End to End Technology Solutions
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 »
How Liquibase Works? Liquibase is used to track database changes. It is an Open Source Library. We all have worked in systems where the typical database change operation process was to write DDL, and DML scripts in SQL lines which were source-controlled, and database changes were executed by the developer or by some other team. Continue Reading »
Carina Open Source Testing Tools : Carina is a Java-based test automation framework that unites all testing layers: Mobile applications (web, native, hybrid), WEB applications, REST services, and Databases. Pros ● Carina Framework is built on top of the most popular open-source solutions like Selenium, Appium, and TestNG allowing to reduce dependence on the specific Continue Reading »
Abstraction is a process of hiding the internal details of an application from the world and showing only functionality to the user. Example – A man driving a car. The man only knows that applying brakes will stop the car, but he does not know about the inner mechanism of the car or the implementation Continue Reading »
Figure 1:Features of Java 8 JAVA 8 is one of the major feature releases of “JAVA programming language” development. It is one of the revolutionary releases of the development of software platforms. The initial version of Java 8 was released on 18 March 2014. It is responsible for upgrading Java programming, tools, JVM, and libraries. Continue Reading »
Use Derived Query Methods of Spring Data JPA Repositories instead of writing your own queries. For the simple jpa queries, we generally use @Query annotation to make the queries, but the best practice says that we should use Derived Query Methods instead. Most developers hardly use one or two derived query methods like findById, and Continue Reading »
As you already know everything in JavaScript is an object. One of the objects is so weird in JavaScript called Date(). Today, even experienced devs get nervous with Date() and reach for libraries like ‘date-fns’ and ‘moment’. Yes, you read it at the right moment. which is the most popular library while struggling with date Continue Reading »
The map method holds key and value pair, the key can be any datatype. The map method is the function for every array element and returns the new part. The map method does not change the original array. We can create a map method passing an Array to a new Map(). We can set the Continue Reading »
Introduction: In Java, we have to deal with classes, methods, variables, etc. Let’s suppose we have a class and we need to use variables or methods in different classes/packages. OR we want to specify that a variable or method will be accessed within a defined area. To manage the accessibility of any variables, methods, or Continue Reading »
So performance testing is one of the most important phases of any product launch as it verifies and validates the overall product performance. Performance Testing can be done in different forms depending upon the resource availability and the type and volume of the user base. The main agenda behind conducting performance testing on any product Continue Reading »
The Requirement Traceability Matrix (RTM) is a document that identifies and tracks users’ needs through test cases. It captures all client requirements and tracking requirements in a single document, delivered at the end of the Software Development cycle. The main purpose of the Requirement Traceability Matrix is to ensure that all requirements are assessed using Continue Reading »
Currying is a task that takes one argument at a time and brings back a new task awaiting the next argument. It is a modification of functions that translate function from callable as f (a, b, c) to f (a)(b)(c). In this article, we will look at what currying is in Javascript, why you should Continue Reading »
Hoisting is a phenomenon in javaScript by which you can access variables and functions even before you have initialized them or you have put some value on them. you can access it without any error. Hoisting allows functions to be safely used in code before they are declared. for Example: var x=7; function getName(){ console.log(“hoisting Continue Reading »
What is Software Development Life Cycle (SDLC)? Step by step process of developing an application is known as SDLC. SDLC is a process used by the software industry to design, develop and test high-quality software. Purpose of SDLC It aims to produce quality software that meets customer expectations and reaches completion within time & budget. SDLC Continue Reading »
A trigger is a stored program that gets invoked automatically whenever any event such as insertion, update, or deletion occurs in a table. For instance, whenever we add a new row or delete a row, we can define a trigger that gets triggered automatically through which we can be assured of the proper happenings of Continue Reading »
Github is a code hosting platform that lets you and others work on the same project simultaneously. Github is the largest community of Developers where anyone can contribute to the project. By making a separate branch of the code a dedicated area is assigned to the developer so that there won’t be any clash between Continue Reading »
Higher-Order Components are what they sound like. A function that takes a component and returns a replacement component is an example of a higher-order component. Higher-Order Components in React may be a pattern that stems from React’s nature, which favors composition over inheritance. Consider the following scenario: In the preceding example, a higher-order component could Continue Reading »
Imagine you’re building a UI and you need to connect to an API. When you implement curl calls with the UI, it does not work. You then check the code, and everything seems to be fine. After changing the site or method, it appears that the HTTP call is working. It’s most likely that the Continue Reading »
Basic Documentation SonarQube is an automatic code review tool to detect bugs, vulnerabilities, and code smells in your code. It can integrate with your existing workflow to enable continuous code inspection across your project branches and pull requests. Overview In a typical development process: Developers develop and merge code in an IDE (preferably using SonarLint Continue Reading »
PWA provides the facility where the user can directly install the particular web application as a mobile application without going to the Play Store(Applicable for android only). The user can run the web application as a mobile application with an actual look and feel. In order to call a Web App a PWA it must Continue Reading »
IMPORTANCE OF ACCESSIBILITY Being a creature of the 21st century and speaking of technology, we as humans have upgraded ourselves up to such an extent that our forebears could only ponder. On a factual note, technologies and software affect almost everything we do today and have an impact down the lane. All the advancements in Continue Reading »
MongoDB Atlas is a fully managed cloud database for modern applications.MongoDB Atlas is a cloud that provides MongoDB document model is the fastest way to innovate, bringing flexibility and ease of use to the database. It is easy to build fast, relevant, full-text search capabilities on top of your MongoDB data. MongoDB Atlas makes it Continue Reading »
CSS Grid is a powerful tool that allows for two-dimensional textures to be built on the web. This guide is designed as a tool to help you better understand and read the Grid, and is organized in a way that I think makes a lot of sense as you read. Grid Container Create a grid Continue Reading »
Introduction SQL (Structured Query Language) may be a programing language that’s wont to conduct operations on database records, like updating, inserting, deleting, and creating and altering database tables and views. SQL may be a command language instead of a database system. Assume you would like to use the SQL language to run queries on the database’s data. Any direction system, like Oracle, MySQL, MongoDB, PostgreSQL, SQL Server, DB2, and others must be Continue Reading »
HealthKit is a framework that is provided by apple that helps us in getting and managing user health-related data in a very easy and convenient way. We can integrate HealthKit in any application just by a grant the application to get access to the HealthKit data. so, the user data was easily available to that Continue Reading »
Flexbox – This term is also called the Flexible-Box which was introduced in 2009. It is a CSS3 Layout that provides a way to arrange items within a container, basically, it is a flexible container with several properties namely width, height position, etc. If you’ve used CSS for a while you have probably been using Continue Reading »
As you know kotlin is the official language for Android Development since 2017. Kotlin provides the way in which we can write clear code and make it easy to understand. So, today we will discuss one of the main features of koltin which is known as Scope Functions. There are basically five scope functions in Continue Reading »
The main concept of the Flutter framework is with the famous saying, “In Flutter, Everything is a widget”. So we can say that flutter assumes everything as a widget. Starting from Image, Icon, text, or layout too in an app, is a widget. Even the things which we don’t see in-app, are also widgets like Continue Reading »
Some applications must adjust their layout depending on system configuration in order to have the best user interface. To get the current system details in Flutter, we can use MediaQuery. Creates a subtree where media queries are resolved to the specified data. For example, you can read the MediaQueryData. size property from the MediaQueryData returned Continue Reading »
A push notification is a message which is triggered on mobile devices. Push notification is a message you can display to the user outside of your application’s normal UI. Push notifications look like SMS text messages and mobile alert notifications. Push notifications reach to users only when your app is installed in the device. How to Continue Reading »