Generated by Codex with GPT-5

Biggest mistake of my life: leaving Google (Blind)

• ablox (Roblox): Yeah for all those who think like that, pleeeeaaaase stay at Google. Don’t come over here, we already have enough of your kind here, ruining the place.
• JYSj74 (Datadog): Xooglers finding out people work harder in other companies is always hilarious.
• bbbgo (Google): Companies are not static. Google you left probably doesn’t exist anymore.

RIP Design and customer support – the first victims from AI replacement (Blind)

• yaldaboink (Lucid Motors): Companies that outsource customer support to chatbots are satanic
• Lvru34 (Microsoft): I will like human customer support. I hate these robots response
• lambdaops (Amazon): AI does shit in design. It’s useful to create a pamphlet , but nothing more if you are looking for serious work. At best it can help designers automate boring work or try out some new inspirations.

Huawei chairman thanks the US for export restrictions on chips, says it supercharged China’s semiconductor industry — Washington’s export controls encouraged Chinese firms to invest in R&D and build their own tech stack competing with American tech (r/technology)

• zleuth: … As we all knew it would.
• Nail_clippings_Pete: At their work rate the espionage will reverse.
• Legote: Supercharge or not, they were going to do it anyways as they did with almost every industry the US “had” and advantage in.

Microsoft is threatening legal action for disclosing exploits / The company is feuding with a security researcher publicly posting vulnerabilities. (r/technology)

• oiseaua20: Microsoft’s new security strategy seems to be that if you can’t patch the vulnerability, just sue the person who found it.
• TheFoxsWeddingTarot: Highlighting the importance of ethical hackers to our safety.
• Red_Eye_Insomniac: So they want to ensure that discussions about windows exploits only happen in criminal hacker groups and dark web forums rather than out in the open? Oh yeah that makes so much sense.

Mystery company accidentally blew $500 million on Claude AI in a single month — failed to put usage limit on licenses for employees (r/technology)

• Fateor42: Would be funny if they can’t pay and just declare bankruptcy leaving Claude holding the bag.
• film_composer: That’s an interesting thought… If a company goes bankrupt because they blew through all of their money on an AI-generated product, is there any legal protection against the company’s owner just keeping what was generated and taking it to a new company? In ordinary circumstances, assets can be repossessed, but what happens when the asset is more abstract? There’s probably an obvious answer, but this is out of my wheelhouse.
• Nobody_Important: AI companies suddenly caring about ip laws would be both hilarious and very on brand for 2026.

Generated by Codex with GPT-5

Quick facts

• Difficulty: MEDIUM
• Problem: Validate Binary Search Tree
• Topics: Tree, Depth-First Search, Binary Search Tree, Binary Tree

Problem gist

Given the root of a binary tree, decide whether the tree is a valid binary search tree.

The important detail is that the BST rule is global, not just local. A node in the left subtree must be smaller than the root, not merely smaller than its parent. A node in the right subtree must be larger than the root, not merely larger than its parent. The same rule repeats at every node.

Generated by Codex with GPT-5

What happened

Microsoft Research’s official research blog published Ire identifies another LOTUSLITE specimen, a June 12, 2026 post about using Project Ire, Microsoft’s autonomous malware-classification agent, to reverse-engineer a LOTUSLITE variant that largely evaded normal indicator-based detection.

The important detail is not just that an AI system labeled a binary as malicious. Microsoft ran Ire on a Windows DLL sample without giving it origin metadata, telemetry, a threat-intelligence prompt, or a family name. The agent used decompiler-based tooling and produced a function-by-function behavioral report covering installation, command-and-control packet structure, command IDs, persistence, obfuscation, and decoy behavior. Microsoft then compared that report against Acronis’s public LOTUSLITE write-up and found the same underlying malware family shape, even though the sample’s hash was not in the published indicator list.

Generated by Codex with GPT-5

From a Walk to a Theory

Jack Murtagh’s article begins with a puzzle that looks like a civic pastime, not the seed of a new field. In 18th-century Konigsberg, residents wondered whether someone could walk through the city and cross each of its seven bridges exactly once. The bridges connected two islands and two riverbanks, and every attempted route seemed to force a repeated crossing. The question was simple enough for nonmathematicians to ask, but it resisted the mathematical tools available at the time.

Generated by Codex with GPT-5

Techmeme surfaced this June 13, 2026 story in its Anthropic Fable/Mythos cluster, where the original source was Anthropic’s June 12 statement, Statement on the US government directive to suspend access to Fable 5 and Mythos 5. Additional context used here includes TechCrunch’s coverage of the shutdown, WIRED’s report on the government order, and The Pragmatic Engineer’s June 11 Pulse item, Did Anthropic’s new model just boost rival Codex’s market share?.

Generated by Codex with GPT-5

This summary covers The Economist’s May 31st, 2026 Finance & economics Buttonwood column listed in the contents as Giga-IPOs and published under the headline The incredible shrinking stockmarket.

A strong market with fewer public companies

The article argues that America’s stockmarket can look triumphant and diminished at the same time. Major indices are at record highs, but the public market itself is thinner than it used to be. The number of initial public offerings has fallen sharply from the pace of the 1990s, and the count of listed American companies has dropped from about 8,000 in 1996 to roughly 3,900 last year.

Generated by Codex with GPT-5

El Nino is here and scientists fear it’ll be big, bad and costly with heat, floods, droughts, fires (r/news)

• S1DC: Is that all? Guess I’ll add it to the pile of catastrophic events occuring at the moment.
• Kneph: If we only had decades of data warning us of rising global temperatures, we could have seen all of this coming.
• BreweryRabbit: I’m tired of unprecedented times, could really go for one nice precedented time.

US authorities investigate huge ‘8647’ marking on grounds of National Mall in Washington (r/news)

• PM_ME_YOUR_EYELASHES: If they didn’t use seashells I’m gonna be pissed
• MountainlessBiking: Tbh it’s only funny because it seems to really get under his skin. Otherwise it’s pretty innocuous.
• Gentle_method: A message we can all get behind.

Trump cancels strikes against Iran planned for Thursday evening (r/worldnews)

• fizzaz: This is beyond all parody now
• Venat14: More insider trading
• Garionreturns2: TACO as expected. Trump has turned the USA into a laughingstock.

What used to be a sign of being poor, but is now a luxury or status symbol? (r/AskReddit)

• lee24k: Lobsters, oysters and caviar
• Future-Cry5734: Champion branded clothing 
• HenriDeToulouse: olive oil on rustic bread

‘Doctor Who’ Set To Be Off Air For Years Amid A Creative Regeneration That’s Failing To Spark Early Enthusiasm Among Producers (r/television)

• allgonetoshit: A lot of people don’t want to admit it, but the issue was not casting or inclusivity or whatever. The writing was shit for the last few seasons. The gods storylines taking over the entire last season was so boring and stupid.
• CDavis10717: Put all The Doctors on The Great British Sewing Bee! Done.
• makuXrosu: The man who revived DW also killed it. It’s like poetry

Generated by Codex with GPT-5

Companies that are still humane places to work (Blind)

• sickkk: Pinterest, Airbnb, Google
• TGxH11 (Qualtrics): Costco
• gkidx (Snap): Apple

Evaluate Nvidia HW offer (Blind)

• KbiC01 (Marvell): Take it and never look back.
• FghLkz1565 (NVIDIA): how it compares to current TC?
• reggg (Qualcomm): Role?

Louis Rossmann is suing Samsung after firm offers \$330 refund for defective SSD while selling the drives on Amazon for \$949 — spat over 4TB 990 Pro SSD is headed to court (r/technology)

• taboo8614: I hope he wins!
• PRSHZ: In my opinion, the Takeaway here is that these big companies don’t really give a flying fuck about the customers until one with a lot of influence comes up and speaks up then everybody starts shaking in their boots
• tiradium: Poor bastards are really unlucky to try and pull this on Louis of all the people they could have picked. Imagine if some clueless person accepted the RMA’d SSD and couldn’t understand why its slower than an HDD

OpenAI Execs Are Panicking (r/technology)

• CodyintheCinema: Sam Altman is allergic to taking a photograph that doesn’t make him look like a shitty NPC from a PS2 game
• Docccc: They are not
• werthw: Altman recently walked back on his comment that AI will take many peoples’ jobs. Just in time for Open AI’s IPO huh?

OpenAI says China ran a covert campaign to turn Americans against data centers, but used facts that happen to be true (r/technology)

• yuval_3: r/nottheonion
• FuklzTheDrnkClwn: Isn’t that technically just “raising awareness” if it’s true lol
• mrwrrrmwrmrmrmrw: That’s what they said when people dared to protest the Vietnam War. 

Generated by Codex with GPT-5

What happened

AWS’s official Compute Blog published AWS Nitro Isolation Engine: Formally verifying the hypervisor in the AWS Nitro System, a June 11, 2026 post about using formal verification to harden the isolation boundary inside the Nitro Hypervisor.

The post is about a narrow but consequential systems design choice. AWS Nitro already moved much of EC2 virtualization, storage, and networking into dedicated hardware and a small hypervisor, with administrative access forced through authenticated and audited APIs that cannot directly inspect customer workloads. Nitro Isolation Engine takes the same philosophy one level deeper. Instead of treating the hypervisor as one broad trusted component, AWS isolates the part that actually mediates access to guest VM memory, CPU register state, and I/O devices, then applies formal methods to that smaller enforcement point.

Generated by Codex with GPT-5

Rogue waves used to occupy an uneasy space between sailor lore and scientific evidence. Mariners described sudden walls of water that seemed too large to belong to the surrounding sea, but until the 1995 Draupner wave struck a North Sea gas platform, researchers lacked a decisive instrument record showing that such waves were not exaggerations. The Scientific American Advances article “Going Rogue” explains how a much larger modern data set is now turning these hazards from rare surprises into physical events that may be measurable before they hit.