Welcome back, my nascent hackers! We have spent a lot of time in previous tutorials focused on hacking the ubiquitous Windows systems, but the vast majority of "heavy iron" around the world are Linux or Unix systems. Linux and Unix dominate the world of Internet web servers w ...more
Hundreds of Windows 10, macOS, and Linux vulnerabilities are disclosed every single week, many of which elude mainstream attention. Most users aren't even aware that newly found exploits and vulnerabilities exist, nor that CVEs can be located by anyone in just a few clicks fro ...more
When you have to find the average of two or five numbers then you have to add all the numbers and then divide then by two or five respectively. However in the case of the function you have infinite many values over any interval. But it is not possible to add all and then divid ...more
In this tutorial the instructor shows how to find the area of an oblique triangle using different formulas. To find the area of an oblique triangle there are different formulae. The first formula to calculate the area of a triangle is area A = (1/2) * a * b * Sin(C), where a a ...more
Welcome back, my hacker novitiates! In the previous two posts in this series, we looked at the basics of buffer overflows. In this post, we will look at one technique for finding buffer overflows. We will try to send random, oversized, and invalid data at a variable to see wh ...more
Trying to get to the Sunset House region in Fable 3? It's one of the coolest environments in the game, a bonus house, which take some puzzle solving skills to unlock. The Sunset House is a really difficult find and only becomes available after you have become King or Queen in ...more
This video is recorded in a mathematics class room. It is very clear by the sound and picture. The faculty here is explaining that the ratio between two numbers can be found using various formulae and methods. For example, 3:1 is the ratio between p and q. Likewise he explaine ...more
Need some help figuring out how to use the Downloads folder on an Apple compute running Mac OS X? It's easy! So easy, in fact, that this home-computing how-to from the folks at MacMost can present a complete overview of the process in just over five minutes. For more informati ...more
Many of you who tried to wake up to your iPhone's alarm clock this morning didn't. Reports say that after the stroke of midnight last night, the alarm clock application on all iOS 4 devices simply didn't work— unless you set a recurring alarm. Something like this happened to ...more
Welcome back, my hacker novitiates! Often, to hack a website, we need to connect to and exploit a particular object within said website. It might be an admin panel or a subdirectory that is vulnerable to attack. The key, of course, is to find these objects, as they may be hid ...more
If there's an influential tweet, you can see what people are saying about it by reading its comment thread. But what about quote tweets, aka tweets someone posted on their own timeline that quote the initial tweet? These don't show up in comment threads, but there is a way to ...more
Learn how to determine username and password on a Verizon FiOS Router. You'll see the easy steps on how to find out or reset the user name and password of your Verizon FiOS Router by Actiontec.
I had my wallet stolen a few months ago, and I knew I would never see it again. My biggest gripe was not the credit cards in there, since they're easily cancelled, but the gift cards. I had some pretty good gift cards in there, and there's no way to get those back. Your walle ...more
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more
Snapchat was created for the sole purpose of removing evidence from your mobile that a photo or video ever existed. That way, snoopers can't find any of these questionable selfies in your photo gallery. Of course, there are plenty of ways around this safeguard, but it's still ...more
While browsing the web on a computer, most of us are familiar with using Ctrl + F (or Command + F) to search for a specific word on a page — but what if you want to do that on mobile? If you're using Google Chrome, there's a simple way to search for specific words on iPhone or ...more
This is a Computers & Programming video tutorial where you will learn how to hack Google to find anything. There are no audio instructions; only a demonstration of the steps to follow. Go to Google and type into the search box: intitle:”index.of” (type anything here) and searc ...more
The blistering suns of the Mojave Wasteland beat down on your brow, wouldn't you love it to be in a big hulking suit of Power Armor instead? It's off to find the Brotherhood of Steel then! Joining their ranks is the only way to learn how to wear it! In this video you'll get th ...more
A 45 45 90 triangle is a special right triangle because you can use short cuts to find leg length and hypotenuse length. This video solves two problems involving leg length and hypotenuse length. Video: . Highlights of the video A 45-45-90 triangle is an isosceles triangle, w ...more
This tutorial the shows how to find out the measure of an exterior angle of a regular polygon. He shows the formula to find it which is 360/n, where n is the number of sides of the regular polygon. He goes on further to explain the formula by taking an 18-sided regular polygon ...more
The video provides two example problems for finding the radius of a circle given the arc length. Problem one finds the radius given radians, and the second problem uses degrees. Common Core Standard: HSF-TF.A.1. Video: .
Since iOS 11, your iPhone has been capable of offloading hardly used apps to free up storage space for more useful data. But offloading only gets rid of the app's binary, meaning its documents and data are stored on your device in case you reinstall the app. That can take up a ...more
Your computer has a lot of physical keys. Your iPhone has, at most, four hardware buttons, none of which are used for typing. That means the software has to power the same typing tools you'd find on your Mac or PC, only on a touchscreen. As such, some features, such as the ind ...more
It's no secret that there's a lot of surveillance going on these days. It's easier than ever to end up in a database, and even former government agents are speaking out about the atrocious amount of spying being done against our own citizens. They've targeted our laptops, cars ...more
Watercress is an extremely healthy plant when consumed, however it can also be deadly if you select the wrong plant! How exciting. This video will teach you how to recognize the good and bad kinds of Watercress in the wild and use them as an effective wilderness food source.
View the absolute value of a number as its distance from zero. When you take the absolute value of a number, you always end up with a positive number (or zero). Whether the input was positive or negative (or zero), the output is always positive (or zero). For instance, | 3 | = ...more
Are you on the prowl looking for a boyfriend? Are you in need of some flirting techniques? Watch Love U to find out how to hook your honey in a hurry. Learn how to flirt like there's no tomorrow with this dating instructional video.
Google is an incredibly useful database of indexed websites, but querying Google doesn't search for what you type literally. The algorithms behind Google's searches can lead to a lot of irrelevant results. Still, with the right operators, we can be more exact while searching f ...more
Welcome back, my tenderfoot hackers! WordPress-based websites are among the most numerous on this planet (maybe other planets too, but I can't vouch for that). According to WordPress's own website, WordPress powers 23% of the top 10 million websites. That's approximately 2.3 ...more
Imagine a scenario where you're nowhere near your iPhone, but it's on loud, and you really need to silence it. An alarm may be blaring, notifications could be spitting out sounds left and right, and calls may be ringing. Things can get annoying real quick for whoever's around ...more
There are many things your iPhone or iPad can do, and Apple does an excellent job of documenting everything on its website. But there are some features that won't show up in any Apple manuals or help pages. We've rounded up some of the best secret features hiding in iOS 15 an ...more
The discriminate of any equation in any degree plays an important role in determining the roots of that equation. In case of a quadratic equation with a positive discriminate, the roots are real while a 0 discriminate indicates a single real root. A negative discriminant indi ...more
From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical sup ...more
This how-to video is about gold. Yes, gold! Watch to see how to find gold with a metal detector and without a metal detector in the desert by a dry river bed. See what metal detector to use and how to use them, and how to not use one at all, for prospecting gold in the sandy, ...more
Here's your Tuesday afternoon "How the...". In The Elder Scrolls V: Skyrim, if you head to Dawnstar, there exists an invisible chest filled with a lot of good stuff. Yeah, I had no idea about this either. And the coolest part about this? If you follow the video guide to the T, ...more
Dirty, malformed, and outright mischievous text strings have long been the enemy of interactive website developers. Strings contain any combination of letters, numbers, spaces, and punctuation, and are entered into text boxes on websites by users. These strings in particular c ...more
Check out this video to learn how to solve the 20-ball pyramid puzzle. There is no sound in this video.
In this video tutorial, viewers learn how to calculate the standard deviation of a data set. The standard deviation of a statistical population, a data set, or a probability distribution is the square root of its variance. To calculate the standard deviation, users will need t ...more
This video tells you how to find a slope of a parallel / perpendicular to it. In the equation y = mx + c, m is the slope. To calculate the slope of a line that is parallel to another line, you have to consider the rule m1 = m2 which means slope of the first line m1 is equal to ...more
In this video the author shows how to plot a point on the coordinate plane. He explains about the coordinate plane and shows how to read and write points to it with an example. He says that any point on the coordinate plane has an x, y- coordinate values. He says that for any ...more
I'm sure you've been there—halfway through typing something out, you realize that one word you've been using more than any other has been misspelled. Perhaps it's a single word, acronym, or line of code that you find yourself typing quite often at work, but this one requires c ...more
Need help figuring out how to find a given percentage of a whole number (e.g., 16% of 736)? Watch this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thank ...more
For people who are having problems with certain parts of geometry, this video will offer you advice on how to find a missing angle on the outside of a triangle when you are provided with the measurements of the other two angles in the triangle. Since the sum of the angles in a ...more
How much money do you think you're worth? Hundreds? Thousands? Millions? Think again. In the world of shopping centers and barcodes, you may only be worth a few bucks. Scott Blake is the mastermind behind the website Barcode Yourself, a free and simple tool that shows you jus ...more
Not all weather sources are equal. When you're looking at the forecast, you hope that it's at least semi-accurate so you can plan the week and days ahead, but many sources are unreliable. And with the famous Dark Sky API shutting down on March 31, 2023, you'll need an alternat ...more
Google's Android Device Manager makes it extremely easy to track down your phone or tablet, but while it's simple to set up and use, it does require your device to have an active data connection, which can be an issue in some areas. SMSLocator, by T3KBAU5, works a little diff ...more
The blower resistor is one of the many obscure parts in your car. If you find that the fan in your car only works on high, you might well have a broken one. In this video you'll learn how to find, test, and if need be replace the blower resistor in a 2002 Dodge van.
Watch this how-to video and learn some tricks and hacks that you can do with Google. Google has a pretty good sense of humor, so there are a lot of hidden programs to play around with. Watch this video tutorial and learn how to hack, play tricks, and find Easter Eggs on Google.
Math always seems hardest until someone shows you how to do the problem and then it all seems just so simple. This video will walk you through the process of finding the surface area of a cone when you also have to derive the slant height. Use this example to help with your ot ...more
Once you connect all of your devices to your Wi-Fi router at home, you'll never need that long, complicated Wi-Fi password ever again, right? Unfortunately, life isn't that easy. If you need to reset the network settings on your phone or tablet, or have a friend or family mem ...more
Even today, smartphone text input leaves a lot to be desired. It's difficult to select specific words, the cut/copy/paste menu isn't always accessible in every app, and we're lacking undo and redo options, even though it's as simple as pressing Ctrl + Z on computers. Don't Mi ...more
In this tutorial video the author shows how to find the length of the median of a trapezoid. He starts to show that we first need to add the sum of the parallel sides of the trapezoid which are on the either side of the median. Now this obtained value is to be divided by two t ...more
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more
From time to time, you may need to locate the version and build number for a particular app on your iPhone or iPad, but it's not at all obvious where you can find the information. Well, there's more than one place to look on iOS 15 and iPadOS 15, but none are perfect solutions ...more
Apple's default browser for iOS, Safari, has a ton of useful features, and there's so many that it's impossible to know everything you can do to browse the web more efficiently. One you may not know about brings the Command + F keyboard shortcut right to your mobile browser so ...more
File permissions can get tricky on Linux and can be a valuable avenue of attack during privilege escalation if things aren't configured correctly. SUID binaries can often be an easy path to root, but sifting through all of the defaults can be a massive waste of time. Luckily, ...more
Continuity is a new feature for iOS 8 and Mac OS X Yosemite which allows users to connect their Apple devices to their Mac in order to access applications, send text messages, receive phone calls, and more while seamlessly switching between devices. Inside Continuity exists a ...more
The Google Play Store may have fewer restrictions that its iOS counterpart, but that doesn't mean that all apps make the cut. Ad blockers and Xposed modules that bypass paywalls have never had a place on the Google Play Store, which makes tracking their app-updates a painful p ...more
Privilege escalation is one of the essential skills a hacker can have and often separates the newbies from the pros. With a continually changing landscape and a plethora of exploits out there, it can be a problematic aspect of any attack. Luckily, some tools can help expedite ...more
This is the video about how to find the equation of a tangent line. As you may recall, a line which is tangent to a curve at a point a, must have the same slope as the curve. Therefore, the slope of the tangent is m = lim f(a + h) - f(a) h-->0 h Since the slope equation of the ...more