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Speed up your Rack application with HTTP

You don't need a sophisticated caching mechanism to improve your application's performance. All you need is a basic understanding of the HTTP specification.

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A pragmatic guide to building a Rack application from scratch

Learn how to build a production ready Rack application without a framework like Rails or Sinatra.

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Inspecting Ruby's inspect method

Because 0x0000000103f70c98 never helped anyone.

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How to encrypt files with Ruby and Active Support

Password managers aren't the only way to store and share sensitive information. Learn how to create a simple CLI for encrypting files.

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