Solution for : “execution of scripts is disabled on this system.”

Solution : execution of scripts is disabled on this system Go to Start Menu and search for “Windows PowerShell ISE”. Right click the x86 version and choose “Run as administrator”. In the top part, paste Set-ExecutionPolicy RemoteSigned; run the script. Choose “Yes”. Repeat these steps for the 64-bit version of Powershell ISE too (the non […]

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Solution for : net::ERR_CONNECTION_REFUSED in Angular

net::ERR_CONNECTION_REFUSED : I’d like to access an API server, but the server hasn’t started. Then I got the error : Could I handle this according to the status of the response ? Solution 1 : Solution 2 : If you are using spring for the backend , just add the annotation @crossorigin in your rest controller to […]

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TypeScript : how to sleep a thread ?

If we need to sleep e thread, we can implements a delay method that returns a Promise object (which represents the eventual completion, or failure, of an asynchronous operation, and its resulting value) and through the setTimeout method (that sets a timer which executes a function or specified piece of code once after the timer expires) resolve […]

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TypeScript: map an objects collection into a different one

The map() method is helpful to creates a new array with the results of calling a provided function on every element in the calling array. Suppose that we have two classes: And we have an Angular service called ‘myService‘ that through a .getObjects() method returns the following data: If we need to fill a DestinationType array […]

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