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React Hooks were introduced in React 16.8 to allow functional components to use state and lifecycle features that were previously only available in class components. Hooks provide a more direct and concise way to manage state, side effects, and other React features within functional components. Key Concept State Hook (useState): useState allows functional components to…
Sequential digits are numerical sequences where each digit in a number is incremented by one compared to its predecessor. For example, 123, 234, and 345 are sequential digits because each subsequent number follows a pattern of increasing by one. These sequences are not only intriguing but also have practical applications in mathematics, computer science, and…
Problem Statement: Given an array of integers and a threshold value k, the task is to divide the array into triplets such that the absolute difference between adjacent elements in each triplet does not exceed k. If such division is possible, return the triplets; otherwise, return an empty array. Approach: To efficiently divide the array…
Introduction: Cross-Origin Resource Sharing (CORS) is an important security feature implemented by web browsers to prevent malicious websites from accessing resources on other domains. In a Micronaut application, configuring CORS properly ensures that your APIs can be accessed securely from web applications hosted on different origins. In this blog post, we’ll explore how to configure…
Introduction: In the realm of Micronaut applications, encountering the “Internal Server Error: Can’t find a codec for class” message can be a frustrating experience. This error typically occurs when Micronaut attempts to serialize or deserialize an object but cannot find a suitable codec for the specified class. In this blog post, we’ll delve into the…
In web applications, serving static files like PDFs is a common requirement, especially when dealing with documents, reports, or downloadable content. Micronaut, a modern JVM-based framework for building microservices and serverless applications, provides convenient features for handling file downloads from controllers. In this blog, we’ll explore how to serve PDF files from a Micronaut controller…
In the realm of algorithmic problem-solving, certain patterns and techniques emerge as powerful tools for tackling a variety of challenges. One such technique involves the clever use of stacks to efficiently solve problems that require finding the next greater element or value in an array. In this blog, we’ll explore how to leverage the stack…
In Kubernetes, administrators and developers may encounter various errors during cluster management and application deployment. One common error is “Couldn’t Get Current Server API Group List,” which can occur when interacting with the Kubernetes API server. This error can disrupt operations and hinder troubleshooting efforts, but understanding its causes and solutions is crucial for maintaining…
NullPointerException (NPE) is a notorious runtime exception that plagues Java developers, often leading to unexpected crashes and errors in their applications. In this blog, we’ll explore the causes of NullPointerExceptions, examine common scenarios where they occur, and provide practical examples and best practices for preventing and handling them effectively. Causes of NullPointerException: Uninitialized Variables: In…
Cyber Security Invloves securing multiple aspect of business which includes application, data, network and physical devices. Today we will explore the Network part of Cyber security and will discuss Zero Trust Principle in great detail. What is Cyber Security? Cybersecurity involves protecting computer systems, networks, and data from unauthorised access and cyber attacks.In today’s digital…