Viewing profile — spappal

That's a helpful tutorial, thanks.

Align with the rest of the system, when sqlite is used as a component in a system which mainly speaks json. Performance, when records are complex and usually not accessed. Ease, av…

I got good use of the run-time type checking of typeguard [0] when I recently invoked it via its pytest plugin [2]. For all code visited in the test suite, you get a failing test w…

Firefox supports custom search engines, the most bang for the buck custom search engine must be https://duckduckgo.com/?q=%s with keyword being the letter d. Then you get all these…

The author of that macro PEP [0] is the same Mark Shannon behind the speedup proposal under discussion. [0]: https://www.python.org/dev/peps/pep-0638/

The reason for magnetic field strength falling off as 1/r^3 is interesting: the biot-savart law says that magnetic field falls off as 1/r^2 from a magnetic source, but in reality s…

> the properties of the hashes [g]it uses Git uses SHA-1, a hardened version since 2017, and are now doing per-repo upgrades to SHA-256 [0]. Lots of repos are presumably still on S…

Since toast is discussed on HN: I remember this video [0] nicely explaining some nice engineering of an interesting toaster. [0]: https://www.youtube.com/watch?v=1OfxlSG6q5Y

Compact summaries are useful when revisiting something that was learnt before. Such a document might be more useful for mathematics than most subjects, since many have studied math…

And PEP 8 doesn't mention sorting the imports. There are even counterexamples which aren't alphabetically sorted. It does mention grouping though. Since Python imports can have sid…

See also: the paper "Why Most Published Research Findings Are False". Previously on HN: https://news.ycombinator.com/item?id=1825007

This was spotted on HN 3 weeks ago: https://github.com/schollz/croc

P(simultaneously within middle 50 % of n independent distributions) = 0.5^n = 2^(-n), like my parent comment says. But interestingly, every relevant comment here either got somethi…

0.9^9

Wayback Machine to the rescue: https://web.archive.org/web/20121023081714/https://kturtleco... I recommend adding bookmarklets for Wayback Machine: https://en.wikipedia.org/wiki/He…

> remember that deaf-blind people exist [... ...] able to understand language I got curious if/how deafblind people learn to communicate in the first place, if they are completely …

I read Chiang's Exhalation [0] prompted by your question. So much story in so few (6505) words! Great use of a crafted universe to tell a story relevant to us. That's the beauty of…

This doesn't really get us closer to the speed of light, but we have broken lots of speed records in the last 50 years: https://en.wikipedia.org/wiki/List_of_vehicle_speed_records

> Firefox just doesn't have nearly the security credentials that Chrome does at the moment I think this claim deserves a justification. Not saying you're wrong but I'm interested i…

I would be interested in knowing how cyber warfare and cyber espionage are viewed from a perspective of diplomacy or power play between nations (or corporations). Does anyone know …

I agree that Deep Work is worth a read. Quite a few meaningful ideas in quite few pages. The end-of-day shutdown is one of the ideas that stuck in me. After a workday my mind is us…

This reminded me of last years "BrickerBot" malware [0] by grey-hat The Janit0r / The Doctor who bricked IoT devices with the stated purpose of preventing the same devices from bei…

The light appears to not come from the inside: https://www.youtube.com/watch?v=Std3LfVx41c&t=33

This article [0] explains nicely the story of Claude Shannon et al trying to win at roulette. [0] http://nautil.us/issue/50/emergence/claude-shannon-the-las-v...

Agreed, I just tried it. Two good examples for this are the ones in the Wikipedia page [0]. The size in the page is maybe a bit large, if it requires a too large angle of eye cross…