How to exit from repl in rshell? Updated 2025-07-16
Ctrl + X. Documented by running
help repl from the main shell. How to extract data from the Bitcoin blockchain Updated 2025-07-16
TODO: it would be cool to have something like bitcoinstrings.com but including the actual transactions:
Local methods:
- Bitcoin Inscription Indexer
- bitcoin.stackexchange.com/questions/30295/how-can-i-search-for-transaction-text-on-the-blockchain
- bitcoin.stackexchange.com/questions/22500/is-there-a-lightweight-blockchain-parser-library-server/101472#101472
- github.com/alecalve/python-bitcoin-blockchain-parser
- bitcoin.stackexchange.com/questions/84266/wondering-how-to-use-bitcoin-parser
- github.com/bitcoinprivacy/Bitcoin-Graph-Explorer stores the blockchain in a database, and should allow more intelligent querying.
Further bibliography:
- bitcoin.stackexchange.com/questions/799/can-i-download-the-whole-block-chain-from-somewhere
- bitcoin.stackexchange.com/questions/68925/how-can-data-be-accessed-searched-for-in-a-blockchain
- bitcoin.stackexchange.com/questions/55188/download-single-and-specific-block-for-study-purposes
- www.fiverr.com/usefulshine/embed-your-logo-or-brand-art-on-blockchain user usefulshine from India embeds ASCII art for you into the blockchain starting at 260 dollars! XD
How to make animations of molecular biology processes Updated 2025-07-16
How to run a MicroPython script from a file on the Raspberry Pi Pico W from the command line? Updated 2025-07-26
The first/only way Ciro could find was with ampy: stackoverflow.com/questions/74150782/how-to-run-a-micropython-host-script-file-on-the-raspbery-pi-pico-from-the-host/74150783#74150783 That just worked and it worked perfectly!
pipx install adafruit-ampy
ampy --port /dev/ttyACM0 run blink.py How to show that a group is simple Updated 2025-07-16
scholarworks.sjsu.edu/cgi/viewcontent.cgi?referer=https://www.google.com/&httpsredir=1&article=5051&context=etd_theses proves that the Mathieu group is simple in just 200 pages. Nice.
How to teach Advertise your material Updated 2025-07-16
Once you have crated something awesome, you have to advertise it, otherwise no one will ever find it.
This means:
- Then ask them if they want to talk about anything.
- whenever someone asks as question on an online forum, answer it, and link to the section of your material that also answers that question.The material will answer many of their future questions.
Eventually, people will find you on the front page of Google searches, and then you will know that you've truly made something useful.
How to teach Become famous through teaching Updated 2025-07-16
How to teach Give examples Updated 2025-07-16
Keep the example/theory ratio high, very, very high.
How to teach Let students learn by teaching Updated 2025-07-16
Tell students to:
- make suggestions to the course material themselves, since you have used text and published your source.Review their suggestions, and accept the best ones.
- answer the questions of other students on your online forum. Let them work instead of you.
Praise those that do this very highly, and give them better grades if you have that superpower.
Whatever you do, even if it is playing video games: if you manage to produce related content that will interest other people, and possibly allow you to get paid, it will much much fun to do that thing.
How to teach Use the Internet Updated 2025-07-16
How to use a single source multiple times in a Wikipedia article? Updated 2025-07-16
en.wikipedia.org/wiki/Help:Footnotes#Footnotes:_using_a_source_more_than_once gives the following method:
Definition, anywhere on article, likely ideally as the first usage:
<ref name="myname">{{cite web ...}}</ref>And then you can use it later on as:which automatically expands the exact same thing, or using the shortcut:
<ref name="myname" />{{r|myname}}To cite multiple pages of a book: en.wikipedia.org/wiki/Wikipedia:Citing_sources#Citing_multiple_pages_of_the_same_source, the best method is to define and use the reference without adding the Do not set the page in or for multiple pages:
p or location in cite as:<ref name="googleStory">{{cite book |title=The Google Story}}</ref>{{rp|p=123}}cite, otherwise it shows up on the references. Instead we use the {{rp}} template. And then use the reference with the {{r}} template as:{{r|googleStory|p=456}}{{r|googleStory|pp=123, 156-158}} How to view only posts by followed on Facebook feed? Updated 2025-07-16
Circa 2023, the feed is an unbearable list of stupid suggestions, never-ending idiotic memes, and you just end up missing posts you actually care about from people you actually follow.
- www.komando.com/social-media/facebook-customized-feeds/847500/
- www.quora.com/How-do-I-limit-my-news-feed-to-friends-only-on-Facebook
- www.youtube.com/watch?v=SIA8VydqiNQ OK they split their feed into multiple feeds. However on page follows www.facebook.com/?filter=pages&sk=h_chr you very quickly reach:the history doesn't go back even a few days as of November 2023! And the favorites feed www.facebook.com/?filter=favorites&sk=h_chr is more explicit on their ridiculous timing:OMG!
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Hugging Face Updated 2025-07-16
Interesting website, hosts mostly:
- datasets
- ANN models
- some live running demos called "apps": e.g. huggingface.co/spaces/ronvolutional/ai-pokemon-card
What's the point of this website vs GitHub? www.reddit.com/r/MLQuestions/comments/ylf4be/whats_the_deal_with_hugging_faces_popularity/
Human game used for AI training Updated 2025-07-16
This section is about games initially designed for humans, but which ended up being used in AI development as well, e.g.:
- board games such as chess and Go
- video games such as Minecraft or old Video game console games
Hund's rules Updated 2025-07-16
Allow us to determine with good approximation in a multi-electron atom which electron configuration have more energy. It is a bit like the Aufbau principle, but at a finer resolution.
Note that this is not trivial since there is no explicit solution to the Schrödinger equation for multi-electron atoms like there is for hydrogen.
For example, consider carbon which has electron configuration 1s2 2s2 2p2.
Hydrogen emission spectrum Updated 2025-07-16
HyperCard Updated 2025-07-16
IBM 700/7000 series Updated 2025-07-16
Illumina Updated 2025-07-16
The by far dominating DNA sequencing company of the late 2000's and 2010's due to having the smallest cost per base pair.
To understand how Illumina's technology works basically, watch this video: Video 1. "Illumina Sequencing by Synthesis by Illumina (2016)".
Illumina Sequencing by Synthesis by Illumina (2016)
Source. The key innovation of this method is the Bridge amplification step, which produces a large amount of identical DNA strands.
ImageMagick Updated 2025-07-16
There are unlisted articles, also show them or only show them.