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MongoDB is a code-sourced, cross-platform, document-oriented database program developed by Alfons Kemper. Distributed as a NoSQL database program, MongoDB uses JSON-like data with optional schemas What’s special about the Mongoose library when using MongoDB What is so special about the Mongoose library when working with MongoDB Mongoose provides options before and after saving work on Continue Reading »
Introduction: Mobile app development has gained tremendous momentum in recent years, and there are several frameworks available that allow developers to build cross-platform apps efficiently. One such popular framework is Ionic, which allows developers to create hybrid mobile apps using web technologies such as HTML, CSS, and JavaScript. In this blog, we will delve into Continue Reading »
Consider a future in which your company may use advanced artificial intelligence to automate monotonous processes, personalize client interactions, and drive innovation. With its powerful AI capabilities, the GPT-4 API allows enterprises to alter their processes. Organizations can uncover a slew of benefits and transform their operations by incorporating the API into their systems. Integrating Continue Reading »
What is Docker? A platform for building, launching, and delivering applications in a consistent manner. Configure once and run it on any machine where the configuration part will be handled by Docker, and you don’t have to configure it again and again for different machines. Containers After installing the dependencies, it runs in an isolated Continue Reading »
Java 17 was released in September 2021 and it comes with several new features and improvements. In this blog, we will take a closer look at some of the most notable features of Java 17. Sealed Classes (JEP 409) Sealed classes are a new type of class introduced in Java 17. They provide more control Continue Reading »
Query optimization is a technique for obtaining required data in a very efficient manner when we deal with databases which are having a very large amount of data and very complex data. And also there is a scenario i.e. in general queries are tested with a database, which is having very fewer data at the Continue Reading »
Socket.IO is a library that enables bidirectional and event-based communication between clients and servers. Installation: Open Cmd and run the command given below: npm install socket.io-client Import: import * as io from ‘socket.io-client’; Connection: From same domain From different domain In case of different domains, please make sure to enable Cross-Origin Continue Reading »
A temporal dead zone (TDZ) is the area of a block where a variable is inaccessible until the moment the computer completely initializes it with a value. A block is a pair of braces ( {…} ) used to group multiple statements. The temporal Dead Zone is the period of time during which the let Continue Reading »
Java applets are small programs that run on a web browser to perform a specific task. They were introduced with the release of the first version of Java in 1995 and quickly became popular for their ability to add dynamic content to web pages. Applets are essentially mini-programs that are written in Java and run Continue Reading »
In today’s digital world, security is a major concern, and 2-factor authentication (2FA) is one way to increase security. 2FA adds an extra layer of protection to your account by requiring users to provide two forms of authentication to access it. This usually includes something the user knows (such as a password) and something they Continue Reading »
The Meaning of Coalesce is to come together to form one larger group, substance, etc. In SQL, the COALESCE() function is a powerful tool used to handle NULL values in queries. The function takes multiple arguments and returns the first non-NULL value. This function is extremely useful when dealing with NULL values in database tables. Continue Reading »
Function in JavaScript Function is a block of law that is designed to perform a particular task is called JavaScript Function Type of function in JavaScript Named Function Anonymous Function Immediately invoked function expressions Named Function Named function is the function that we define it in the law and also call it. Whenever we need Continue Reading »
Java Predicate is a functional interface that is part of Java.util.function package. It was introduced in Java 8. It represents a single argument function that returns a boolean value. A Predicate takes an input and returns either true or false, depending on the condition that is specified in the function. Using predicate to check if Continue Reading »
Memoization is a powerful technique used in computer science to optimize the performance of functions that are called repeatedly with the same arguments. In JavaScript, memoization is particularly useful for expensive computations that involve complex algorithms or data structures. At its core, memoization involves caching the result of a function based on its input arguments. Continue Reading »
Before discussing into JavaScript pass-by-reference or pass-by-value function, it is known about the difference between primitive and non-primitive. Primitive Values: – Data Types string, number, null, undefined, symbols, and Boolean are primitive values. Primitive values are passed by value in JavaScript. Non Primitive Values: – object, array, and function are non-primitive values. All objects and Continue Reading »
Oracle provides new Java versions every six months. Even before it was launched, the September Java 11 version created quite a stir in the computer science industry by announcing that commercial usage of Java would subsequently be charged. The following articles will highlight major JDK 11 features, advancements, and deprecated functionality. Important Changes and Information: Continue Reading »
Performance tuning is an essential aspect of software development, especially in enterprise-level applications where performance plays a significant role in user satisfaction and system stability. Java, being a popular programming language for enterprise-level applications, provides many tools and techniques for performance tuning. In this blog, we will discuss performance tuning in Java and the best Continue Reading »
Cucumber is a tool that facilitates Behavior-Driven Development (BDD) testing and collaboration among team members. It allows teams to write high-level tests in natural language, which can be understood by both technical and non-technical stakeholders. This blog post will provide an overview of Cucumber, its key features, and how it can benefit teams. What is Continue Reading »
Introduction As someone who has hands-on experience in constructing and leveraging data lakes, I can attest to the transformative power these repositories hold for organizations grappling with vast amounts of data. In this article, I will share practical insights and technologies utilized in building and harnessing the potential of data lakes. Demystifying Data Lakes Data Continue Reading »
In today’s digital age, communication is key. Whether it’s writing an email, drafting a blog post, or creating a social media update, we’re always looking for ways to improve the way we communicate. That’s where a rich text editor comes in. With a rich text editor, you can easily format your text, add images, and Continue Reading »
A unary function is a mathematical function that takes only one argument or input. It is a function of a single variable, which means that it operates on a single operand. The term “unary” comes from the Latin word “unarius” meaning “consisting of one.” For example, the function f(x) = x^2 is a unary function Continue Reading »
Code coverage tools are software programs that measure the extent to which a software application’s source code is tested by a test suite. These tools analyze the source code of an application and determine which lines of code are executed during testing and which lines are not. Here are some popular code coverage tools: JaCoCo: Continue Reading »
What is Rails? Rails is a web application development framework written in the Ruby programming language. It aims to simplify web application programming by assuming what every developer needs to get started. It allows you to write less code and do more than many other languages and frameworks. Experienced Rails developers also report that it Continue Reading »
The actuator is mainly used to expose operational information about the running application — health, metrics, info, dump, env, etc. It uses HTTP endpoints or JMX beans to enable us to interact with it. Once this dependency is on the classpath, several endpoints are available for us out of the box. The main benefit of Continue Reading »
There are several ways to minimize code in React JS.. Here are a few tips: Use functional components: Functional components are simpler and require less code than class components. They are also easier to read and understand. Use destructuring: Destructuring allows extracting specific values from objects or arrays. This can make your code more concise Continue Reading »
Generating a PDF file can be a useful and necessary task in many software applications. PDFPro is a powerful tool that can be used to create PDF files programmatically. In this blog post, we will explore how to generate a PDF file using PDFPro with code, as well as the API that can be used Continue Reading »
In Java, HashMap is a widely used data structure that stores elements in key-value pairs. It provides constant-time performance for basic operations like adding, removing, and accessing elements. The implementation of HashMap relies heavily on the equals and hashCode methods, which are used to ensure the uniqueness of keys and the efficiency of lookup operations. Continue Reading »
Introduction:- Open API (open application programming interface) Open API Generator can generate code based on an Open API yaml specification. We can generate request models, response models, and controllers of API. Following are the steps to create java code from Open API:- Step 1:-Create a yaml file for your API By using this Swagger.io, below Continue Reading »
As per the definition of Javascript Developer, Closure is defined as the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). But what is meant by the terms “enclosed”, “surrounding state“, and lexical environment? No need to worry, we’ll discuss their terms and closure in this article with Continue Reading »
In Javascript, both the spread and rest operators have the same syntax which is three dots(…) but they differ in their function. The main difference between them is that the spread operator expands the array into multiple elements while the resting operator Condenses them into a single element Merge two arrays using the spread operator Continue Reading »