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Alok Menghrajani

Personal blog · quaxio.com · on HN as amenghrasecurityprogramming

Alok Menghrajani's personal blog at quaxio.com covers security and programming. Since 2013, 25 different Hacker News readers have linked it 68 times, most often “Hacker News' favorite Xkcd comics (2022)”. It is still writing: the last post was on 2026-05-22, and you can follow it by feed.

Visit the blog
68mentions?
25HN people?
2013–2026first – last linked?
Links on Hacker News per year · peak 9 in 2020

Too few sampled comments (12) to say how often HN recommends it.?

Why HN links it

Alok Menghrajani's site of technical write-ups and demos: a bootable CD with a retro game in one tweet, regex golf, a CSS-only clock, a QR quine, and an Ackermann steering demo. Commenters mostly link it as a source.

Summarised by Claude from a sample of 12 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Previously: security engineer at Square/Block, co-author of HackLang, put the 's' in https at Facebook/Meta. Maker of CTFs.

The author on HN?

amenghra · 3,692 karma · member since 2012

Infosec: https://zxs.ch/ Blog: https://www.quaxio.com/ My email is the solution to the puzzle at https://quaxio.com/contact_me.html meet.hn/city/46.3820585,6.2402791/Nyon

From their public HN profile, which links to this site.

Most-linked posts?

  1. /pure_css_digital_clock.css
    4 people · 4 mentions · first linked 2020-12-31
  2. Hacker News' favorite Xkcd comics (2022)
    3 people · 4 mentions · first linked 2022-11-30
  3. Pure Digital CSS, Swiss Made, Clock – No JavaScript, almost no HTML
    3 people · 3 mentions · first linked 2020-12-31
  4. Qrquine: A QR code based quine (2013)
    3 people · 3 mentions · first linked 2019-12-12
  5. Running a 40-plus-year-old piece of code in today's browser
    2 people · 4 mentions · first linked 2020-10-27
  6. A bootable CD image with a retro game in a single tweet
    2 people · 2 mentions · first linked 2018-07-31
  7. Legally hacking my manager's Facebook account
    2 people · 2 mentions · first linked 2016-10-06

What Hacker News says?

  1. Yes, they are copyrighted. The link to article points to this equivalent, free ECMA 119 standard: https://www.quaxio.com/files/2018/bootable_cd_retro_game_twe...

    Comment linking /files/2018/bootable_cd_retro_game_tweet/ecma-119.pdf

    on “A bootable CD image with a retro game in a single tweet”
  2. Submitted A bootable CD image with a retro game in a single tweet as a story · 1004 points

    HN discussion
  3. Make sure you check out the floppy version from ~3 years ago. Fits in “old” tweets (ie 140 chars): https://www.quaxio.com/bootloader_retro_game_tweet/

    Comment linking /bootloader_retro_game_tweet/

    on “A bootable CD image with a retro game in a single tweet”
  4. Submitted Show HN: I made a deceptively simple but hard sliding puzzle as a story · 281 points

    HN discussion
  5. https://quaxio.com/ My personal site, been around since the mid 90s. Lots of posts about programming, code golfing, math, etc. For several years, I spent ~50h a month writing one (hopefully) high quality post. Haven’t been able to keep that commitment lately, so it’s more like a post a year at this point.

    Comment linking /

    on “Ask HN: Share your personal site”
  6. Submitted Pure Digital CSS, Swiss Made, Clock – No JavaScript, almost no HTML as a story · 145 points

    HN discussion
  7. An Artisanal QR Code [1] shows how to compute the checksum by hand using arithmetic similar to a long division. There are actually two slightly different codes (Reed-Solomon and BCH) for different pieces of information. [1] https://www.quaxio.com/an_artisanal_qr_code.html

    Comment linking /an_artisanal_qr_code.html

    on “Reading QR codes without a computer”
  8. Submitted Hacker News' favorite Xkcd comics (2022) as a story · 91 points

    HN discussion
  9. In a similar vain to the second link, I previously wrote about using css to truncate git hashes so that search functionality continues to work: https://www.quaxio.com/truncating_hashes.html

    Comment linking /truncating_hashes.html

    on “Don’t use “click here” as link text (2001)”
  10. Submitted Unicode superscript numeral rendering bugs as a story · 26 points

    HN discussion
  11. You can revive <blink> with a tiny bit of css: https://www.quaxio.com/blink.html

    Comment linking /blink.html

    on “Every HTML Element”
  12. Submitted Do you know your bitwise operators? as a story · 18 points

    HN discussion
  13. I made a JavaScript port, that might be easier to decipher if you are more familiar with js than C: https://quaxio.com/pi.html

    Comment linking /pi.html

    on “Piet: Programming language in which programs look like abstract paintings (2002)”
  14. Submitted Hacker News' favorite Xkcd comics as a story · 5 points

    HN discussion
  15. I don't consider myself a datascientist but I did some HN x XKCD analysis a while ago. The HN dataset is hosted on Google BigQuery and it is included in some TB per month of free tier processing you get. I.e. you can answer your question quite easily. See my stuff if you are interested: https://www.quaxio.com/hackernews_xkcd_citations/

    Comment linking /hackernews_xkcd_citations/

    on “Hold on there: WPA3 connections fail after 11 hours”
  16. Submitted Types of Circuit Boards as a story · 4 points

    HN discussion
  17. SKS don’t implement any modern web security features (the whole thing does pre-date the web!) — as a result, you can (ab)use SKS as a free backend store for your JavaScript apps: https://www.quaxio.com/message_board_over_pgp_key_servers.ht...

    Comment linking /message_board_over_pgp_key_servers.html

    on “SKS Keyserver Network Under Attack”
  18. Submitted Running a 40-plus-year-old piece of code in today's browser as a story · 3 points

    HN discussion
  19. An artisanal QR code goes over the error correcting code by manually calculating the long division: https://www.quaxio.com/an_artisanal_qr_code.html

    Comment linking /an_artisanal_qr_code.html

    on “Creating a QR Code step by step”
  20. Submitted Qrquine: A QR code based quine (2013) as a story · 3 points

    HN discussion
  21. https://www.quaxio.com/simple_auditable_anonymous_voting_sch... explains how to create a toy voting system which both preserves privacy and where everyone can tally the votes. If you were to actually build something like this, you would use blind signature. But having this toy example shows that the two concepts aren't exclusif.

    Comment linking /simple_auditable_anonymous_voting_scheme/

    on “Hacking Voting Machines at Defcon”
  22. Submitted Pure Digital CSS, Swiss Made, Clock. No JavaScript, No HTML as a story · 3 points

    HN discussion
  23. A short collection of similar puzzles that have been shared with me over the years: https://quaxio.com/some_math_puzzles/

    Comment linking /some_math_puzzles/

    on “Seven Puzzles You Think You Must Not Have Heard Correctly (2006) [pdf]”
  24. Submitted &lt;blink&gt; howto as a story · 3 points

    HN discussion
  25. From: http://quaxio.com/triple/ ^([0369]|[258][0369]*[147]|[147]([0369]|[147][0369]*[258])*[258]|[258][0369]*[258]([0369]|[147][0369]*[258])*[258]|[147]([0369]|[147][0369]*[258])*[147][0369]*[147]|[258][0369]*[258]([0369]|[147][0369]*[258])*[147][0369]*[147])*$

    Comment linking /triple/

    on “Regex Golf”
  26. Submitted Spooky Fizz Buzz as a story · 3 points

    HN discussion
  27. Nice! You might enjoy my bootloader + retro game which fits in a tweet: https://www.quaxio.com/bootable_cd_retro_game_tweet/ It might also help you figure out how to put the pdf first. You'll increase the odds of various viewers being able to render the pdf.

    Comment linking /bootable_cd_retro_game_tweet/

    on “Show HN: My CV is also a bootloader”
  28. Submitted Show HN: Hacker's favorite XKCD comics as a story · 2 points

    HN discussion
  29. https://www.quaxio.com/an_artisanal_qr_code.html and PagedOut! Issue #2 have a qrcode from scratch including the error code calculation using long division. Enjoy!

    Comment linking /an_artisanal_qr_code.html

    on “Creating a QR Code step by step”
  30. Submitted Running a 40-plus-year-old piece of code in today's browser as a story · 2 points

    HN discussion

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