Cost Function Search Results

How To: Enable HomeKit Secure Video on Your Logitech Circle 2 Cameras

In iOS 13, Apple introduced HomeKit Secure Video, which allows smart home devices with cameras to give iPhone users a private and secure way to store recorded videos. Plus, it has benefits such as object detection and activity notifications. Logitech is the first to add support for HomeKit Secure Video with its Circle 2 cameras, and all it takes is a quick firmware update to get started.

How To: Make Text Bigger or Smaller in iOS 13's Safari — Without Affecting the Rest of the Webpage

Viewing and reading content on websites is inherently harder to do on an iPhone due to the relatively small display. Even if you have an iPhone XS Max or 11 Pro Max, you'll probably struggle sometimes to read through tiny text while browsing online. Thanks to a feature found within Safari's view menu in iOS 13, your eyes can rest a little easier.

How To: Automate Focus, Zoom & Exposure Changes in Filmic Pro for Smoother Pull Operations

There are many reasons to use Filmic Pro if you're a mobile videographer. Chief among them is its automated controls, called "pull-to-point" sliders. These pull-to-point controls not only allow you to manually adjust focus, zoom, exposure, ISO, and shutter speed before and during the action, they also let you set start and end points to automate each function, leaving you free to focus on filming.

News: The iPhone 7 Just Became the Spiritual Successor to the iPhone SE

After announcing the iPhone XR, XS, and XS Max, one thing was noticeably absent from Apple's Sept. 12 event — the iPhone SE 2, the long-awaited upgrade to 2016's niche yet popular 4-inch model. Not only does Apple have no apparent plans for an update, it has also officially dropped the SE from its online store. Looking for a small iPhone that packs a punch? You might have to try the iPhone 7.

How To: Stop Incoming Calls from Taking Over Your iPhone's Entire Screen

Incoming phone calls and FaceTimes, whether you want to answer them or not, will take over your entire iPhone's screen — no matter what you're in the middle of doing on the device at the moment. You could be browsing the web, playing a game, or chatting on social media. It doesn't matter, you'll get interrupted. But you don't have to put up with it anymore.

News: Get Ready to Start Paying More for Your iPhone Apps

Look, we all like getting things for free. That's why we can stomach things like advertisements and optional purchases in freemium apps and games — we're willing to pay for our mobile experiences in every way but currency. Although freemium seems to be the model for the future of iPhone entertainment, it looks like a different scheme might win out in the end.

Hands-On: Kopin's Golden-i Infinity Is What Google Glass Was Supposed to Be, But Comes at a Cheaper Price

If you cover a particular area in tech long enough, you develop certain pet peeves, and one of mine happens to be devices that attempt to keep us wed to the Google Glass style of augmented reality. And while I remain mostly uninterested in such devices, one of these products recently earned my admiration and might work for you, too, under the right circumstances. It's called the Golden-i Infinity.

Market Reality: Qualcomm & DigiLens Prepare Components for AR Wearables & Retailers Get an AR Reality Check

It will likely take a few more years before smartglasses are ready for primetime as component makers achieve the innovations necessary for consumer-centric device designs. Nevertheless, two technology companies are making steps in that direction as Qualcomm is rumored to be working on a chip dedicated to AR & VR headsets, while DigiLens has reduced the size of its waveguide displays for motorcycle helmets.

Market Reality: Apple's Smartglasses Timeline Shifts, Continental Invests in Automotive HUDS, & Target Ships Web AR App

Consumers are chomping at the bit for augmented reality smartglasses from Cupertino's finest, but one market analyst is saying not so fast, Apple fans. Meanwhile, automotive AR is gaining speed, with the latest milestone coming courtesy of a major investment in waveguides by Continental. And although mobile AR apps have already arrived, retailer Target is taking a different approach. So why is Target tinkering with web-based AR? Answers below...

News: We May Finally Know How Many HoloLens Devices Microsoft Sold, & It's a Revealing Peek at the Future of AR

Last week, we told you about Microsoft's Alex Kipman and his nomination for the annual European Inventor Award, presented by the European Patent Office (EPO). And while that's big news in and of itself, it turns out we overlooked a very important detail buried in the EPO's video presentation. What was it? Only one of the most sought-after data points related to the HoloLens since its launch: how many have been sold.

IFTTT 101: How to Find & Set Up Applets

IFTTT (short for If This, Then That) is an amazing piece of software that automagically links actions on your phone with online services and real-world objects. For example, an applet could read: "if you come home, then turn on Wi-Fi." IFTTT goes further than just using simple smartphone functions, though — thanks to applets, it's fully configurable with a ton of smartphone apps.

How To: Generate Private Encryption Keys with the Diffie-Hellman Key Exchange

When we are building programs that communicate over a network, how can we keep our data private? The last thing we want is some other lousy hacker sniffing our packets, so how do we stop them? The easy answer: encryption. However, this is a very wide-ranging answer. Today we're going to look specifically at how to encrypt data in Python with dynamically generated encryption keys using what is known as the Diffie-Hellman key exchange.