Spring Boot 4 provides a modern and efficient way to build REST APIs in Java. When combined with Spring Data JPA, Hibernate 7, and MySQL, it becomes a powerful stack for developing database-driven backend applications. In this tutorial, we will build a complete Spring Boot 4 REST API with MySQL [...]
Read MoreSpring Boot 4 and Hibernate 7 provide a powerful combination for developing modern database-driven Java applications. Spring Boot simplifies application configuration, while Hibernate handles object-relational mapping between Java objects and relational database tables. In this Spring Boot 4 + Hibernate 7 CRUD tutorial, we will build a complete CRUD application [...]
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In this article, I will explain How to Perform Perfect Hashing. What is Perfect Hashing? Perfect hashing is a technique for creating a hash table with no collisions, meaning that each key is uniquely mapped to a single slot in the table. The following steps show how to perform perfect hashing. Performing Perfect Hashing Choose a hash function: A hash […]
In this article, I will explain How to Perform Universal Hashing. What is Universal Hashing? Universal hashing is a technique used in computer science and cryptography to design and implement hash functions that minimize the likelihood of collisions (i.e., when two different inputs produce the same hash value) while still maintaining good average-case performance. Universal hashing is particularly important in […]
In this article, I will explain What is N Queens Problem. Basically, the N Queens Problem is a classic problem in computer science and mathematics. It involves placing N chess queens on an NxN chessboard such that no two queens threaten each other. In other words, no two queens can be placed on the same row, column, or diagonal. In […]
In the following article on Beyond Virtualization: Unleashing the Power of Docker Containers, I will explain Docker Containers. Docker containers have revolutionized the way applications are deployed and managed. Here are some key benefits that demonstrate the power of Docker containers. Portability: Docker containers are lightweight and self-contained, which makes them highly portable. This means that applications can be easily […]
In this article, I will explain the Metrics that Prometheus Uses. Prometheus is an open-source monitoring and alerting system that collects and stores time-series data from various sources. It provides a flexible query language, PromQL, for querying and analyzing metrics, and also supports various metric types. The following list shows some of the metrics that Prometheus uses. Counter: A counter […]
In this article on What are the Metrics that CloudWatch Uses, we will discuss the metrics used by AWS CloudWatch. Amazon CloudWatch is a monitoring and observability service provided by Amazon Web Services (AWS) that collects and stores metrics, logs, and events from AWS resources and applications. The following list shows some of the metrics that CloudWatch uses. CPU Utilization: […]
In this article, we will discuss Performance Monitoring Tools for Docker. There are several performance monitoring tools available for Docker, which allow you to monitor and optimize the performance of your Docker containers and applications. Here are some of the popular tools: Docker Stats: Docker Stats is a built-in tool that provides real-time metrics for CPU usage, memory usage, and […]
The following article explains Advanced Git Concepts like Gitignore, Git Hooks, Git Stash, and Git Rebase. gitignore Create a new Git repository or navigate to an existing one. Create a file named “.gitignore” in the root directory of your project. Open the “.gitignore” file in a text editor. Add patterns to the file to specify which files or directories should […]
The following article explains Git Best Practices. Brief Introduction to Git Best Practices Committing Frequently One of the best practices in Git is to commit frequently. Instead of making large, sweeping changes and committing them all at once, it is recommended to make small, logical changes and commit them separately. In fact, this practice has several benefits. Granularity: By committing […]
The following article on How Does Amazon EBS Differs From S3 Storage highlights important differences between EBS and S3 in AWS. Amazon Elastic Block Store (EBS) and Amazon Simple Storage Service (S3) are both storage services provided by Amazon Web Services (AWS), but they have distinct characteristics and use cases. The following list shows the key differences between Amazon EBS […]