How to: Optimizations
* [bootsnap](https://github.com/Shopify/bootsnap) - Boot large Ruby/Rails apps faster.
* [fast_blank](https://github.com/SamSaffron/fast_blank) - Provides a C-optimized method for determining if a string is blank.
* [fast_count](https://github.com/fatkodima/fast_count) - Quickly get a count estimation for large tables (>99% of accuracy for PostgreSQL).
* [fast_underscore](https://github.com/kddeisz/fast_underscore) - Provides a C-optimized method for transforming a string from any capitalization into underscore-separated
* [pluck_in_batches](https://github.com/fatkodima/pluck_in_batches) - A faster alternative to the custom use of `in_batches` with `pluck`.
* [yajl-ruby](https://github.com/brianmario/yajl-ruby) - A streaming JSON parsing and encoding library for Ruby (C bindings to yajl).