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Show HN: I built a RAG engine to search Singaporean laws

https://github.com/adityaprasad-sudo/Explore-Singapore
1•ambitious_potat•3m ago•0 comments

Scams, Fraud, and Fake Apps: How to Protect Your Money in a Mobile-First Economy

https://blog.afrowallet.co/en_GB/tiers-app/scams-fraud-and-fake-apps-in-africa
1•jonatask•3m ago•0 comments

Porting Doom to My WebAssembly VM

https://irreducible.io/blog/porting-doom-to-wasm/
1•irreducible•4m ago•0 comments

Cognitive Style and Visual Attention in Multimodal Museum Exhibitions

https://www.mdpi.com/2075-5309/15/16/2968
1•rbanffy•6m ago•0 comments

Full-Blown Cross-Assembler in a Bash Script

https://hackaday.com/2026/02/06/full-blown-cross-assembler-in-a-bash-script/
1•grajmanu•11m ago•0 comments

Logic Puzzles: Why the Liar Is the Helpful One

https://blog.szczepan.org/blog/knights-and-knaves/
1•wasabi991011•22m ago•0 comments

Optical Combs Help Radio Telescopes Work Together

https://hackaday.com/2026/02/03/optical-combs-help-radio-telescopes-work-together/
2•toomuchtodo•27m ago•1 comments

Show HN: Myanon – fast, deterministic MySQL dump anonymizer

https://github.com/ppomes/myanon
1•pierrepomes•33m ago•0 comments

The Tao of Programming

http://www.canonical.org/~kragen/tao-of-programming.html
1•alexjplant•34m ago•0 comments

Forcing Rust: How Big Tech Lobbied the Government into a Language Mandate

https://medium.com/@ognian.milanov/forcing-rust-how-big-tech-lobbied-the-government-into-a-langua...
1•akagusu•34m ago•0 comments

PanelBench: We evaluated Cursor's Visual Editor on 89 test cases. 43 fail

https://www.tryinspector.com/blog/code-first-design-tools
2•quentinrl•37m ago•2 comments

Can You Draw Every Flag in PowerPoint? (Part 2) [video]

https://www.youtube.com/watch?v=BztF7MODsKI
1•fgclue•42m ago•0 comments

Show HN: MCP-baepsae – MCP server for iOS Simulator automation

https://github.com/oozoofrog/mcp-baepsae
1•oozoofrog•46m ago•0 comments

Make Trust Irrelevant: A Gamer's Take on Agentic AI Safety

https://github.com/Deso-PK/make-trust-irrelevant
5•DesoPK•49m ago•0 comments

Show HN: Sem – Semantic diffs and patches for Git

https://ataraxy-labs.github.io/sem/
1•rs545837•51m ago•1 comments

Hello world does not compile

https://github.com/anthropics/claudes-c-compiler/issues/1
33•mfiguiere•57m ago•19 comments

Show HN: ZigZag – A Bubble Tea-Inspired TUI Framework for Zig

https://github.com/meszmate/zigzag
3•meszmate•59m ago•0 comments

Metaphor+Metonymy: "To love that well which thou must leave ere long"(Sonnet73)

https://www.huckgutman.com/blog-1/shakespeare-sonnet-73
1•gsf_emergency_6•1h ago•0 comments

Show HN: Django N+1 Queries Checker

https://github.com/richardhapb/django-check
1•richardhapb•1h ago•1 comments

Emacs-tramp-RPC: High-performance TRAMP back end using JSON-RPC instead of shell

https://github.com/ArthurHeymans/emacs-tramp-rpc
1•todsacerdoti•1h ago•0 comments

Protocol Validation with Affine MPST in Rust

https://hibanaworks.dev
1•o8vm•1h ago•1 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
4•gmays•1h ago•0 comments

Show HN: Zest – A hands-on simulator for Staff+ system design scenarios

https://staff-engineering-simulator-880284904082.us-west1.run.app/
1•chanip0114•1h ago•1 comments

Show HN: DeSync – Decentralized Economic Realm with Blockchain-Based Governance

https://github.com/MelzLabs/DeSync
1•0xUnavailable•1h ago•0 comments

Automatic Programming Returns

https://cyber-omelette.com/posts/the-abstraction-rises.html
1•benrules2•1h ago•1 comments

Why Are There Still So Many Jobs? The History and Future of Workplace Automation [pdf]

https://economics.mit.edu/sites/default/files/inline-files/Why%20Are%20there%20Still%20So%20Many%...
2•oidar•1h ago•0 comments

The Search Engine Map

https://www.searchenginemap.com
1•cratermoon•1h ago•0 comments

Show HN: Souls.directory – SOUL.md templates for AI agent personalities

https://souls.directory
1•thedaviddias•1h ago•0 comments

Real-Time ETL for Enterprise-Grade Data Integration

https://tabsdata.com
1•teleforce•1h ago•0 comments

Economics Puzzle Leads to a New Understanding of a Fundamental Law of Physics

https://www.caltech.edu/about/news/economics-puzzle-leads-to-a-new-understanding-of-a-fundamental...
3•geox•1h ago•1 comments
Open in hackernews

Examples from The LaTeX Companion book (3rd edition)

https://ctan.org/pkg/tlc3-examples
77•teleforce•4mo ago

Comments

haunter•4mo ago
Not sure why is this posted here, pretty much useless without the book
maweki•4mo ago
Who doesn't own the third edition of the LaTeX Companion book?
psychoslave•4mo ago
Hmm, I guess most people. Just like TAOC, everybody talk about it and even those who buy it let it rot on a shelve.

I remember in university one of the professor coming to me during my master asking how did I achieved this fancy stuff in my report. Dude I just red the book, lol. I didn't manage to validate my M2 though, double lol. :D

sombragris•4mo ago
Well, it's a reference book, not a tutorial. You "let it rot on a shelve" until that moment when you need to achieve a specific outcome in your LaTeX code and then check out the book.
psychoslave•4mo ago
Just when I started to look back at latex to typeset some poetry of mine yesterday!

Been a while since I didn't touch it, so I didn't even have texlive installed on my Ubuntu box, and started a chase of dependency to make my French specific stuff to install. I still need to see if I can manage to make the three strophe I wrote be as rectangle shaped as possible, be it with automatic line break on a vers (not sure the term in English) to the next row right aligned and preceded with a [

gucci-on-fleek•4mo ago
I'm not 100% sure what you're looking for, but placing "\parfillskip=0pt" at the start of the paragraph will make the last line end on the right margin, which I think is what you mean by "rectangle shaped".
bombcar•4mo ago
There are packages that support poetry directly.

And if you’ve not seen the memoir package collection it (and the accompanying ebook on typesetting) is worth a look.

bobajeff•4mo ago
This[1] is what I use. So far haven't needed anything that's not supported by Katex. and Pandoc doesn't seem to have any problem with converting my stuff to Latex.

The only real problems I ever ran into were due to markdown (errors?) that vscode preview ignores but pandoc trips over. Mostly having to do with not leaving blank lines between different Markdown elements.

[1]: https://katex.org/docs/supported.html

gucci-on-fleek•4mo ago
KaTeX and MathJax aren't really the same as (La)TeX at all though---they support the same math syntax, but LaTeX is a complete document processing system while KaTeX is just a math renderer.

KaTeX + Markdown is comparable to LaTeX, in the same way that notepad.exe is comparable to an IDE---they both do the same thing, but one has 1000× as many features as the other. I'm personally biased towards LaTeX, but simpler solutions like Markdown certainly have their place.

WillAdams•4mo ago
First, anyone who is interested in this should buy the books:

https://www.informit.com/store/latex-companion-parts-i-ii-3r...

I was certainly glad to, since the binding was breaking on my 2nd edition due to constant usage, and I was glad to have the option of buying hardcovers.

Second, work through a good tutorial, there are many, but I like: https://tug.ctan.org/info/lshort/english/lshort.pdf

Third, learn your way around CTAN, and https://tex.stackexchange.com/ --- for pretty much any problem you have, there should be a package or code snippet which addresses it, if not ask on SE or https://old.reddit.com/r/LaTeX/ after searching (and let folks know what terminology you used in your search), and consider using one of the nice well-documented documentstyles suited to your project --- Koma is good for Europeans, I like Memoir and not just because the first author was kind enough to consider my suggestions for the manual or implement some simplistic code I sent in (has anyone heard from Peter Wilson lately?)

Lastly, when working with macros and packages and so forth, conceptually divide them between semantic markup (this bit of code describes how this text/number should be represented and thought of) and appearance (this bit of code is necessary to get the text on the page at this pagination state in the best possible way) --- all of the latter macros should be defined twice, once as null ops in one package file, a second time redefined to actually do what is desired in a second package --- that way, the page can be set without them just by commenting out the second package. It's even better if all such macros are named in such a way that they can be easily commented out w/ a find-replace.

falcor84•4mo ago
> First, anyone who is interested in this should buy the books:

> https://www.informit.com/store/latex-companion-parts-i-ii-3r...

I'm getting "Sorry, this book is no longer in print."

mbarr•4mo ago
Here's the link to the in-print version:

https://www.informit.com/store/latex-companion-parts-i-ii-97...

WillAdams•4mo ago
My apologies, didn't notice that the hardcover was out-of-print and that the paperback is what is available:

https://www.informit.com/store/latex-companion-part-i-978013...

dmlorenzetti•4mo ago
Regarding the idea to have some macros that expand to null when unwanted -- I have some "developer" macros that, in day-to-day use, do things like showing TODO items.

The most useful one typesets the labels of equations, sections, figures, and so forth, so I can copy-paste right from the document as I'm editing. That makes it so much easier to insert cross-references while writing, without breaking the flow to search out the definition.

Rather than commenting out packages, I have two top-level input files, which `\input{}` the actual content. Those files differ only where they read the developer-oriented definitions:

    \input{latex_input/defn/dev_defns_for_devs.tex}
versus

    \input{latex_input/defn/dev_defns_for_release.tex}
mbarr•4mo ago
Looks like there's an update to the tutorial:

https://tobi.oetiker.ch/lshort/lshort.pdf

jdnier•4mo ago
> should buy the books

Yes I totally will, err..., oh my, ebook for $91.99, paperback for $127.99. What's going on with these prices? These aren't college textbooks. I'm glad to hear about the 3rd edition but the cost gives me pause.

WillAdams•4mo ago
I recall them being less expensive when first released.

Either there has been a new printing which was done overseas and was affected by tariffs or more expensive for some other reason, or the copies in the warehouse were taxed as inventory (blame Congress for that, it was a major change in the tax law and it created the current mess of remaindered books and no back-list and ever spiraling book prices).

gucci-on-fleek•4mo ago
> has anyone heard from Peter Wilson lately?

Unfortunately, he seems to have gone missing [0].

[0]: https://tug.org/TUGboat/tb46-1/tb142beet.pdf