How is SailsJS different from ExpressJS?

Experts please jump in and give me a brief explanation on the differences between SailsJS and ExpressJS? Which one should one use and why?

Which one would you prefer for better style authoring?

Links to repos: styled components, glamor.

How much do you spend on your infrastructure?

As a programmer, what secret things do you do to amuse yourself?

Are there any benefits of a Oracle certificate for J2EE?

Do you think getting J2EE certified by Oracle is valuable today? Do people care about it?

Go vs Node.js for Web Development: Which one is better in terms of performance, maturity, and community support?

Is it possible to write React based apps that are 100% jQuery/DOM manipulation free?

They say, you don't access DOM directly in React. Neither should you use jQuery. My question is that is it possible in real world scenarios?

Do I need a dedicated graphic card to run all IDE (Android Studio, NetBeans, Hadoop, etc.)?

How do you render components conditionally in React?

And why one is better than the other?

How do I ssh to a machine programmatically using Node.js and run a script on that machine?

I have the public key available to me in the database.