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The new OpenAI GPT 5.2 Model

https://devnavigator.com/2025/12/12/introducing-the-new-openai-gpt-5-2-model/
1•devnavigator•28s ago•0 comments

اdifference gbps overview find answers

1•shahrtjany•29s ago•0 comments

Measuring Impact of Early-2025 AI on Experienced Open-Source Dev Productivity

https://arxiv.org/abs/2507.09089
1•vismit2000•2m ago•0 comments

Show HN: Lazy Demos

http://demoscope.app/lazy
1•admtal•3m ago•0 comments

AI-Driven Facial Recognition Leads to Innocent Man's Arrest (Bodycam Footage) [video]

https://www.youtube.com/watch?v=B9M4F_U1eEw
1•niczem•3m ago•1 comments

Annual Production of 1/72 (22mm) scale plastic soldiers, 1958-2025

https://plasticsoldierreview.com/ShowFeature.aspx?id=27
1•YeGoblynQueenne•4m ago•0 comments

Error-Handling and Locality

https://www.natemeyvis.com/error-handling-and-locality/
1•Theaetetus•6m ago•0 comments

Petition for David Sacks to Self-Deport

https://form.jotform.com/253464131055147
1•resters•6m ago•0 comments

Get found where people search today

https://kleonotus.com/
1•makenotesfast•8m ago•1 comments

Show HN: An early-warning system for SaaS churn (not another dashboard)

https://firstdistro.com
1•Jide_Lambo•9m ago•1 comments

Tell HN: Musk has never *tweeted* a guess for real identity of Satoshi Nakamoto

1•tokenmemory•9m ago•1 comments

A Practical Approach to Verifying Code at Scale

https://alignment.openai.com/scaling-code-verification/
1•gmays•11m ago•0 comments

Show HN: macOS tool to restore window layouts

https://github.com/zembutsu/tsubame
1•zembutsu•14m ago•0 comments

30 Years of <Br> Tags

https://www.artmann.co/articles/30-years-of-br-tags
1•FragrantRiver•21m ago•0 comments

Kyoto

https://github.com/stevepeak/kyoto
2•handfuloflight•21m ago•0 comments

Decision Support System for Wind Farm Maintenance Using Robotic Agents

https://www.mdpi.com/2571-5577/8/6/190
1•PaulHoule•22m ago•0 comments

Show HN: X-AnyLabeling – An open-source multimodal annotation ecosystem for CV

https://github.com/CVHub520/X-AnyLabeling
1•CVHub520•25m ago•0 comments

Penpot Docker Extension

https://www.ajeetraina.com/introducing-the-penpot-docker-extension-one-click-deployment-for-self-...
1•rainasajeet•25m ago•0 comments

Company Thinks It Can Power AI Data Centers with Supersonic Jet Engines

https://www.extremetech.com/science/this-company-thinks-it-can-power-ai-data-centers-with-superso...
1•vanburen•28m ago•0 comments

If AIs can feel pain, what is our responsibility towards them?

https://aeon.co/essays/if-ais-can-feel-pain-what-is-our-responsibility-towards-them
3•rwmj•32m ago•5 comments

Elon Musk's xAI Sues Apple and OpenAI over App Store Drama

https://mashable.com/article/elon-musk-xai-lawsuit-apple-openai
1•paulatreides•35m ago•1 comments

Ask HN: Build it yourself SWE blogs?

1•bawis•36m ago•1 comments

Original Apollo 11 Guidance Computer source code

https://github.com/chrislgarry/Apollo-11
3•Fiveplus•41m ago•0 comments

How Did the CIA Lose Nuclear Device?

https://www.nytimes.com/interactive/2025/12/13/world/asia/cia-nuclear-device-himalayas-nanda-devi...
1•Wonnk13•42m ago•0 comments

Is vibe coding the new gateway to technical debt?

https://www.infoworld.com/article/4098925/is-vibe-coding-the-new-gateway-to-technical-debt.html
2•birdculture•46m ago•1 comments

Why Rust for Embedded Systems? (and Why I'm Teaching Robotics with It)

https://blog.ravven.dev/blog/why-rust-for-embedded-systems/
2•aeyonblack•47m ago•0 comments

EU: Protecting children without the privacy nightmare of Digital IDs

https://democrats.eu/en/protecting-minors-online-without-violating-privacy-is-possible/
3•valkrieco•47m ago•0 comments

Using E2E Tests as Documentation

https://www.vaslabs.io/post/using-e2e-tests-as-documentation
1•lihaoyi•48m ago•0 comments

Apple Welcome Screen: iWeb

https://www.apple.com/welcomescreen/ilife/iweb-3/
1•hackerbeat•49m ago•1 comments

Accessible Perceptual Contrast Algorithm (APCA) in a Nutshell

https://git.apcacontrast.com/documentation/APCA_in_a_Nutshell.html
1•Kerrick•50m ago•0 comments
Open in hackernews

Old Timey Code and Old Timey Mono Fonts

https://github.com/dse/old-timey-mono-font
192•dsevil•7mo ago

Comments

dsevil•7mo ago
Based on Reproducing Typewriter, a letterpress typeface from c. 1906 used to create fake typewritten letters for promotional material. Where other monospace typefaces replicated actual typewriters, Reproducing Typewriter had improvements for better readability at smaller point sizes and/or where poor quality reproduction was an issue.

I thought its features would make it the basis of a good coding font, too. Old Timey Mono is much closer to the original while Old Timey Code makes it an even better typeface for writing source code.

It was the coding font used in the Turbo Pascal 3.0 user manual. I've not seen it elsewhere except old patents' cover pages.

Enjoy and if you have any comments or questions, comment or enquire away.

https://github.com/dse/old-timey-mono-font

https://webonastick.com/fonts/old-timey-mono/

chrchr•7mo ago
It's gorgeous. Thanks for making and sharing it!
bluenose69•7mo ago
Based on the first link, it seems as though zero and upper-case "O" are very similar. (My eyes cannot discern a difference, but I admit that my eyes are not top-notch.)
JonathonW•7mo ago
In Old Timey Mono, lowercase "L" and the number "1" are also very similar.

Old Timey Code fixes both of these-- it has a slashed zero and redraws the number 1 to be distinct (angles the top serif).

somat•7mo ago
The original typewriter had no "0" or "1" you were expected to use "I" or "O" in place. I suspect an authentic typeface should have trouble distinguishing them.

and having said that, forget authenticity, I really appreciate typefaces that make an effort to distinguish all characters.

dsevil•7mo ago
I was taught to use lowercase letter L for the digit 1 though I did see typewriter samples using the capital I.
VTimofeenko•7mo ago
Thanks so much for making it! Usually fonts like this are a non-starter for me since they lack Cyrillic letters. Your inclusion of those symbols is much appreciated.
merecactus•7mo ago
Thank you so much for making and sharing this. I'm especially grateful that you included the code variant. I'm not a programmer but love monospace fonts but the lack of a slashed zero in so many otherwise lovely fonts has been a deal breaker for me!
syeare•7mo ago
Spotted my kin!

What is it that makes slashed zeroes so nuch more appealing than the other kinds of "zeroes"? Slashed zeroes are definitely much better than those nasty dotted inverse donut zeroes

How does a dot in a zero even make any kinda logical sense? It's like a piece of dough floating in midair in the center of a donut

Dotted zeroes [insert copypasta] bad

I don't even know why I'm so obsessed with the slash in zeroes

sollewitt•7mo ago
I will defend the honor of dotted zeros! I really like the zero in Space Mono, I think that nailed the retro future aesthetic.

IMH(and no design school)O when the character is oblong and the dot is a circle, it creates a similar contrast to the straight slash through an ellipse, but with less visual weight.

mprovost•7mo ago
Dotted zeros remind me of the BIOS screen on an old monochrome Compaq luggable. Good times.
dsevil•7mo ago
Yeah the dot is mostly a manner of preference. It looks less crowded than slashed zero maybe? The dotted zero does disambiguate from U+00D8 [LATIN CAPITAL LETTER O WITH STROKE](https://en.wikipedia.org/wiki/%C3%98).
actionfromafar•7mo ago
You wouldn't consider changing license to Apache-2.0, or dual license under that?
wmwragg•7mo ago
Looking at the examples, they look good, though one thing stands out, the "w" seems to be bolder than the other letters. The "m" seems fine, as do the other letters and symbols, just the "w".
dsevil•7mo ago
It appears to look that way in the Turbo Pascal manual as well. I'll check ATF specimens and whatnot.
mhd•7mo ago
I'm currently using an old copy of Letter Gothic 12 Pitch from an ancient Ventura Publisher CD, and like that style a lot, so definitely going to try this.
Telemakhos•7mo ago
This is pretty nice: thanks for including polytonic Greek and macrons over Latin vowels including over y. I especially love how the breathing marks and accents look together over initial vowels in Greek, and I love zeta (ζ) and xi (ξ) in this font.

Might I make a few specific suggestions:

- allow combining breve over Latin y as well: sometimes that's handy for indicating contrast

- check the height of stacking diacritical marks: a perispomenos tonos or circumflex accent over a breathing mark over a vowel (like in εἶναι eĩnai) ends up stacking up tall enough to intersect with descenders (like on ζ zeta) from the line above

- the circumflex over alpha (ᾶ) looks really good, because it follows the curve of the alpha itself, but circumflex over eta (ῆ) looks off-center, because it left-aligns to the ear on the left of eta. The same could be said for the iota subscript (ᾳῃῳ): it looks great under alpha and omega, but it's a bit awkward under eta because of how far to the left it is.

- have you considered adding a variation for the Porsonic or single-curve circumflex?

dsevil•7mo ago
Ok so there's no capital or small Y with breve in Unicode.

Are you seeing the combining breve to the right of the Y/y (instead of atop it) when trying to use them?

Your suggestions are welcome, thank you!

ahazred8ta•7mo ago
I'll note the diacritics test page at https://alanwood.net/unicode/combining_diacritical_marks.htm... -- is there a better one?
ahazred8ta•7mo ago
Is ther a test page online that you can recommend?
kleiba•7mo ago
Apparently, the letter ß is not included which is used in German. That's why German is absent from the list of supported languages.
brainwad•7mo ago
Just the uppercase variant ẞ - the lowercase ß _is_ there. Notably, uppercase ẞ didn't exist at the time the source typeface was designed – it was only officially adopted 111 years later in 2017.
olelele•7mo ago
Looks great! Will use!
kaitocross•7mo ago
I wonder why Luxembourgish is supported when German is not...
mcv•7mo ago
Maybe Luxembourgish doesn't have an uppercase ẞ?

Dutch is also not supported. Presumbly no support for the 'ij' digraph. But do you even need that in a monospace font? Admittedly old Dutch typewriters used to have a single character for it, but that's really old-timey.

dsevil•7mo ago
I didn't want to even try to mess with ligatures in a monospace font though I did œ and Œ and for WGL4 completeness IJ. So yeah I'll do ij as well...
evan_piermont•7mo ago
Is there a(n easy) way to integrate this into Latex, to use it for math fonts?
phorkyas82•7mo ago
If you want to use non standard fonts, I think, you should use XeLaTex to compile your file. After installing the font in the system, this just worked on my Ubuntu:

\usepackage{mathspec} \setallmainfonts(Digits,Latin){Old Timey Mono}

\begin{document}

Just test some equation \begin{equation} \frac{e^x}{2-x} = \int_0^\infty f(x)dx \end{equation}

\end{document}

plumbees•7mo ago
Windows is not liking the font files :( Will wait for next release
dsevil•7mo ago
When clicking to OPEN them (which I'm not able to do) or just right-clicking to INSTALL them (which I'm able to do)?
JohnDeHope•7mo ago
I can't tell if you're aiming for a faithful reproduction of the original font, or to make the coding font modern and most useful to today's developer. But... Can the code variant have the asterisk used to represent multiplication be on the same line as other math operators like plus, minus, and tilde? +-~* I always like the asterisk to be in line with the others. Maybe I am just weird. Also for the code variant I think the pound or hash mark # could be reduced in drama a little, to fit in with the other punctuation marks. Thanks for listening to my two cents.
dsevil•7mo ago
Old Timey Mono is the mostly faithful reproduction.

Old Timey Code is the coding friendly font.

I'm aiming for both.

psunavy03•7mo ago
I'm trying the code version out, and the only minor tweak I could mention is that having the option for a dotted zero would be clutch. The other typewriter font that has one is narrower, and this one reads better otherwise, at least to me.