Galilean moons Updated 2025-07-16
Can you imagine when those guys started to see moons in other planets? They must have shat bricks. What better evidence can you have that the geocentric model could be wrong?
INNER JOIN Updated 2025-07-16
OUTER JOIN Updated 2025-07-16
Upsert Updated 2025-07-16
UPSERT is extremely handy, and reduces the number of find, check on server, update loops. But RETURNING is a fundamental part of that (to get the updated/existing) ID. Can't believe SQL hasn't standardized it yet as of 2022. But both SQLite and Postgres support it with similar syntax thankfully.
Daniel Sank Updated 2025-07-16
Started at Google Quantum AI in 2014.
Has his LaTeX notes at: github.com/DanielSank/theory. One day he will convert to OurBigBook.com. Interesting to see that he is able to continue his notes despite being at Google.
Sycamore processor Updated 2025-07-16
This is a good read: quantumai.google/hardware/datasheet/weber.pdf May 14, 2021. Their topology is so weird, not just a rectangle, one wonders why! You get different error rates in different qubits, it's mad.
Figure 1.
Google Sycamore Weber quantum computer connectivity graph
. Weber is a specific processor of the Sycamore family. From this we see it clearly that qubits are connected to at most 4 other qubits, and that the full topology is not just a simple rectangle.
Margin Call (2011) Updated 2025-07-16
Video 1.
Peter Sullivan discovers the issue scene from Margin Call
. Source.
Video 2.
Senior partners emergency meeting scene from Margin Call
. Source. God, Jeremy Irons is destroying it!!! And all others too.
Video 3.
Fire Sale of Mortgage Bonds scene from Margin Call
. Source.
Video 4.
Investment Analyst Explains Margin Call by The Plain Bagel
. Source.
The Big Short (2015) Updated 2025-07-16
Video 1.
I'm Jacked to the Tits remix by The Big Short (2021)
Source.

There are unlisted articles, also show them or only show them.