How To: Security-Oriented C Tutorial 0x10 - Pointers and Addresses
In previous tutorials we have encountered these things called pointers and addresses but we still don't know what they really are. Let's learn a bit more to clear things up.
In previous tutorials we have encountered these things called pointers and addresses but we still don't know what they really are. Let's learn a bit more to clear things up.
Welcome back! In the last round of python training, we talked about tuples and dictionaries. We'll be diverging again and talking about logical operators as well as membership operators. These are used very similiar to booleans, so if you haven't read that, I suggest you do so first.
You want to become anonymous, and dont want your IP to be logged on websites? Well read along here. Continuing This Series:
Greetings all. Before I get into the tutorial, I would like to mention that I am fairly new to Null Byte (been lurking for some time though), and what really appeals to me about this place is its tight, family-like community where everyone is always willing to help each other and the constant search for knowledge that inhabits this subdomain is a driving motivator for me to join in. I'm glad I arrived at the right time. Anyway, wipes tears (not really)...
Historically, battery life has not been a strong suit for machines running Windows. Poor decisions by hardware manufacturers combined with the resource-hogging behavior of Windows are to blame. However, Microsoft is trying to resolve this issue, once again, with the release of Windows 10.
People like to cite the iPhone as the device that started the smartphone craze, but the truth is, smartphones had existed for years by the time Apple got into the game. The real groundbreaking feature that this device brought to the table was a multi-touch screen to go along with its "smart" functionality, and this is still the main method we use to interact with our devices today.
When it comes to antivirus software, you don't want some fly-by-night developer having access to the sensitive data that these apps can scan. Luckily, most of the longest-tenured antivirus companies from the realm of desktop computers offer complete security suites for Android these days.
Most mobile games have moved to an online-only format, meaning you need to be connected to the Internet in order to get any kind of multiplayer action going. This is great when you're at home on Wi-Fi, but when you're out and about, slow and inconsistent data speeds can cause serious lag. Or worse yet, you may be nearing your monthly data cap!
This how-to is for everybody who faced the problem of intercepting personal data sending through the Internet and is looking for fast and secure method to protect his activity in the global network.
Apple definitely wasn't first to the widget game, but any iPhone running iOS 8 or higher can add widgets to their Today View found via a swipe down from the top of the screen when on the home screen or in any app. There's even access to widgets on the lock screen via the same swipe down on iOS 8 and iOS 9 (on iOS 10, iOS 11, and iOS 12, all you have to do is swipe right on the lock screen).
We've all been there; waking up in the morning with a stiff, achy back. Maybe you overdid the yard work this weekend. Perhaps you were a bit too enthusiastic on the Nautilus circuit. Could be the long hours spent hunched over your computer are catching up with you. Perhaps your back pain is indicative of something more serious. Unfortunately, unless you've really injured your spine, your doctor isn't going to be much help; the best he can do is offer you pain medications and tell you to rest ...
Ask a thousand Nexus owners why they chose their device over an iPhone, and after getting an earful of Apple hate, you will likely hear a clear pattern in their responses, namely, the freedom to customize their phones.
It's the biggest day of the year for all things Google. Their developer conference, dubbed Google I/O, gives us a peak at what the guys at Mountain View have been working on over the course of the past year, and this year, Android was center stage.
Apple has released the 2nd beta of iOS 8, exactly fifteen days after the first version was unveiled at WWDC and subsequently released to developers. I've already shown you some of the new features of iOS 8, like location-based app alerts, randomized MAC addresses, hidden Safari tricks, and a slew of new things in the Messages app. But if you've had the chance the explore iOS 8, let's go through some of the changes that Apple has made to the latest iteration of its mobile operating system.
It's one hell of a device, but the Samsung Galaxy S5 is still susceptible to the many hazards that other smartphones are prone to: theft, cracked screens, poor battery life, and particularly, overheating.
There's a 2800mAh battery powering the Samsung Galaxy S5, but even it's no match for the constant day-to-day torture you put it through. Taking photos, watching videos, and playing games can make your fully charged S5 powerless in no time.
We've all been there. Stranded in a large lot or parking garage, braving the rows upon rows of identical cars in an endless concrete landscape because, for the very life of us, we can't remember where we stashed the very ride that brought us there.
Like many smartphones nowadays, your Samsung Galaxy S4 comes bundled with a headset for you to listen to music, watch videos without disturbing others, and even make phone calls. I personally only use it for music, whether it's Play Music, Pandora, or streaming from YouTube.
Netflix is more popular now than ever, but it still has a ways to go before satisfying everyone. Whether it's a lack of availability, buggy or unattractive apps, or just not being able to find anything to watch, lots of people have their complaints.
No matter what the clean freaks out there try to tell me, I still drink my Los Angeles tap water without a care in the world. I figure that I've already consumed much more heinous things in my lifetime. Street vendor "steak" burritos comes to mind.
Like most Android devices, the Nexus 7 suffers from its fair share of battery gripes. Nobody wants to see that dreaded "connect charger" warning pop up on their screen. NOBODY. Yet it probably happens to you every day nonetheless. What can you do about it besides charge, charge, and charge? Well, there's actually plenty that you can do. You can manage your notifications better, keep your screen brightness low, and kill apps running in the background. Or, you could just optimize your battery t...
Not having internet sucks! We do a ton online these days, from working, shopping, studying, and collaborating, to watching fail videos and endlessly clicking through memes.
One of the best things about the Samsung Galaxy S3 is the ability to modify the device in countless ways, as with any other Android device.
In my last article, I explained why text adventure games are some of the most Steampunk computer games out there. I even shared a free Steampunk text adventure game that I'd made myself!
Do you ever wonder how all these celebrities continue to have their private photos spread all over the internet? While celebrities' phones and computers are forever vulnerable to attacks, the common folk must also be wary. No matter how careful you think you were went you sent those "candid" photos to your ex, with a little effort and access to public information, your pictures can be snagged, too. Here's how.
Your entire life has been a lie. Mario does not hit blocks with his head, footlong subs are never really 12 inches long, and those paper ketchup cups at fast food joints aren't just little cups. And that's not the worst of it. What I'm about to tell you next is the revelation of all revelations.
Creative Commons is awesome—really. If an image, video, or audio file is tagged with a CC license, that means you can use it as long as you give appropriate credit to the owner. For bloggers with no money for pricey stock media, it's a godsend. When you license your own media under CC, you can choose how you want it to be used by others and whether or not it can be used commercially.
Jazz guitar music, in particular, is rooted in minor 7th chords and diminished 3rds; its sound is as distinctive as any in the jazz family. Advanced jazz guitarist will also need to know their 9, 11 and 13 chords as well, popular chords in Bossa Nova style jazz. In this series of instructional video lessons for advanced jazz guitarists, you’ll learn how to play these more complex chords, as well as some popular songs that use these chords, like Girl From Ipanema, Blue Bossa Nova, and Georgia ...
These days, using Reddit on your iPhone is just as good, if not better, than Redditing on a desktop browser. While there's an official Reddit app for iOS, there are plenty of third-party clients that have similar features as well as custom perks to enhance the experience. But figuring out which Reddit client is best for your daily use can be a lot of work — work that we can make easier on you.
The next big iOS version for iPad, iPhone, and iPod touch was revealed by Apple at WWDC 2018 and dropped for everyone on Sept. 17, 2018, less than a week after Apple revealed the new iPhone lineup. We've rounded up all the big picture items and secret features and changes we could find so you know exactly what to expect when updating to iOS 12 on your iPhone.
Hacking flash games is the new coolest thing these days... now hackers can be anywhere, ever expanding, all thanks to a little cheating program called Cheat Engine. Check out this video tutorial to learn how to download and install Cheat Engine to hack flash games.
Apparently, we learned nothing from Jurassic Park, as scientists are still working on bringing extinct species back to life. Until that day comes, you can interact with long-lost animals through augmented reality...if you have a newer model iPhone.
Ever since China's Nreal unveiled its Light smartglasses at CES two years ago, an army of look-alikes have emerged from the Asian nation.
Android phones finally have a true AirDrop alternative called "Nearby Share." The new feature was added through an update to the Google Play Services app that comes pre-installed on all Android devices in the US, so you don't even have to wait on a firmware upgrade — it's just there.
Smartphones are inherently bad for privacy. You've basically got a tracking device in your pocket, pinging off cell towers and locking onto GPS satellites. All the while, tracking cookies, advertising IDs, and usage stats follow you around the internet.
|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcased as a beta back in March 2019, so we've been digging around in it for several months. There's one dramatic visual change, plus there are a lot of goodies in general.
Android's settings menu is actually pretty daunting. There are options for nearly everything, so in the sea of various menus and submenus, it's easy to overlook important privacy and security settings. On Google's Pixel phones in particular, there are 20 such settings that you should double check.
If you need to hack an Android device, try a remote administration tool. Known more familiarly as a RAT, there are open-source RATs that are barebones and exorbitantly priced RATs that are more polished. There are also low-cost and polished RATs that aren't intended to be RATs at all, such as Cerberus, an anti-theft solution available right on Google Play.
A burner number isn't just for criminals and cheating spouses. In this digital world, with many of our interactions being conducted online, a throwaway phone number acts as a buffer — it lets you enjoy the web without having to give out your personal information, such as real name or phone number.
The new iOS 11 was just released by Apple, and you can install it right now. Overall, it's got some great features, but how does it fare battery-wise on your iPhone? And how can you increase daily battery life for more juice and less charging every day?