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Block shares soar 10% on entry into S&P 500

cnbc.com Ari Levy 2025-07-20 18:55:24

Jack Dorsey, co-founder and chief executive officer of Twitter Inc. and Square Inc., listens during the Bitcoin 2021 conference in Miami, Florida, on Friday, June 4, 2021. Block shares jumped more than 10% in extended trading on Friday, as the fintech company gets set to join the S&P 500, replacing Hess . It's the second change to the benchmark this week, after S&P Global announced on Monday that ad-tech firm The Trade Desk would be added to the S&P 500. Trade Desk is taking the place of softw

Topics: 500 block company index market

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Making a StringBuffer in C, and questioning my sanity

news.ycombinator.com Brian Douglas 2025-07-17 12:48:34

I've been writing a lot of C. Whilst doing so I have been questioning my sanity. Am I an awful programmer? You know what, I think I might be. Kudos to all those devs that created monumental feats with C. Because it is not an easy tool to use. That said, I do enjoy writing C, just as long as I don't have a deadline or any business critical software to deliver. But when I say enjoy, I mean enjoyment in the sense of using a sycthe to cut a lawn, whilst my lawnmower watches on. It's lovely using th

Topics: buf index return stringbuffer text

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These Continuous Glucose Monitors Have Been Recalled Due to Faulty Speakers. What You Need to Do to Stay Safe

cnet.com See Full Bio 2025-07-21 01:27:58

Dexcom customers, listen up: Certain continuous glucose monitoring receivers have been recalled due to speaker malfunctions, which can cause you to miss alerts or alarms for dangerous blood sugar levels. Since May 2025, there have been 112 complaints globally, with 56 reported injuries. Missing an alert from your continuous glucose monitor may result in health consequences like vomiting, seizures, loss of consciousness and hypoglycemic or hyperglycemic symptoms. Certain Dexcom G6, G7, One and

Topics: continuous dexcom glucose receiver speaker

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How to Get Foreign Keys Horribly Wrong

news.ycombinator.com Haki Benita 2025-07-17 23:36:08

Constraints keep the integrity of your system and prevent you from shooting yourself in the foot. Foreign keys are a special type of constraint because, unlike unique, check, and primary keys, they span more than one relation. This makes foreign keys harder to enforce and harder to get right. In this article, I demonstrate common pitfalls, potential optimizations, and implicit behavior related to foreign keys. Table of Contents Watch 📺 This article is inspired by a talk I gave at DjangoCon EU

Topics: index migration models product user

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Samsung DeX turns the Galaxy Z Flip 7 into a pocket-sized PC, but it’s missing one key feature

androidauthority.com Unknown 2025-07-23 22:42:56

TL;DR The new Galaxy Z Flip 7 is the first in Samsung’s clamshell foldable lineup to support Samsung DeX, turning it into a compact, portable PC. DeX provides a full desktop experience on an external monitor and works with a wired connection, even when the phone is closed. While a powerful addition, it lacks the ability to use the cover screen as a touchpad, a feature found on competing Razr phones. Samsung’s clamshell folding phones have always been true flagships in terms of specs and perfo

Topics: dex flip galaxy phones samsung

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Reflections on OpenAI

news.ycombinator.com Unknown 2025-07-28 09:49:06

I left OpenAI three weeks ago. I had joined the company back in May 2024. I wanted to share my reflections because there's a lot of smoke and noise around what OpenAI is doing, but not a lot of first-hand accounts of what the culture of working there actually feels like. Nabeel Quereshi has an amazing post called Reflections on Palantir, where he ruminates on what made Palantir special. I wanted to do the same for OpenAI while it's fresh in my mind. You won't find any trade secrets here, more

Topics: codex company like lot openai

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Trade Desk's stock jumps on S&P 500 inclusion as Ansys exits index due to acquisition

cnbc.com Jordan Novet 2025-07-29 22:36:18

Jeff Green, Founder, CEO, and Chairman, The Trade Desk and Andrew Wallenstein, Variety Intelligence Platform, President and Chief Media Analyst speak onstage at "Advertising’s New Normal: Unifying Streaming and Identity in 2023" during the Variety Entertainment Summit at CES at the Aria Resort & Casino on January 06, 2023 in Las Vegas, Nevada. Shares of The Trade Desk jumped 14% in extended trading on Monday, as the digital advertising company is set to join the S&P 500. S&P Global announced t

Topics: 500 company desk index trade

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Embedding user-defined indexes in Apache Parquet

news.ycombinator.com Unknown 2025-07-30 12:29:02

Embedding User-Defined Indexes in Apache Parquet Files Posted on: Mon 14 July 2025 by Qi Zhu, Jigao Luo, and Andrew Lamb It’s a common misconception that Apache Parquet files are limited to basic Min/Max/Null Count statistics and Bloom filters, and that adding more advanced indexes requires changing the specification or creating a new file format. In fact, footer metadata and offset-based addressing already provide everything needed to embed user-defined index structures within Parquet files w

Topics: distinct file files index parquet

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Embedding User-Defined Indexes in Apache Parquet

news.ycombinator.com Unknown 2025-07-30 22:29:02

Embedding User-Defined Indexes in Apache Parquet Files Posted on: Mon 14 July 2025 by Qi Zhu, Jigao Luo, and Andrew Lamb It’s a common misconception that Apache Parquet files are limited to basic Min/Max/Null Count statistics and Bloom filters, and that adding more advanced indexes requires changing the specification or creating a new file format. In fact, footer metadata and offset-based addressing already provide everything needed to embed user-defined index structures within Parquet files w

Topics: distinct file files index parquet

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Here’s the truth behind Samsung Auto DeX, and why it’s not an Android Auto alternative (Updated)

androidauthority.com Unknown 2025-07-31 22:50:45

C. Scott Brown / Android Authority TL;DR Samsung Auto already exists as an Android Auto alternative in China but requires specific regional software and hardware to function. “Samsung Auto DeX” refers to an unofficial workaround enabling Samsung Auto functionality on non-support head units via desktop mode casting. Despite ongoing speculation, we could not locate confirmed evidence that suggests Samsung is officially developing “Auto DeX” as a distinct feature. Update, July 14, 2025 (06:50 A

Topics: android auto dex head samsung

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Here’s the truth behind Samsung Auto DeX, and why it’s not an Android Auto alternative

androidauthority.com Unknown 2025-08-04 14:05:45

C. Scott Brown / Android Authority TL;DR Samsung Auto already exists as an Android Auto alternative in China but requires specific regional software and hardware to function. “Samsung Auto DeX” refers to an unofficial workaround enabling Samsung Auto functionality on non-support head units via desktop mode casting. Despite ongoing speculation, we could not locate confirmed evidence that suggests Samsung is officially developing “Auto DeX” as a distinct feature. Android Auto and Apple CarPlay

Topics: android auto dex head samsung

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The Galaxy Z Flip 7’s best new feature is one that other Samsung phones have had for years

androidauthority.com Unknown 2025-08-06 22:00:08

TL;DR The new Samsung Galaxy Z Flip 7 is the first in the clamshell foldable series to finally get full support for Samsung’s DeX desktop mode. DeX transforms the phone into a portable PC when connected to an external display, providing a desktop interface with a taskbar and windowed apps. Samsung previously omitted DeX from the Flip lineup due to thermal concerns, an issue it has seemingly resolved for the Galaxy Z Flip 7. Clamshell foldables like the Galaxy Z Flip are gaining popularity by

Topics: dex feature flip galaxy samsung

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Jane Street barred from Indian markets as regulator freezes $566M

news.ycombinator.com Amala Balakrishner 2025-08-11 15:03:51

A general view of the SEBI (Securities and Exchange Board of India) building is seen in the business district of Mumbai, India, on July 1, 2025. Nurphoto | Nurphoto | Getty Images The Securities Exchange Board of India (SEBI) has temporarily barred Jane Street Group from accessing India's securities market, after it accused the U.S. firm of widespread market manipulation. According to an interim order posted on the regulator's website on Thursday, Jane Street's "entities are restrained from acc

Topics: index india jane sebi street

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Jane Street barred from Indian markets as regulator freezes $566 million

news.ycombinator.com Amala Balakrishner 2025-08-11 20:03:51

A general view of the SEBI (Securities and Exchange Board of India) building is seen in the business district of Mumbai, India, on July 1, 2025. Nurphoto | Nurphoto | Getty Images The Securities Exchange Board of India (SEBI) has temporarily barred Jane Street Group from accessing India's securities market, after it accused the U.S. firm of widespread market manipulation. According to an interim order posted on the regulator's website on Thursday, Jane Street's "entities are restrained from acc

Topics: index india jane sebi street

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How often is the query plan optimal?

news.ycombinator.com Unknown 2025-08-10 11:19:27

The basic promise of a query optimizer is that it picks the “optimal” query plan. But there’s a catch - the plan selection relies on cost estimates, calculated from selectivity estimates and cost of basic resources (I/O, CPU, …). So the question is, how often do we actually pick the “fastest” plan? And the truth is we actually make mistakes quite often. Consider the following chart, with durations of a simple SELECT query with a range condition. The condition is varied to match different fracti

Topics: cost data index plan scans

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Datadog stock jumps 10% on tech company’s inclusion in S&P 500 index

cnbc.com Jordan Novet 2025-08-16 22:41:19

The Datadog stand is being displayed on day one of the AWS Summit Seoul 2024 at the COEX Convention and Exhibition Center in Seoul, South Korea, on May 16, 2024. Datadog shares were up 10% in extended trading on Wednesday after S&P Global said the monitoring software provider will replace Juniper Networks in the S&P 500 U.S. stock index. S&P Global is making the change effective before the beginning of trading on July 9, according to a statement. Computer server maker Hewlett Packard Enterpri

Topics: 2024 cloud datadog global index

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Garmin Announces Its First-Ever Sleep-Only Tracker, a Lightweight Band Around Your Bicep

cnet.com See Full Bio 2025-09-10 15:00:13

Garmin released today its new Index Sleep Monitor, a smart sleep band that gives users a closer look at their overnight vitals and recovery. In addition to tracking sleep duration and stages, the Index Sleep Monitor provides users with their overall sleep score, HRV status, Pulse Ox reading (a pulse oximeter that measures how much oxygen is in your bloodstream), breathing variation, respiration rate, skin temperature, women's health data, stress levels and Body Battery which is Garmin's branded

Topics: band garmin index monitor sleep

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Garmin’s new sleep-tracking armband lasts a full week between charges

theverge.com Andrew Liszewski 2025-09-10 15:00:00

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Garmin has announced a new sleep-tracking band that can be strapped to your upper arm, which could make it more comfortable to wear overnight. The Index Sleep Monitor tracks sleep stages, heart rate, and even your breathing to create a “comprehensive view of overall fitness and recovery,” with a personalized sleep score delivered every morning so

Topics: garmin index know monitor sleep

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EVs dominate the most American-made cars index and it’s not just because of Tesla

techcrunch.com Kirsten Korosec 2025-09-11 01:57:17

Tesla vehicles took the four top spots of the 2025 American-Made Index (AMI), an annual list calculated by Cars.com that ranks qualifying vehicles built and bought in the United States. Tesla’s dominance in the AMI isn’t new. The U.S. automaker, which assembles its four light-duty passenger vehicles in Texas and California, has landed in the top 10 ever since it started participating in the annual ranking five years ago. This year, the Model 3 was ranked as the most “American-made” vehicle sold

Topics: american com index tesla vehicles

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ChatGPT's AI coder Codex now lets you choose the best solution

bleepingcomputer.com Unknown 2025-09-15 01:59:41

ChatGPT's Codex, which is an AI agent that lets you code and delegate programming tasks, is now testing a new feature that lets you choose the best solution. OpenAI launched Codex in April, and it's a great tool, but it's nowhere close to replacing entry-level engineers. OpenAI insists Codex could help developers achieve more by delegating their tasks to different agents, and a new update brings it closer to the expectations set by the company. As per the release notes, ChatGPT Codex can now

Topics: added chatgpt code codex new

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Latest Tech News

Block shares soar 10% on entry into S&P 500

Making a StringBuffer in C, and questioning my sanity

These Continuous Glucose Monitors Have Been Recalled Due to Faulty Speakers. What You Need to Do to Stay Safe

How to Get Foreign Keys Horribly Wrong

Samsung DeX turns the Galaxy Z Flip 7 into a pocket-sized PC, but it’s missing one key feature

Reflections on OpenAI

Trade Desk's stock jumps on S&P 500 inclusion as Ansys exits index due to acquisition

Embedding user-defined indexes in Apache Parquet

Embedding User-Defined Indexes in Apache Parquet

Here’s the truth behind Samsung Auto DeX, and why it’s not an Android Auto alternative (Updated)

Here’s the truth behind Samsung Auto DeX, and why it’s not an Android Auto alternative

The Galaxy Z Flip 7’s best new feature is one that other Samsung phones have had for years

Jane Street barred from Indian markets as regulator freezes $566M

Jane Street barred from Indian markets as regulator freezes $566 million

How often is the query plan optimal?

Datadog stock jumps 10% on tech company’s inclusion in S&P 500 index

Garmin Announces Its First-Ever Sleep-Only Tracker, a Lightweight Band Around Your Bicep

Garmin’s new sleep-tracking armband lasts a full week between charges

EVs dominate the most American-made cars index and it’s not just because of Tesla

ChatGPT's AI coder Codex now lets you choose the best solution

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