What is caching in Rails and how can I implement it?

What is caching in Rails and how can I implement it?

Caching in Rails is a technique to store copies of files or data to reduce load times and improve performance. You can implement it using various caching stores like memory store, file store, or Redis.

What are the different types of caching available in Rails?

Rails supports several types of caching: page caching, action caching, fragment caching, and low-level caching. Each serves different purposes.

Can you give me an example of fragment caching?

Sure! You can use fragment caching by wrapping a part of your view in a cache block like this: <%= cache 'unique_cache_key' do %> ... %>.

How do I clear the cache in Rails?

You can clear the cache in Rails by using the command rails cache:clear in your terminal.