Techstrology

React, Redux

[Solved] Error: The slice reducer for key “communicationStatus” returned undefined during initialization. If the state passed to the reducer is undefined

When I start to debug the code, I understand that state is undefined, so I solved the below issue in two ways. 1.Return an undefined state={} 2. Return state=default state

Shivaraju M
September 20, 2021

React, Redux

[Solved] Error: Actions must be plain objects. Instead, the actual type was: ‘function’. You may need to add middleware to your store setup to handle dispatching other values, such as ‘redux-thunk’ to handle dispatching functions.

I just have forgotten to call my action function with parentheses. a simple mistake was throwing a big error.

Shivaraju M
September 14, 2021
react-redux

React

[Solved] Warning: Received `true` for a non-boolean attribute `name`. If you want to write it to the DOM, pass a string instead: name=”true” or name={value.toString()} in reactJs

React is treating it as a prop with Boolean type. So, that's the reason I was getting the below error.

Shivaraju M
September 14, 2021
props

.Net, ASP.NET, ASP.NET Core, C#, Visual Studio

[Solved] Failed to launch debug adapter and Additional information may be available in the output window

solution for this issue was very simple & most of the issues which will occur during debugging the application or running the application in VS

.Net, ASP.NET, ASP.NET Core, C#

[Solution 2] HTTP Error 500.19 – Internal Server Error in ASP.NET Core Application

The issue "HTTP Error 500.19 - Internal Server Error " is the most common error, but there is a simple ways to fix this issue in most cases.

NodeJS, React

[Solved] Test suite failed to run Your test suite must contain at least one test. at node_modules/@jest/core/build/TestScheduler.js:242:24 at asyncGeneratorStep (node_modules/@jest/core/build/TestScheduler.js:131:24)

I started testing my reducer functions and the components of my react project by using built-in Jest library, when I was started to create some test files to the reducers pure functions, I was facing the issue i.e I mentioned…

React

[Solved] How to pass data from child component to its parent in ReactJS. Received an Uncaught TypeError: this.props.onChange is not a function. When Pass the values from Child Component to its Parent Component.

Problem : When I am trying to send variable data from child component class to its parent class. I’m getting the below error Uncaught TypeError: this.props.onChange is not a function Parent Component: Child component Solution: Pass the values from Child…

Shivaraju M
August 14, 2021
1
Refs

React, Redux

How to use redux in reactJS project? An easy way for state management using react-redux in ReactJS application.

In this article, we will understand How to use redux in reactJS Why redux is the best choice for react application state management How to configure react-redux for state management in our react applications, lets get started… When and Why…

.Net, ASP.NET, ASP.NET Core, C#, Visual Studio

[Solved] Failed to launch debug adapter The program ” has exited with code -1 (0xffffffff) – Visual Studio Failed and Crashed

Issue while running the Visual Studio 2019 with the project created in ASP.NET Core in C# language. The solution of this problem given here.

Sreenivasa Rangan TR
July 4, 2021
1

.Net, ASP.NET, C#

[Solved] C# Check the string contains special characters space or * / and how to replace them with some other value_ or %20 or some other characters.

There is a requirement where we supposed to replaces space* with underscore. Example of requirement is given below

Shivaraju M
July 3, 2021
Regex