Avoid Heroku idling with New Relic pings (Example)
Slow startup response times on Heroku? You may or may not be aware that Heroku has a policy of idling your web process after an hour of inactivity, essentially powering down your website until the next request comes along. When an unfortunate visitor does come along and makes a request to your idled process, they're often subject to a noticeable delay while it starts up. If you're running more tha
Rails 3.2 error handling with exceptions_app (Example)
Render cool error pages in production with Rails 3.2 Since Rails 3 you cannot directly handle exceptions in the middleware layer, like RoutingError, in your controller (e.g. with the rescuefrom helper). Rails 3.2. lets you configure an exceptionsapp, which will be used in production mode to handle you're exceptions. Use Routes Engine as exceptions_app You can use the Routes Engine as exceptions_ap
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Speed up Travis-CI build preparation time by 800% (Example)
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