bsv
hnrss
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bsv
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Do You Know How Much Your Computer Can Do in a Second?
grep is the beginning, not the end. it’s a great performance baseline to meet, and then beat[1]. computers are insanely fast!
the startups using grep on aws are undercutting those doing slower things on aws. this must be why aws architects never talk about grep.
1. https://github.com/nathants/bsv
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Generic dynamic array in 60 lines of C
awesome! i do the same thing for arrays[1] and maps[2].
stuff like this is great when you are trying to find performance ceiling of some workload. literally nothing to hide.
1. https://github.com/nathants/bsv/blob/master/util/array.h
2. https://github.com/nathants/bsv/blob/master/util/map.h
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Consider Using CSV
i had a lot of fun exploring the performance ceiling of csv and csv like formats. turns out binary encoding of size prefixed byte arrays is fast[1].
csv is just a sequence of 2d byte arrays. probably avoid if dealing with heterogeneous external data. possibly use if dealing with homogeneous internal data.
https://github.com/nathants/bsv
- Big Data file formats
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GitHub - SixArm/usv: USV: Unicode Separated Values
i like this idea, and do something similar: https://github.com/nathants/bsv
- Ask HN: Have you created programs for only your personal use?
hnrss
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Ask HN: Have you reduced technical knowledge contributions?
That’s interesting.
I have predictive models that can predict if a headline (w/o the rest of the article and not considering the URL) will (a) get more than 10 votes and (b) if it does get more than 10 votes will the votes/comments ratio be more than 2 (which is roughly average)
The first model gets a ROC-AUC (see https://scikit-learn.org/stable/modules/generated/sklearn.me...) in the low 60’s (not good, the second model gets in the low 70’s (actually pretty good though it is a heat seeking missile for clickbait headlines) and my latest content-based recommender for RSS items gets almost 80. (I saw a paper that one system at TikTok gets about 85)
To do all that you need about 10,000 headlines and don’t get a lot of benefit from having more than 100,000. The ceilings on performance have more to do with the nature of the problem rather than my models: the same article can get submitted twice and get 0 votes one time and 200 the other time so it can never be as accurate as “is this an article about galactic astronomy?”
I had it ingest the HN comments firehose and found the amount of articles was overwhelming, my YOShInOn RSS reader now ingests the “best comments” from
https://hnrss.github.io/
together with 110 other feeds and actually I like the comments it picks out a lot. Now that the system is adding about 3000 items per day it might be able to handle a big feed like the comments firehose since now those comments are diluted with so many quality articles. For a problem like that you might want a two-score system with: (i) is it relevant? (something I like) and (ii) is it popular? (like Google’s PageRank)
I think you could make a model that compares comments in the best comments feed with other comments. I have tried formulating the problems above as regression problems where I try to predict the actual score and it does not work well because of the uncertainty problem but formulated as a classification problem for a score over a threshold it is easy to make a well-calibrated model that tells you “this article has a 20% chance of frontpaging” which is about the best anyone can do.
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Ask HN: How can I get rid of addiction to HN?
Subscribe via rss, so you can scratch the curiosity itch and each the FOMO, without coming to the site all the time and looking over the same things 20 times?
https://hnrss.github.io/
- Show HN: Hacker News Outliers
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Ask HN: Is There an HN Reader and Filter?
https://news.ycombinator.com/item?id=9491978
and this https://hnrss.github.io/
ps i’m ok with some % of false positives, but hopefully a sprinkle of OpenAI could keep that magically low?
thanks
- Orange Site Hit
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RSS can be used to distribute all sorts of information
It sounds interesting but I use https://hnrss.github.io/
Unless it had most of the features of hnrss.org I would not be able to use it.
Perhaps you could pivot your approach and submit a PR to hnrss for the feature?
- Ask HN: Who is hiring? (October 2023)
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Tell HN: There is a new highlights page on HN
Looks like there's an unmerged PR on the third-party hnrss project that would add this: https://github.com/hnrss/hnrss/pull/84
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Why your blog still needs RSS
Check out below link to get a more customized, topic wise rss feeds.
https://hnrss.github.io/
- Ask HN: Is there a way to “filter” the posts on HN
What are some alternatives?
parquet-go - pure golang library for reading/writing parquet file
rss-proxy - RSS-proxy allows you to do create an RSS or ATOM feed of almost any website, just by analyzing just the static HTML structure.
tad - A desktop application for viewing and analyzing tabular data
newsboat - An RSS/Atom feed reader for text terminals
ndjson.github.io - Info Website for NDJSON
hackernews-TUI - A Terminal UI to browse Hacker News
fraidycat - Follow blogs, wikis, YouTube channels, as well as accounts on Twitter, Instagram, etc. from a single page.
ALL-about-RSS - A list of RSS related stuff: tools, services, communities and tutorials, etc.
Hacker News API - Documentation and Samples for the Official HN API
NetNewsWire - RSS reader for macOS and iOS.
go-readability - Go package that cleans a HTML page for better readability.
Tiny-Tiny-RSS - A PHP and Ajax feed reader