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Articole: 10
  1. Pivot is more than a shorter, fatter group by

    In a previous post, I explained that the pivot operation on a table of data is equivalent to a groupby operation on that data, but with the output table rearranged into a squatter configuration.

  2. The Trumpiest baby names of 2024

    One of my favorite public datasets is the baby name data published every year by the United States Social Security Administration (SSA).

  3. How do whales hydrate?

    A wonder of the modern world is that we all have tiny computers in our pockets that can quickly retrieve vast quantities of information.

  4. Excel filter control violates transitivity

    You find a lot of weirdness when you try to implement an Excel compatible spreadsheet.

  5. Float like Excel

    Microsoft Excel stores numbers in a binary floating-point format.

  6. Traffic poem

    Three lanes for pickup trucks, lift to the sky, Seven for SUVs, eyes on the phone, None for the cyclists, doomed to die, One for our hero, speeding alone.

  7. Pivot is just a shorter, fatter group by

    I first heard the term "pivot table" in, I think, 2012.

  8. PMTUD: an AWS debugging story

    This is the story of my most fondly remembered project from my time on the S3 storage team in AWS.

  9. Working in tech in Seattle, I have had a lot of colleagues from India, China, and several other countries.

  10. The rise of -n

    One of my favorite public datasets is the baby name data published every year by the United States Social Security Administration (SSA).