ActiveRecord Query method - none. It returns a chainable relation with zero records. Post.none => #

active record inspect method is invoked to log the active record collection object to the rails console which by default limits the query by 11 but does not actually limit the query being executed.

Firefox exposes about:crashes url where one can see history of crash reports. Clicking on each crash report takes to mozilla website where one can see crash details

we can tell the browser how to execute the script. By default, browser runs the script immediately by pausing HTML parsing. Else you can specify async or defer with the script tag to either run script asynchronously or defer it until HTML is parsed.

if you are using file-loader with webpack to process your assets and want to serve images from cdn you need to pass that cdn url in `publicPath: ''

when using webpack-uglify to minify your code if you face a situation where your build fails with syntex error try setting "uglify-js": true this will run all the transformations, however you can use "useBuiltIns": true with that option to only include polyfills for your target browsers

We can use the command docker-compose up -d --no-deps --build to do a zero downtime upgrade of services inside a running docker-compose stack.

docker system prune -a will free up significant space on your hard disk if you have a lot of stopped docker containers and dangling volumes etc