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.
Technology has progressed by leaps and bounds and has blessed people in a number of ways, but at the same time, it has troubled them also. Computers are now used in every aspect of life. No matter if you are a businessman, an employee, a student, or even a housewife, a computer can assist you in your routine work. You save your personal information, documents, and other similar sensitive stuff on your computer that can hurt you if they get compromised.
You encounter this problem many times, when you plug your flash drive, and suddenly you find that all your data has become shortcuts everywhere!!!
Hello guys, today I wanna share how to create a drag and drop with listbox using VB.net. Just copy and paste the following code under public class.
Even with the highest-tiered data plan available, there are times that your phone or your carrier might downgrade your connection to 3G or even lower. This usually occurs when you've made a phone call, or you've switched cell towers while traveling.
For any multitude of reasons, some apps require you to be connected to Wi-Fi in order to function properly. This could be because they would rather you have a stable connection to enjoy their content, or that they don't want users complaining about the amount of data being guzzled from carrier data plans.
It has been a long while since I last came here to write an article. Graduate school keeps you busy. After I looked over what I had written previously, I decided that I should introduce another fun topic from cryptography. In this case, steganography.
Welcome back, my greenhorn hackers!
The in-fighting between the major US carriers just got a little more interesting. In July of last year, T-Mobile introduced their JUMP! plan, letting customers upgrade their devices after just six months, up to twice a year. Buy a device, split up the price into monthly payments, and pay an additional $10/month to enroll in the service.
The sensors in your mobile device are integral for gaming (try to beat my Temple Run 2 score), as well as many of the basic Galaxy S3 features like Smart Stay and other fancy additions. But sometimes those sensors can become overly sensitive or just downright unusable.
One of the biggest problems in data security is authentication of data and its source. How can Alice be certain that the executable in her inbox is from the venerable Bob, and not from the not-so-venerable Oscar? Clearly Alice wants to know because if this file is actually sent to her by Oscar, the file might not be a game, but a trojan that can do anything on her computer such as sift through her email and passwords, upload her honeymoon pictures, or even turn on microphones and webcams. Thi...
Welcome back, my hacker apprentices! Although there is a multitude of different hacker types, the one target they all share is the database. I often refer to the database as the hacker's Holy Grail, or the ultimate prize for an effective hack.
Whether you're pressed against your bedroom window, hidden deep inside your linen closet, or lounging on the rooftop, finding that area of maximum Internet speed around your house is usually just trial and error. And when you finally find the sweet spot, apps like Speedtest.net can help you determine how fast your Wi-Fi or cellular connection is overall on your computer or smartphone, so you know your full capabilities. But, if you want to know exactly how fast your Samsung Galaxy Note 2 is u...
We've talked before about EXIF data—or metadata—attached to photos and how it can expose information about your location, what type of device you're using, and even the device or camera's unique identification number.
While putting content and information online gets easier every day, it seems like getting it back is only getting harder. In a lot of cases (we're looking at you, Facebook), once you upload something, it's forever in the hands of someone else. That's where The Data Liberation Front comes in. Believe it or not, The Data Liberation Front is a team of Google engineers who work to make it easier for users to take their stuff back whenever they feel like it.
If you want to clear up some extra space in iCloud with iOS 5, take a look at this guide to learn how to manage your data on an iPad or iPhone running the service. You will need to access the iCloud panel under "Settings" to do so.
There are several methods in this guide that will help you earn the Boost Defense and Goalkeeper accomplishments in Fifa 12. Be sure not to change the formation of the BYA boosting team during step 3, otherwise the team data will become corrupt. This may be resolved in the future.
If you want to keep listening to music on your Android smartphone or tablet using the Spotify app, take a look at this video guide from Cnet on how to use Spotify in offline mode. This will let you keep listening to music while in an elevator or when you lose a data connection.
If your phone won't boot or you need to dig deeper into the Android operating system on your Motorola Droid Bionic, this tutorial on booting the Bionic into recovery mode should help you out. Just be careful, because a factory reset on the Verizon Wireless smartphone will cause you to lose all of your data.
If you were one of the lucky individuals to score a TouchPad before HP discountinued them, you will need to proceed through the initial setup wizard when you turn on the device for the first time, or after performing a data wipe and reset on the tablet. This guide will walk you through everything from accepting the terms & conditions, connecting to a Wi-Fi network, and creating a webOS account for the first time.
The Newstweek might be the coolest new device of 2011 that no one is talking about. It's a pocket-sized device that allows you to access the data streaming through a wireless internet access point and change the news being read by fellow users at the hotspot, from any site, however you want. It allows you to do some amazingly inspiring and sinister things, like any really progressive technology, and this video will show you how to use it.
This half-hour episode of Hak5 covers several topics: Using a DSLR camera to create HD footage, building your own Google TV, unlocking & copying locked files with Lock Hunter, using PicPick for screen capture, using WinDirStat for analyzing & cleaning your hard drive, setting up a secure FTP server with Ubuntu Server, and secretly copying data from USB drives with USB Dumper.
In this clip, you'll learn how to extract serial data from the $80 Mattel Mindflex or Star Wars Force Trainer. For more information, including detailed, step-by-step instructions, and to get started creating your own working EEG/BCI, watch this very-neat hacker's how-to.
Want to know how to synch information between your BlackBerry smartphone and your computer? Connect your BlackBerry to your computer with a USB cable and launch BlackBerry Desktop Manager. Configure to taste, then click Next. For a complete video overview of the process, watch this BlackBerry owner's guide.
In this clip, learn how to use the Swype Key while texting with Swype on your cell phone. The Swype key is where all of your options are like dictionaries, tips and tricks, help menus and everything else you may need.
In this tutorial, learn how to access your phone's data network to enable free tethering on your new HTC EVO 4G. By tethering with your EVO you can connect up to eight other devices to your phone and use it as a wireless modem. This hack works with any EVO and will allow you to connect regardless of whether your city offers 3G or 4G signals.
A step-by-step guide that will walk you through Mail Merge on a Mac computer. You will gain how to prep and print envelopes, letters or any document that you need to send to different names and addresses on each item. You can pull the data from your address book or from a Numbers Spreadsheet and will see how to modify and merge the information you will need to successfully set up your documents.
If you have a circular or semicircular protractor like the one used in this video, making a pie chart is as easy as – well — pie. This will teach you how to use your protractor to measure out each individual slice in your pie chart. Learn how to visualize statistical data through hand-drawn pie charts with this free video math lesson.
Whether you're new to Adobe Photoshop or a seasoned graphic design professional after a general overview of CS5's most vital new features, you're sure to be well served by this official video tutorial from the folks at Adobe TV. In it, you'll learn how to automatically correct lens distortions and fix chromatic aberration and vignetting with Photoshop CS5 and Photoshop CS5 Extended, which use an image file’s EXIF data to make precise adjustments based on the type of camera and lens you used.
Check out this video tutorial to show you how to use a Marantz digital audio recorder. This video was made by the equipment room at CUNY Journalism School in New York.
Last weekend, some unlucky Gmail users inadvertently had their email accounts wiped out. Actually, it was 0.02 percent of all Gmail users—or roughly 40,000 of the 200 million who use the email service, due to an "unexpected bug" which affected copies of the data. Gmail does make backup files of everything, so eventually everyone will reclaim their email history. In fact, as of yesterday, Google has successfully restored all information from their backup tapes and has started returning everyon...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 713th installment in their series of digital spreadsheet magic tricks, you'll learn how to count the max number of items in succession in a column of data using the FREQUENCY, IF, MAX and ROW functions.
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 608th installment in their series of digital spreadsheet magic tricks, you'll learn how to to create an expanding data validation drop-down list from table with duplicates using a number of different tricks.
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 644th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a recorded macro that uses formulas to rearrange a proper data set to one listed in a column.
In this Software video tutorial you will learn how to make a basic bar graph in Microsoft Excel. You will also learn how to give your chart a title and how to label the axes. First you put in all your data in to an Excel spreadsheet. Then you highlight the data you want to put in your graph, select the 'insert' tab, then' column' and choose the basic column chart. Next you select the title tab, go to option and choose new title. Now you add the title to the graph. To label the axes, go on top...
There are 10 major ways to protect your PC. Disable Autorun, in Windows. Make sure that your system is up to date, by setting automatic updates. Always use a log on for your computer that does not have administrative privileges. Use different passwords, and change your passwords on a regular basis. Don't use simple passwords. Be careful of using links sent to you via email. Never disclose your sensitive information in public forums: e.g. social networks. Encrypt sensitive data on your compute...
In this video tutorial, viewers learn how to reveal hidden MySpace profile content using Mozilla Firefox. Begin by clicking on View, go to Page Style and select No Style. This will take out all the styles that are applied on the page, and reveal all of it's data. Now users will be able to view the specific content on the profile page such as friends and page comments. This video will benefit those viewers who use both MySpace and Firefox Mozilla, and would like to learn how to access hidden M...
In this software video tutorial you will learn how to use Form Tracker in Adobe Acrobat 9 Pro. The forms tracker window can be opened by clicking on the 'forms' on the toolbar, or 'forms' in the menu bar or, if Acrobat is not open, by double clicking on the notification button in the tray. Here you are taken to the latest update category. On the left hand side, you will find the response file location. Check its status; whether it is active or not by clicking on 'view responses'. This will gi...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 532nd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AVERAGE, STDEV, MAX, MIN and SUM function to add statistical data. Specifically, this video lesson discusses how to sum and average evidence in an age discrimination case.
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 ExcelsFun, the 34th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use MEAN, MEDIAN, MODE. These measures give us a typical value, a measure of central tendency one value that can repr...