HN Top 10 — June 29, 2026
Today’s Top 10 on Hacker News
1. HackerRank open sourced its ATS. My resume scored 90/100. Oh wait 74. No – 88
⭐ 510 💬 202 👤 sambellll 🔗 Discuss on HN
The author shares their experience using HackerRank’s newly open-sourced applicant tracking system to score their own resume, noting how scores fluctuate between 74 and 90 depending on minor formatting and keyword changes. The post highlights how ATS algorithms can produce inconsistent results and the broader implications for job seekers navigating automated screening.
2. GLM 5.2 beats Claude in our benchmarks
⭐ 879 💬 407 👤 jms703 🔗 Discuss on HN
This post presents benchmark results from the GLM-5.2 model developed by THUDM, showing competitive performance against Claude on various AI evaluation tasks. The benchmarks likely cover reasoning, coding, multilingual capabilities, and instruction-following to demonstrate the model’s strengths across different AI capability dimensions.
3. Pollen (CEO Negus-Fancey, CTO Wright) tried to remove article, and Google helped
⭐ 177 💬 23 👤 taubek 🔗 Discuss on HN
This post discusses a controversy where Pollen executives attempted to suppress a news article about the company, with Google reportedly assisting in the removal. It likely examines the intersection of corporate influence, search engine policies, and freedom of information in the context of startup controversies.
4. Dissecting Apple’s Sparse Image Format (ASIF)
⭐ 90 💬 11 👤 supermatou 🔗 Discuss on HN
This post provides a technical deep dive into Apple’s Sparse Image Format, examining how the system handles disk images with sparse allocation for efficient storage of virtual machines and backups. It likely covers the file structure, compression methods, and practical implications for macOS developers working with disk images.
5. NUMA: Cores, memory, and the distance between them
⭐ 33 💬 3 👤 sys_call 🔗 Discuss on HN
This post examines Non-Uniform Memory Access architecture, exploring how CPU cores access local versus remote memory modules and the performance implications of physical distance between processors and RAM. It likely discusses NUMA topology awareness for system optimization and why memory placement matters for high-performance computing.
6. Age verification is just a precursor to automated attribution of speech
⭐ 545 💬 310 👤 arkhiver 🔗 Discuss on HN
This post argues that age verification systems serve as foundational infrastructure for broader speech attribution and surveillance capabilities. It likely examines how seemingly narrow identity requirements create data pipelines and legal precedents that enable much wider tracking and monitoring of online communications.
7. We found a bug in the hyper HTTP library
⭐ 73 💬 13 👤 Pop_- 🔗 Discuss on HN
This post details the discovery of a security vulnerability in the hyper HTTP library, a popular Rust HTTP server and client implementation. It likely explains the nature of the bug, its potential impact on applications using the library, and how the Cloudflare team identified and responsibly disclosed the issue.
8. Historical memory prices 1960-2026
⭐ 321 💬 118 👤 vga1 🔗 Discuss on HN
This post presents a comprehensive historical chart tracking memory prices from the 1960s through 2026, showing the dramatic cost reductions that have driven computing advances over six decades. It likely illustrates Moore’s Law-like trends for storage technology and compares prices across different memory types including core, DRAM, and SSD.
9. Why did this journal retract two 1940s papers by Max Planck?
⭐ 137 💬 6 👤 DR_MING 🔗 Discuss on HN
This post examines the retraction of two papers by Nobel laureate Max Planck from a 1940s publication, raising questions about how modern academic standards are applied retroactively to historical scientific work. It likely explores the ethical and methodological challenges of applying contemporary peer review criteria to research conducted under vastly different historical circumstances.
10. 5k menus from the New York Public Library’s Buttolph Collection (1880-1920)
⭐ 375 💬 96 👤 xbryanx 🔗 Discuss on HN
This post showcases a digital collection of 5,000 restaurant menus from the New York Public Library’s Buttolph Collection, spanning the period from 1880 to 1920. It offers a fascinating glimpse into dining culture, food prices, and culinary trends in American restaurants during the Gilded Age and early Progressive Era.