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Quick facts

• Difficulty: MEDIUM
• Problem: Simplify Path
• Topics: String, Stack

Problem gist

The task is to turn a Unix-style absolute path into its canonical form. A canonical path always starts with one slash, uses one slash between directory names, has no trailing slash unless the path is the root, and removes navigation tokens that do not represent real directory names.

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A Material That Should Not Quite Work

The Scientific American Advances article “Melting Marvel” starts with a contradiction in materials science. Some materials are easy to reshape when heated; others are tough enough to resist impact. The trouble is that these traits often trade off against each other. Window glass can soften gradually, but it breaks easily. Many plastics resist blows better, but they change state more abruptly. For decades, experiments suggested that a glassy material’s melting behavior and toughness were linked in a way that made this trade-off hard to escape.

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TBPN surfaced this June 15, 2026 piece in Brandon Gorrell’s post, The Hand Anthropic Was Dealt. The original URL for this summary is that TBPN post, which frames the day’s central tech-business story around the Trump administration’s order restricting access to Anthropic’s Fable 5 and Mythos 5 models; TBPN also links Politico’s account of the preceding 24 hours, Anthropic’s official statement, CNBC’s follow-up, and several related reactions.

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This summary covers The Economist’s May 30th, 2026 Europe article listed in the contents as The pope and AI and published under the headline Of God and Claude.

Pope Leo’s first encyclical, Magnifica Humanitas, is presented as much more than a routine Vatican statement on modern life. The Economist reads it as an attempt to open a major philosophical fight with Silicon Valley’s most expansive vision of artificial intelligence. The document ranges widely, touching journalism, diplomacy, slavery and just-war doctrine. But the article argues that its central target is the unregulated development of AI and, more deeply, the idea that technology should remake or surpass human beings.

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Former US Attorney General Pam Bondi diagnosed with cancer (r/news)

• Delybe: “Thyroid cancer has a five-year survival rate of over 98% and most forms of it are treatable and permanently curable, according to the Cleveland Clinic. It’s not clear what stage of cancer Bondi has.”
• Linkage006: 3 bouts of thyroid cancer 26 years ago. I’m still here.
• Malachite_Edge: I hope RFK doesn’t cancel her treatment.

Lawyer says tourist accused of hurling rock at Hawaiian monk seal has been doxed and threatened (r/news)

• TwoNowFive: He’s rich, remember?  He doesn’t care. He said so
• 21Black_Mamba21: The writer clearly knew what they were doing
• mr9025: Igor. Babe. Fuck you.

Russia Can No Longer Take More Land Than Ukraine Liberates, Zelenskyy Says (r/worldnews)

• spastical-mackerel: Ukraine has mastered drone tech and successfully scaled up production to industrial levels. They will end up prevailing because their society and economy are more flexible and agile than the Russian klepto/oligarchic mafia state.
• Goldenrah: It can’t be stated enough the influence and resources that having access to world trade gives you. Russia has to beg their neighbors and trade resources at a bargain to get what they need.
• destuctir: Desperation is the greatest of all motivators. Ukraine is going for survival while Putin is trying to act like nothing needs to change in Russia

Should the federal government declare national Election Day a paid federal holiday to guarantee all working-class citizens the time to vote? Why or why not? (r/AskReddit)

• tjtonerplus: Yes. Other countries do it and it improves voter turnout.
• MudiMom: Which is why they never will.
• neuralnectarine: If it’s already shown to pull more people into voting, it’s kind of wild we’re still debating it like it’s untested. Hard to argue with results.

How would you feel about a law that forces companies to let you cancel any subscription in the same number of steps it took to sign up? (r/AskReddit)

• velvetbutterflyvvv: If signing up takes 30 seconds canceling shouldn t take 30 minutes
• peachesfordinner: California has a law that if you were able to sign up for something online you have to be able to cancel it online as well
• Rominator: It should take less time. To sign up you have to fill out lots of information. To stop it should be as simple as “stop now?” Yes click, and an “are you sure?” Yes click.

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July will only be the beginning of the upcoming layoffs at Microsoft (Blind)

• Kjlq67 (Microsoft): I’m leaving (first day of new job is July 6), should I wait until july to see if im laid off, or still put my notice in?
• AIBotFarm (Microsoft): Getting a job after 25 years at Microsoft is going to take you about 100 interviews. And I’m not kidding.
• Dr.Ai.ML (Broadcom): They will layoff engineers and hire mgrs which are needed for AI or labeled as AI talent. Instead of companies laying off mgrs , engineers are frequently laid off.

SWE Extinction Event Just Happened Today (Claude Mythos 5) (Blind)

• LLMbotomy (Meta): And then everybody clapped
• son pari (Meta): Can it submit my application in the India passport seva portal? That will be the day I will accept AI is real, otherwise it’s just trained model, not intelligence
• hiyau (DocuSign): Ok, can you get me a working fully capable photoshop by next weekend. Tired of paying Adobe.

California Will Soon Have More Than 300 Data Centers. Where Will They Get Their Water? (r/technology)

• TheFrostynaut: The correct answer should be the almond farms in the literal desert but we aren’t ready for that conversation.
• vtsandtrooper: They could just use an air cooled glycol system if any states would grow some balls and require it in code
• Kyouhen: Same way these companies got the data to train their models: They’ll steal it from the rest of us.

Fed up with vibe coders, dev sneaks data-nuking prompt injection into their code (r/technology)

• wiegerthefarmer: So it’s pvpve now?
• WesternBlueRanger: I see someone reads xkcd and knows about Little Bobby Tables.
• Due-Arachnid634: Exploits of a mom!

AI billionaires brace for pitchforks (r/technology)

• williamgman: Ever visit those chateaus in France and throughout Europe that are tourist sites now..? They were the oligarchs of the time.
• DemandredG: They’re not nearly scared enough for the scope of the damage they’re inflicting on the world.
• limbodog: A bunker is also a prison if you pour enough concrete over the entrances.

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What happened

Databricks’ official blog published Ingesting the Milky Way: Petabyte-Scale with Zerobus Ingest, a June 11, 2026 post about the architecture behind Zerobus Ingest, Databricks’ managed streaming ingestion service for writing high-volume producer streams directly into Delta tables governed by Unity Catalog.

The post is interesting because it is not just a launch note for a lakehouse ingestion API. Databricks uses a concrete benchmark, NASA’s NEOWISE dataset, to show a petabyte-scale write path sustaining roughly 12 GB/s into a single table over 24 hours. The engineering story is how the system avoids making customers pre-size brokers, pick partition counts, operate connectors, or keep Kafka-shaped infrastructure around when the intended destination is already the lakehouse.

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Knitting looks humble because its basic unit is so familiar: a loop of yarn pulled through another loop. The Scientific American Advances article “Knit Picking” shows why that simplicity is deceptive. A knitted sheet is not just a soft grid. Each stitch can bias the fabric to bend, twist or curl, and those local tendencies can combine into large, complicated three-dimensional forms. That is why a T-shirt hem can roll when cut, why patterned knitting can produce ridges and folds, and why predicting a finished textile from its stitch chart is still hard.

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Techmeme surfaced this June 14, 2026 item in its UK social-media ban cluster. The original source is The Guardian’s report, Starmer to announce ‘Australia plus’ ban on social media for under-16s, with helpful context from The Guardian’s companion explainer, Why is the UK launching an ‘Australia plus’ social media ban and how will it work?.

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This summary covers The Economist’s May 31st, 2026 Essay article listed in the contents as Modern war and published under the headline The crucible of transparency.

War in the age of exposure

The article argues that modern war is being reshaped by a new, incomplete but powerful form of battlefield visibility. Soldiers, vehicles, aircraft, missile launchers and command posts are harder to hide than before because cheap sensors, satellites, drones, software networks and precision weapons are knitting the battlefield together. The result is not omniscience. Fog, deception, jamming and geography still matter. But armies now fight under more eyes, and those eyes can often be connected quickly to weapons.