If you get this error message ActiveRecord::ConnectionTimeoutError could not obtain a database connection within 5.000 seconds (waited 5.001 seconds) Try closing the connection after each request using "after" in Sintara. # app.rb after { A...

When mime types are registered they are placed in a hash constant EXTENSION_LOOKUP in the module Mime. For reference, the file with the relevant code is in rails/action_pack/lib/action_dispatch/http/mime_type.rb available on Github at https://github.com/r...

Is your app connected to the internet? You can use this standalone class to check! There are no dependencies so you can copy/paste it into your project without needing to install another framework. With this class it's as simple as running `Reachabili...

There are a few ways to solve this problem. However, I think the easiest is to cache the day of the year that the user is born on as an integer. If stored alongside the timestamp we can quickly get a list but properly handle the full birthday elsewhere, s...

Here is some code just in case you want to look at and query the queries hitting your MySQL database. Enter this from the mysql client console. mysql> SET GLOBAL log_output = 'TABLE' mysql> SET GLOBAL general_log = 'ON'; mysql> select event_ti...