Submissions from jonlu.ca

		Snowmen, Recruiters, and Terry Pratchett: The Web's HTTP Header Junk Drawer (jonlu.ca)
		2 points by jonluca 14 days ago \| past
		SkyCards, ground truth: reverse‑engineering a flight‑spotting game (jonlu.ca)
		1 point by ZacnyLos 24 days ago \| past
		Vibecoding native apps has gotten good (jonlu.ca)
		3 points by jonluca 4 months ago \| past
		What is tax loss harvesting? (2021) (jonlu.ca)
		2 points by lord_sudo 8 months ago \| past
		Reverse engineering a flight spotting app (jonlu.ca)
		2 points by jonluca 9 months ago \| past
		Reverse engineering SkyCards, a flight spotting game (jonlu.ca)
		1 point by jonluca 9 months ago \| past
		Finding cool CA license plates (jonlu.ca)
		4 points by jonluca 9 months ago \| past \| 1 comment
		Speeding up zsh and Oh-My-Zsh (2018) (jonlu.ca)
		2 points by vinhnx 10 months ago \| past
		Poker for Founders (jonlu.ca)
		2 points by jonluca on June 3, 2025 \| past
		Speeding up PyTorch cold start times (jonlu.ca)
		2 points by jonluca on June 3, 2025 \| past
		How Magic Links Web3 wallet works (jonlu.ca)
		1 point by jonluca on July 4, 2023 \| past
		Writing fast async HTTP requests in Python (jonlu.ca)
		2 points by prhrb on June 29, 2023 \| past
		Noticing when an app is only hosted in us-east-1 (jonlu.ca)
		249 points by jonluca on June 28, 2023 \| past \| 182 comments
		Feeling when an app only deploys to us-east-1 (jonlu.ca)
		1 point by jonluca on June 27, 2023 \| past
		Noticing when an app has servers in different regions (jonlu.ca)
		1 point by jonluca on June 26, 2023 \| past
		Reverse engineering iMessage to add semantic search (jonlu.ca)
		2 points by jonluca on April 19, 2023 \| past
		Show HN: MiMessage – continue your iMessage conversations with ChatGPT (jonlu.ca)
		2 points by jonluca on April 17, 2023 \| past
		iMessage Wrapped - semantic search, stats, and AI conversations (jonlu.ca)
		4 points by jonluca on April 14, 2023 \| past
		Reversing Resy's API to create a reservation bot (jonlu.ca)
		3 points by jonluca on June 2, 2022 \| past
		Getting a vanity phone number with four consecutive digits (jonlu.ca)
		105 points by jonluca on May 30, 2022 \| past \| 130 comments
		Getting a vanity phone number with 4 consecutive digits (jonlu.ca)
		4 points by jonluca on May 28, 2022 \| past
		Reversing Resy's API to create a JavaScript client (jonlu.ca)
		1 point by jonluca on May 9, 2022 \| past
		Nintendo Switch prevents downgrades by irreparably blowing its own fuses (2020) (jonlu.ca)
		533 points by lord_sudo on March 23, 2022 \| past \| 481 comments
		Analyzing Seated’s restaurants by reversing their API (jonlu.ca)
		2 points by ohjeez on Jan 8, 2022 \| past
		Analyzing Seated's restaurants by reversing their API (jonlu.ca)
		3 points by jonluca on Jan 2, 2022 \| past
		Ryanair, Hamiltonian Cycles, and using graph theory to find cheap flights (2018) (jonlu.ca)
		2 points by jonluca on Dec 28, 2021 \| past
		Making 1000 HTTP requests per second in Python (jonlu.ca)
		31 points by jonluca on Dec 24, 2021 \| past \| 26 comments
		Writing a script to get any open table reservation (jonlu.ca)
		2 points by jonluca on Dec 23, 2021 \| past
		Writing an OpenTable Bot (jonlu.ca)
		1 point by jonluca on Dec 22, 2021 \| past
		Snapshotting memory to scrape encrypted network requests (jonlu.ca)
		78 points by jonluca on Dec 22, 2021 \| past \| 8 comments
		More

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