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19 September 2025
- 07:3407:34, 19 September 2025 diff hist +10 Chapter 04: Developing a Spring Boot Application →4.2.1 Build Management Tools
- 07:3107:31, 19 September 2025 diff hist +4 Chapter 04: Developing a Spring Boot Application →Understanding the Generated Project Structure
- 07:2307:23, 19 September 2025 diff hist +1 Chapter 04: Developing a Spring Boot Application →4.1.2 Creating a Project from the Official Spring Site
- 07:2207:22, 19 September 2025 diff hist +7 Chapter 04: Developing a Spring Boot Application →4.1.2 Creating a Project from the Official Spring Site
- 07:1907:19, 19 September 2025 diff hist +7 Chapter 04: Developing a Spring Boot Application →Chapter 04: Developing a Spring Boot Application
- 07:1507:15, 19 September 2025 diff hist +2 Chapter 04: Developing a Spring Boot Application →4.1.1 Creating a Project in IntelliJ IDEA
17 September 2025
- 08:2408:24, 17 September 2025 diff hist +1 Chapter 03: Setting Up the Development Environment →Installation Steps current
- 08:2408:24, 17 September 2025 diff hist +1 Chapter 03: Setting Up the Development Environment →Setting JAVA_HOME
- 03:5203:52, 17 September 2025 diff hist +2 Chapter 03: Setting Up the Development Environment →Choosing the Right Edition
- 03:5103:51, 17 September 2025 diff hist +4 Chapter 03: Setting Up the Development Environment →Choosing the Right Edition
6 September 2025
- 13:0513:05, 6 September 2025 diff hist +23,876 N Appendix A Kotlin Tips Created page with "<span id="appendix-a-kotlin-tips-for-spring-boot-developers"></span> = Appendix A: Kotlin Tips for Spring Boot Developers = This appendix serves as a practical guide for Java developers transitioning to Kotlin with Spring Boot, as well as a reference for Kotlin developers looking to leverage Spring Boot more effectively. Throughout the book, we’ve explored comprehensive Spring Boot development with Kotlin. Here, we consolidate the most important Kotlin-specific patter..." current
- 13:0313:03, 6 September 2025 diff hist +72,824 N Chapter 13: Service Authentication and Authorization Created page with "<span id="chapter-13-service-authentication-and-authorization"></span> = Chapter 13: Service Authentication and Authorization = Security is not an afterthought in modern application development—it’s a fundamental requirement from day one. In this comprehensive chapter, we’ll explore how to implement robust authentication and authorization in Kotlin Spring Boot applications using Spring Security, JWT tokens, and modern security patterns. We’ll start with securit..." current
- 13:0313:03, 6 September 2025 diff hist +70,613 N Chapter 12: Server-to-Server Communication Created page with "<span id="chapter-12-server-to-server-communication"></span> = Chapter 12: Server-to-Server Communication = Modern applications rarely operate in isolation. They need to communicate with external APIs, microservices, payment processors, notification services, and countless other systems. In this chapter, we’ll explore the various approaches Spring Boot provides for server-to-server communication and how to implement them effectively in Kotlin. We’ll examine three p..." current
- 13:0213:02, 6 September 2025 diff hist +51,533 N Chapter 11: Using Actuator Created page with "<span id="chapter-11-using-actuator"></span> = Chapter 11: Using Actuator = Spring Boot Actuator is one of the most valuable features of the Spring Boot ecosystem, providing production-ready monitoring, metrics, and operational insights out of the box. In this chapter, we’ll explore how to effectively use Actuator in Kotlin-based Spring Boot applications to gain deep visibility into your application’s health, performance, and behavior. Actuator transforms your appl..." current
- 13:0113:01, 6 September 2025 diff hist +83,243 N Chapter 10: Validation and Exception Handling Created page with "<span id="chapter-10-validation-and-exception-handling"></span> = Chapter 10: Validation and Exception Handling = Building robust applications requires more than just functional code—it demands comprehensive validation and exceptional exception handling. In this chapter, we’ll explore how to implement effective validation strategies using Kotlin with Spring Boot and Hibernate Validator. We’ll cover everything from basic bean validation to sophisticated custom vali..." current
- 13:0013:00, 6 September 2025 diff hist +28,020 N Chapter 09: Relationship Mapping Created page with "<span id="chapter-09-relationship-mapping"></span> = Chapter 09: Relationship Mapping = Modeling relationships between entities is one of the most critical aspects of building a data-driven application. Get it right, and your application will be performant and maintainable. Get it wrong, and you’ll face the dreaded N+1 problem, lazy loading exceptions, and performance nightmares. In this chapter, we’ll explore how to properly map relationships in JPA with Kotlin, un..." current
- 12:5012:50, 6 September 2025 diff hist +35,170 N Chapter 08: Utilizing Spring Data JPA Created page with "<span id="chapter-08-utilizing-spring-data-jpa"></span> = Chapter 08: Utilizing Spring Data JPA = Spring Data JPA is a powerful abstraction layer that simplifies database access while providing sophisticated query capabilities. In this chapter, we’ll explore advanced features that go beyond basic CRUD operations, helping you leverage the full power of Spring Data JPA with Kotlin. <span id="creating-the-project"></span> == 8.1 Creating the Project == Let’s create a..." current
- 12:4912:49, 6 September 2025 diff hist +92,712 N Chapter 07: Writing Test Code Created page with "<span id="chapter-07-writing-test-code"></span> = Chapter 07: Writing Test Code = Testing is crucial for building reliable Spring Boot applications. In this chapter, we’ll explore comprehensive testing strategies using modern Kotlin testing frameworks. You’ll learn about unit testing, integration testing, test patterns, and how to use Kotest, MockK, and other tools to create maintainable test suites. We’ll also cover test-driven development practices and code cove..."
- 12:4812:48, 6 September 2025 diff hist +71,614 N Chapter 06: Database Integration Created page with "<span id="chapter-06-database-integration"></span> = Chapter 06: Database Integration = In this chapter, we’ll explore how to integrate Spring Boot applications with PostgreSQL using Kotlin. We’ll cover the challenges of using Kotlin with JPA/Hibernate and provide practical solutions. You’ll learn how to set up database connections, design entities, implement repositories, and integrate with your service layer while maintaining type safety and leveraging Kotlin’..." current
- 12:4712:47, 6 September 2025 diff hist +49,913 N Chapter 05: Various Ways to Write APIs Created page with "<span id="chapter-05-various-ways-to-write-apis"></span> = Chapter 05: Various Ways to Write APIs = In this chapter, we’ll explore the different approaches to building REST APIs with Spring Boot and Kotlin. We’ll cover everything from basic controller setup to advanced documentation and logging strategies. By the end of this chapter, you’ll understand how to create robust, well-documented APIs that follow modern best practices. <span id="project-configuration"></..." current
- 12:4612:46, 6 September 2025 diff hist +28,556 N Chapter 04: Developing a Spring Boot Application Created page with "<span id="chapter-04-developing-a-spring-boot-application"></span> = Chapter 04: Developing a Spring Boot Application = It’s time to write code! In this chapter, we’ll create our first Spring Boot application with Kotlin, explore the project structure, understand build configuration, and get our “Hello World” running. By the end, you’ll have a solid foundation for building real applications. <span id="creating-a-project"></span> == 4.1 Creating a Project ==..."
- 12:4512:45, 6 September 2025 diff hist +19,104 N Chapter 03: Setting Up the Development Environment Created page with "<span id="chapter-03-setting-up-the-development-environment"></span> = Chapter 03: Setting Up the Development Environment = Getting your development environment right from the start will save you countless hours of frustration. In this chapter, we’ll walk through setting up a professional Kotlin and Spring Boot development environment that will serve you well throughout your journey. <span id="installing-java-jdk"></span> == 3.1 Installing Java JDK == Spring Boot 3...."
- 12:4412:44, 6 September 2025 diff hist +33,086 N Chapter 02: Foundational Knowledge Before Development Created page with "<span id="chapter-02-foundational-knowledge-before-development"></span> = Chapter 02: Foundational Knowledge Before Development = Before we dive into writing code, let’s establish a solid foundation of concepts that will make you a more effective Spring Boot developer. Understanding these principles will help you make better architectural decisions and write more maintainable applications. <span id="server-to-server-communication"></span> == 2.1 Server-to-Server Comm..." current
- 12:4212:42, 6 September 2025 diff hist +11,492 N Chapter 01: What is Spring Boot? Created page with "<span id="chapter-01-what-is-spring-boot"></span> = Chapter 01: What is Spring Boot? = Welcome to the world of Spring Boot with Kotlin! If you’re reading this, you’re likely looking to build modern, robust backend applications using one of the most powerful framework combinations available today. In this chapter, we’ll explore what makes Spring Boot special and why pairing it with Kotlin creates such a compelling development experience. <span id="spring-framework..." current
- 12:3812:38, 6 September 2025 diff hist +635 N Spring Boot with Kotlin (2025) Created page with "* Chapter 01: What is Spring Boot? * Chapter 02: Foundational Knowledge Before Development * Chapter 03: Setting Up the Development Environment * Chapter 04: Developing a Spring Boot Application * Chapter 05: Various Ways to Write APIs * Chapter 06: Database Integration * Chapter 07: Writing Test Code * Chapter 08: Utilizing Spring Data JPA * Chapter 09: Relationship Mapping * Chapter 10: Validation and Exception Handling * Chapt..." current
- 12:3712:37, 6 September 2025 diff hist +36 Main Page →Books
- 12:3312:33, 6 September 2025 diff hist +13 Main Page →Articles
- 12:3312:33, 6 September 2025 diff hist −15 Main Page No edit summary
- 12:2912:29, 6 September 2025 diff hist +260 Main Page →Articles
4 September 2025
- 15:1315:13, 4 September 2025 diff hist +2,151 N Make Uploaded Files Private in MediaWiki (Logged-In Only) Created page with "<span id="move-the-images-folder-out-of-the-web-root"></span> === 1. Move the <code>images/</code> folder out of the web root === * By default, uploaded files are in <code>yourwiki/images/</code>. * Move this folder '''outside the public web root''' so people can’t access it directly through a URL. ** Example: instead of <code>/var/www/html/wiki/images/</code>, put it in <code>/var/www/private/images/</code>. ----- <span id="configure-wguploaddirectory-and-wgupload..." current
- 15:0915:09, 4 September 2025 diff hist +64 Main Page →Articles
- 08:3008:30, 4 September 2025 diff hist −328 Essential MediaWiki Syntax You Need to Know →6. Tables current
- 08:2708:27, 4 September 2025 diff hist +8,947 N Essential MediaWiki Syntax You Need to Know Created page with "<span id="basic-text-formatting"></span> === 1. Basic Text Formatting === This is the foundation for making your text stand out. {| class="wikitable" |- ! style="text-align: left;"| Feature ! style="text-align: left;"| Syntax ! style="text-align: left;"| Example Input ! style="text-align: left;"| Example Output |- | style="text-align: left;"| '''Italic Text''' | style="text-align: left;"| Two apostrophes | style="text-align: left;"| <code>''This text is italic.''</code..."
- 08:2508:25, 4 September 2025 diff hist +50 Main Page →Articles
- 08:1808:18, 4 September 2025 diff hist +11,919 N Git Monorepos Explained: From Basics to Advanced Features Created page with " <span id="strategies-for-managing-a-monorepo"></span> === ## Strategies for Managing a Monorepo === When a monorepo grows large, checking out the entire codebase becomes slow and consumes a lot of disk space. Modern Git provides two key features to handle this. <span id="sparse-checkout"></span> ==== 1. Sparse Checkout ==== Sparse checkout allows you to check out only a specific subset of files and directories from the repository, even though you’ve cloned the enti..." current
- 08:0708:07, 4 September 2025 diff hist +64 Main Page →Articles
3 September 2025
- 06:4406:44, 3 September 2025 diff hist +7,273 N Installing Certbot on Amazon Linux 2023 via EPEL or pip Created page with "You’re right - Amazon Linux 2023 doesn’t include snapd in its repositories. Let’s use the native approach with <code>certbot</code> directly from the EPEL repository or Python pip. Here’s the corrected method for AL2023: <span id="step-1-install-certbot-corrected-for-al2023"></span> == Step 1: Install Certbot (Corrected for AL2023) == <span id="option-a-using-python-pip-recommended-for-al2023"></span> === Option A: Using Python pip (Recommended for AL2023) ===..." current
- 06:4306:43, 3 September 2025 diff hist +62 Main Page →Articles
- 06:4106:41, 3 September 2025 diff hist +7,624 N Step-by-Step Guide to Installing and Configuring Nginx on Amazon Linux 2023 (ARM Graviton EC2) Created page with "<span id="complete-nginx-setup-guide-for-amazon-linux-2023-on-arm-graviton"></span> == Complete Nginx Setup Guide for Amazon Linux 2023 on ARM Graviton == <span id="step-1-update-and-prepare-the-system"></span> === Step 1: Update and Prepare the System === First, connect to your EC2 instance via SSH and update the system: <syntaxhighlight lang="bash"># Update the system packages sudo dnf update -y # Check your system information (optional but useful) uname -a cat /et..." current
- 06:4006:40, 3 September 2025 diff hist +101 Main Page →Articles
- 06:3806:38, 3 September 2025 diff hist +6,375 N Step-by-Step Guide to Installing and Configuring Docker on AWS t4g.micro (Amazon Linux 2023, ARM64) Created page with " <span id="step-1-update-system-and-verify-architecture"></span> == Step 1: Update System and Verify Architecture == <syntaxhighlight lang="bash"># Update all packages sudo dnf update -y # Verify you're on ARM64 architecture uname -m # Should output: aarch64 # Verify Amazon Linux version cat /etc/os-release | grep PRETTY_NAME # Should show: Amazon Linux 2023</syntaxhighlight> <span id="step-2-install-docker-and-enable-auto-start"></span> == Step 2: Install Docker and..." current
- 06:3706:37, 3 September 2025 diff hist +106 Main Page →Articles
- 06:3606:36, 3 September 2025 diff hist +4,427 N Optimized MySQL/MariaDB Configuration for AWS t4g.micro (1 vCPU, 1 GB RAM) Created page with "The t4g.micro has 1 vCPU and 1 GB of RAM, so we need to be very conservative with memory usage. <pre> # MySQL/MariaDB optimization for AWS t4g.micro (1 vCPU, 1GB RAM) # Graviton2 ARM processor optimization # Place this file in /etc/my.cnf.d/graviton-optimization.cnf [mysqld] # === Memory Settings (Conservative for 1GB RAM) === # Total memory usage should stay under ~400-500MB to leave room for OS and other processes # InnoDB Buffer Pool - Most important memory setting..." current
- 06:3206:32, 3 September 2025 diff hist +81 Main Page →Articles
- 06:3106:31, 3 September 2025 diff hist +8,210 N Comprehensive Guide to Installing, Configuring, and Securing MySQL on Amazon Linux 2023 ARM64 Created page with "<span id="system-update-and-mysql-installation"></span> == 1. System Update and MySQL Installation == First, update your system and install MySQL: <syntaxhighlight lang="bash"># Update the system packages sudo dnf update -y # Install MySQL server (MariaDB is the default on AL2023) sudo dnf install -y mariadb105-server mariadb105 # Verify the installation and ARM64 compatibility rpm -qi mariadb105-server | grep Architecture</syntaxhighlight> '''Note:''' Amazon Linux 2..." current
- 06:2806:28, 3 September 2025 diff hist +100 Main Page →Articles
2 September 2025
- 15:3615:36, 2 September 2025 diff hist −711 Main Page No edit summary
- 15:3615:36, 2 September 2025 diff hist −52 Main Page →Articles
- 15:3515:35, 2 September 2025 diff hist +9,457 N The Ultimate Guide to Mastering the Amazon Q CLI Created page with "<span id="the-ultimate-guide-to-mastering-the-amazon-q-cli"></span> = The Ultimate Guide to Mastering the Amazon Q CLI = This is a comprehensive guide to using Amazon Q with the Command Line Interface (CLI). Of course, here is a step-by-step technical guide on how to use Amazon Q with the Command Line Interface (CLI). <span id="introduction-what-is-amazon-q"></span> == Introduction: What is Amazon Q? == Amazon Q is a generative AI-powered assistant from Amazon Web Se..." current
- 15:3415:34, 2 September 2025 diff hist +3,503 N Converting CBZ to EPUB with Calibre Created page with "<span id="converting-cbz-to-epub-with-calibre"></span> === ## Converting CBZ to EPUB with Calibre === Calibre is a versatile, open-source ebook manager that can handle a wide variety of formats, including the conversion you need. ----- <span id="step-1-download-and-install-calibre"></span> === #### Step 1: Download and Install Calibre === First things first, you’ll need to get Calibre on your Mac. # '''Visit the Calibre website''': Open your web browser and go to..." current