The Jedi Archives Are Modeled After Which Earth-Based Library? |
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Thursday, February 28, 2019
Geek Trivia: The Jedi Archives Are Modeled After Which Earth-Based Library?
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How to Add a Contact to Favorites on iPhone
The Phone app on your iPhone has a convenient “Favorites” section where you can find your most important contacts. Here’s how to choose which contacts appear here.
You can also set Do Not Disturb so that your favorite contacts can always reach you—even if other incoming phone calls won’t ring your iPhone. This can be vital in an emergency.
Favorites have been around since the very early days of the iPhone, but that likely means that you’ve forgotten that they exist. And that’s a real shame because this feature is so useful.
How to Add a Contact to Favorites
To add a contact to favorites, open the Phone app—the one with the green phone icon—and tap the “Favorites” button before tapping the “+” button in the top-left corner.
Next, find the contact that you want to add and tap their name.
You will now be shown all of the types of entries you can create for the contact you selected. Those include “Message,” “Call,” “Video,” and “Mail.” Tap the type of favorite you want to create. When tapped, that is the action that will be performed when the favorite is activated. For this how-to, let’s select “Message.”
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Deal Alert: Grab a White Apple Watch Series 3 for $220 (38mm Only)
If you’ve been thinking about jumping on the Apple Watch train, you can do it today for a cheaper than ever before. Amazon is selling the white Watch Series 3 for just $220, which is $60 off the normal price.
This deal is only for a specific model, though: the white 38mm version of the Series 3. If you go for the Space Gray model, the price jumps to $250. Similarly, if you have a meaty wrist and ant the 42mm version, expect a price bump—by almost $100, in fact. That’s nuts.
The Series 3 Apple Watch has all of the features that you’d expect from a premium smartwatch. It mirrors notifications from your phone, monitors your heart rate, and helps you keep track of your fitness goals. You can also make calls or control Siri from the Apple watch, and of course, you can use it to check the time.
Keep in mind that Series 3 is the previous generation Apple Watch. If you want to perform ECGs, then you’ll need to wait for the Series 4 Apple Watch to go on sale.
As with any deal, you’ll want to buy this while you can. There are a lot of Apple fans out there, and they’re probably beating you to the deal at this very moment.
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How to Calculate a Z-Score Using Microsoft Excel
A Z-Score is a statistical value that tells you how many standard deviations a particular value happens to be from the mean of the entire data set. You can use AVERAGE and STDEV.S or STDEV.P formulas to calculate the mean and standard deviation of your data and then use those results to determine the Z-Score of each value.
What is a Z-Score and what do the AVERAGE, STDEV.S, and STDEV.P functions do?
A Z-Score is a simple way of comparing values from two different data sets. It is defined as the number of standard deviations away from the mean a data point lies. The general formula looks like this:
=(DataPoint-AVERAGE(DataSet))/STDEV(DataSet)
Here’s an example to help clarify. Say you wanted to compare the test results of two Algebra students taught by different teachers. You know the first student got a 95% on the final exam in one class, and the student in the other class scored 87%.
At first glance, the 95% grade is more impressive, but what if the teacher of the second class gave a more difficult exam? You could calculate the Z-Score of each student’s score based on the average scores in each class and the standard deviation of the scores in each class. Comparing the Z-Scores of the two students could reveal that the student with the 87% score did better in comparison to the rest of their class than the student with the 98% score did in comparison to the rest of their class.
The first statistical value you need is the ‘mean’ and Excel’s “AVERAGE” function calculates that value. It simply adds up all of the values in a cell range and divides that sum by the number of cells containing numerical values (it ignores blank cells).
The other statistical value we need is the ‘standard deviation’ and Excel has two different functions to calculate the standard deviation in slightly different ways.
Previous versions of Excel only had the “STDEV” function, which calculates the standard deviation while treating the data as a ‘sample’ of a population. Excel 2010 broke that into two functions that calculate the standard deviation:
- STDEV.S: This function is identical to the previous “STDEV” function. It calculates the standard deviation while treating the data as a ‘sample’ of a population. A sample of a population might be something like the particular mosquitoes collected for a research project or cars that were set aside and used for crash safety testing.
- STDEV.P: This function calculates the standard deviation while treating the data as the entire population. An entire population would be something like all mosquitoes on Earth or every car in a production run of a specific model.
Which you choose is based on your data set. The difference will usually be small, but the result of the “STDEV.P” function will always be smaller than the result of the “STDEV.S” function for the same data set. It is a more conservative approach to assume there is more variability in the data.
Let’s Look at an Example
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Can Smart Thermostats Ruin Your Furnace?
It may sound preposterous, but some people are afraid smart thermostats are bad for heating and air conditioning systems. Here’s the good news: You don’t have much to worry about, but there are some important things to keep in mind.
A relatively recent post on Reddit recounted an HVAC technician’s warning about smart thermostats:
“He said he never recommends them and that their company is REGULARLY replacing systems that have failed or prematurely broken down due to the Nest overworking the computing systems/motherboards built in to most HVAC units—even brand new models.”
The technician isn’t completely full of it. If your smart thermostat isn’t wired up correctly, then it can cause problems for your HVAC system. However, his explanation is mostly filled with a lot of FUD (Fear, Uncertainty, and Doubt.)
It’s All About the C Wire, Baby
Every thermostat has a handful of wires connected to it (either four or five) that lead back to the electrical control board of your HVAC system. Each wire is usually responsible for something specific, like one wire is for cooling, and another wire is for heating. Many systems have a “C wire” (or “common wire”), which is dedicated to providing electricity to the thermostat to power the screen and other electronic functions.
Older systems usually don’t have a C wire, though, because back then thermostats didn’t require electricity thanks to the fully mechanical operation of mercury-switched thermostats. But today, most modern thermostats have more bells and whistles, which require electricity to run. Thus, the purpose of the C wire.
A C wire isn’t necessarily required for smart thermostats, but it’s highly recommended. And if your thermostat’s wiring includes a C wire, you should connect it to your smart thermostat—most problems that arise due to the smart thermostat happen because there’s no C wire connected to it.
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Wednesday, February 27, 2019
Geek Trivia: Which Cartoonist Coined The Name For Stegosaurus Tail Spikes?
Which Cartoonist Coined The Name For Stegosaurus Tail Spikes? |
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How to Find All the Files You’ve Shared in OneDrive
Microsoft’s OneDrive makes it easy to share and unshare files and folders. But what if you want to see everything you’ve shared, in one simple list? OneDrive can do that easily, and here’s how you get to it.
RELATED: How to Find All the Files You’ve Shared in OneDrive
Log into your account on the OneDrive site. You can also sign in to your Office 365 account and select OneDrive from the app launcher.
Note that OneDrive for Business will also show you things people have shared with you in a separate tab, but sadly that’s not an option in a personal OneDrive.
In the menu on the left-hand side, click “Shared.”
All of the files and folders you’ve shared will be displayed.
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Samsung is Bloating Everything with McAfee—Even Smart TVs
Samsung has a long-running relationship with McAfee. And while it’s bad enough that it bundles this nigh-useless junk on its computers, it’s “extending” this partnership to the S10 and all 2019 Smart TVs.
Of course, this isn’t the first time we’ve seen Samsung throw McAfee on Galaxy smartphones, as it shipped the S8 with the antivirus app installed too. Then it later brought it previous Galaxy devices with an update, which is honestly just disgusting.
Make no mistake here: McAfee is paying Samsung a pile of cash to do this, which is a pretty common practice for all PC makers. It lets McAfee extend its presence, especially for less-savvy users who honestly don’t know you that antivirus apps on Android are nearly useless. Just like with bundled antivirus software on computers, you simply don’t need it. (For Windows machines, Microsoft’s Windows Defender does a great job, and it’s integrated).
But here’s where things are really starting to get out of hand: as of 2019, Samsung will include McAfee on its smart TVs. Straight from the PR:
McAfee extended its contract to have McAfee Security for TV technology pre-installed on all Samsung Smart TVs produced in 2019. Along with being the market leader in the Smart TV category worldwide, Samsung is also the first company to pre-install security on these devices, underscoring its commitment to building security in from the start. McAfee Security for TV scans the apps that run on Samsung smart TVs to identify and remove malware.
Samsung is “the first company to pre-install security on these devices” for good reason: you don’t need it. First off, Samsung’s Smart TVs run its own Tizen OS (which is based on Linux) for which malware is virtually non-existent. So, right out of the gate, it’s inherently a non-issue.
Secondly, the same rule applies to smart TVs that apply to Android, which is basically to be smart about what you install. If you don’t know what it is, then don’t install it. If it’s not from the TV’s official store, don’t install it. Don’t sideload random stuff. Just, you know, use common sense.
While there are documented cases of Android-based smart TVs getting infected with ransomware, installing apps from unofficial stores or websites is nearly always the culprit. So if you don’t do that, then you should be fine. And again, Samsung TVs don’t run Android—they run Tizen.
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Gamer Alert: Grab an Xbox One S, Minecraft Creator’s Bundle, and RDR2 for $220
If you’ve been waiting to buy an Xbox One S, now might be the best time to jump on it. Hopefully, you have some free time this year because Massgenie is offering a deal that’s too good to pass up.
Massgenie is offering an Xbox One S, the Minecraft Creators Bundle, and Red Dead Redemption 2 for just $220. If you bought all of these games on Amazon right now, you’d be paying more than $300.
Remember when the Xbox One was priced around $500? Yeah, this deal is so good that it’s almost frustrating. But if you’ve never heard of Massgenie, then there are a few things that you need to know.
Massgenie, like Massdrop, buys items in bulk and sells them at a steep discount. The stipulation here is that a certain number of people need to commit to buying the product, or else nobody gets it. For this Xbox One S deal, the “Power Deal” goal has already been met — enough people have paid for the product, so you just need to put down your money before the deal ends.
But Massgenie has a “first in first out” policy, so you want to put down your money sooner rather than later. Sometimes there isn’t enough inventory to honor every purchase, so people that are late to the game get a full refund instead of the Xbox One S. Hey, at least there’s no risk.
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The Best Chrome Extensions for Making Gmail Better
Gmail is already pretty great, but with the addition of a few carefully selected Google Chrome extension, you can get it to do so much more. Here are some of our favorites.
We typically don’t recommend using a lot of browser extensions because they can be a privacy nightmare. Still, it’s hard to resist extensions that can significantly improve things for you. We’ve checked out all these extensions ourselves, testing them, looking at their reputations among users, and favoring extensions that make their source code public when possible. Still, you should learn how to make sure Chrome extensions are safe before using them and use them sparingly.
RELATED: The Best Chrome Extensions for Managing Tabs
FlowCrypt
FlowCrypt is an easy way to make sure any message you send from your Gmail account gets encrypted—even attachments!—using PGP encryption. FlowCrypt places a button on the UI that lets you compose a secure message when you click it. Once you and the recipient install FlowCrypt you can send encrypted messages to anyone on your contact list, whether they have FlowCrypt or not. If the recipient has FlowCrypt installed, messages are decrypted automatically when they’re opened on the other end. However, if they don’t have it installed, you have to create a one-time password which you should share not via email, for obvious reasons.
RELATED: Why No One Uses Encrypted Email Messages
Discoverly
Discoverly is like a private eye for Gmail. Anytime you receive an email from an unknown person, it scours the internet, revealing the person’s Twitter, Facebook, Gmail, and even LinkedIn to show you who they are. Discoverly connects all the information from these sites and outs it together for you to see the person’s mutual connections, work info and position, and it even displays their tweets.
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Deal Alert: Amazon is Heavily Discounting SD Cards, SSDs, and More
If you’ve been in need of an SD card or an SSD, now’s the time to buy one. Amazon is running a huge sale on memory and storage products. Most of the products on sale are from Sandisk, so you know that they’re reliable and durable.
All of the items in Amazon’s sale are at least 20 percent off, so there aren’t any bad deals in this sale. That being said, we have a few favorites:
- Sandisk 1 TB SSD – $99
$125 - Sandisk 400 GB Micro SD Card – $62
$95 - Sandisk 64 GB SD Card – $14
$34 - Sandisk External 2 TB SSD – $300
$700
Amazon will end this sale by the end of the day, so don’t wait too long to grab that Micro SD card or SSD. You’ll always remember that you got it for a good price as you traverse through years and reading and/or writing.
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Wi-Fi Cams Do More Than Just Record Video
The main purpose of Wi-Fi cameras is to record video, but that’s not the only thing they can do. Modern Wi-Fi cams are sophisticated pieces of hardware and they can do a lot more than simply record video.
RELATED: What You Should Know Before Buying Wi-Fi Cameras
This also means that if you’re in the market for a Wi-Fi cam, there are a lot more features that you’ll want to know about a specific model other than its video quality. Here are features that some Wi-Fi cameras have other than just video recording.
Two-Way Talk
Pretty much every Wi-Fi camera these days comes with a built-in microphone and speaker so you can use your smartphone and your Wi-Fi cam as walkie talkies of sorts.
The accompanying app on your phone lets you hit a button and start talking through the camera, and the person on the other end can talk back using the microphone on the camera itself. This is especially useful on video doorbells where you can talk to the person who came to your door (rather than actually opening and answering the door), especially if it’s someone who you’re not quite sure about.
Of course, if this intercom isn’t a feature that you’ll use, there’s usually a setting that lets you turn off the microphone and speaker on the camera, but this usually will also prevent video recordings from capturing audio.
Facial Recognition
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How to See Which Apps Are Tracking Your Location on iPhone
Apps on your iPhone can track your location, but you have to give them access first. Here’s how to check which apps can monitor your GPS location and revoke their access.
As important as privacy is, letting some apps track our location makes them much more useful—and sometimes it’s essential. It’s unreasonable to expect Google Maps to work as it should without Google knowing your location, but does that note-taking app need to know where you are? Maybe, maybe not.
Where you stand on these things is a personal decision, and it’s not one we’re here to argue. We’re here to show how to take control of which apps know your location, and when they’re allowed to track it.
It’s also important to remember that some apps need your location data to do their job. Revoking access to your location can stop some important features from working. Keep that in mind when checking which apps can and cannot access your data.
RELATED: Why Do So Many Apps Ask For Your Location, and Which Ones Really Need It?
How to See Which Apps Are Tracking You
To see a list of apps that have requested access to your location data, open the Settings app and tap “Privacy.”
Next, tap “Location Services.”
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