Code Explainers

Code explainers tagged #rack

ruby 
module Rack
  class MaintenanceMode
    RETRY_AFTER = 3600
 

A Rack maintenance-mode middleware in Rails

middleware rack http-status
Intermediate 8 steps
ruby 
module RequestTagging
  class Middleware
    def initialize(app)
      @app = app

Per-request context with CurrentAttributes in Rails

middleware thread-safety logging
Intermediate 7 steps