Wissen Technology Python and Django Developer Interview Questions and Answers for Experienced

Q1. Simple technical interview
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Q2. Difference between html and html5, flexbox,
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HTML is the standard markup language for creating web pages, while HTML5 is the latest version with new features. Flexbox is a layout model for designing responsive websites.
• HTML is the standard markup language used to create web pages.

• HTML5 is the latest version of HTML with new features like <video>, <audio>, and <canvas> elements.

• Flexbox is a layout model in CSS that allows for easier alignment and...read more
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Q3. What is dependency injection
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Dependency injection is a design pattern that allows objects to receive dependencies rather than creating them internally.
• Dependency injection helps to decouple components and make them more modular and testable.

• It allows for easier maintenance and scalability of code.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of creating a database c...read more
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Q1. What is bootstrap,
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Bootstrap is a popular front-end framework for building responsive websites and web applications.
• Bootstrap provides pre-designed HTML, CSS, and JavaScript components that can be easily customized and integrated into a project.

• It includes a responsive grid system for creating layouts that adapt to different screen sizes.

• Bootstrap also offers built-in support for popular web development tools like Sass and jQuery.

• Example...read more
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Q2. Service,dependency injection, flexbod, box model,component
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Q1. What is closure
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Closure is a function that has access to its own scope, as well as the scope in which it was defined.
• Closure allows a function to access variables from its outer scope even after the outer function has finished executing.

• It helps in maintaining state in functional programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }
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Q2. What are life cycle hooks in angular
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Life cycle hooks in Angular are functions that allow you to tap into the lifecycle of a component or directive.
• Life cycle hooks are methods that are called at specific points in the life cycle of a component or directive.

• They allow you to perform actions at key points, such as when the component is created, rendered, or destroyed.

• Examples of life cycle hooks include ngOnInit, ngOnChanges, ngOnDestroy, etc.
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Q1. Promise and async await difference
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Promises are objects representing the eventual completion or failure of an asynchronous operation, while async/await is a syntactic sugar for working with promises.
• Promises are used for handling asynchronous operations and provide a way to chain multiple asynchronous operations together.

• Async/await is a newer syntax that makes working with promises easier by allowing you to write asynchronous code that looks synchronou...read more
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Q2. Array questions
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String manipulation question asked

Q1. Basic question on node js and nestjs with experience
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Q1. Springboot Application run method internal working, all annotations, map internal working, enableAutoconfiguration
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Q1. What is managed and unmanaged code What is oops pillars What is constructor What is garbage collector What is polymorphism
Ans. 
Managed code is code that is executed by the Common Language Runtime (CLR) while unmanaged code is executed directly by the operating system.
• Managed code is written in languages like C#, VB.NET, and runs in a managed environment like .NET framework.

• Unmanaged code is written in languages like C, C++, and directly interacts with the operating system.

• OOPs pillars are the four main principles of Object-Oriented Programming...read more
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Q1. Opps concept, MVC, Dependancy Injection, Design Pattern
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