https://mike.daless.io/ What's Up With Mike D en-us Wed, 11 Mar 2026 19:07:48 +0000 https://www.youtube.com/embed/J1I3puqWDEw https://www.youtube.com/embed/J1I3puqWDEw Fri, 13 Feb 2026 00:00:00 +0000 A conversation about multi-tenant database architecture in Rails, covering the journey of implementing separate SQLite databases for Fizzy customers, and the open-sourced Active Record Tenanted gem that simplifies multi-tenancy implementation. https://mike.daless.io/posts/2026/01/open-source-update.html https://mike.daless.io/posts/2026/01/open-source-update.html Sat, 03 Jan 2026 00:00:00 +0000 A summary of my open source work from April through December 2025. https://mike.daless.io/posts/2025/09/universal-rubygem-precompilation.html https://mike.daless.io/posts/2025/09/universal-rubygem-precompilation.html Wed, 10 Sep 2025 00:00:00 +0000 A summary of the current state of precompiled native gems in the Ruby ecosystem. https://www.youtube.com/embed/Sc4FJ0EZTAg https://www.youtube.com/embed/Sc4FJ0EZTAg Thu, 04 Sep 2025 00:00:00 +0000 As Rails's SQLite support has improved, it's finally possible to have truly multi-tenant Rails applications - isolated data for each account! - without sacrificing performance or ease of use. https://mike.daless.io/posts/2025/04/open-source-update.html https://mike.daless.io/posts/2025/04/open-source-update.html Sun, 06 Apr 2025 00:00:00 +0000 An update on my open source work. https://mike.daless.io/posts/2025/03/open-source-update.html https://mike.daless.io/posts/2025/03/open-source-update.html Sat, 08 Mar 2025 00:00:00 +0000 The first of a (hopefully) regular series of updates on my open source work. https://www.buzzsprout.com/2260490/episodes/15617996 https://www.buzzsprout.com/2260490/episodes/15617996 Fri, 30 Aug 2024 00:00:00 +0000 In this podcast episode I talk with Chris Oliver and Andrew Mason about Loofah and the Rails HTML sanitizer, SQLite support in Ruby, how I got started in Ruby, and a bit about management vs leadership. https://www.youtube.com/embed/USPLEASZ0Dc?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV https://www.youtube.com/embed/USPLEASZ0Dc?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV Fri, 06 Oct 2023 00:00:00 +0000 An accessible deep dive into the evolution of Rails to include HTML5-compliant sanitization, which provides better security for Rails applications. https://www.youtube.com/watch?v=k-TGeXex-GA https://www.youtube.com/watch?v=k-TGeXex-GA Mon, 14 Nov 2022 00:00:00 +0000 Evan Phoenix and I were interviewed by Patrick Wheeler and Jason Gauci about our personal journies in Ruby, how we learn, and how we came to work together on Ruby Shield, a security partnership between Shopify and Ruby Central. https://www.youtube.com/embed/ZqSGkNclOh8?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV https://www.youtube.com/embed/ZqSGkNclOh8?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV Wed, 10 Nov 2021 00:00:00 +0000 Part two, a bit broader look at C extensions in Ruby, including an explanation of why Nokogiri chose to start precompiling native packages. https://www.youtube.com/embed/zOutXbz_7Ns?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV https://www.youtube.com/embed/zOutXbz_7Ns?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV Wed, 10 Nov 2021 00:00:00 +0000 One afternoon in early 2021, a 14-year-old test in Rails started failing. Nobody understood why. This 12 minute video will amuse and/or annoy you with a mystery that spans decades and tech stacks. https://www.youtube.com/embed/oktN_CbOJKc?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV https://www.youtube.com/embed/oktN_CbOJKc?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV Fri, 10 Sep 2021 00:00:00 +0000 A deep look at the techniques and toolchain used to ship native (precompiled) versions of Nokogiri and other rubygems with C extensions. https://mike.daless.io/prez/2019-05_embrace-change-as-an-org_code-climate-summit/index.html https://mike.daless.io/prez/2019-05_embrace-change-as-an-org_code-climate-summit/index.html Wed, 22 May 2019 00:00:00 +0000 How a 500-person organization can stay agile and embrace change. Presented at Code Climate Summit. https://www.youtube.com/watch?v=_kE51KeHwmU https://www.youtube.com/watch?v=_kE51KeHwmU Wed, 21 Feb 2018 00:00:00 +0000 In this interview I talk about Cloud Foundry, Pivotal, and a potpourri of other topics. https://mike.daless.io/posts/2015/12/abstraction-or-the-gift-of-our-weak-brains.html https://mike.daless.io/posts/2015/12/abstraction-or-the-gift-of-our-weak-brains.html Fri, 18 Dec 2015 00:00:00 +0000 Our brains are naturally limited. This can be a curse, or it can be a gift, depending on how you look at it. https://docs.google.com/presentation/d/1IwUf8uPT8AAscCYMUTyZDz90lYL9EUw5WOEVQ04BBYE https://docs.google.com/presentation/d/1IwUf8uPT8AAscCYMUTyZDz90lYL9EUw5WOEVQ04BBYE Fri, 15 May 2015 00:00:00 +0000 A talk given to CUNY students and recent grads about the importance of community in shaping a career. https://mike.daless.io/prez/2014-10-10_inceptions_101/deck/index.html https://mike.daless.io/prez/2014-10-10_inceptions_101/deck/index.html Fri, 10 Oct 2014 00:00:00 +0000 An internal "Core Practice" talk given at Pivotal Labs. https://mike.daless.io/prez/enterprise-asbury-2013-10/slides.html https://mike.daless.io/prez/enterprise-asbury-2013-10/slides.html Wed, 02 Oct 2013 00:00:00 +0000 Subversive lessons from two decades spent in enterprisey companies. Presented at Asbury Agile. https://www.youtube.com/embed/BbG5slRsJ_0?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV https://www.youtube.com/embed/BbG5slRsJ_0?list=PLmzIIZBIYADX6EVcN-R7X16ZQ9gr0gQwV Fri, 20 Sep 2013 00:00:00 +0000 The history of a successful OSS project, along with humorous stories and lessons learned. This talk, given multiple times, is presented here in its final version. https://mike.daless.io/prez/loofah-2010-03-09/loofah.html https://mike.daless.io/prez/loofah-2010-03-09/loofah.html Tue, 09 Mar 2010 00:00:00 +0000 Introduction to OSS projects Loofah, Lorax and McBean to modify, compare and transform HTML and XML documents. Presented at NYC.rb.