Sometime we need to cleanup a hash based for nil values. If you're using Rails/ActiveSupport it's really easy.

Developing email templates and sending a new mail every time to view a change is very inefficient and painful. Rails comes in rescue again. With mailer preview, you can view the changes in your browser just like any other page template.

Getting file size from OSX terminal is a pain. Actually it's a pain in all BSD variants. We normally use `ls -sh` on Linux derivatives. But this command on Mac doesn't return a human readable value.

I was impatient to hard code different env values in configuration files like NginX, Monit conf. So, the birth of Capistrano ERB Uploader.

Maybe you need your multi tenant application database to partition horizontally (shard). Probably you want to store different customers data in different tables.

Building even static websites will be fun with sinatra! But deploying might not be fun for everyone. So, Today I'll show you how to deploy a Sinatra App manually with Puma and Nginx.