The best of Hacker News - June 13, 2025

1.
A receipt printer cured my procrastination

835 points

2.
Frequent reauth doesn't make you more secure

745 points

3.
Jemalloc Postmortem

277 points

4.
iPhone 11 emulation done in QEMU

259 points

5.
Maximizing Battery Storage Profits via High-Frequency Intraday Trading

227 points

6.
Rust compiler performance

185 points

7.
Show HN: Tritium – The Legal IDE in Rust

176 points

8.
A Dark Adtech Empire Fed by Fake CAPTCHAs

111 points

9.
Why does my ripped CD have messed up track names? And why is one track missing?

108 points

10.
Show HN: McWig – A modal, Vim-like text editor written in Go

97 points

11.
Rendering Crispy Text on the GPU

92 points

12.
Show HN: Tool-Assisted Speedrunning the Boring Parts of Animal Crossing (GCN)

81 points

13.
Worldwide power grid with glass insulated HVDC cables

58 points

14.
The curse of Toumaï: an ancient skull and a bitter feud over humanity's origins

42 points

15.
Major sugar substitute found to impair brain blood vessel cell function

37 points

16.
Show HN: I wrote a BitTorrent Client from scratch

26 points

17.
Urban Design and Adaptive Reuse in North Korea, Japan, and Singapore

16 points

18.
Three Algorithms for YSH Syntax Highlighting

12 points

19.
Zero shot forecasting: finding the right foundation model for O11Y forecasting

12 points

20.
Slow and Steady, This Poem Will Win Your Heart

4 points

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