Making Intellectuals Meet Excellence!
JUnit is a popular open-source testing framework for Java that allows developers to write and run tests for their Java applications. It is widely used for unit testing, which involves testing individual components or methods of an application to ensure they behave as expected. JUnit is a key tool in the Test-Driven Development (TDD) methodology, […]
Podman is an open-source Linux-native tool designed to make it easy to find, run, build, share, and deploy applications using Open Containers Initiative (OCI) Containers and Container Images. This comprehensive guide will walk you through the main concepts of Podman and why it is considered rootless. What is Podman? Podman is a daemonless, open-source, Linux-native […]
AMOLED and OLED have come out on the scene as the leading technologies in the display space these days given the fact that they are able to provide very impressive pictures while being energy efficient. However, there are nuances that differentiate between the two. Let’s take a closer look into the details of these technologies. […]
Java is renowned for its platform independence, a feature that allows Java programs to run seamlessly on any operating system or device with minimal changes. This unique capability is achieved through the Java Virtual Machine (JVM) and its bytecode execution model. How Java Achieves Platform Independence Real-World Example Imagine a company developing an application for […]
The first class with new students is a golden opportunity to set the tone for the rest of the course. Building rapport, making students feel comfortable, and creating an engaging learning environment can enhance their experience and enthusiasm. Here’s a step-by-step guide to help you achieve this: . 1. Begin with a Warm Welcome A […]
In SQL, joins combine rows from two or more tables based on related columns. This is crucial when working with normalized databases to extract meaningful insights. 1. INNER JOIN An INNER JOIN fetches only the rows with matching values in both tables. Example: Consider these tables: Query to perform INNER JOIN SELECT Customers.Name, Orders.Product FROM […]
Handling Large Objects (LOBs) efficiently is crucial when working with large data in Oracle databases. SecureFile LOBs offer a high-performance and storage-efficient solution for managing LOBs in PL/SQL. This blog will explore SecureFile LOBs, their features, and how to use them effectively in PL/SQL. What Are SecureFile LOBs? SecureFile LOBs are an advanced type of LOB storage […]
SQL injection is one of the most common vulnerabilities in database applications. Attackers exploit this vulnerability to manipulate queries, steal data, or compromise systems. This blog explains SQL injection, demonstrates how it occurs, and provides effective prevention strategies, focusing on PL/SQL. What is SQL Injection? SQL injection occurs when attackers insert malicious SQL statements into […]
Terraform can import existing infrastructure resources. This functionality lets you bring existing resources under Terraform management. Terraform is not able to auto- generate configurations for those imported modules, for now, and requires you to first write the resource definition in Terraform and then import this resource. Import will find the existing resource from ID and […]
Minikube is a lightweight Kubernetes cluster that creates a single-node cluster in a virtual machine (VM) on your local machine. It quickly creates a local Kubernetes cluster on macOS, Linux, and Windows. Prerequisites 1. Before installing the minikube it is recommended to install all available updates on your system. sudo apt updatesudo apt upgrade -y […]