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Learn how to strike a balance between flexibility and data integrity with a partial index and validations.
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Need to do some HTML sanitization, but Rails ActionView Sanitize Helpers are not good enough? Read this post to learn how to do it with Loofah.
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Re-use collection query logic within model instances to avoid duplication and get the best performance.
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Running a separate query to count how many records are associated with another record is inefficient. Using a counter cache can save the day!
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How do you manage queries when your Rails application isn’t the only thing reading your database?
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Read this the next time you need to build a complicated form.
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How did we build the new Open Source page?
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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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Learn how to build a production ready Rack application without a framework like Rails or Sinatra.
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Superglue creator Johny Ho answers a beginner’s questions about the new React+Rails framework.
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