Doug Tykocki
@dtykocki
Staff Software Engineer. Distributed Systems Nerd. Elixir/Erlang/Ruby/Kafka.
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Solving bingo using PostgreSQL for Advent of Code day 4 2021. No plpgsql! Just a single, ~100 line SQL statement that goes from raw input format to answer. Not the most efficient, but it makes it a simple one-line change to solve part 2, too. youtube.com/watch?v=jW_tYp…
Today our board has agreed to not organize conferences in states with passed or pending transphobic or anti-LGBTQ legislation. This includes medical conscience laws, bills banning trans kids from sports, or access to gender affirming healthcare.
Over a year ago we signed a @Salesforce Enterprise contract for @Heroku. Since then we're experiencing a real nightmare. 🧵 A distressing thread
The Erlang JIT already brings efficiency to WhatsApp's servers!
And we're working to make WhatsApp more efficient. Thanks to some of the great work from our friends at @erlang_org we've recently been able to improve our server efficiency by 25%, which means that even as we grow we’ll use less energy to support each person’s use of WhatsApp.
PTSD from terrible bosses is totally a thing.
Republicans who say we can't impeach a president 10 days before an inauguration had no trouble confirming a Supreme Court justice 8 days before an election.
"Everybody wants to hire senior engineers; nobody wants to make them." I wrote a thing about my job and this buried line was the most quoted. Facts: 1. Our industry has a *major* eff'n problem with cultivating growth. 2. The semi-colon is a powerful writing device. Use it.
With my new job starting 😅, I spent some time reflecting on what made me successful as a Staff eng at Heroku. There are a lot of amazing stories at StaffEng.com, but for a few reasons, I didn't think mine fit well there. Instead, here's amyunger.com/blog/2020/09/1… YMMV 💜
If you’re employed in tech right now, you should be tipping EXTREMELY well to everyone delivering takeout, bringing you groceries, cutting your hair, cleaning your house, etc. We’re in a very tenuous time and service workers need all the support you can give.
It looks like every NWS office is locked out of their accounts because they have blue verified badges. It's up to us now. Oh dear.
✅ Elixir/Phoenix folks: You can help the community by filling out the Elixir Ecosystem Survey 2020. It took me less than 5 minutes to complete: elixirsurvey.typeform.com/to/yYmJv1 #myelixirstatus
The 2020 Elixir Community Survey is here. Please participate to help us grow our community. elixirsurvey.typeform.com/to/yYmJv1 #myelixirstatus
Software Engineers: at some point during this next week, some of you may make changes to production code or infrastructure. This thread is for you.
The most common feature-flagging pain I hear of is "feature flag debt" - stale flags clogging up your codebase with conditionals and dead code. Uber just open-sourced Piranha, an internal tool for detecting and cleaning up stale feature flags. Let's talk about it a bit...
"Another social network" reminded me that I gave this talk at @GOTOchgo exactly one year ago. Fun fact: the demo is powered by LiveView :-) youtube.com/watch?v=JvBT4X…
youtube.com
YouTube
The Soul of Erlang and Elixir • Sasa Juric • GOTO 2019
SLOs are not for "catching stuff before customers see it", that's classic monitoring and alerting. SLOs are for regulating feature work v.s. the eternal backlog of stuff that isn't shiny, the proactive approach managers have been begging us for, for decades.
Picard management tip: Give orders that make sense.
Powerful NYT article on the effects of the Coronavirus on 2 different, young, otherwise healthy nurses: nytimes.com/interactive/20…
Managers: please give your folks permission to be unproductive. This isn’t normal. The extra cognitive load is not easily pushed back.
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