How To: Security-Oriented C Tutorial 0x07 - Arrays and Strings
Welcome to another C tutorial. We will be looking at arrays, discussing what they are, when they are used and their special relationship with the char variable. Let's begin.
Welcome to another C tutorial. We will be looking at arrays, discussing what they are, when they are used and their special relationship with the char variable. Let's begin.
Well, first things firsts, it's been awhile! I'm sorry the series has been dead for a little bit, but I recently hit some personal relationship issues and needed to take some time to think. But, now that it's all said and done, the dust can settle and we can start training again!
It's no secret that exercise is good for you, but you may be surprised to know that a good workout can actually boost your memory, too. They key to giving your body and your brain muscles a good workout is by adding more weight and pushing hard for an extra 20 minutes.
Welcome back, my tenderfoot hackers! Now that we have begun this trip down web app hacking lane, we need to first address target reconnaissance. Like any hack, reconnaissance is critical. (Are you tired of me saying that yet?)
Holidays are a time for good food and good drink, but more often than not, we substitute good drink for, well, cheap drink. However, cheap wine doesn't have to be bad.
This is evil and it destroys people. Let's just get that out of the way. Nonetheless, suppose you need to make someone distrust their own memory and perception of reality. Suppose you want someone to believe in you more than they believe in themselves.
Phantom phone vibrations. You might feel them in the pocket of your jeans, or when your handbag is on your shoulder—even when you're holding your phone in your hand. When you do, you immediately wake it up to see who texted or what app just had an update—but there are no alerts.
Welcome back, my aspiring hackers! In previous tutorials, I have shown you how to scan the globe for vulnerable servers and write simple scripts in BASH and Perl to perform other reconnaissance tasks. In a very recent guide, I taught how to scan vulnerable servers for Heartbleed.
Finding love is tough. Movies like The Notebook and Twilight have ruined the expectations of love and relationships for us guys. Some women's ideal love situation is being kissed by a glittery sparkling vampire. "I know we only met a few seconds ago, but I'm deeply in love with you."
A Steampunk's Guide to Sex was the subject of a recent successful Kickstarter campaign, and I now hold the finished book in my hands. As such, I can say (mostly) unreservedly that you should buy this book. Allow me to tell you why, before I get into the nitty-gritty about the book itself. Sex is something of an odd topic in America because it's perfectly legal, and yet taboo. Unlike things that are illegal and not taboo, like drug use, murder, theft, etc. What this means is that children can ...
For the vast majority of people, coffee is a must-have in the morning. It provides a stimulating effect that not only wakes you up, but sets your mood and attitude for the rest of the day. Personally, I wouldn't get anything done without coffee.
The Braun immersion blender is cheap yet powerful. It is strong enough to crush ice, frozen fruit, nuts, vegetables, etc. and is typically used to make smoothies. Watch this how to video to learn how to make an ice cream and banana smoothie with a hand held blender.
With the global COVID-19 pandemic preventing Pokémon GO players from venturing into the real world, developer Niantic has adapted the game for trainers to play in a socially-distanced manner.
The "what (blank) are you" augmented reality filters on Instagram have become so popular that more and more Hollywood giants are following the augmented reality-powered social media meme train, with the latest example coming via Snapchat.
When Google introduced the Call Screen feature with the Pixel 3, I had never been more excited to get a Pixel device. This AI feature provided real protection against rising spam and robocalls, which billions of people deal with each year. After a recent update to the feature, you can reduce robocalls and other spam calls to nearly zero.
Black Desert Mobile is one of the hottest new smartphone games around, but there seems to be something missing in the frame rate department. Gamers quickly noticed many Android phones are stuck on a 30 FPS cap when it comes to performance. It's not that the phones are too weak to handle higher frame rates, but that there is a particular list of approved devices that can achieve this.
I'm a new parent and I just moved into a new home. The first thing I wanted to do was ensure my toddler's safety in his new digs. That meant buying a bunch of baby-proofing products from Amazon, realizing most were junk, then buying some more until I found solutions for all my needs.
Since the release of iOS 13.3 beta 3 on Nov. 20, Apple has remained silent on new beta updates. That's likely because there was a holiday the following week, and then all of the major shopping events after that. But now, it's back in the game, and on Thursday, Dec. 5, Apple pushed out iOS 13.3 developer beta 4 and public beta 4.
We're finally back in the swing of things. For the first 26 days after the release of iOS 13.2, which introduced 22 new features and changes to the iOS 13 era, there wasn't a new beta. Then, Apple released iOS 13.3 developer beta 1, and now we seem to be back on schedule, as Apple just released 13.3 beta 2 to developers.
Former soccer star and current celebrity David Beckham has the augmented reality abilities of Facebook and Instagram as allies in the effort to eradicate malaria from the world.
You may not want to disable notifications for the Mail app entirely on your iPhone since you could miss essential emails when they come in. But you can at least silence conversation threads on an individual basis. Doing so won't mute all conversations from the same sender, only the thread you select. Plus, it works for group email threads where things can get chaotic.
So you've been using iOS 13 for a little while and noticed your iPhone is pretty slow to charge. Using the 5-watt power adapter out of the box, in the time it used to take your iPhone to charge its battery to 100 percent, your iPhone is stuck at 80% or below instead. That's because Apple introduced a new feature in iOS 13 that slows down charging — but for a good reason.
An iPhone's display can get seriously bright, whether LCD or OLED. When you're in bed at night or in a dark room where you don't want to disturb others visually, the brightness is even more noticeable. But there are a few built-in ways in iOS to reduce brightness below the default levels for less eye strain and other reasons.
The annual Augmented World Expo (AWE) typically packs the front page of Next Reality with new products and services from companies in the augmented reality industry.
The ability for apps and devices to determine the precise location of physical and virtual objects in space is a key component of augmented reality experiences, and the latest advancements in Bluetooth technology may have a hand in facilitating such location services in the near future.
Unlike past Pixel releases, it appears Google isn't done with their current lineup. Rumors have it that Google plans to put out two new phones that act as budget variants for their existing devices. And based on the leaks, it looks like one of these variants might be better than its non-budget counterpart.
The release of Avatar Chat for Magic Leap One and Spatial for HoloLens during the fourth quarter of 2018 appeared to revolutionize video calling via augmented reality.
You might think you need to buy a thousand dollar phone to get a great experience while streaming movies and TV shows from services like Netflix, Hulu, and YouTube, but that's just not true anymore. While phone prices keep rising and the midrange segment now ranges from $300–$500, there are still cost-effective options that come with top-notch displays and media features.
Who doesn't love a refresh? Samsung's upcoming One UI makes it easier to use your device with one hand and adds a fresh coat of paint to the formally "Samsung Experience" skin. While you're probably looking forward to installing One UI on your phone, not all Galaxies are equal — your device could be one of the first to receive the update, or it could never see One UI at all.
With the same starting price as its predecessor and a nice list of improvements, the OnePlus 6T is a great buy for a number of reasons. But for many Android users, the main selling point for the latest OnePlus flagship is how easy it will be to root and mod the device.
Snapchat is joining the ranks of Netflix, Hulu, Amazon, YouTube, and Apple in the trend toward streaming original programming, but with a twist that rings true to its roots.
Google and Apple are working to enable augmented reality content for the web, but startup 8th Wall has managed to launch a web AR platform that works on mobile browsers now.
Samsung makes more than just the Galaxy S and Note series. With a large portion of the world not able to afford phones with flagship specs, Samsung makes several different series that focus on price. The latest is the Galaxy A6, a budget option with a flagship feature.
With every new Android update, hidden features are lurking under the surface. Google hides these options to prevent unnecessary tinkering by average users, leaving them in place for power users to discover. These secrets range from silly to really useful, with the latter opening up new ways to manage your phone.
Sometimes we need to share screenshots, but don't want to reveal the entire screen. This usually requires some editing that isn't typically easy to do on a smartphone. BlackBerry recognized this issue and created a tool called Redactor that makes it easy to hide your data before sharing.
To quote MKBHD, cheap phones are getting good. Each year we are seeing manufacturers start to offer more for much less. This not only translates to cheaper flagship phones, but better budget phones. The latest example of this is the Alcatel 3V, which is redefining what you can get at $150.
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.
With the change to a glass back, many of us are concerned about the durability of OnePlus 6. While glass does offer some benefits such as lighter weight, without proper reinforcement, it can easily shatter in one drop. Now we have our our first look at its durability thanks to JerryRigEverything.
If you've unlocked your iPhone lately and noticed some apps aren't fully installed anymore, you're not alone. After updating my device recently to a newer version of iOS 11, I didn't immediately understand what caused a few of my games to uninstall themselves. It turns out, there's a simple setting that explains what's going on.
Many Samsung fans were excited when the Galaxy S9 kept the 3.5 mm headphone jack. While this is a rare delight in 2018, you also have the option for high quality audio playback over Bluetooth. When used with compatible headphones, the S9's new Bluetooth audio codecs can greatly improve audio quality.