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Spring Boot @Transactional: Rollback and Propagation Strategies

What Is a Transaction? A “transaction” is a fundamental concept in the field of database management and refers to a sequence of one or more operations that are executed as a single unit of work. In the context of databases, a transaction ensures that a group of database operations is performed in an all-or-nothing manner, […]

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Linux Networking: Configuring and Troubleshooting Network Connections

Linux, being a powerful and versatile operating system, is widely used in various networking scenarios, ranging from home networks to enterprise-level setups. Configuring and troubleshooting network connections in Linux is a crucial skill for both system administrators and developers. In this article, we will delve into the essentials of Linux networking, covering the process of […]

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PostgreSQL: Vacuum, Vacuum Analyze and Autovacuum

SQL

When we delete or update a record in postgreSql, it hides the old data. These datas are called dead rows. PostgreSQL doesn’t physically remove the old row from the table but puts a “marker” on it so that queries don’t return that row. A vacuum is used for recovering space occupied by “dead tuples” in […]

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Memory Management in Go: Best Practices and Techniques

Go

Memory management is a critical aspect of any programming language, and Go, being a modern and efficient language, has its own memory management mechanisms. Understanding how memory is allocated, used, and deallocated in Go is essential for writing performant and scalable applications. In this article, we will delve into the memory management techniques used in […]

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Getting Started with Go: An Introduction to the Go Programming Language

Go

Go, also known as Golang, is a modern programming language developed by Google that has gained significant popularity in recent years. Designed with simplicity, performance, and concurrency in mind, Go provides a powerful and efficient toolset for building robust and scalable applications. In this introduction, we will explore the key features and principles of the […]

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Factory Design Pattern in Action: Real-world Examples and Implementation Tips

The Factory Design Pattern is a creational design pattern that provides an elegant and flexible way to create objects in object-oriented programming. It encapsulates the object creation logic within a separate class, known as the factory, which abstracts the process of object instantiation. This design pattern promotes loose coupling between the client code and the […]

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JVM Tuning and Performance Optimization

1. Introduction to JVM Optimization The Java Virtual Machine (JVM) is a fundamental component of the Java platform, enabling the execution of Java programs on different operating systems and architectures. Understanding the JVM’s architecture and its role in executing Java bytecode is crucial for Java developers to build platform-independent and robust applications. The JVM is […]

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Understanding Java Exceptions: A Comprehensive Guide

1. Introduction Start a Java Exception Handling Adventure. Uncover the Basics and Avoid Common Pitfalls. In this article, we will demonstrate the significance of exceptions in Java and showcase best practices. 2. What Is An Exception? In Java, an exception is an unexpected or exceptional event that occurs during the execution of a program, disrupting […]