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Pablo Torre
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How To Backup PostgreSQL Databases
Backups are an essential component in any kind of data storage plan. Fortunately, PostgreSQL gives you the utilities necessary to effectively backup your important information. PostgreSQL includes a utility called " pg_dump " that can be used to dump a data...

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Rails: Custom Authentication Strategies With Devise and Warden
You're probably familiar with Devise. Devise is a flexible authentication solution for Rails based on Warden Warden uses strategies to try to authenticate sessions. However, it provides no strategy, you have to implement them yourself. Devise implements a f...

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Cache Strategies for Rails: Low level caching
Sometimes we take a look at our log entries and we can see that some queries are taking a lot of time, maybe because the query is too heavy, or maybe because we are calling several queries in order to paint all the necessary information. Low-level caching e...
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