Java
RestControllerAdvice: how to handle exceptions in Spring Boot
Organise and tests the exceptions using ControllerAdvice
Java / Angular / Spring / Cloud
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Production notes, compatibility guides, and hard-won lessons for Java, Spring Boot, Angular, cloud, databases, and developer tooling.
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Latest updates Total 195 deep posts
Angular
Unsaved changes warning in Angular
How to warn the user before to leaving the page with unsaved changes
Spring
Building a Java Angular application tutorial and best practices
Step-by-step guide to building a full-stack Java and Angular application. Covers setup, deployment, error handling, and best practices for a production-ready app.
Spring
How to force or override the version of a dependency in Maven
Override the version of a third party library in Maven
Angular
Angular PWA on iOS 17: "Safari can't open the page.
How to solve "FetchEvent.respondWith TypeError: Internal error"
Angular
Angular momentjs and the optimization bailouts warning - Luxon
momentjs migration and commonjs dependencies - dayjs and luxon
Spring
Sign-up the newsletter
If you want to get notifications when a new article is updated or added, you can subscribe my newsletter. It would be nice to create a
Spring
Spring Boot 3.1.2: This method cannot decide ... error
Causes and solutions for the Spring Boot 3.1.2 error: This method cannot decide whether these patterns are Spring MVC patterns or not.
Azure
Azure DevOps pipelines: skip on error
How to continue with the Azure DevOps workflow even if a step fails
Angular
Angular Material: Display a tooltip on a disabled button
Why the tooltip does not appear? How we can fix it?
Angular
Configure Cypress to wait the Java backend in a Docker based CI
How to configure Cypress with Docker to test an Angular/Spring Boot application
Angular
Difference between npm ci and npm install
Understanding the Difference Between "npm install" and "npm ci" in Angular
Angular
Angular Material: File Upload component tutorial
How to create an input file with Angular Material and unit test input file
Privacy
2FA OTP Authentication using OpenSource application, privacy included
Protect your privacy when you authenticate
Angular
Should I upgrade to Angular 16?
Angular 16 new features
Angular
How to store user information between sessions in a Cookie in Angular
Store the user preferences in the browser
Privacy
Visual Studio Code with Privacy enabled
Protect your privacy when you develop
Spring
Spring: Autoconfiguration package and the missing JPA Entities (Not a managed type error)
Configure Spring Boot a multi module project with JPA entities in a different module.
Python
PySpark setup, common errors Py4JError and StorageUtils$
Setup PySpark, errors and small problems
Angular
Deploy Angular with Spring Boot in the same executable JAR
Tutorial: How to build an Angular 15 and Spring Boot 3 app in a single JAR. Maven configuration.
Firefox
Firefox: Response has been truncated
Firefox: solve the `Response has been truncated` error and show the complete JSON
Angular
How to configure development and production server in Angular
Angular: Use tsconfig or proxyConfig to easily configure your environment
Spring
@PostConstruct and @PreDestroy examples in Java
How execute code when your Spring Boot application starts / end
Spring
Deploy a Java Web App in DigitalOcean using GitHub Actions
How to deploy a maven application in DigitalOcean directly from GitHub