Bonus Question What problems are Hooks solving? Hooks were introduced in React version 16.8. They help get rid of hefty class components and enable functional components to access the state. Hooks also help in writing minimal code to implement the same logic. For eg. We can use the useEffect...
Coming to the next set of interview questions for web developers, here is a common question for JavaScript. 50. What are undefined and undeclared variables in JavaScript? Variables that have been declared already but not initialized are known as undefined variables. On the other hand, if a vari...
You can find more information on http://test.mosquitto.org//. There’s a provision to set up our own MQTT server and make use of it too. For more visit the following link, Using Node.js MQTT Library - Part 1 Question 43: How can you use Node.js and Angular JS with SQL Server...
1. Why use Bootstrap? Answer: It supports all web browsers like Internet Explorer, Google Chrome, Firefox, Opera, Safari, etc. It is a compelling front-end framework; mobile-first styles are installed with a bootstrap3 framework. It is elementary to start as one needs to have an idea of...
15 Essential C# Interview Question from Toptal C# interview questions from dotnetfunda.com Top 50 C# Interview Questions & Answers 50 C# Coding Interview Questions and Answers 20 C# OOPS Interview Questions and Answers 30+ C# Interview Questions ...
Pure functions only depend on their arguments, thus making unit testing them much simpler. Take a look at this interview. The question was to partially apply an add function. The candidate started each step of the solution with writing unit tests! This is the best demonstration of...
Question-66. If a pointer declared for a class, which operator can be used to access its class members ? Answer- Arrow (->) operator can be used for the same. Question-67. What is difference between including the header file with-in angular braces < > and double quotes ““ ?
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a)When no mock is set up, any interaction on spy results in calling the real methods. But it still allows you to verify the interactions with the spied object – was a method called, how many times the method was called, what were the arguments using which the method was called, etc....
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