A faster way to calculate the day of the week (benjoffe.com)

Screenshot of benjoffe.com: A faster way to calculate the day of the week

First screen, captured 2 months ago.

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Screenshot of benjoffe.com: A Fast 64-Bit Date Algorithm (30–40% faster by counting dates backwards)

A Fast 64-Bit Date Algorithm (30–40% faster by counting dates backwards)(benjoffe.com)

373 points by benjoffe 11 months ago | 87 comments

Ben Joffe's article presenting a 64-bit date conversion algorithm that counts years backwards and needs only 4 multiplications, with an open-source C++ implementation.

date-algorithms cpp performance-optimization calendar-conversion

Screenshot of blog.jim-nielsen.com: How to make websites that will require lots of your time and energy

How to make websites that will require lots of your time and energy (blog.jim-nielsen.com)

275 points by OuterVale 1 year ago | 225 comments

Screenshot of z80.me: "AI" on a Calculator (2023)

"AI" on a Calculator (2023)(z80.me)

52 points by mariuz 1 year ago | 13 comments

Screenshot of ciechanow.ski: Airfoil (2024)

Airfoil (2024)(ciechanow.ski)

508 points by brk 9 months ago | 59 comments

Bartosz Ciechanowski's interactive article explaining how airfoils generate lift by examining the forces created by airflow around aircraft wings.

aerodynamics airfoil physics fluid-dynamics

Screenshot of chrismalek.me: Datastar: Web Framework for the Future?

Datastar: Web Framework for the Future?(chrismalek.me)

228 points by 1659447091 1 year ago | 133 comments

Airfoil (ciechanow.ski)

4 points by gronky_ 2 years ago | 0 comments