Use Void Functions with C++

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. ...more

Hey everyone. Only found the site a few days ago but really loving it. Been reading and learning new things and always grateful for that. I used to code in c, as well as a few other languages a few years back but fell away from it a bit due to various other commitments. Gett ...more

We last saw China-based augmented and virtual reality headset maker Shadow Technologies at last year's Augmented World Expo, where they had the Action One, one of the wildest augmented reality headsets we've seen, on display. This week, the company re-emerged with Shadow Air, ...more

Many modern Android devices use a display technology called AMOLED. These screens differ from traditional LCD displays in that each pixel emits its own light, so a backlight is not required. Even better, when rendering a black element on the screen, AMOLED displays simply don' ...more

Welcome back, reader! In this tutorial, we will be covering our first program! So let's get to it. We all know the unspoken tradition of the first program when learning a language and of course, here we will respect and complete it. Fire up your favorite text editor (be it vi ...more

Getting used to your new Firefox 4 web browser? If so, you might have seen some improvements in the Location Bar. The updated features make browsing the web a cinch, so it's no wonder why more and more Internet junkies are calling it the Awesome Bar. It's faster and easier to ...more

New Year's Eve. It will be one hell of a chaotic night. Trust me. The overcrowded streets. Long lines for the urinal. Maxing out your credit card on that shot of Cuervo. You'll be lucky to make it out alive. If you do manage to stave off alcohol poisoning and survive the asc ...more

After years of being a PC technician and Windows System administrator, I had the blind hatred for Apple that I thought I was suppose to have. I swore that I'd never even touch an iPod, let alone buy an Apple product. But I found a new career that drug me out of the Windows ser ...more

JavaScript is one of the main programming languages that the Web is built on. It talks directly to your browser and exchanges information with it in ways that HTML simply cannot. With JavaScript, you are able to access browser cookies, website preferences, real-time actions, s ...more

Introduction I will not go into some time-waster of a story about how I came to build this app. It was a prerequisite in a bigger project I am still tinkering with from time to time. What are QR Codes? No doubt you have seen these all over the place in recent years. Origina ...more

For this particular example, I will be working on Wndows (sorry X users). I might write a similar guide once I am more comfortable with programming in Linux. What You Will Need Visual C# 2010 Express (Get it here) Pirate Metal Source Code (For when you are done with the guid ...more

So you want to learn the basics of the fantastic language Java, but you don't want to search the Inter-webs looking for a great tutorial. Well you came to the right place, now may I present to you JAVA. Before We Begin You must have the latest version of Java Development Kit ...more

In this article, I'll be continuing my series on microcontrollers. If you haven't read part one, I'd recommend heading over there and reading it! So How Does Arduino Think? Arduino is programmed with ones and zeros, but hopefully that's not how we programmers have to write t ...more

Black Mirror, Netflix's technology-horror anthology, never fails to provide thought-provoking entertainment centered around emerging and futuristic technologies, and the third season's second episode, "Playtest," delves deep into the worlds of mixed, augmented, and virtual rea ...more

Welcome to the sequel to the latest post on writing 64 bit shellcode! This tutorial will assume that you are aware of everything mentioned in the last one, as I will try to make this tutorial void of formalities and straight to the point! If you have not read the last one, I s ...more

With the official launch of Magic Leap One expected by the end of summer (translation: days from now), Magic Leap's hype machine just took a big hit with the sudden loss of a key marketing executive. Magic Leap confirmed the departure of Jeff Gattis, vice president of product ...more

Welcome back to another episode of Java Tutorials, In today's tutorial, we'll be learning about what methods are, proper syntax when writing Methods, and why they are beneficial in a program's code. Lets dive in. -------------------------- What Is A Method A method is ess ...more

Alright so last time I gave you a homework assignment. This week we're gonna look at my version of the UDP-Flooder. It can be found here. Alright, I assume you've written yours or at least attempted to. First let's take a look at the struct used in this program struct sock ...more

Welcome back to another tutorial on functions. Last time, we looked inside memory to see what functions looked like in the flesh and all that Assembly was pretty nasty. At least you have some exposure to it. This time, we will be examining how functions work with the stack. E ...more

To Android users, especially advanced ones, rooting their phones or tablets is becoming a necessity. Rooting Android could be complicated, if you do it all by yourself, even with a step-by-step tutorial. However, what Kingo Android Root offers you is a true one-click experienc ...more

Welcome to a tutorial explaining functions. This article will help clarify some things we have already been exposed to such as function prototypes, function calls, return values, etc. What Is a Function? A function is a type of routine which has its own defined set of proced ...more

It's been a while since I wrote up an article for this series but I did say that I'd be covering some WinAPI. So if you're interested in programming for the Windows platform, hop aboard and follow along. Note: This is an extension of the standard C that the previous material ...more

There's no iMessage app on Android, so unlike the folks who own both an iPhone and a Mac, we have to rely on third-party solutions to send and receive SMS messages from our computers. But on the bright side, this means we don't have to buy an exorbitantly expensive desktop or ...more

In this simple tutorial you will be shown step-by-step how to write local shellcode for use on 64-Bit Linux systems. Shellcode is simple code, usually written in assembly that is used as payload in exploits such as buffer overflow attacks. Payloads are the arrow head of an exp ...more

There are a lot of songs out there, so it's tough to remember all of the words to every song you like. If you're like me and have a less-than-perfect memory, visual aids will ensure your Apple Music jams aren't interrupted with incorrect or forgotten lyrics. That's why Apple's ...more

If you ever want to root your OnePlus 6, install TWRP, get Magisk and Xposed, or flash a custom ROM, the first thing you'll need to do is unlock your bootloader. Your bootloader is a piece of firmware that loads up the operating system on your phone. Normally, it's programmed ...more

Hello again, reader! In this post, we are going to cover some data types and how to declare variables. It shouldn't be too hard so just sit back, relax, grab some popcorn and enjoy the ride (while you still can!). What Is a Variable? For those who do not know, a variable is ...more

Heads up! We've done a new, more thorough review of the best Android file-sharing apps. You can check that out here. Our old file-sharing app roundup can still be viewed below for posterity. Update: The 4 Best File-Sharing Apps for Android (2018) We've come to a point where ...more

KNOX is a major pain for Samsung owners who like to modify their devices. Its combination of hardware and software security measures make things rather difficult when you're trying to modify system-level files and functions without voiding your warranty. Recently, a new root ...more

With Safestrap bringing custom recovery functionality to the AT&T and Verizon Wireless variants of the Samsung Galaxy S5, it's high time we covered this process for all other versions of the GS5. If you're not familiar with the term "custom recovery", it's a piece of software ...more

There have been concerns with how much personal information Google tracks and all the things they know about us. Of course, that's what makes Google services so useful, they can use that information to cater to each of us individually. So yes, it serves a purpose, but it's not ...more

As a developer, before you can make augmented-reality robots that move around in the real world, controlled by a user's finger, you first need to learn how to harness the basics of designing AR software for a touchscreen interface. In recent years, the vernacular for referrin ...more

Although the Essential PH-1 got off to a rocky start, thanks to steady updates, it has slowly become one of the best Android phones to come out in recent years. For $499, the Essential Phone is a cheaper Pixel, receiving updates almost as soon as the Pixel lineup does. What's ...more

Root, TWRP, Xposed, Magisk, custom ROMs — before you can have any of these, the first thing you should do is unlock your bootloader. Thankfully, the Pixel 2 and Pixel 2 XL are some of the most modder-friendly phones out there, so you only need to send a single fastboot command ...more

Several technologies seek to change the way we perceive our reality, whether that involves entering a virtual world, augmenting an existing one in a realistic and interactive way, or somewhere in-between. It's tough to keep track of what we mean with this terminology, so let' ...more

Without a comprehensive root method for all Android phones and tablets, a device-specific approach is needed. And since we always cover new rooting methods for all the popular phones here at Gadget Hacks, we've built this always-updated guide to rooting many mainstream Android ...more

Overall, iOS is more impressive than ever with its stability enhancements, security tools, suite of apps and services, and intuitive user interface. With each passing update, things just get better and better for iPhone users. But don't think for a second that this is all beca ...more

In this chapter, we want to start seeing some real progress in our dynamic user interface. To do that, we will have our newly crafted toolset from the previous chapter appear where we are looking when we are looking at an object. To accomplish this we will be using a very usef ...more

Update (February 2019): The methods below will help on older Android versions, but we've recently revisited this topic. So if you have a newer Android phone and you want to get rid of Google, head here. It seems like every week there is a new exposé revealing all of the backr ...more

According to a study done by Kaspersky, 7.6% of Android users root their phones. That may not sound like a lot, but with over 2 billion Android devices out there, the math works out to over 150 million rooted phones — more than the total population of Russia, Mexico, or Japan ...more

Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you. Rooting allows you to remove barriers and open Android to a level of unprecedented contro ...more

Your smartphone stays with you everywhere you go, so it's only a matter of time before you spill coffee all over it or drop it on the ground. For some of you, it has already happened, perhaps even multiple times. That's why we thought it was important to find out which flagshi ...more