47 Best C# Constructors and OOPs Questions and Answers [How to]

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nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1: To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = { providers: [ provideRouter(routes), provideClientHydration(), provideHttpClient () ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from '

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü Tables and data grids ü Notifications ü Loader ü Calendar ü Display time, date and age ü Progress Bar ü Tooltip ü Overlay ü Icons ü Menu ü Charts ü Map ü Pdf viewer ü And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan You was inspired by Angular and the Vue.js 2 components looks like -

55 Best TypeScript Interview Questions and Answers - JavaScript!

What Is TypeScript? By definition, "TypeScript is a typed superset of JavaScript that compiles to plain JavaScript." TypeScript is a superset of JavaScript which provides optional static typing, classes and interfaces. => The TypeScript was first made public in the year 2012. => Typescript is a modern age JavaScript development language. => TypeScript is a strongly typed, object oriented, compiled language. => TypeScript was designed by Anders Hejlsberg (designer of C#) at Microsoft. => TypeScript is both a language and a set of tools. As an Example of TypeScript, class Hello { msg : string ; constructor ( message : string ) { this . msg = message ; } getMsg () { return "Hello, " + this . msg ; } } TypeScript introduced a great deal of syntax taken from object-oriented programming, including but not limited to: 1) Interfaces 2) Classes 3) Enumerated t

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVADOR

Private Constructor	Parameterized Constructor
Constant, read-only and static Keywords	Base class Parameterized Constructor
We have two classes, one is ClassA and other is ClassB, the ClassB inherit base class ClassA. If we make the object of child class ClassB then which class constructor called first?	We know that Base class constructor called first. But if we creating object with parameters, and base class have both constructor default and parameter, then which constructor of base class called first.

Delegates	Events	Generics	Indexers
Out keyword	Ref keyword	Property	Struct
Arrays	Collection of Classes	Class Library	Virtual \| Override \| new Keyword
Objects\|Classes	Abstraction	Encapsulation	Inheritance

What are ASP.NET Delegates, Types and Examples?	What are funk, Actionn and Predicate delegate?
What are Generic Delegates, Types and Examples in C#?	Examples - Generic classes and methods!
What is event in c#? How is work?	What are Properties and indexer in c#? Why we use?
What is structure in c#? Why we use it?	What is property class in c#? What is the main role?
What is ref keyword in c#? When we use?	What is out keyword in c#? When we use?
What is an Array? When use Array, ArrayList and LinkedList?	What is a collection class in c#? Why we need collection in c#?
What is a class library? Why need it?

Algorithm - Bubble Sort	Algorithm - Insertion Sort
Algorithm - Selection Sort	Algorithm - Recursion Fibonacci Series
Algorithm - Fibonacci Series using for loop	Algorithm - Armstrong Number
Algorithm - Palindrome Program	Algorithm - Prime Number
Factorial Number using Recursion	Reverse string in with and without using reverse function in C#
Find the most occurrence of a character in string C#?	Count character occurrence of a string using dictionary KeyValuePair C#?
Counting the occurrences of every duplicate words in a string using dictionary in C#

Anil Singh | Code-sample.com

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