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Interesting Bits of Postgres Grammar

news.ycombinator.com Steve Dignam 2026-03-04 20:09:21

I’ve been working on Squawk for a while, it’s a linter for PostgreSQL, and it now uses a handmade parser. So let’s explore some interesting bits from the Postgres grammar. Custom Operators Very few operators are defined in the grammar itself and lots of Postgres features rely on custom operators. For example, Postgres uses <-> for comparing geometric types, along with a whole host of others: ## , @-@ , # , @> , <@> , &< , &> , |>> , |<< , <^ , >^ , ?- , ?| , ?|| , ~= . Note: custom operator

Topics: bar foo operator operators select

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Software 3.0 is powered by LLMs, prompts, and vibe coding - what you need know

zdnet.com Joe Mckendrick 2026-03-05 08:00:04

dan/Getty Are large language models (LLMs) our new operating systems? If so, they are changing the definition of what we consider to be software. Also: 8 ways to write better ChatGPT prompts - and get the results you want faster Several analogies are used to describe the impact of fast-evolving AI technologies, such as utilities, time-sharing systems, and operating systems. Andrej Karpathy, co-founder of OpenAI and former senior director of AI at Tesla, believes that an operating system is th

Topics: karpathy llms neural operating software

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Neural Texture Compression demo shows it can do wonders for VRAM usage

techspot.com Alfonso Maruccia 2026-03-09 15:35:00

Serving tech enthusiasts for over 25 years.TechSpot means tech analysis and advice you can trust In context: Modern game engines can put severe strain on today's hardware. However, Nvidia's business decisions have left many GPUs with less VRAM than they should. Fortunately, improved texture compression in games helps make the most of what's available. Neural Texture Compression (NTC) is a new technique that improves texture quality while reducing VRAM usage. It relies on a specialized neural n

Topics: cooperative intel ntc texture vectors

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Ryuk ransomware’s initial access expert extradited to the U.S.

bleepingcomputer.com Unknown 2026-03-09 09:05:35

A member of the notorious Ryuk ransomware operation who specialized in gaining initial access to corporate networks has been extradited to the United States. The suspect is a 33-year-old foreign man who was arrested in April 2025 in his home in Kyiv at the request of the FBI. He was extradited to the United States yesterday, June 18. In 2023, the Ukrainian cyber police, the National Police, and international law enforcement partners began investigating a ransomware operation whose members carr

Topics: active numerous operation ransomware ryuk

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TikTok gets third extension from Trump as US sale deadline looms

techspot.com Rob Thubron 2026-03-12 23:44:00

What just happened? TikTok is receiving yet another reprieve from Donald Trump. For the third time since taking office, the president is extending the sales deadline this week, giving the company another 90 days to divest its US business from Chinese parent ByteDance. White House Press Secretary Karoline Leavitt confirmed that Trump will sign an executive order this week that will "keep TikTok up and running" for another 90 days. Leavitt added that the administration will spend the extra time

Topics: app company operations tiktok trump

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New Anubis ransomware can encrypt and destroy data, making file recovery impossible

techspot.com Alfonso Maruccia 2026-03-16 06:07:00

WTF?! Being affected by a dangerous ransomware operation is bad enough, but at least you might have a chance to recover your files somehow. A recently discovered ransomware strain is making things even trickier by offering a new wiping option that allows affiliate criminals to completely destroy data after encryption. Security researchers have discovered a new Ransomware-as-a-Service campaign with highly destructive potential. Anubis has only been around for a few months and fortunately, hasn't

Topics: anubis data operation ransomware security

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How easy is it for a developer to "sandbox" a program?

news.ycombinator.com In 2026-03-13 20:57:24

# source code sandboxing Sandboxing is when a developer limits available system resources to a program from within its own source code. A classic example is calling chroot(2) to change the root file-system to an empty directory so that the program cannot scribble into the root file-system. int main(void) { /* Program has full file-system access. */ chroot("/var/empty"); chdir("/"); /* File-system root re-rooted in /var/empty. */ int fd = open("/etc/passwd", O_RDONLY); /* Tried to open /var/empty

Topics: open operating sandbox source systems

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RFK Jr. Orders HHS to Give Undocumented Migrants’ Medicaid Data to DHS

wired.com Andy Greenberg 2026-03-17 05:30:00

With demonstrations ramping up against the Trump administration, this week was all about protests. With President Donald Trump taking the historic step to deploy US Marines and the National Guard to Los Angeles, we dove into the “long-term dangers” of sending troops to LA, as well as what those troops are permitted to do while they’re there. Of course, it’s not just the military getting involved in the LA protests against the heavy crackdowns by Immigration and Customs Enforcement (ICE). There’

Topics: data legal operation protests week

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I found a Linux distro that combines the best parts of other operating systems (and it works)

zdnet.com Jack Wallen 2026-03-19 07:22:00

Jack Wallen/ZDNET There are so many Linux distributions on the market, and they range from the command line only all the way to functioning works of art. The majority of distros fall somewhere in the middle, of course, and that's perfectly fine because most users prefer a blend of aesthetics and functionality. That's why the likes of Linux Mint, ZorinOS, elementaryOS, and Ubuntu are so popular. But every once in a while, a team releases an update to its distribution that reminds you that Linux

Topics: bluestar desktop distribution linux operating

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Operation Secure disrupts global infostealer malware operations

bleepingcomputer.com Unknown 2026-03-22 02:51:49

An international law enforcement action codenamed "Operation Secure" targeted infostealer malware infrastructure in a massive crackdown across 26 countries, resulting in 32 arrests, data seizures, and server takedowns. Led by Interpol and conducted from January to April 2025, the operation focused on disrupting infostealer malware groups that steal financial and personal data through widespread infections. The data stolen by infostealers commonly includes account credentials, browser cookies,

Topics: data group infrastructure malware operation

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Tesla’s Robotaxis Are Rolling Out Soon—With One Big Unanswered Question

wired.com Aarian Marshall 2026-03-20 23:00:00

Self-driving vehicle developers don’t usually love talking about “teleoperation”—when a human guides or drives robot cars remotely. It can feel like a dirty secret. Shouldn’t an autonomous vehicle operate, well, autonomously? But experts say teleoperations are, at least right now, a critical part of any robot taxi service, including Tesla's Robotaxi. The tech, though impressive, is still in development, and the autonomous systems still need humans to guide them through less-common and especiall

Topics: company safety teleoperations tesla texas

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ChatGPT's AI agent Operator is now available for most Pro users

engadget.com Unknown 2025-11-16 11:30:50

It's now out for most regions where ChatGPT is also available, though the EU isn't included. Operator is now out in Australia, Brazil, Canada, India, Japan, Singapore, South Korea, the UK and most places where ChatGPT is also available, OpenAI has announced. The company launched Operator in the US back in January, introducing it as an "agent that can go to the web to perform tasks" for the user. Operator can handle various browser-based tasks for users, such as filling out forms, making restaur

Topics: available chatgpt company openai operator

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OpenAI rolls out its AI agent, Operator, in several countries

techcrunch.com Ivan Mehta 2025-11-16 06:31:32

OpenAI said on Friday that it is rolling out Operator — its AI agent that can perform tasks on behalf of users — for ChatGPT Pro subscribers in Australia, Brazil, Canada, India, Japan, Singapore, South Korea, the U.K., and more countries. OpenAI said Operator will be available in most places where ChatGPT is available, apart from the EU, Switzerland, Norway, Liechtenstein, and Iceland. Operator, which launched in January in the U.S., is one of several “AI agent” tools on the market that can be

Topics: available chatgpt operator said users

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Integrating LLMs into security operations using Wazuh

bleepingcomputer.com Unknown 2025-11-16 12:01:11

Artificial intelligence (AI) is the simulation of human intelligence in machines, enabling systems to learn from data, recognize patterns, and make decisions. These decisions can include predicting outcomes, automating processes, and detecting anomalies. Large Language Models (LLMs) are specialized AI models designed to process, understand, and generate human-like text. Large Language Models (LLMs) are trained on diverse and extensive textual data. They are designed to understand language and a

Topics: llms operations security threat wazuh

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Build your own SQLite in Rust, Part 5: Evaluating queries

news.ycombinator.com Geoffrey Copin 2025-11-16 14:32:18

In the previous posts, we've explored the SQLite file format and built a simple SQL parser. It's time to put these pieces together and implement a query evaluator! In this post, we'll lay the groundwork for evaluating SQL queries and build a query evaluator that can handle basic SELECT statements. While our initial implementation won't support filtering, sorting, grouping, or joins yet, it will give us the foundation to add these features in future posts. As usual, the complete source code for

Topics: db let operator page self

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Latest Tech News

Interesting Bits of Postgres Grammar

Software 3.0 is powered by LLMs, prompts, and vibe coding - what you need know

Neural Texture Compression demo shows it can do wonders for VRAM usage

Ryuk ransomware’s initial access expert extradited to the U.S.

TikTok gets third extension from Trump as US sale deadline looms

New Anubis ransomware can encrypt and destroy data, making file recovery impossible

How easy is it for a developer to "sandbox" a program?

RFK Jr. Orders HHS to Give Undocumented Migrants’ Medicaid Data to DHS

I found a Linux distro that combines the best parts of other operating systems (and it works)

Operation Secure disrupts global infostealer malware operations

Tesla’s Robotaxis Are Rolling Out Soon—With One Big Unanswered Question

ChatGPT's AI agent Operator is now available for most Pro users

OpenAI rolls out its AI agent, Operator, in several countries

Integrating LLMs into security operations using Wazuh

Build your own SQLite in Rust, Part 5: Evaluating queries

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