Rails variable pattern

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Refactor your code with Rails patterns

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Rails transactions overview

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Jump into the world of transactions

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Rails null object pattern

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Refactor your code with Rails patterns

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Tables naming in a Rails self join

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ActiveRecord tip

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Translate every SQL query in Rails

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ActiveRecord tip

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Order with distinct in Rails

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ActiveRecord tip

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Beware of using references to null values

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ActiveRecord tip

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Count with ActiceRecord

last updated about 1 month ago

Learn how to count things from the database

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