NodeSix
A local-first secure wireless gateway. Your network, your data.
We create solutions.
Product development and consulting across risk capital, AI, and hardware.
Our Portfolio
Wireless Telescope Controller
Wi-Fi control for GoTo telescope mounts, shipped as the Meade Stella and Orion StarSeek.
Fault-tolerant transceivers
A family of fault-tolerant Ethernet transceivers — redundant paths with automatic failover for networks that can’t drop.
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The blog has moved
If you found your way here from simplmodl.wordpress.com, welcome! The blog has a new home. A while back I started a little blog called "The Simple Model" over on WordPress. It was a place to write down the small technical…
Calculating months between dates in PostgreSQL
Note: I found this technique on Lexy Kassan's blog while searching for a way to do date difference calculations purely in PostgreSQL without custom functions. Here's the link to the original post: I frequently work with actuarial experience data and…
A simple way to repeat, replicate, or explode data.table rows in R
Note: I found this technique on an old forum post somewhere a while back. Once I find the link I will add it to this post! So, the first thing I will mention is that if you aren't using data.table,…