An exploration of the interaction between four different Ruby web servers and their respective Rack handlers
The idea is to use these servers to GET a Hello, World! at /, both on and off Rack. The goal is to make it clearer why Rack was created in the first place, and why to this day it’s still so relevant.
Getting Ready
7 techniques to increase the developer’s experience during a Rails console session
Please note that some of these will come from Ruby itself, and thus won’t be necessarily restricted to the console.
1. Rolling Back After the End of a Session
It is possible to run the console in a mode called sandbox. In that mode, every change made to the database will be automatically rolled back when the session terminates:
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