Can i use VS code for UDEMY tutorial - ruby-on-rails-3

I am having problems downloading the recommended IDE for UDEMY tutorial which cloud9 by amazon. i currently have VS code but i can not install ruby on rails which is a requirement for the set up environment to enable me begin the web developer training

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How can I create a testing environment for a project in gcp compute engine?

I am working on a project on GCP. It is a website that is live. It is running on a compute engine based on Ubuntu Linux. The problem I am trying to solve is how to create a live testing environment. Here is the flow of thoughts:
I have the live version that is working fine
I then create a feature that I want to deploy to the live version
But before deploying it, I want to test if the project will still work fine without errors on GCP.
Therefore, I want to find a way of deploying the test version of the project on gcp, and access it live, without tampering with the old version
Both of them need to be running live on GCP, so that I can see the contrast between the standard live version and the testing version
I have not tried anything yet. I am confused on where to start. I have checked out some proposed solutions online: Terraform and Docker mainly. But then I don't know how to go about it.
My expectation is that if I go to live-working-url.com, I get the stable working version of the project. Then be able to set up something like testing.live-url.com and see the test version. Both of these should be coming from the GCP compute engine.
Also, if there are other thoughts and ideas on how to work with testing in GCP, please share, they are highly appreciated
Thank you.

Deploy ASP.NET Core on render.com says Not Found

Can I deploy an ASP.NET Core app to Render?
I linked my GitHub repo and in the CLI it says Your site is live 🎉, but when I access the website it just says Not found.
From Render's docs:
Our platform has native support for Node.js, Python, Ruby, Elixir, Go, and Rust. If these don’t work for you, we can also build and deploy anything with a Dockerfile.
So Render does not have native support for C#, F# or VBA, so .NET won't work out of the box. This can be solved by using Docker as Render supports Docker containers.
Deploying your apps in Docker is good practice anyway, as Docker virtualises your app and runs it in an isolated environment, so if it works locally in Docker Desktop, it will work in production.
If you're new to Docker, check out their Get Started docs. If you redeploy your .NET app with the same code but Dockerized, it should work fine.

How to instll Siesta Lite on windows 8

We are implementing a project where we need to develop applications in sencha touch and as a tester i will be responsible to test these applications. After some research, I found out that Bryntum's Siesta is the best tool to automate the Manual test cases.
Before we decide to get the license, i just wanted to goof around it a bit so I downloaded the Lite version but I am not able to figure out how to install it on my Windows 8 machine. There isn't any .exe file in the downloaded folder when i extracted it.
Can anyone help me out with this please!
Thanks Already!
There is nothing to install really, since Siesta is just a web based tool (pure HTML, JS and CSS). Just extract into a web server and visit /examples and it will work. Getting started guide here: http://www.bryntum.com/docs/siesta/#!/guide/siesta_getting_started

Why are development style sheets and devise logout not working?

I have a 3.2.8 Rails application which has been deployed into production and is running just fine. While preparing to code an enhancement I pulled fresh code from the SVN and started up a development version of the application and found the stylesheets were non functional and the Devise logout did not work in DEVELOPMENT.
All other aspects of the application work exactly as they should.
I've been reading many stack over flow Q & A and cannot figure this out.
Then I realized the default version of Ruby did not match the version for the application.
The application was built with ruby 1.9.3 p286 and my machine boots up in Ruby 2.1.0
solution:
stop the server
rvm use ruby-1.9.3-p286
bundle install
rails server
= good to go.

Installing Juggernaut on Windows

I'm developing a chatroom app in Rails and have read that Juggernaut is the best option. Has anyone seen a tutorial for getting it started on Windows? I can't seem to find any up-to-date tutorials online.
I don't use Windows so I haven't tried to but take a look at https://github.com/dmajkic/redis for running Redis in Windows and https://github.com/joyent/node/wiki/Building-node.js-on-Cygwin-(Windows) for installing Node.js.
Those are Juggernaut's only real dependencies.