand on top of the container with a shadow....

JavaFX Communication Between Controllers

When you begin with JavaFX, one problem you might come up with is the communication between different controllers to communicate between scenes. In this article, we will see how to properly communicate between two...
Flutter OutlinedButton Tutorial

Flutter OutlinedButton Tutorial (2022)

An OutlinedButton is a button with text child and a border outline. It is also a form of TextButton with an outline. They are used in the places where the button needs medium importance....

How to fix ” Permission denied (publickey) ” issue in Gitlab

When you try to clone private repositories for the first time from an account, you may get following error. Permission denied (publickey). Permission denied (publickey) fatal : Could not read from remote repository Please make sure you have...
JavaFX Checkcombobox controlsfx

JavaFX CheckComboBox

JavaFX CheckComboBox is a special UI control provided by ControlsFX. It is used for giving option to users to select more than one item from a Combobox. It is an extremely useful component you...
Flutter for desktop tutorial

Create your first flutter desktop application – Flutter tutorial

Flutter is the new developer-friendly cross-platform open-source framework developed by Google. The flutter community is growing and as of 2022, with flutter 3, it is stable for Android, iOS, Web and Desktop platforms! Flutter...
APT/DPKG error because of fileoverwrite

How to fix “trying to overwrite …, which is also in package …” issue...

Let's see how to solve the problem of apt or dpkg failing to install packages due to errors like the following. This is happening because the new package you are trying to install is...

JavaFX Scene Switch Animation

We all love JavaFX for its modern look and easy to use user interface APIs. In this article we will discuss about JavaFX Scene Switch (Change) animation. I have implemented two types of scene...

How to Create Barcodes as Batches (Bulk creation)

You can create barcodes for any alphanumeric combination using Zint Barcode Generator. Download Zint Barcode Studio From http://sourceforge.net/projects/zint/. It is available for both windows and Linux. Generating One Barcode at a Time Open The Software and Type the Data...
Java GIF Tutorial

Create animated GIF from multiple images in Java

In this tutorial, we will learn how to programmatically create animated GIF by combining multiple images in java easily. We will make use of the library gifencoder for this purpose. Add the 'gifencoder' library to...

Emulating Fingerprint in Android Emulator

Android Emulators are simply the best way to test our application during development or when we want to use apps on PC. Currently, fingerprint smartphones are not that common, but surely, it will become...

JavaFX Get Screen Size

JavaFX provides an easy option to get screen dimensions (screen size) of all the monitors connected. This can be done using the javafx.stage.Screen class. Get Screen Size of Primary Monitor import javafx.application.Application; import javafx.geometry.Rectangle2D; import javafx.stage.Screen; import javafx.stage.Stage; public class Main...
JavaFX DatePicker Tutorial

JavaFx DatePicker Tutorial

In this tutorial, we will talk about JavaFX DatePicker basic usage, how to format the selected date using DateTimeFormatter to string value, and customize the component using JavaFX CSS. Using JavaFx DatePicker DatePicker is a standard...