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Ask HN: Calculus Refresher for AI/ML? 2 by fnord77 | 1 comments on Hacker News. From what I gather, much of AI is gradient descent, which appear to be matrices of PDEs. I took calculus/linear algebra/PDEs decades ago, but remember little of it. Are there any resources for relearning the parts useful for AI in an efficient manner?

Ask HN: Which programming language can I learn on my Termux-enabled Android tab? 3 by FerretFred | 1 comments on Hacker News. My new Lenovo M8 Android 14 tablet seems to run Termux just fine, so I'd like to spend some idle time learning a programming language - ideally one that doesn't need gigabytes of libraries to work. IDE of choice will be vi. Not trying to run the Evil Empire - just do some basic text handling/parsing and file I/O. I'm from a Perl background :) TIA

Ask HN: To do or not to do – providing passport number for domain name? 2 by another_1 | 1 comments on Hacker News. Hello all! Long time lurker, first time poster. I would like to copy Naval Ravikant's website domain name (nav.al), because my first name also ends with "al". However, in order to buy the Albanian domain name (.al) from Marcaria.com, the "domain authority requires that you provide additional information about the owner of the domain: Passport Number or Personal ID". I am in the US and have never had to do this for work or personal domains I purchased from Google Domains, so I am uncomfortable with providing my passport number. Has anyone done this before? Can someone provide context to this situation, so I can better understand the verification request? Thanks!

Ask HN: Aware of crypto since 2014 but never invested 2 by raxrb | 1 comments on Hacker News. I feel so dumb that I did not make any money in crypto. I've been aware of crypto since 2014, and I used to hang out in the forums of Bitcoin. I know a few people in my area who are not into tech. They have no idea about the technology and are not very updated in tech, yet they invested in crypto and made some money. Sometimes I feel that all this education reduces my risk-taking. I don't trust new things or people easily.

Bypass Paywall Reader, A website to bypass paywalls on articles to read for free 2 by thesaasdev | 0 comments on Hacker News. Bypass Paywall Reader, A website to bypass paywalls on articles to read for free by checking the link and scanning to see where it is available for free. https://ift.tt/akjHUo0

Ask HN: What's your favourite startup that didn't work out? 2 by ohong | 3 comments on Hacker News. With more startups winding down lately [1], I was wondering: What are some of your favourite startups that unfortunately didn't work out? Whether your involvement was as a builder, user, or just a fan of their mission. Bonus points if the founder has written a thoughtful retrospective / post mortem that documents the decision and explains why their idea was ultimately not viable as a business. [1] From Carta: Startup shutdowns up 58% in Q1 2024 compared to last year https://ift.tt/Ys0hczF

Brazil to Ban X from the Country 6 by lelo_tp | 2 comments on Hacker News. Our lovely minister is seriously banning X from the country, and imposing a fine of ~8.5K USD / day for any person that access X through a VPN. Apparently they're also removing the most popular VPN apps from the AppStore. This is insane. What a freaking shot at democracy