ZRTECH SOLUTIONS

Waiting for another flutter command to release the startup lock

In my case, the following command in Terminal helped (as suggested by Günter Zöchbauer’s comment): On Windows, run the following in a Command Prompt or PowerShell window (as suggested by upupming’s comment): (You can read about taskkill flags in Windows here)

Flutter command not found

You need to correctly set up your Flutter path. From macOS install – Update your path: Instead of nano, you can use any text editor to edit file ~/.bash_profile. For zsh: For example : if flutter in your machine has been installed under [your_username]/Developer/flutter

How to find the path of Flutter SDK?

If you have the flutter SDK installed. Run: The first line will show the install path.. (if you don’t have it installed go to the documentation)

Why are Actions Not Allowed in Strict Mode?

Some typical actions that are forbidden in strict mode are given below: 1. Undeclared objects or variables. We have already seen that using a variable or an object without declaring it is not allowed in strict mode. Example: Output: user = {referenceError: User is not defined 2. Deleting an object, variable, or function. Example: Output: […]

Activating JavaScript Strict Mode in Individual Functions

You can also enable string mode for a particular function by adding  ‘use strict’; or “use strict”; at the beginning of the function. Syntax: functionfunctionName() {    ‘use strict’;    // function body}// orfunctionfunctionName() {    “use strict”;    // function body} This statement should be the first statement of the function excluding comments. Adding ‘use strict’; or “use strict”; at the beginning […]

What is an Object Document Mapper (ODM)?

An object document mapper (ODM) in simple terms, maps objects with a document-based database like MongoDB. An object document mapper allows a developer to define a schema for documents inside collections. It allows users or developers to structure the documents well for better representation. An ODM also enables users to add new properties and fields […]

What is a Database Management System (DBMS)?

To understand what a DBMS or a database management system is, we must understand what a database is. A database is nothing but an organized collection of structured data or information that is generally stored in a computer. A database usually interacts with a database management system (DBMS) to let the user control and manage […]