Free Online Tutorial For Programmers, Contains a Solution For Question in Programming. Quizzes and Practice / Company / Test interview Questions.
The list of most popular programming languages
Quicksort How it works Quicksort starts iteration by Picking a Pivot element, Pivot can be chosen from the: The first element of an array or Last element of an array or The middle element of an array or Any random element of an array, It follows the principle…
What is Angular, Introduction And Features, Angular is a platform and framework for developing client-side dynamic web and mobile applications. Angular is completely written in TypeScript. Angular is used where web applications are more into CRUD operations. For building Angular applications, has to familiar with HTML, CSS and Object-Oriented…
MongoDB vs MySQL which is better: In this article, we will discuss MongoDB vs MySQL which is better. All technologies have advantages and as well as disadvantages. You can choose the technology that your application needs. Listing the points [su_table responsive="yes" fixed="yes"] MySQL MongoDB Has Referential integrity Has no Referential…
Listing the difference between MongoDB and MySQL. Terminology and Concepts (more…)
MongoDB and its Advantages What is MongoDB, MongoDB is a Database Management System that comes into a NoSQL database category. And MongoDB is an open-source tool. The main feature of MongoDB is its document-oriented Database. MongoDB helps in the scalability and flexibility of high volume data systems. The document…
What are promises in JavaScript Before understanding what are promises in JavaScript, Let's understand the execution flow in the JavaScript. In general, the JavaScript execution model is synchronous as it is a single-threaded. Javascript can execute one task at a time, apart from that it provides some methods like promises…
Node.js online test Node.js online test is a set of questions with multiple-choice. You can choose the most suitable answer. This Question paper contains the questions which are frequently asked in interviews. Node.js online test will show the score once you finish the test. If the score is less you…
Mysql online test is a set of questions with multiple-choice. You need to choose the best suitable answer. This Question paper contains the questions which are frequently asked in interviews. Mysql online test will show the score once you finish the test. If the score is less then we…
Javascript what are closures used for Closure in JavaScript holds the combination of function and the lexical environment within the same function that the lexical environment has been declared. Consider a below example function Person() { var name = 'Rajani'; function displayName() { console.log(name); } displayName(); } Person(); // output…
What is the event loop in node.js, As you might aware that Node.js is not scripting or programming language. It is an asynchronous event-driven JavaScript runtime. Node.js architecture design is almost similar to like Ruby's Event Machine or Python's Twisted. Nodejs starts executing the by entering into event loop…