Facebook Groups are meant to be communities for people with something in common to come together. Sadly, they can also draw the attention of trolls. If you’re managing a Facebook Group, you’ll most likely have to step in and remove someone at some point. Here’s how. If someone’s posted a particular offensive comment and you want them out right away, click the little arrow next to their comment and select Delete Post and Remove User....

iPhone apps aren’t very expensive, but that doesn’t mean you can’t save a few bucks. Here’s how to track App Store sales so you can get the apps you want for a discount. There are a few different tools you can use, but we like AppShopper. It lets you create a wish list of apps and games you want, then sends you email notifications when apps are on sale. If you’re lucky, you may even be able to nab some of those paid apps for free (or, at the very least, for 99 cents)....

First smartphone screens replaced wallet pictures as the way to show off your photos and now you can put your photos right on your wrist. Read on as we show you how to sync your favorite photos to your Apple Watch. How Does It Work? The Apple Watch can store up to 500 photos from your iPhone (as long as the feature is enabled the Photo app on your phone and the Photo app on your watch work seamlessly together)....

Thanks to a hidden virtual Wi-Fi adapter feature in Windows, you can even create a Wi-Fi hotspot while you’re connected to another Wi-Fi network or wireless router, sharing one Wi-Fi connection over another one. Turn Your PC Into a Wi-Fi Hotspot the Easy Way If you can’t get the built-in Windows Wi-Fi hotspot working, you should try using Connectify Hotspot instead — it’s a completely foolproof Wi-Fi hotspot with tons of options and a nice interface....

After almost a year in beta, Docker Compose v2 is generally available as the container management tool’s stable release. Most users should be able to make the switch today. In this guide, we’ll show you how to prepare and apply your upgrade. What’s New In v2? Docker Compose v2 brings Compose’s familiar functionality to the regular docker CLI. Instead of interacting with a separate docker-compose binary, you now use docker compose....

Exponents are simply repeated multiplications. For example, four to the third power (4³) isn’t 4 x 3, it’s 4 x 4 x 4, which equals a total of 64. If that sounds complicated, fear not; Excel can do the heavy lifting for you! How to Display Exponents in Excel Before we learn how to use exponents, we’ll start with a quick example of how to type them in Excel. In this case, we’ll need to employ the Superscript function, so we can display the exponent....

Don’t think that it’s just your banking details that are important: after all, if someone gains control over your account login they not only know the information contained in that account, but the odds are that same login information may be used on various other accounts. And if they compromise your email account, they can reset all your other passwords. So in addition to keeping strong and varying passwords, you have to always be on the lookout for bogus emails masquerading as the real thing....

If you use iOS or Android devices, you’re familiar with the drag-and-drop method of creating folders. If you like that method of grouping files, you can get the same functionality on your Windows PC using a free utility, called Smart Folders. Smart Folders helps you quickly organize your files, such as images, documents, and audio files, without having to create separate folders before you move the files. Simply drag one file on top of another file to create a new folder....

If you use Safari on Windows, we have some bad news for you: the new Safari 6 has been out for over five months and Apple has confirmed it will not be released on Windows. Apple has also removed all Windows download links from its main Safari page, so Safari on Windows is probably a dead product. If you use Safari on Windows, you should consider switching to another browser – or be stuck with Safari 5 forever....

“We’ve always been passionate about bringing consumers experiences that impact their lives in meaningful ways,” says Hyesoon Jeong, VP and Head of Framework R&D Group at Mobile Communications Business, Samsung Electronics. “We’re delighted to partner with Grammarly on this new tool to help Samsung users express themselves clearly and confidently in English as they connect with people around the world.” This may be an issue for some users, as Grammarly will be checking over their text, which might not be something they want....

Android 4.2 improves on Android 4.1 in numerous ways, adding a variety of new features. Android 4.2 isn’t as big an update as Android 4.1, also called Jelly Bean, but it’s a definite improvement. If you have a Nexus 7 or Galaxy Nexus, you should be getting this update very soon. Unfortunately, it will likely take quite a bit longer for manufacturers to ship Android 4.2 on non-Nexus devices....

Emma Play Video Jane Austen’s classic novel has been adapted numerous times, but the sparkling and witty 1996 version starring Gwyneth Paltrow is a standout. Paltrow plays the meddling Emma Woodhouse, who’s convinced that she can create perfect romantic matches for everyone but herself. Of course, she doesn’t realize that her longtime friend and neighbor Mr. Knightley (Jeremy Northam) is deeply in love with her. Emma is streaming on HBO Max ($14....

Ubuntu Linux uses groups to help you manage users, set permissions on those users, and even monitor how much time they are spending in front of the PC. Here’s a beginner’s guide to how it all works. Users and Groups Ubuntu is set up for a single person to use when you installed it in your system, but if more than one person will use the computer, it is best for each person to have their own user account....

The first thing you need to think about is what you’re buying speakers for. Bookshelf speakers can be useful for both music and movies, but a portable Bluetooth speaker isn’t going to work for a home theater. Think about what you’ll be using the speakers for the most and let this guide your decision. Many speakers these days are either battery-powered or use their own power supply that plugs into the wall....

Dangling Docker images are untagged and unused layers that exist on your host’s filesystem. You might not be aware of their presence and they’re usually unwanted garbage. In this article you’ll learn how dangling images arise and what you can do to clean them up. It’s a good idea to periodically inspect how many dangling images you have so you can avoid wasting your disk’s capacity. What Is a Dangling Image?...

What’s a Teletype? A teletype (or more precisely, a teleprinter) is a communications device that allows operators to send and receive text-based messages using a typewriter-style keyboard and printed paper output. The term “teletype” originated as a trademarked term for a brand of teleprinters created by the Teletype Corporation in 1928. Teletype Corporation’s products became so ubiquitous that “teletype” evolved into a generic term synonymous with “teleprinter,” especially in the field of computers....

Earlier this week we asked you to share your tips, tricks, and tools, for managing a messy music collection. Now we’re back to share so great reader tips; read on to find ways to tame your mountain of music. Several readers were, despite having tried various techniques over the years, fans of doing things largely the manual way. Aurora900 explains: Bilbo Baggins would love to automate, but eclectic music tastes make it hard:...

Nothing is certain, but one thing makes preserving our history a lot easier: emulation. Getting old Atari, Nintendo, and Sega games working on your computer, while legally complicated, helps ensure that even the most obscure titles stay alive in some form. Collections Aren’t Enough If not for emulation, how would games be preserved? Well, there are collectors. People who obsessively scan eBay for obscure games, then buy and preserve them, go a long way to making sure no games disappear forever....

The Linux expect command lets you automate interactions with scripts and programs. You can send any kind of response to the script when it is waiting for some text input. Automation Means Efficiency When you administer a Linux computer or group of computers you’ll run up against many repetitive tasks. The obvious answer is to write a script to perform the bulk of the work for you. The Bash shell, like all modern shells, provides a rich and flexible scripting language....

If you’re fed up with your current carrier and want to switch to a better one, you might be wondering if you can take your current iPhone with you. This is a lot more straightforward than it used to be, but there are still some things to keep in mind. You’ll Need to Get Your iPhone Unlocked by Your Current Carrier (If It Isn’t Already) RELATED: How to Unlock Your Cell Phone (So You Can Bring It to a New Carrier)...