I made a spreadsheet


Visicalc, the world’s first spreadsheet, was also the original killer app. Steve Jobs said that Visicalc “propelled the Apple ][ to the success it achieved”. As one of the first mainstream digital tools, I’m fairly sure the first spreadsheet inspired Jobs’ later quote that “…the computer is the most remarkable tool that we’ve ever come up with.

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I wrote a compiler


I have a Computer Science degree. I attended a whole course of lectures on compilers (and have a certain fondness for “the red dragon book” as a result). However, I had never actually written a compiler from start to finish until a rainy day last weekend.

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Wine update and 2020 vintage


Amid the pandemic and California fires, September saw a flurry of activity on the wine-making front. We bottled our 2019 primativo and picked, crushed, fermented and pressed our 2020 vintage - a (tricky) pinot noir.

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