Introduction of Redux Flow * Redux is a JavaScript framework for managing state in an application * Redux follows one direction flow of data. * It starts in the view.View means the item on a screen that a user sees. * If a user clicks a button or types something in. This is
CSS has several different units for expressing a length. Many CSS properties take "length" values, such as width, margin, padding, font-size, etc. Length is a number followed by a length unit, such as 10px, 2em, etc. vwRelative to 1% of the width of the viewport* vhRelative to 1%
The ::before and ::after pseudo-elements are incredibly versatile tools in the CSS toolkit. They allow you to insert content onto a page without it needing to be in the HTML. The ::before selector inserts something before the content of each selected element(s). The ::after selector inserts something after the
What is a Test Link? TestLink is an open-source test management tool that is used for project management, bug tracking, and test management. It is a web-based tool that allows you to create test projects and document test cases with ease. TestLink supports both manual and automated testing, and it
Optional chaining is also known as Null Safety. The optional chaining (?.) operator accesses an object's property or calls a function. If the object accessed or function called using this operator is undefined or null, the expression short circuits and evaluates to undefined instead of throwing an error. Syntax:
Mantis Bug Tracker is a free and open source, web-based bug tracking system. The most common use of Mantis Bug Tracker is to track software defects. Advantages of Mantis Bug Tracker : 1) It is open source tool 2) Mantis supports multiple user access projects per example. 3) Email notification to
Storing data in external resource, fetching data from external resource and utilizing in test script. External resource can be 1) property file 2) Excel sheet 3) Data Base Advantages of Data Driven Testing : 1) Allows to test application with multiple sets of data values during Regression testing. 2) Test data
1. Install and configure "Node Version Manager" i.e. nvm - GitHub - nvm-sh/nvm: Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions 2. Use latest LTS version of NodeJS using nvm (right now it's Node v20.9.0(LTS)
$lookup (aggregation) $lookup is thus a stage in the MongoDB aggregation pipeline. $Lookup is used to perform a left outer join between two collections in a MongoDB database. A left outer join combines all the documents or entries on the left with matching documents or entries on the right. Syntax:
MongoDB supports logical query operators. These operators are used for filtering the data and getting precise results based on the given conditions. The following table contains the comparison query operators: Matching values using $and operator: In this example, we are retrieving only those employee’s documents whose status is ACTIVE
MongoDB uses various comparison query operators to compare the values of the documents. The following table contains the comparison query operators: Matching values using $nin operator: In this example, we are retrieving only those employee’s documents whose name is not Daisy or Amruta. //Example db.q_employee.find({name:
Create a new Spring Boot project using start.spring.io 1. Open your browser and navigate to the https://start.spring.io. 2. From the “Project” dropdown, select “Gradle — Kotlin”. 3. Choose “Kotlin” as the language. 4. In the “SpringBoot” section, input the desired Spring Boot version — in this case,
CQRS (Command Query Responsibility Segregation) is a design pattern that suggests separating read and write operations into separate models to improve scalability, performance, and maintainability of the system. In a microservices architecture, CQRS can be applied to separate the command side (write operations) from the query side (read operations) of
What is a variable? A variable is a storage for a value, which can be a string, a number, or something else. Every variable has a name (or an identifier) to distinguish it from other variables. You can access a value by the name of the variable. Declaring variables Before
What is Kotlin? Kotlin is a highly effective modern programming language developed by JetBrains. It has a very clear and concise syntax, which makes your code easy to read. Kotlin is widely used around the world, and its popularity among developers is constantly growing. A sample Kotlin function Here is
We will be using OpenJDK 17. Downloads → OpenJDK: Download and install Install Instructions: Mac: You can install sdkman (Home - SDKMAN! the Software Development Kit Manager ) which can manage multiple installations of java. Also can be used to manage gradle versions. sdk install java 17.0.0-open * Please follow the