How To: Security-Oriented C Tutorial 0x03 - Bits, Bytes, Broken?
Hey there, reader! In this tutorial we are going to explain how values are stored in variables as either signed or unsigned. Try to not get lost!
Hey there, reader! In this tutorial we are going to explain how values are stored in variables as either signed or unsigned. Try to not get lost!
Pain is, for the most part, unavoidable when you stub your toe, break your arm, or cut your finger open. It's instantaneous and, in some cases, long-lasting, but it only feels as bad as you want it to. Yes, that's right—that pain is all in your head.
Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimate the undead flesh of your deceased batteries and create a zombie battery.
The food TV chefs prepare make our mouths water. From one scrumptious creation to another, they fly through preparation without frustration or error. They make us think we can do the same with similar ease and delectable, picture-perfect results. Some of us have noticed, though, that these TV chefs don't always adhere to the same safe food handling guidelines we've been taught to follow.
One tweet can get your fired from your job. At least, in the cases of Gilbert Gottfried, Rashard Mendenhall, Ozzie Guillen, and Mike Bacsik, who were all either fired or forced to resign from their jobs after posting regrettable tweets online.
Your scary thoughts create negative feelings just like a witch offering a poison apple, and your front door will look so tempting with this poisoned Halloween wreath! Check out my video below for how to make this forbidden fruit Halloween wreath. You'll need a wreath, a witch hand (or any old hand and green spray paint), poisoned app (foam shape and red spray paint), and baby green fake apples.
If you can't do single pull-up, this video walks you through from negative chin-ups to the first actual, reall pull-up and more.
In the following video, I demonstrate how to create a device capable of charging the body of anyone who wears it with static electricity, allowing a powerful shock to be discharged into anything that is touched. This grants the wearer the ability to do some pretty amazing things, some of which are shown in the first segment of the video.
Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The triggers for this boundary could be as simple as a pressure sensor, or as complicated as a laser network. They all do the same thing, but some work better than others.
In this video, we learn how to remove the dashboard and wheel to replace bulbs. First, remove the negative battery cable, then remove the steering wheel. Next, remove the cluster bezel, with Phillips head screwdrivers for the screws. Pull back on the bezel and remove the clips from the bottom by prying it apart. Remove the cluster next, followed by the top piece of the steering wheel joint. Once this is removed, you will be able to slide the cluster out and squeeze the cables to remove it. Fr...
Put down that cigarette and save yourself your money (and even your life) with The Swish Pattern method! This can even be adapted to learn how to quit any of those bad habits like biting your nails or even be used to shed a few pounds. You first visualize yourself and what you do when before you indulge in your bad habit (called the queue image). Then you think about yourself free of that habit and how you wish you could be. Now when you get the urge to smoke/eat/etc... Make the ideal image "...
In this video the tutor shows how to use the Mac Speech Dictate with the built-in mic. Mac Speech Dictate is a program that you talk to and it writes for you. Its a dictation tool to which you can dictate and the application writes for you. The negative part about it is that it does not support built in microphone. This video shows how to make it change and work with the built in mic. To do this other than the MacSpeech dictate you will need the Soundflower tool. Soundflower is a really small...
So, your children have the same old boring Fisher-Price Power Wheels that all the other kids on the block have. Do you really want your child to be like all of the rest? No, I didn't think so. Turn those miniature Power Wheels, Dumar or Peg Perego vehicles into a little bit of realism, if you can handle it. All it takes is a little modification and you'll be wishing you were five again. With a few simple hacks, your son and daughter will be burning rubber, jumping curbs and burying those othe...
Jamie Smart from Salad Ltd demonstrating eye accessing cues and gestures. This is a great tool for helping people work out how they are dealing with certain issues. Is it an image, sound or feeling? Are they remembering something or constructing something? Once you've figured that part out you can move on to tackle the problem. For example is someone using internal dialogue for good or to beat themselves up? Are they constructing negative images that are holding them back? Taken from Salad's ...
Noted analyst Gene Munster is predicting that Apple's initial entry into the augmented reality wearables category will be a year later than previous reports have estimated.
Results of an early-stage clinical trial of an HIV vaccine could mean a hoped-for breakthrough in the battle against AIDS.
You seriously won't even recognize Twitter after this. Twitter has launched a major redesign, their first in years and it seems the app is finally starting to listen to what users are looking for — starting to being the keywords.
Samsung has been on a tear with its flagship devices since the release of the Galaxy S6; The S6 edge, the Note 5, and this year's Galaxy S7 models have all been met with universal acclaim, and even the staunchest of critics have almost nothing negative to say. Almost.
If you're ever lost or hurt out in the middle of nowhere with a dead cell phone, you might be able to "flag" down help as long as you're near some railroad tracks.
As is the case with most software updates, Android 5.0 brought changes that were viewed by users as somewhat positive and somewhat negative. This generally happens because we're accustomed to the old way of doing things, and changes, no matter how useful, can slow us down.
Many Nexus 6 owners, myself included, have already started to experience the dreaded burn-in issues that often come with AMOLED display technology. These displays are different than your typical LCD screen in that each pixel emits its own light instead of using a backlight, so this leaves AMOLED screens more susceptible to issues with dim or unresponsive pixels.
"What is dead may never die." That's easily one of the best lines (and episode title) from HBO's Game of Thrones series. While the saying may ring true for the Ironborn, it's not quite as catchy when it comes to batteries.
What's a penny worth these days? Not much. But could there be some free energy hidden inside your spare pennies? You'd be surprised! See how I hack together stacks of pennies into makeshift batteries that can drive small-current devices like LEDs and calculators.
Redneck Productions teaches viewers how to clean silver and coins. This shows you how to clean coins with electricity! This process is good because you do not have to rub or scratch your coins and silver in the process. First you will need to get a battery (AA) and wire. Connect the battery and wire with the wire connected to each side of the battery. Next, you will need to get a plastic Tupperware dish. In this dish mix the solution of equal parts baking soda and Iodized salt and mix this in...
If you think that card counting is only a thing in the movies then think again. You too can try a couple of methods to help you count cards. Like anything, the more you work on it the better you will be.
If you want to learn how to get and graph the slope of a line using two points, you should watch this. 1. Let your two points be (x1 , y1) and (x2 , y2). Draw a straight line that connects the two points. 2. Use the formula, m = change in y over change in x , for finding the slope which is represented by the variable m. 3. The simpler form of the formula would be m = (y1 - y2) / (x1 - x2). 4. If you were given two points, just substitute the values in the given formula. 5. For example, the tw...
If you just got some banging new subs for the trunk of your car, then you're just about ready for the ultimate car stereo. But what kind of amp are you going to get to power those subwoofer speakers? Learn about the basics of car amplifiers in this video from Sonic Electronix, where they discusses the purpose of a car amplifier, as well as the parts of the amplifier. This includes the terminals, adjustments, types of amplifiers, and amplifier channels. Before putting together your first after...
One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple maintenance on your automobile, but you may need a few tools. Invest in the basic tools and you'll be prepared for just about any car malfunction you can think of. These tutorials will help get you on your way, as long ...
If you made a resolution for 2020 to get healthier, it's essential to concentrate on your mental health just as much as you do on physical fitness. Running and exercising is great, but a sound mind is integral to a healthy and balanced life, and you can improve your emotional and physiological well-being with your smartphone.
The signal bars in your iPhone's status bar are great visual indicators for knowing how good your cellular reception is, but they're not very accurate. Instead of showing the actual amount of signal you're receiving, they just give you a general range, and you'll have no idea if three out of four bars is actually a good connection or not. But there is a trick to see the real numbers.
When you think about it, isn't life just one big open-world RPG just begging to be conquered? We all have a set number of specific tasks or chores we must complete every single day like clockwork. Sometimes, these items on our to-do list can become tedious and cause us to lose motivation. What if you could take those tasks and turn them into something awesome instead? Now you can.
Sometimes the best way to hide things is in plain sight. Whether you're trying to sneak some medication past security at a concert with a zero-tolerance policy, or you're just worried that maybe Omar comin', YouTuber MrGear has a clever way to put your mind at ease.
Super Bowl Sunday is just around the corner. With 111.5 million viewers tuning in last year (112.6 if you count streaming), which broke another record that it previously set for the most-watched television event in U.S. history, it's safe to say that most of us will be watching Super Bowl XLIX on February 1st, 2015, whether via TV, web, or mobile.
Being the bearer of bad news is unpleasant; there's nothing more uncomfortable than offering up a spoonful of negativity. Whether you're a supervisor who spends a lot of time interviewing and rejecting candidates, or simply someone who has to say "no" to a friend, it's never fun to break bad news. But sharing unpleasant words or feedback with another person can become less of a burden with a few simple steps.
What is Programming? Why need to learn? How to get started? Which language to choose? While surfing web, you must be encountering various softwares, games, etc. and might be thinking to make one, but don't know where to start. Here, I am starting series in Programming.
It's not hard to let the new SARS-CoV-2 strain of coronavirus put pressure on our minds. Fear of catching COVID-19 is never far from the topic of conversation. But it doesn't have to be that way. If you're struggling with anxiety, stress, depression, or any negative emotions due to the virus's effect on our lives right now, you might find some solace in meditation.
The words of three of tech's most important executives in the last 48 hours are providing some valuable insight into the near term future of augmented reality and the cloud infrastructures that support it.
Magic Leap CEO Rony Abovitz doesn't engage in tweetstorms often, but when he does, those tweets are bold, exceedingly confident, and there's usually a strong takeaway regarding what the company is or isn't doing. But on Thursday, Abovitz's latest tweetstorm sent an unusually flustered message: We promise, the magic we're telling you about it better than anything you've seen on video.
Think of the coolest, most unique way to create art that you can. Got it? Now think about creating that art out of living things.
Six people have died from fungal infections in Pittsburgh hospitals since 2014—that fact is indisputable. The rest of the situation is much vaguer. A lawsuit has been filed against the hospitals on behalf of some of the deceased patients, alleging that moldy hospital linens are to blame. While the lawyers argue over who's at fault, let's look at how this could have happened.