2019 - Recently
https://speakerdeck.com/284km
2018
- https://speakerdeck.com/284km/csv-compatible-csv-library
- https://speakerdeck.com/284km/super-fast-csv-parser
- https://speakerdeck.com/284km/fftt-20180427
- https://speakerdeck.com/284km/-2
- https://speakerdeck.com/284km/fast-code-for-ruby
- https://284km.github.io/slides/20180111_omotesandorb30/slides/
2017
- https://284km.github.io/slides/20171209_railsdm2017/slides/
- https://284km.github.io/slides/20171208_fftt2/slides/
- https://284km.github.io/slides/20171207_omotesandorb29/slides/
- https://284km.github.io/slides/20171122_shinjukurb55/slides/
- https://284km.github.io/slides/20171115_shibuyarb/slides/
- https://284km.github.io/slides/20171109_omotesandorb28/slides/
- https://284km.github.io/slides/20171024_shinjukurb54/slides/
- https://284km.github.io/slides/20171005_omotesandorb27/slides/
- https://284km.github.io/slides/20170907_omotesandorb26/slides/
- https://284km.github.io/slides/20170823_shinjukurb52/slides/
- https://284km.github.io/slides/20170803_omotesandorb25/slides/
- https://284km.github.io/slides/20170729_tokyurubykaigi11/slides/
- https://284km.github.io/slides/20170706_omotesandorb24/slides/
- https://284km.github.io/slides/20170622_railsdm2/slides/
- https://284km.github.io/slides/20170601_omotesandorb/slides/
- https://284km.github.io/slides/20170517_shibuyarb/slides/
- https://284km.github.io/slides/20170511_omotesandorb22/slides/
- https://284km.github.io/slides/20170419_shibuyarb/slides/
- https://284km.github.io/slides/20170315_shibuyarb/slides/
- https://284km.github.io/slides/20170302_omotesantorb/slides/