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Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
# How to Fix the "Can not deserialize instance of java.util.ArrayList out of START_OBJECT token" Error So, you encountered the dreaded "Can not deserialize instance of java.util.ArrayList out of START_OBJECT token" error. Don't worry, you're not alone! Th
How to determine programmatically the current active profile using Spring boot
## 🌐 How to determine programmatically the current active profile using Spring Boot? 🤔 Hey there, tech enthusiasts! 👋 Are you using Spring Boot for your projects and wondering how to programmatically determine the current active profile? Well, you've c
Spring Boot and multiple external configuration files
# Spring Boot and Multiple External Configuration Files: Defying Defaults 💥 Are you struggling with multiple property files and configuration overrides in your Spring Boot application? 🤔 Don't worry, we've got your back! In this guide, we'll walk you th
Error creating bean with name "entityManagerFactory" defined in class path resource : Invocation of init method failed
# Easy Solutions for "Error creating bean with name 'entityManagerFactory' defined in class path resource" error Hey there fellow developers! 👋 Have you been working on your Spring project and encountered the dreaded "Error creating bean with name 'enti
How to return a custom object from a Spring Data JPA GROUP BY query
# How to return a custom object from a Spring Data JPA GROUP BY query 😎💪 So you're working on a Spring Boot application, utilizing the power of Spring Data JPA for your data access needs. You've come across a situation where you need to perform a GROUP
How to get active user"s UserDetails
📝👩💻**Hey there, fellow tech enthusiasts!**👋 In this blog post, we'll tackle a common issue that arises when trying to retrieve the active user's UserDetails in a Spring application. Fortunately, there's a practical and elegant solution to this problem
JavaScript, Node.js: is Array.forEach asynchronous?
## Is Array.forEach Asynchronous in JavaScript and Node.js? 🤔 Are you wondering if the `Array.forEach` method in JavaScript and Node.js is asynchronous? 🤔 You're not alone! Many developers have had this question while working on their projects. In this
Spring MVC - How to return simple String as JSON in Rest Controller
# How to Return a Simple String as JSON in a Spring MVC Rest Controller 😎💡 So you have a Spring MVC Rest Controller and you want to return a simple string as JSON in the response body. You might think it's as easy as returning the string directly, but S
How do I measure the execution time of JavaScript code with callbacks?
📝 **Tech Blog Post: How to Measure Execution Time of JavaScript Code with Callbacks⁉️** 👋 Hey there, tech enthusiasts! 👩💻👨💻 Are you struggling with measuring the execution time of JavaScript code with callbacks? Do you want to accurately track th
Unit testing with Spring Security
# Unit Testing with Spring Security: Simplifying Authentication for Your Tests 🛡️ 👋 Welcome to our blog! Today, we'll address a common issue that many developers face when unit testing with Spring Security. We'll provide you with easy solutions to simpl