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Importing data to database in Rails 50 times faster than normal

Have you ever needed to save lots of records with unique attribute to database using ActiveRecord? Have you noticed how time consuming such task is? I would like to show you how to do it quickly.
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7 aspects of our lives revolutionized by fin-tech

Fin-tech is a term which conveys the inevitable marriage of **fi**nance and **tech**. It also serves as a convenient handle for the technological revolution happening in financial services today. The changes we see in payments, insurance, lending, deposits and funding, however, are not limited to sheer convenience. The ultimate goal is also to make transactions much faster, cheaper and, most importantly, more secure for everyone.
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Run services in the background

Some time ago [Marcin wrote about basic design patterns in Ruby on Rails](http://naturaily.com/blog/post/basic-design-patterns-in-ruby-on-rails). I’d like to go back to Service pattern in this post. I really like it, it's a good idea to place application’s business logic there. At Naturaily we use it quite often.
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The biggest fears of software developers

Software development is not a walk in the park. It’s rather a 24-hour run through a misty jungle full of spiderwebs and creepy creatures. Developers need to be brave and have a spirit of adventure. But none of them is fearless. Time to face the biggest dev’s fears! Hold on!
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Ruby on Rails implementation of a ranking system using PostgreSQL window functions

Hello, this article will show, how easily you can add ranking functionality to your project.
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