People Who Code | Blog: March 2022

platform Error: No provider for ReducerManager in Angular

Property ‘value’ does not exist on type ‘EventTarget’ Error in Angular 13

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Angular 13 Reactive Form Validation

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Angular 13 Reactive Form Validation With Demo

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Register Form Angular

How to add static text inside an input form

C# .Net Fundamentals interview questions

1. Basic .NET Concepts What is the .NET Framework ? A software framework by Microsoft that provides a runtime (CLR) and libraries for bui...

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Build Invoice System with PHP & MySQL

Invoice or Billing Management Systems are very po...
Angular SSR Summary of bugs Fixes

Error Solution get is undefined Initialize FormGroup before accessing it. Cannot read 'value' of null Verify control names and ...
The differences between Angular SSR (Server-Side Rendering) and Angular SSG (Static Site Generation) can be summarized as follows

1. When HTML is Generated SSR : HTML is dynamically generated on each request by the server. The server processes the request, fetch...
What is the difference between Components and Directives?

Demo URL @Components @Directives For register component we use @Component meta-data annotation. For register directives we use @Directive ...
What is a Temporal Dead Zone?

Temporal Dead Zone is a behaviour that occurs with variables declared using let and const keywords. It is a behaviour where we try to ...
Some Tricky SQL Server questions that often trip up developers

1. NULL Handling Question : What is the result of SELECT NULL = NULL in SQL Server? Answer : It returns NULL , not TRUE or FALSE . U...
How to reverse an array in Javascript?

Method 1 <script> let numbers_array = [11, 22, 33, 54, 55]; console.log( "Original Array: " ); conso...
Explain Scope and Scope Chain in JavaScript

Scope in JS, determines the accessibility of variables and functions at various parts in one’s code. In general terms, the scope will let ...
Handling “window is not defined” Error in JavaScript

Implement Conditional Rendering Wrap the code that relies on the window object inside a conditional check. We’ll use the (typeof window !==...
Reverse a string in-place (without built-in methods) in JavaScript

Example : function reverse(str) { let arr = str.split(""); for (let i = 0, j = arr.length - 1; i < j; i++, j--) { [ar...