HacktoberFest 2020 Experience,Contributing to open source seems to be a very hard thing to do especially for beginners. Every year, hacktoberfest is organised to help open source c...

Cross-Parameter Validation with Spring,With Spring, data validation is a breeze in many common use cases (like validating a method's input parameters) - and is highly recommended f...

Effective Java! Check Parameters for Validity, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effective Java Tuesday! The ...

Loops in Java,An instructional video for my computer science students, this video covers four loops in Java: 原文链接：Loops in Java

Interview Prep: More on Bit Manipulation,Welcome back again to another episode of Interview Prep. We’ve been playing around with Bit Manipulation lately. If you didn’t catch my f...

TIL: Connecting to the host from Testcontainers, Twitter account automation (3 Part Series) 1 Spring Library: Selenium-Docker pool 2 Playing around with Kotlin Sealed Classes 3 TIL...

How to Make Android Apps With Python,In this article, I am gonna show you we can develop android apps on python. An android app is an application developed to operate on the ...

Vim as Java IDE,Yes I know. Vim is not an IDE, it is a text editor. And the original use case of vim is not to be a full blown IDE. But the plugin possibilities and plugin Landscap...

Create CRUD App with Spring Boot and MongoDB,If anyone wants to create a CRUD App, please follow the below link. This is a detailed tutorial. Create CRUD App in Spring Boot and Mon...

Wildcard style search in Java Pattern,Liquid syntax error: Unknown tag 'endraw' 原文链接：Wildcard style search in Java Pattern

Firebase Analytics For Android Shouldn't Be This Hard, Firebase (2 Part Series) 1 Firebase Analytics For Android Shouldn't Be This Hard 2 Google Sign-In on Android using Firebase W...

Spring Boot Part 7: Spring Security, Basic Authentication and Form Login, and Oauth2,(This post has been updated at blog.hcf.dev with a later version of Spring Boot.) This article ...