Tag Archives: Ruby on Rails

Slow Responses from the BrainTree Ruby Gem? Try This Fix.

A few weeks ago I was tasked with trying to mitigate some timeout issues in a client’s Rails app making BrainTree calls. This was becoming more of a problem as the client’s users built up more & more history in … Continue reading

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Calculating Standard Deviations in Ruby on Rails (and PostgreSQL)

I need to calculate some Bollinger Bands (BBs) for SwingTradeBot, which is built in Rails 4. Here’s a quick definition of Bollinger Bands: Bollinger BandsĀ® are volatility bands placed above and below a moving average. Volatility is based on the … Continue reading

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I’ve Finally Found a Rails 4.x Blogging Engine / Gem

I can’t believe how difficult it’s been to find a good solution for plugging a simple blog into an existing Rails app. I wanted to add a blog to SwingTradeBot, the new site I’m building but most answers to this … Continue reading

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