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Show HN: TapeSim – Practice Reading the Tape

https://tapesim.app/
1•abstractcontrol•1h ago
I made this replay simulator desktop app as a part of the Building The Trading Edge playlist on Youtube. It's my first commercial product. I needed a replay simulator that could do full tick-by-tick order book replay on US equities and when I couldn't find any, I made my own in F#.

If any of you ever wanted to learn to daytrade stocks, use this to practice before risking any money first.

Playwright for Godot

https://github.com/mrf/godot-stagehand
1•markferree•55s ago•1 comments

Meta backs off tracking workers' keystrokes after they revolt

https://boingboing.net/2026/06/03/meta-backs-off-tracking-workers-keystrokes-after-they-revolt.html
1•DropDead•1m ago•0 comments

Scale Kubernetes deployments to zero using KEDA

https://mijndertstuij.nl/posts/scale-to-zero-keda-cron-scaler/
1•speckx•11m ago•0 comments

Open Source, Co-Ops and a History of Bias in Corporate America

https://radicaltherapy.substack.com/p/open-source-co-ops-and-a-history
1•glind72•12m ago•0 comments

Department of Energy Celebrates First Advanced Reactor Criticality

https://www.energy.gov/articles/department-energy-celebrates-first-advanced-reactor-criticality
1•geox•14m ago•0 comments

Scientists Gave Cocaine to Salmon and You Will Believe What Happened

https://www.wired.com/story/cocaine-fueled-wild-salmon-swam-twice-as-far-as-sober-ones/
1•PaulHoule•16m ago•0 comments

Granite Switch: Building AI more like software

https://research.ibm.com/blog/granite-libraries-project-switch
1•yangikan•18m ago•0 comments

Bonsai Browser: Reader-mode for every page, powered by a local LLM, Nothing Else

https://drive.google.com/drive/folders/1qDYvycW4Ki0gAppMGhvSixUCioIRXcmN
2•coolwulf•18m ago•0 comments

Show HN: OWASP VulnerableApp Modern Extensible and Scalable vulnerable app

https://github.com/SasanLabs/VulnerableApp
2•newaccount12344•18m ago•0 comments

The Anatomy of a Learning Stall

https://tagide.com/blog/llm/the-anatomy-of-a-learning-stall/
1•azhenley•18m ago•0 comments

Siddhartha (1922): Competence Porn – before it was cool

https://acxreviews.robennals.org/reviews/siddhartha-1922-by-hermann-hesse
2•Gooblebrai•19m ago•0 comments

The Man Whose Job Is Making Sure We Don't Have Blackouts This Summer

https://www.wsj.com/business/blackouts-electricity-data-centers-david-mills-pjm-d1c499fe
1•impish9208•19m ago•1 comments

I Just watched "We just launched Paxel" by narrated by Garry Tan [video]

https://www.youtube.com/shorts/ywS7Ytkx3A0
1•mockingloris•20m ago•2 comments

Do I Need to Learn the Domain? Do I Want To?

https://ianmcnaughton.net/blog/do-i-need-to-learn-the-domain/
1•wc_nomad•21m ago•0 comments

I am getting sick and tired of our AI oligarchs

https://news.ycombinator.com/from?site=eversoleken.substack.com
2•kennethops•22m ago•1 comments

The Legacy of Spam

https://siderite.dev/blog/legacy-of-spam
2•speckx•22m ago•0 comments

China builds an economic fortress as global tensions rise

https://www.nytimes.com/2026/06/05/business/china-investment-rules.html
2•leonidasrup•23m ago•0 comments

Lateos/NPM-scan v1.2.0: Detecting Native Addon Malware (node-gyp Abuse)

https://github.com/lateos-ai/npm-scan/blob/main/VALIDATION.md
1•lateos-ai•23m ago•1 comments

Show HN: I rebuilt a tiny old volleyball game I loved

https://volleyhop.com/
2•cebceb•25m ago•0 comments

Reason Behind a Startup's Success

https://orchidfiles.com/reason-behind-startups-success/
1•theorchid•26m ago•0 comments

RemotePower – self-hosted remote power management

https://github.com/tyxak/remotepower
1•stenit•29m ago•0 comments

What Is an Agent?

https://tidydesign.substack.com/p/what-is-an-agent
1•yurivish•30m ago•0 comments

Google to pay SpaceX $920M a month for compute capacity at xAI data centers

https://www.cnbc.com/2026/06/05/google-to-pay-spacex-920-million-a-month-for-xai-compute-capacity...
23•toephu2•31m ago•4 comments

Partitions over Permutations

https://www.johndcook.com/blog/2026/06/04/partitions-over-permutations/
1•ibobev•31m ago•0 comments

Chatting via Meshtastic in Emacs

https://en.andros.dev/blog/1a6f3018/chatting-via-meshtastic-in-emacs/
1•ibobev•32m ago•0 comments

Constants and pure functions in Python: how to do it right

https://en.andros.dev/blog/5afd804f/constants-and-pure-functions-in-python-how-to-do-it-right/
1•ibobev•32m ago•0 comments

Gullible Bots Gobbling Slop

https://old.reddit.com/r/PoisonFountain/comments/1tx2vlo/gullible_bots_gobbling_slop/
2•busymom0•34m ago•0 comments

AI's Wrong Answers Are Bad. Its Wrong Reasoning Is Worse

https://www.msn.com/en-us/news/technology/ai-s-wrong-answers-are-bad-its-wrong-reasoning-is-worse...
3•galaxyLogic•35m ago•0 comments

Writing vs. Shipping: Productivity Effects Across Generations of AI Coding Tools

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6843118
2•b-man•35m ago•0 comments

Netty VirtualThread Scheduler

https://github.com/franz1981/Netty-VirtualThread-Scheduler
1•mfiguiere•36m ago•0 comments