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.
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How To: Check Your Heart Rate on Any Android Phone
Samsung created quite a buzz when it debuted a built-in heart rate sensor on the Galaxy S5 back in 2014, but amazingly, not many other manufacturers decided to follow suit. It's really a shame, too, since data from a heart rate sensor would go perfectly hand in hand with the increasing fitness- and activity-tracking features that most smartphones sport these days.
How To: Bypass T-Mobile's Tethering Limit for Free
T-Mobile's "Uncarrier" initiative has done wonders for my wallet and my data usage. Before I had to deal with being throttled down to 2G speeds after passing my data limit, but thanks to their unlimited data plans, I'm free to use as much LTE data as I possibly can. The only downside is, when sharing data through a mobile hotspot (tethering), T-Mobile imposes a 5 GB limit (which was recently upped to 7 GB for some).
News: Google Just Launched a Cell Service—Here's What You Need to Know About Project Fi
Rumors have had Google making a foray into the mobile carrier world for quite some time, but today, the Mountain View tech giant finally made things official. The new service, dubbed Project Fi, will be a Mobile Virtual Network Operator, or MVNO, that uses existing Sprint and T-Mobile cell towers.
How To: Lock Your Files & Create Password-Protected Folders in Windows 7/8
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.
How To: Add a Data Traffic Meter to Your Nexus 5's Status Bar
Carriers really suck, don't they? We constantly have to monitor our data usage, even though many of us are on "unlimited" plans, which, in reality, will just be throttled to a slower 2G or 3G connection when we hit a certain download threshold.
How To: 4 Ways to Fix Your Galaxy S5’s Dysfunctional Fingerprint Scanner
There's a common bug that affects many Samsung Galaxy S5 users, myself included. The software that drives the fingerprint sensor can randomly fail to load, leaving you without one of the most unique features of your beloved smartphone.
How To: Find Out if Your Wireless Carrier Is Tracking You on Android
A shady practice in place by AT&T and Verizon Wireless—and possibly more wireless carriers—was recently uncovered. Outgoing data requests sent from devices on these service providers are being injected with a Unique Identifier Header (UIDH) that allows websites, the carriers, and potentially even government agencies to track your online activity.
How To: Make Your Android Auto-Wipe Your Data When Stolen
Losing your phone is a much bigger ordeal today than it was just 10 years ago. Our smartphones carry with them lots of sensitive data that, in the wrong hands, is capable of being used for identity theft and fraud.
How To: Painlessly Restore Apps & Settings After Flashing a New ROM
Restoring data is not always the easiest thing to do when you flash a new ROM on Android. Google can back up your contacts and Wi-Fi passwords, and various tools can back up your apps and data, but the rest is usually lost in-between ROM flashes. This leads to a lot of wasted time getting everything back into place, and it'll take a long time before your new ROM feels like "home" again.
How To: An Introduction to Steganography & Its Uses
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.
News: The Government Is Stealing Your Data from Angry Birds, Candy Crush, Facebook, & Other Mobile Apps
If you're spending hours on your phone playing games like Angry Birds and Candy Crush Saga, or posting online to Google+ and Pinterest, you're probably being spied on. The latest releases from NSA whistle blower Edward Snowden reveal that the National Security Agency, and its UK counterpart, GCHQ, are mining the ad networks utilized in these apps to collect a trove of information on you.
How to Hack Databases: The Terms & Technologies You Need to Know Before Getting Started
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.
How To: Lock Down & Prevent Android Apps from Exposing Your Privacy on a Nexus 7 Tablet (Jelly Bean 4.3)
Privacy has been a heated topic in recent months, with everyone now up in arms over unauthorized leaks and exposures. And guess what—tablet and smartphone users are just as vulnerable.
How To: Completely Back Up Your Apps & App Data on Your HTC One or Other Android Device
When you upgrade to a new Android smartphone like the HTC One, you can have browser bookmarks, Wi-Fi passwords, and other settings quickly transferred over from your old device using your Google Account backup. However, you'll still have to download apps individually from your Google Play list, and not all of your saved progress will be transferred over. Fortunately, there is a third-party app that will allow you to backup and restore your apps—with all their data.
How To: Build a custom Windows recovery disk
Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast.
How To: Tie a one-handed surgical knot
This is a great technique that ought to be mastered by all in the medical profession. It's also useful around the house when your hands are tied!
How To: Prevent prostate cancer
Prostate cancer is by no means a fun time--but preventing it can be! Want proof? Have a glass of wine!
How To: Get the basics on breast enhancement
More than 250,000 breast enhancement surgeries were performed in America last year. So what's the big deal with breast augmentation?
How To: Treat skin cancer BCC & SCC
Basal cell carcinoma and squamous cell carcinoma are the two types of non-melanoma skin cancers. Luckily, there are many options for treating them.
How To: Identify Schizophrenia
Schizophrenia is a chronic condition of frightening hallucinations and paranoid episodes. In this video, we'll look at the personality disorder of a schizophrenic, and discuss ways in which this mental illness can manifest itself.
How To: Identify common sleep disorders
Twenty-five percent of Americans suffer from a sleep disorder that keeps them tossing and turning on a regular basis. Learn more about common sleep disorders like narcolepsy, sleepwalking, and sleep apnea in this video.
How To: Diagnose and grasp generalized anxiety disorder (GAD)
GAD, or generalized anxiety disorder, is a panic disorder that can create intense stress on a day-to-day basis. In this mental health video, we'll look at understanding and living with this mental illness.
How To: Identify the symptoms of diabetes
One-third of diabetics don't know that they have the condition. How can you avoid being one of them? Check out this video!
How To: Figure out what that pain in your chest is
Are those uncomfortable pangs you're feeling in your chest just your standard after-dinner heartburn? Or is something more serious at work?
How To: Identify different types of seizures
Seizures can take a variety of forms. Learn more in this video.
How To: Identify cough-variant asthma
Did you know that some asthma-sufferers have no trouble breathing? A different variety of the disease, cough-variant asthma, is just as serious as the more common version.
How To: Understand menopause
Every woman goes through menopause, yet many don't discuss this natural time of life. Learn more in this video.
How To: Understand symptoms of menopause
Hot flashes and vaginal dryness are just the start of the symptoms you may experience as you enter menopause! What else can you expect?
How To: Identify menopause
Some women enter menopause quietly, while others want to know when it's happening. Here's how doctors may identify the change.
How To: Understand menopause and hysterectomies
When you go through menopause, you stop menstruating. And when you undergo a hysterectomy, the effect is the same. Yet menopause and hysterectomy are distinctly different.
How To: See the causes of restless leg syndrome (RLS)
Over twelve million restless legs sufferers want to know what causes the symptoms of restless leg syndrome, the sleep-depriving condition.
How To: Grasp and understand cancer
Each year, one and half million Americans will be diagnosed with some form of cancer. If you or a loved one are among them, understanding the basics of the disease can help.
How To: Find out the risk factors for cancer
Cancer doesn't discriminate, and anyone can get this disease. However, some factors can increase your likelihood of developing cancer.
How To: Test for HIV
Over 300,000 Americans who are infected with HIV don't even know it! Learn how to avoid being among them.
How To: Treat and avoid pink eye
Pink eye, or conjunctivitis as your doctor may call it, is a contagious disease that affects many college students. Blame close quarters and bad hygiene for this itchy ailment that affects the eyes. Here's how to treat and even avoid this condition.
How To: Identify a heart attack
You know you're in pain, but are you just feeling the aftershocks of that spaghetti dinner, or is it a heart attack?
How To: Identify the skin disease squamous cell carcinoma
Every year, 250,000 Americans are diagnosed with a form of skin cancer called squamous cell carcinoma. What exactly is SCC?
How To: Identify triggers of migraine headaches
If you know the triggers that bring on a migraine you can more easily sidestep experiencing one.
How To: Identify different types of heart disease
Heart disease affects more than 20 million Americans. Let's explore the various forms that heart disease can take.