Linux - Convenience Settings

To make directory color and VIM comment color visible in dark background

.vimrc:  set bg=dark

.dir_colors:  DIR 01;36

To make VIM tab space = 4 instead of 8

.vimrc:  set tabstop=4

How to create React apps with "Create-React-App"?

https://github.com/facebookincubator/create-react-app

Installation

npm install -g create-react-app

Create app

create-react-app my-app

cd my-app/

Start Server to see your app
npm start

Then open http://localhost:3000/ to see your app.

Deployment

When you’re ready to deploy to production, create a minified bundle with 

npm run build

Inside the directory

Inside that directory, you can run several commands:

  npm start

    Starts the development server.

  npm run build

    Bundles the app into static files for production.

  npm test

    Starts the test runner.

  npm run eject

    Removes this tool and copies build dependencies, configuration files

    and scripts into the app directory. If you do this, you can’t go back!

We suggest that you begin by typing:

  cd MyReactApp1

  npm start

How to overcome 2gb ram limit on visual studio 2015 emulators?

https://guido1993.wordpress.com/2015/05/05/how-to-overcome-the-2-gb-ram-limit-on-android-visual-studio-2015-emulators/

“Visual Studio Emulator for Android: The emulator is unable to verify that the virtual machine is running: Not enough memory is available in the system to start an emulator that uses 2048 MB of startup RAM. Please close other applications and try to launch the emulator again. If closing other applications doesn’t help, please follow the instructions on this KB article: http://support.microsoft.com/kb/2911380/en-us”

C:\Users\[YourUserName]\AppData\Local\Microsoft\VisualStudioEmulator\Android\Containers\Local\Devices

In the config files, change 
device.vm.ram.size=2048 to
device.vm.ram.size=1024

FROM: device.vm.ram.size=2048
TO: device.vm.ram.size=1024