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To use delegate or not to ? What other options do we have?

Everyone of us saw that kind of error: NoMethodError: undefined methodstreet' for nil:NilClass` That means, we are calling street method on nil value, which in our case is users Address, so it me...

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Radosław Snarski

SQL views, forgotten facilitation by rails community.

Few weeks ago I was assigned to develop a feature, generating dynamic comparisons. It was about tracking 295 columns across 80 tables, with all kind of associations and create csv/xls reports. Fir...

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Materialized views, the performance booster

In my last post, we talked about sql views. Yes, I did convince you that they are really cool – but lets face it, is there any improvment in performance? Well, there is none, but even if – it's too...

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Radosław Snarski