• markgritter (59)in #work • 5 years ago

  Week 3 at Hashicorp

  The weird thing about working for an open-source company is that any random person can come by and look at what I've been doing: I resolved a couple issues brought up by Vault…

  $0.10

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• markgritter (59)in #theory • 5 years ago

  Existence properties for first-order number theory are all finitely checkable

  OK, that's a mouthful. I wrote an answer to How can I show that a function is not computable over at Quora, which brought up the Busy Beaver function. BB(n) is a typical…

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• markgritter (59)in #ulog • 5 years ago

  Job search notes

  When I decided to look for a new job, I had in mind the sort of thing I most wanted to do. I wanted to work on software security and correctness tooling, or more generally on…

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• markgritter (59)in #ulog • 5 years ago

  Leaving Tintri

  I haven't kept on my blogging here in the past couple months, and there's a significant reason why. After nearly 11 years at Tintri, I've decided it's time for me to start…

  $0.31

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• markgritter (59)in #food • 5 years ago

  Onigiri

  I've wanted some onigiri for a while so I decided try making some for lunch. My first attempt was edible (it's hard to screw them up that badly) but not very pretty: I…

  $0.33

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• markgritter (59)in #steemstem • 5 years ago

  Is your coin flip irrational?

  A mathematician I follow on Twitter recently referenced On Determining the Irrationality of the Mean of a Random Variable by Thomas M. Cover (The Annals of Statistics 1973…

  $18.22

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• markgritter (59)in #steemstem • 5 years ago

  Partitioning a set into lists

  The Bell numbers count how many ways there are to partition N elements into sets. What if we want to partition the elements into ordered groups instead, as this Quora…

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• markgritter (59)in #steemstem • 5 years ago

  Math is more than plugging in a formula, dammit

  On Quora, I answered this question: How long does it take for your money to grow 10 times its original value if the rate of interest is 5% per annum? In my answer, I pointed…

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• markgritter (59)in #spam • 5 years ago

  Why are email pitches so bad?

  Via Twitter: Recently my co-founder left Tintri. Now his email address has been aliased to me. Along with our interim CEO's email address. So now I get about 2.5x as much…

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• markgritter (59)in #steemit • 5 years ago

  Steem account setup latency: 40 days

  An acquaintance verified their email with Steemit on November 29th and finally got the "One last step to set up your account" email yesterday, January 8th. That's a 40-day wait…

  $0.22

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• markgritter (59)in #adventofcode • 5 years ago

  Advent of Code day 13 [spoilers]

  Day 13 is a simulation of carts on tracks. The track layout is given by an ASCII diagram, like this one: /->-\

  $1.20

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• markgritter (59)in #adventofcode • 5 years ago

  Advent of Code, day 12, in Haskell [spoilers]

  Day 12 asks us to implement a cellular automaton. There's a lot of flavor text, but that's basically it. The rules are part of the puzzle; I don't know if they're actually…

  $2.37

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• markgritter (59)in #adventofcode • 5 years ago

  Advent of Code Day 11 [spoilers], Inclusion-Exclusion, and Haskell's odd design decisions

  Haskell has a maximum function and it has lazy evaluations of lists. I come from Python that has a max function and list generators. But there turns out to be a crucial…

  $2.02

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• markgritter (59)in #adventofcode • 5 years ago

  Advent of Code Day 8 [spoilers]

  Day 8's puzzle was basically just about parsing a long list of integers correctly, and writing tree-recursive functions correctly. Both are pretty easy in Haskell. I defined…

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• markgritter (59)in #adventofcode • 5 years ago

  Advent Of Code Day 5 [spoilers]

  I completely gave up on solving the Advent of Code problems as they went up, and I'm backfilling the days I missed, which is most of them. Day 5 was the first time I really…

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• markgritter (59)in #stemq • 5 years ago

  A: What is clustering in Data Science?

  In a data-science context, clustering refers to organizing data into categories by using some sort of distance metric. "K-means clustering" is a common technique for doing so…

  $4.19

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• markgritter (59)in #steemstem • 5 years ago

  What does the AC0 complexity class mean?

  AC^0 is a circuit complexity class. It represents the set of decision problems that are solvable with a family of constant-depth unlimited-fanin polynomial-size circuits.…

  $1.29

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• markgritter (59)in #history • 5 years ago

  What happened to Sun Microsystems?

  During the first Internet boom of the late 1990’s, Sun was everywhere. Startup companies bought Sun hardware for their data centers, back when building your own data center was…

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• markgritter (59)in #adventofcode • 5 years ago

  Advent of Code, day 7 [spoilers]

  The Day 7 puzzle is about parallel builds. So, just convert your input into a Makefile and solve it with GNU Make! OK, maybe not. I probably could have gotten that working in…

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• markgritter (59)in #meme • 5 years ago

  Never give up, never pass up a chance to make stupid math jokes

  (Inspiration:

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