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PKM apps need to get better at resurfacing information

news.ycombinator.com Unknown 2025-10-02 00:56:41

I’m a happy user of a number of apps that can be classified under the nebulous category of Personal Knowledge Management (PKM) software: Obsidian (note taking) Things (task management) Drafts (quick capture) Readwise Reader (RSS and read-later) Raindrop (bookmarking and archiving) These apps allow me to work with vast amounts of digital information. They let me: Quickly capture information from my computer or physical environment Organize captured data using categories and/or tags Conne

Topics: apps information items notes pkm

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Effective learning: Rules of formulating knowledge (1999)

news.ycombinator.com Jakub Jankowski 2025-10-19 22:43:37

Dr Piotr Wozniak, February, 1999 (updated) This article will help you overcome one of the greatest difficulties you will face when trying to accelerate learning: formulating knowledge The speed of learning will depend on the way you formulate the material. The same material can be learned many times faster if well formulated! The difference in speed can be stunning! The rules are listed in the order of importance. Those listed first are most often violated or bring most benefit if complied wi

Topics: item items knowledge learning supermemo

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Effective learning: Twenty rules of formulating knowledge (1999)

news.ycombinator.com Jakub Jankowski 2025-10-20 03:43:37

Dr Piotr Wozniak, February, 1999 (updated) This article will help you overcome one of the greatest difficulties you will face when trying to accelerate learning: formulating knowledge The speed of learning will depend on the way you formulate the material. The same material can be learned many times faster if well formulated! The difference in speed can be stunning! The rules are listed in the order of importance. Those listed first are most often violated or bring most benefit if complied wi

Topics: item items knowledge learning supermemo

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Do Novelty Menus Like Taco Bell’s Y2K Make Investors Money?

gizmodo.com Riley Gutiérrez Mcdermid 2025-10-20 12:35:44

You’ve seen them before. McDonald’s brings back the McRib. Disney rolls out a limited time only specialty menu. Starbucks uses social media codes to “unlock” new drinks and combinations. And of course, there was Burger King’s Whopperito. Now, Taco Bell is once again getting back into the game, saying Friday that it will bring back a special “Y2K” menu with nostalgia-based items from the ’60s to the ’90s. That includes the Cool Ranch Doritos locos tacos, the 7-layer burrito, tostada, meximelt, a

Topics: brand customers items menu new

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Do Novelty Menus Like Taco Bell’s Y2K Makes Investors Money?

gizmodo.com Riley Gutiérrez Mcdermid 2025-10-20 17:35:44

You’ve seen them before. McDonald’s brings back the McRib. Disney rolls out a limited time only specialty menu. Starbucks uses social media codes to “unlock” new drinks and combinations. And of course, there was Burger King’s Whopperito. Now, Taco Bell is once again getting back into the game, saying Friday that it will bring back a special “Y2K” menu with nostalgia-based items from the ’60s to the ’90s. That includes the Cool Ranch Doritos locos tacos, the 7-layer burrito, tostada, meximelt, a

Topics: brand customers items menu new

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Infinite Threads

technologyreview.com Sarah Foote 2025-10-27 23:00:00

Textiles account for 5% of landfill space—and clothing made with polyester can take up to 200 years to decompose. Massachusetts tackled the problem by banning disposal of clothing and fabrics in 2022. And Infinite Threads, a spinoff of the Undergraduate Association Sustainability Committee, is addressing it by collecting lightly used clothing from the MIT community and selling it for $2 to $6 per item at popup sales held several times each semester. “Our goal is simple: We want to keep clothing

Topics: clothing infinite items sales says

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OmniFocus update brings Planned Dates, mutually exclusive tags, more

9to5mac.com Marcus Mendes 2025-10-27 23:30:53

Today, The Omni Group announced OmniFocus 4.7, which brings interesting new productivity and workflow features. However, an optional database migration is needed to enable some of them. Here are the details. About that new database In a blog post announcing the new features, the company explains that while it worked hard to maintain backwards compatibility between OmniFocus 3 and 4, some of the features announced today will require an update that moves the database to a new format. Still, the

Topics: date items new omnifocus planned

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Temporary suspension of acceptance of mail to the United States

news.ycombinator.com Unknown 2025-10-30 18:41:48

Temporary Suspension of Acceptance of Mail to the United States Due to Changes in U.S. Customs and Regulations On July 30, 2025, the U.S. government issued an executive order titled “Termination of De Minimis Treatment for All Countries” regarding mail to the United States. Under this executive order, starting August 29, 2025, mail containing goods imported for personal use (taxable mail) will no longer be eligible for duty-free treatment, and tariffs will be imposed. On August 15, 2025, U.S.

Topics: customs goods items mail operators

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A visual introduction to big O notation

news.ycombinator.com Unknown 2025-10-29 13:39:36

Big O notation is a way of describing the performance of a function without using time. Rather than timing a function from start to finish, big O describes how the time grows as the input size increases. It is used to help understand how programs will perform across a range of inputs. In this post I'm going to cover 4 frequently-used categories of big O notation: constant, logarithmic, linear, and quadratic. Don't worry if these words mean nothing to you right now. I'm going to talk about them

Topics: function items return sum time

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Japan Post to temporarily suspend mail to US over end of de minimis exemption

news.ycombinator.com Unknown 2025-10-30 23:41:48

Temporary Suspension of Acceptance of Mail to the United States Due to Changes in U.S. Customs and Regulations On July 30, 2025, the U.S. government issued an executive order titled “Termination of De Minimis Treatment for All Countries” regarding mail to the United States. Under this executive order, starting August 29, 2025, mail containing goods imported for personal use (taxable mail) will no longer be eligible for duty-free treatment, and tariffs will be imposed. On August 15, 2025, U.S.

Topics: customs goods items mail operators

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Grocery Stores Toss About 30% of Food. This App Lets You Buy It for Cheap Before They Do

cnet.com See Full Bio 2025-10-31 06:52:00

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Flashfood is an app that lets you shop discounted groceries that would otherwise be tossed due to packaging damage or looming expiration dates. Flashfood 9.2 / 10 SCORE Flashfood Buy at Flashfood Pros Shop for discounted groceries while you shop for other groceries Rescue food that would otherwise have to be tossed Heavily discounted items available acr

Topics: app flashfood food items shop

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Amazon adds perishable food to same-day delivery

engadget.com Unknown 2025-11-21 02:21:44

Amazon is expanding its same-day grocery delivery service with the addition of perishable food items in over 1,000 US cities. Shoppers can now add fresh grocery items like produce, dairy, meat, seafood and frozen foods to their orders. Grocery and non-grocery items can be combined into one order, checked out from one cart and received together on the same day. The company had trialed this service in the Phoenix area last year. Prime members continue to get free same-day delivery where available

Topics: amazon day delivery grocery items

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Tax-Free Back-to-School Sales 2025: You Still Have Time to Save in These 3 States

cnet.com See Full Bio 2025-11-21 02:15:04

Don't miss these tax-free back-to-school sales if you want to save money on supplies. Kryssia Campos/Getty Images It's back-to-school season, and parents everywhere are on the search for the best deals to get their kids ready for the 2025 to 2026 school year. With inflation making everyday items more expensive than ever, timing your purchases during a sales tax holiday can keep more money in your wallet. These tax-free shopping events typically center on back-to-school items, offering discount

Topics: free item items sales tax

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Amazon rolls out same-day delivery of perishable groceries in 1,000 US cities

techcrunch.com Aisha Malik 2025-11-21 11:40:54

Amazon is now letting shoppers in 1,000 cities across the U.S. order perishable food items through its Same-Day Delivery service, as the e-commerce giant seeks to compete more directly with Instacart and Walmart+ in the growing quick-commerce space. Amazon plans to expand the option to over 2,300 cities by the end of the year. Users can now order fresh grocery items, including produce, dairy, meat, seafood, baked goods and more, alongside everyday household products, electronics, and other item

Topics: amazon day delivery items order

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Journaling using Nix, Vim and coreutils

news.ycombinator.com Unknown 2025-11-22 12:04:40

I cobbled together a journaling system with {neo,}vim, coreutils and dateutils. This system is loosely based on Ryder Caroll's Bullet Journal method. The format The journal for a given year is a directory: λ ls journal/ 2022/ 2023/ In each directory are 12 files, one for each month of the year, numbered like so: λ ls journal/2023/ 01 02 03 04 05 06 07 08 09 10 11 12 We can now begin writing stuff down: λ vim journal/2023/1 Every month must start with a calendar of course, fill that in wi

Topics: 12 2023 items todo week

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A fast, growable array with stable pointers in C

news.ycombinator.com Unknown 2025-12-03 18:21:28

August 5, 2025・6 minute read My last article about generic data structures in C was written to set the stage for today’s topic: A data structure that can be used in place of dynamic arrays, has stable pointers, and works well with arena allocators. It’s been independently discovered by different programmers over the years and so goes by different names. A 2001 paper called it a “levelwise-allocated pile” (bleh). Others call it an “exponential array”. In Zig’s standard library it’s “SegmentedLis

Topics: array items sa segment segments

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A Fast, Growable Array with Stable Pointers in C

news.ycombinator.com Unknown 2025-12-04 06:21:28

August 5, 2025・6 minute read My last article about generic data structures in C was written to set the stage for today’s topic: A data structure that can be used in place of dynamic arrays, has stable pointers, and works well with arena allocators. It’s been independently discovered by different programmers over the years and so goes by different names. A 2001 paper called it a “levelwise-allocated pile” (bleh). Others call it an “exponential array”. I use the name “segment array”. I use C in

Topics: array items sa segment segments

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Amazon disputes report that it raised prices of popular items since Trump took office

techcrunch.com Amanda Silberling 2025-12-23 11:39:13

A report in The Wall Street Journal (WSJ) last week found that prices on Amazon’s low-cost essentials had risen since President Trump announced his plans for massive tariffs on international goods. Amazon responded with a lengthy blog post in response to the article, which describes the WSJ’s reporting as “fundamentally flawed.” WSJ analyzed the prices of 2,500 common Amazon items like cough drops, antibacterial wipes, and chicken broth, determining that the prices of these items increased on a

Topics: amazon items prices report wsj

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Back-to-School Sales Tax Holidays 2025: Tennessee's Tax-Free Weekend Kicks Off Today, and 9 More Start Next Week

cnet.com See Full Bio 2025-12-25 15:00:06

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Zooey Liao/CNET Back-to-school shopping season is in full swing, and if you're feeling the strain on your wallet, timing your purchases with a sales tax holiday can help you snag some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-fre

Topics: free item items sales tax

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Tax-Free Weekends Are Happening in 17 States This Summer. Here's Where and When

cnet.com See Full Bio 2026-01-03 21:00:03

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Tharon Green/CNET If you haven't already started on your back-to-school shopping, timing your purchases with a sales tax holiday can help you snag some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-free event, with two happening this

Topics: free item items sales tax

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You Can Save Money on Back-to-School Shopping During Sales Tax Holidays. Is Your State Holding One?

cnet.com See Full Bio 2026-01-05 20:00:04

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Tharon Green/CNET If you haven't already started buying back-to-school essentials, shopping during a sales tax holiday can offer some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-free event, with two happening this weekend, and many

Topics: free item items sales tax

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Quip is a smart clipboard management app for iOS and Mac

techcrunch.com Ivan Mehta 2026-01-06 16:14:39

Developers of Unite, an app that offers customized web app management on Mac, on Monday released a new app called Quip, a clipboard app for the Apple ecosystem. The app includes features for organizing text clips, support for shortcuts to trigger text snippets, duplicate prevention, and code formatting, among other things. Its goal is to offer users more control and customization compared with the traditional clipboard, making it a more productive alternative. Quip is non-intrusive — on Mac, i

Topics: app clipboard disrupt items quip

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Sales Tax Holidays: 17 States Are Holding Tax-Free Back-to-School Shopping Events This Summer. Here's When

cnet.com See Full Bio 2026-01-07 00:00:00

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Tharon Green/CNET If you haven't already started buying back-to-school essentials, shopping during a sales tax holiday can offer some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-free event, with one starting this weekend, and two m

Topics: free item items sales tax

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Sales Tax Holidays: Tax-Free Back-to-School Shopping Events Kick Off This Weekend

cnet.com See Full Bio 2026-01-08 04:58:18

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Tharon Green/CNET If you haven't already started buying back-to-school essentials, shopping during a sales tax holiday can offer some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-free event, with one starting this weekend, and two m

Topics: free item items sales tax

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Discord’s virtual reward, ‘Orbs,’ launches out of beta

techcrunch.com Lauren Forristal 2026-01-20 16:00:00

After announcing in late May that the platform would be experimenting with a new virtual reward system, Discord is now launching it to the public. The aim of the rewards, called Orbs, is to get people to click on more interactive ads. Users earn Orbs after completing Quests, which involve interacting with ads for products or games to get virtual items. Users can redeem Orbs for digital items in Discord’s Shop, like a three-day Nitro credit, an Orb-themed profile badge, profile effects, avatar d

Topics: company discord items orbs users

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The Switch 2 is coming to Walmart tonight at 9PM ET — but there's a catch

engadget.com Unknown 2026-02-23 11:31:29

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . Sam Rutherford for Engadget Walmart has confirmed that the Switch 2 will be available on its site tonight at 9PM ET, but the first hour of availability will only be open to paid Walmart+ members. So, in order to potentially add the new Nintendo console to your cart, you'll need to be

Topics: 9pm available items switch walmart

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Amazon bringing same-day delivery to ‘millions’ of rural customers

theverge.com Andrew J. Hawkins 2026-02-27 16:31:55

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. Amazon announced its intention to bring same-day and next-day delivery to “tens of millions” of people who live in live in smaller towns by the end of 2026. Speedier deliveries will be available to residents “in more than 4,000 smaller cities, towns, and rural communities,” the company said in a press release Tuesday. Item

Topics: amazon day delivery items rural

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Ocarina of Time Randomizer

news.ycombinator.com Unknown 2026-02-26 09:08:34

Shuffle Items. Solve The Logic. This randomizer takes The Legend of Zelda: Ocarina of Time and randomizes the locations of the items for a more dynamic play experience. Proper logic is used to ensure every seed is possible to complete without the use of glitches and will be safe from the possibility of softlocks with any possible usage of keys in dungeons. Depending on settings, all dungeons will always have the same number of small keys, the boss key, maps and compasses. Which chests have tho

Topics: dungeons items keys logic possible

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eBay and Vestiaire Collective Want an Exemption from Trump’s Tariffs

wired.com Paresh Dave 2026-03-11 22:30:00

Last month, Suzanne Smith-Darley felt fantastic. She had just bought a used Chanel handbag from a Japanese seller on eBay for $800—a steal compared to the original asking price of $1,400. About a week later an email arrived that crushed her: DHL was demanding a $142 fee for US tariffs before it would deliver the well-worn medallion tote to Smith-Darley’s Atlanta doorstep. “It goes to Japan, has a whole life, and it could be in the trash literally,” she says. “I’m willing to pick it out of the tr

Topics: items says tariffs trump used

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15% Off Wayfair Promo Code | June 2025 Coupons

wired.com Molly Higgins 2026-03-17 07:30:00

Wayfair has become a staple of online furniture sales thanks to its wide selection of furniture and home goods, as well as fast and free shipping on orders, and 24-hour flash sales. Save even more this month with Wayfair promo codes and Memorial Day coupons for up to 80% off those pricey purchases like furniture. Wayfair carries almost literally everything needed to furnish a home, including pillows, mattresses, bedding, home goods, and so, so much more (even including cat furniture); and we’ve

Topics: day free furniture items wayfair

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Latest Tech News

PKM apps need to get better at resurfacing information

Effective learning: Rules of formulating knowledge (1999)

Effective learning: Twenty rules of formulating knowledge (1999)

Do Novelty Menus Like Taco Bell’s Y2K Make Investors Money?

Do Novelty Menus Like Taco Bell’s Y2K Makes Investors Money?

Infinite Threads

OmniFocus update brings Planned Dates, mutually exclusive tags, more

Temporary suspension of acceptance of mail to the United States

A visual introduction to big O notation

Japan Post to temporarily suspend mail to US over end of de minimis exemption

Grocery Stores Toss About 30% of Food. This App Lets You Buy It for Cheap Before They Do

Amazon adds perishable food to same-day delivery

Tax-Free Back-to-School Sales 2025: You Still Have Time to Save in These 3 States

Amazon rolls out same-day delivery of perishable groceries in 1,000 US cities

Journaling using Nix, Vim and coreutils

A fast, growable array with stable pointers in C

A Fast, Growable Array with Stable Pointers in C

Amazon disputes report that it raised prices of popular items since Trump took office

Back-to-School Sales Tax Holidays 2025: Tennessee's Tax-Free Weekend Kicks Off Today, and 9 More Start Next Week

Tax-Free Weekends Are Happening in 17 States This Summer. Here's Where and When

You Can Save Money on Back-to-School Shopping During Sales Tax Holidays. Is Your State Holding One?

Quip is a smart clipboard management app for iOS and Mac

Sales Tax Holidays: 17 States Are Holding Tax-Free Back-to-School Shopping Events This Summer. Here's When

Sales Tax Holidays: Tax-Free Back-to-School Shopping Events Kick Off This Weekend

Discord’s virtual reward, ‘Orbs,’ launches out of beta

The Switch 2 is coming to Walmart tonight at 9PM ET — but there's a catch

Amazon bringing same-day delivery to ‘millions’ of rural customers

Ocarina of Time Randomizer

eBay and Vestiaire Collective Want an Exemption from Trump’s Tariffs

15% Off Wayfair Promo Code | June 2025 Coupons

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