EPERM : Operation Not Permitted - Nodejs

I got 'EPERM: Operation not permitted' when installing 'npm -g vue-cli' as shown below :

The solution is just executing 'npm cache clean --force' :

Result :

Awesome.... Error has been fixed...

Creating New Quasar Project using Windows 7

run

npm i -g quasar-cli --no-optional

After successfully installing quasar, we can execute this command :

Above steps are only executed once, so when we wanto create another quasar project in future, we don't have to do those commands again. We can simply just create our first quasar app yeaaah.... :D
Ok let's create our first quasar app by running this command :

Now we can see the project structure of quasar app like this :

Next let's jump to our quasar project app, 'cd quasar_first' and then execute 'npm install' for installing quasar dependency ....

Last... Just run quasar by executing 'quasar dev'

Official NPM Update :D

Set and Unset NPM Config Behind the Proxy in Windows 7

Before using proxy :

First, I used this method but failed :v..

Then tried this one :

Now I have successfully downloaded my jquery :

So.... That's the way that we can use for configuring our npm behind the proxy network...

Last, to remove the config setting, just this command :

Okie-desu.....

npm -l