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Learn Makefiles

I built this guide because I could never quite wrap my head around Makefiles. They seemed awash with hidden rules and esoteric symbols, and asking simple questions didn’t yield simple answers. To solve this, I sat down for several weekends and read everything I could about Makefiles. I've condensed the most critical knowledge into this guide. Each topic has a brief description and a self contained example that you can run yourself. If you mostly understand Make, consider checking out the Makefi

Topics: blah echo make run target

Whistleblower warning: 2FA codes sent via SMS are trivially easy to intercept

Weak Link: Two-factor authentication is designed to harden device security and make unauthorized access even trickier for bad actors. In the imperfect world we live in, however, there's almost always a weak link, and one popular delivery method for 2FA is no exception. Many implementations of two-factor authentication involve sending a one-time passcode to the end user via SMS. Once entered, the user is logged in and it's business as usual. The problem is the inherent weakness of SMS, and the f

Hurl: Run and test HTTP requests with plain text

Hurl is a command line tool that runs HTTP requests defined in a simple plain text format. It can chain requests, capture values and evaluate queries on headers and body response. Hurl is very versatile: it can be used for both fetching data and testing HTTP sessions. Hurl makes it easy to work with HTML content, REST / SOAP / GraphQL APIs, or any other XML / JSON based APIs. # Get home: GET https://example.org HTTP 200 [Captures] csrf_token: xpath "string(//meta[@name='_csrf_token']/@content

Meta tried to buy Ilya Sutskever's $32 billion AI startup, but is now planning to hire its CEO

At the Meta Connect developer conference, Mark Zuckerberg, head of the Facebook group Meta, shows the prototype of computer glasses that can display digital objects in transparent lenses. When Meta CEO Mark Zuckerberg poached Scale AI founder Alexandr Wang last week as part of a $14.3 billion investment in the artificial intelligence startup, he was apparently just getting started. Zuckerberg's multibillion-dollar AI hiring spree has now turned to Daniel Gross, the CEO of Ilya Sutskever's star

Munich from a Hamburger's perspective

Over the long weekend, thanks to Whit Monday being a public holiday in Germany, I decided to visit a friend who lives in Munich. I spent about three and a half days there and thought it would be a good idea to share my thoughts. I saw a lot during my stay, and since I live in Hamburg, I naturally started comparing the two cities. There are quite a few differences. Before I go into the details, I should mention that I’ve been living in Hamburg for seven years, and this was my first time in Bavar

Every fusion startup that has raised over $100M

Over the last several years, fusion power has gone from the butt of jokes — always a decade away! — to an increasingly tangible and tantalizing technology that has drawn investors off the sidelines. The technology may be challenging to master and expensive to build today, but fusion promises to harness the nuclear reaction that powers the sun to generate nearly limitless energy here on Earth. If startups are able to complete commercially viable fusion power plants, then they have the potential

A Visual Guide to Genome Editors

It was Victoria Gray’s first time in London and, despite a sleepless plane ride across the Atlantic Ocean, she wasn’t about to skip sightseeing. While crossing Trafalgar Square, Gray paused briefly to reflect on her experience. “I would never have been able to walk this long before,” she told a NPR reporter. “I feel like I got a second chance.” Four years earlier, in 2019, Gray had become the first patient with sickle cell anemia — a genetic disorder that causes red blood cells to become sticky

Archaeologists Unearth Viking-Era Burial With Incredibly Rare Casket

Archaeologists from Denmark’s Moesgaard Museum have uncovered 30 Viking Age graves dating from 800 to 1050 CE, just under five miles north of Aarhus. Located near the town of Lisbjerg, the burial site has yielded a number of spectacular objects hinting at ties with Danish royalty. “The burial site is most likely connected to the Viking-era manor in Lisbjerg, which is less than a kilometer from the burial site,” Mads Ravn, an archaeologist from Moesgaard and Viking Age expert, explained in the M

Inside the US power struggle over coal

But the Trump administration wants to keep coal power alive, and the US Department of Energy recently ordered some plants to stay open past their scheduled closures. Here’s why there’s a power struggle over coal. Coal used to be king in the US, but the country has dramatically reduced its dependence on the fuel over the past two decades. It accounted for about 20% of the electricity generated in 2024, down from roughly half in 2000. While the demise of coal has been great for US emissions, the

Why Some AI Models Spew 50 Times More Greenhouse Gas to Answer the Same Question

Like it or not, large language models have quickly become embedded into our lives. And due to their intense energy and water needs, they might also be causing us to spiral even faster into climate chaos. Some LLMs, though, might be releasing more planet-warming pollution than others, a new study finds. Queries made to some models generate up to 50 times more carbon emissions than others, according to a new study published in Frontiers in Communication. Unfortunately, and perhaps unsurprisingly,

Conserving Qubits by Using Dissipative VQAs for Thermal Prep

Variational quantum algorithms (VQAs) play a significant role in improving the efficiency and accuracy of quantum computers. However, they come with high noise levels, which degrade their performance. Even though current techniques can mitigate their noise, they involve excessive computational overhead, which limits their feasibility. However, in a paper written for IEEE Transactions on Quantum Engineering, Yigal Ilin and Itai Arad propose incorporating dissipative operations to alleviate the e

This 10,000mAh 22.5W Fast Charging Power Bank Is 88% Off, Now Almost Free on Amazon

In today’s world, having a reliable portable charger is essential. Whether you’re traveling, working remotely or simply out and about, a dead phone or tablet can quickly turn into a major inconvenience. The good news is that fast charging power banks have become the standard… and with the latest deals on Amazon, getting your hands on a high-quality model doesn’t have to break the bank. In fact, today there is a deal so phenomenal that Amazon might not be making any money off it: The 10000mAh 22

Think of a Number

My feed was recently clogged up with news articles reporting that Sam Altman thinks that AGI is here, or will be here next year, or whatever. I will refrain from giving even more air to this nonsense by linking to the stories. This kind of irresponsible hype-generation drives me nuts (although it also drives up stock prices so I can see why the tech bros are motivated to do it). Sure AI can have a good crack at undergraduate mathematics right now, and sure that’s pretty amazing. But our universi

This USB-C Car Charger From Anker Is Going for Peanuts, Not Sure It’ll Get Any Cheaper Than This

If your phone battery always seems to dip into the red while you’re behind the wheel, you’re not alone. It’s a problem tons of people deal with. It doesn’t matter if you’re commuting to work, driving across town for errands, or heading out on a road trip, having a solid car charger is more important than ever. And if your current charger is slow, unreliable, or just not cutting it, this one might be the solution you’ve been looking for. See at Amazon You can head to Amazon to get the Anker USB

Does the Internet Have an Environmental Impact? Yes, Actually. And It’s Getting Bigger

Diagnosing the environmental sustainability of the internet might seem, at first, like trying to figure out where the molecules of water in your morning cup of coffee originated. Water is constantly evolving, cycling through our environments and often carrying the secrets of the places it last passed through. The internet, in all its complexity, appears to operate in a similar fashion. Every time we log online, we step foot into an incredibly intricate stream of data, often cycled, reused and e

World’s Slimmest 10000mAh Charger Drops to Record Low, Now Almost Free on Amazon

Nothing is more frustrating than bulky power banks that take up too much space in your bag and fail to charge your devices quickly. If you’ve ever struggled with this common annoyance, it’s time to meet a solution that’s both compact and powerful. While the INIU brand may not be familiar to everyone, it goes without saying that this product has captured the hearts of millions: With an astonishing more than 78,000 reviews on Amazon and more than 60,000 of which being five-star reviews, the INUI

This Anker Solix C300 Portable Power Station Drops to a New Record Low, Limited Stock Before Prime Day

If you love the great outdoors but also like to know you’ve got enough power on your phone for all of the modern conveniences, then you’ll probably want a good bit of extra power. While you could go for a power bank of some kind, if you’re really committed, then you’re going to want to go for a portable power station. See at Amazon The good news is that, while many of these are incredibly pricey, you can still get a lot of use out of the more affordable models, and better yet, they can get som

Munich from a Hamburger's Perspective

Over the long weekend, thanks to Whit Monday being a public holiday in Germany, I decided to visit a friend who lives in Munich. I spent about three and a half days there and thought it would be a good idea to share my thoughts. I saw a lot during my stay, and since I live in Hamburg, I naturally started comparing the two cities. There are quite a few differences. Before I go into the details, I should mention that I’ve been living in Hamburg for seven years, and this was my first time in Bavar

My favorite portable charger for travel has a handy feature missing from competitors

ZDNET's key takeaways The InfinaCore P3 Pro is available now for $129. It's a USB travel charger and 10,000 mAh portable power bank rolled into one, with a handy Qi2 wireless charger built into the unit. It commands a premium price View now at Infinacore Travel chargers and power banks have become a staple of my travel kit. They give me the ability to keep things topped up when out and about -- and during those unexpected delays -- while giving my ever-growing tech collection a full recharge

Silk & Snow S&S Organic Mattress Review: Soft as a Cloud

Right off the bat, I'm letting you know this bed is made of neither silk nor snow. I would argue that it’s made with something even better—latex. The feel of latex can be hard to pinpoint, as I’ve heard it compared to everything from a thicker yoga mat or trampoline to even a waterbed. The fact of the matter is that latex has cushioning, pressure relief, and a bouncy feel. It’s also pretty good at keeping out heat and allergens, which is a win for hot sleepers and those with allergies. With the

Meta Partners With Oakley for Its Next Pair of Smart Glasses

Tyler Graham Writer Tyler is a writer under CNET's home energy and utilities category. He came to CNET straight out of college, where he graduated from Seton Hall with a bachelor's degree in journalism. For the past seven months, Tyler has attended a White House press conference, participated in energy product testing at CNET's testing labs in Louisville, Kentucky, and written one of CNET Energy's top-performing news articles, on federal solar policy. Not bad for a newbie. When Tyler's not aski

JPMorgan moves further into crypto with stablecoin-like token JPMD

Jamie Dimon, Chairman and CEO of JPMorgan Chase & Co., speaks to the Economic Club of New York in Manhattan, New York City, on April 23, 2024. JPMorgan Chase is taking a step further into the cryptocurrency space with its own stablecoin-like token, called JPMD. The U.S. banking giant told CNBC on Tuesday that it's planning to launch a so-called deposit token on Coinbase's public blockchain Base, which is built on top of the Ethereum network. Each deposit token is meant to serve as a digital re

Mocked Trump Mobile yanks coverage map that ignored Trump renaming Gulf of Mexico

The Trump Organization's rollout of Trump Mobile on Monday—a new wireless service using Trump's image to sell smartphones—was notably messy. Not only did the website reportedly glitch while processing preorders (more on that below), but soon after its launch, at least one glaring mistake on the website had to be quickly changed. Critics on social media were quick to point out that the Trump Mobile coverage map used the Gulf of Mexico instead of using Trump's controversial new name for the body

Why SMS two-factor authentication codes aren't safe and what to use instead

kontekbrothers/Getty We've probably all received confirmation codes sent via text message when trying to sign into an account. Those codes are supposed to serve as two-factor authentication to confirm our identity and prevent scammers from accessing our accounts through a password alone. But who actually handles those SMS codes, and can those people be trusted? New reports from both Bloomberg and collaborative investigative newsroom Lighthouse Reports shed light on how and why text-based codes

The hamburger-menu icon today: Is it recognizable?

Summary: Hamburger menus are a more familiar pattern today than 10 years ago, but the same old best practices for hidden navigation still apply. Few icons in digital design have sparked as much debate over the last decade as the hamburger. The hamburger menu — which earned its nickname because of its abstract, stacked, hamburger-like appearance — was originally embraced as a clever way to save space on small screens by hiding the main navigation behind a single button. While this approach declu

Surgery Still Beats Ozempic and Other GLP-1 Drugs in Real-World Weight Loss Study

When it comes to weight loss, surgery still reigns supreme. Research out today shows that people undergoing bariatric surgery tend to lose significantly more weight than people taking the newest, most effective GLP-1 medications for obesity. Scientists at New York University conducted the study, which analyzed real-world data from obesity patients. People who received surgery lost five times more weight over a two year span on average than those who were prescribed a GLP-1 drug, they found. The

For Almost Free, PopSockets and Anker Come Together With This Easy-to-Hold Magnetic Phone Charger

Save 50% on the PopSockets x Anker MagGo 5,000mAh portable magnetic battery charger over at Best Buy. This collaboration between PopSockets and Anker is a match made in heaven. If your phone is new enough that it supports magnetic wireless charging, then you can pick up this Anker MagGo 5,000mAh portable magnetic battery charger that has an integrated PopSockets grip on the back. Right now, Best Buy has it discounted down by 50%. It’s normally $70, but you can score one in either black or clear

The Nissan Leaf Is Back and Looking to Make Up Lost Ground

Finally, after 15 years, we have a new 2026 Nissan Leaf coming. As befits the “truckification” of global car markets, it’s no longer a compact hatchback. Now it’s a compact SUV—or, more accurately, a crossover utility vehicle built on passenger-vehicle underpinnings. The new Leaf will offer a range of up to 303 miles, Nissan says, from a 75-kilowatt-hour battery pack powering a 160-kilowatt (214-horsepower) motor that produces 261 pound-feet (354 newton-meters) of torque. That motor drives the

The Hamburger-Menu Icon Today: Is It Recognizable?

Summary: Hamburger menus are a more familiar pattern today than 10 years ago, but the same old best practices for hidden navigation still apply. Few icons in digital design have sparked as much debate over the last decade as the hamburger. The hamburger menu — which earned its nickname because of its abstract, stacked, hamburger-like appearance — was originally embraced as a clever way to save space on small screens by hiding the main navigation behind a single button. While this approach declu

The Nissan Leaf Is Back And Looking to Make Up Lost Ground

Finally, after 15 years, we have a new 2026 Nissan Leaf coming. As befits the ‘truckification’ of global car markets, it’s no longer a compact hatchback. Now, it’s a compact SUV—or, more accurately, a crossover utility vehicle built on passenger-vehicle underpinnings. The new Leaf will offer a range of up to 303 miles, Nissan says, from a 75-kilowatt-hour battery pack, powering a 160-kilowatt (214-horsepower) motor that produces 261 lb-ft (354 Newton-meters) of torque. That motor drives the fro