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How to Docker on Rails?

One of the most interesting thing in starting a new project is the possibility to learn new things. For the last year, I had the occasion to work on the ops side of running an app and not just limi...

Mehdi

Mehdi Jaafar

How to use AJAX events for parallel requests

AJAX (Asynchronous JavaScript and XML), which gained serious traction in mid-2000s, is a set of techniques consisting of sending asynchronous (hence “A”) requests between the browser and the applic...

Pawel

Paweł Bartulewicz

Group operations

Today I want to talk about simple implementation of group (mass) operations. The idea was to add simple feature of assigning users to groups by selecting individual (or all) users using checkboxes ...

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Mateusz Drozdowski

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

First steps in Rails

    Our first assignment as new interns was to make Blog Posts that were published visible to everyone at the website, and the Blog Posts that were not published visible only to logged in users. Af...

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Mateusz Drozdowski

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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Radosław Snarski

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