Technical Pointers Search Results

How To: Security-Oriented C Tutorial 0x11 - Command Line Arguments

In many programs on Linux, you'll come across programs which allow you to specify additional arguments instead of just simply running the program by itself. If you've used the Kali distribution, I'm more than certain you'll have come across these with the command line tools, else if you have been following these tutorials, we have already come across three tools which also use the same technique, i.e. gcc, gdb and wc. How do we do this with C? Let's find out.

How To: Security-Oriented C Tutorial 0x0B - User Input

Hey readers! This tutorial will be the entry point for the introduction of buffer overflows. Something like requesting user input is a very common place for vulnerabilities to pop up and we will definitely have fun while trying to make programs crash. But for now, let's start with how we can get input from a user.

News: How to Hail a Ride in Uber's Official Windows 10 App

Windows 10 universal apps are actually pretty awesome—regardless of if you're using a desktop, laptop, tablet, or convertible, the same app automatically scales up or down to suit your device. Definitely cool, but the Windows Store is pretty bare-bones as it stands, so the downside is that you can't always find a good universal app for every purpose.

How To: Replace Your Kindle's Broken E Ink Display Yourself

The reason Amazon's Kindle has become so popular over the past several years is due to the amount of digital books one can fit inside—over 1,000 for the smallest Kindle. Gone are the days of lugging around heavy books to school and the airport. Instead we can fit our e-readers snugly inside our bags and never worry about forgetting a book.

How To: Flute a ceramic jar

Simon Leach teaches the easy way on how to flute a ceramic jar! Using the axel blade, you can make a simple straight down flute on the jar. Keep it going straight and make it as smooth as possible as you move around the jar. You can also make a flute on the lid of the jar if you prefer, but notably, less is more. Follow these pointers and you'll make a perfect flute for your jar!

How To: Flash and dump the XBox 360 LiteOn 93450c disc drive

Performing a proper dump and flash on an XBox 360 disc drive should not be attempted by those without advanced technical knowledge, including how to solder and work with computer hardware. If you want to though, you could not hope for a much better set of instructions than this. This three-part video series will show you, in painstaking detail, how to dump and flash the LiteOn 93450c and 93950c disc drives used in some XBox 360's. Be very careful when following these instructions and you will...

How To: Find a tennis grip

Welcome to a tennis lesson from FuzzyYellowBalls, the the best place to learn how to play tennis online. Our free video tennis lessons teach you how to play the game in a new way that combines technical analysis, visual learning, and step-by-step progressions.

How To: Employ the tennis footwork ready position

The ready position is the position you want to be in when you're waiting for your opponent to hit you the tennis ball. It's the foundation for tennis movement in general. From this position you can employ the various footwork patterns that let you move around the tennis court correctly. The ready position is very similar to an athletic stance in basketball. Your feet are a little bit wider than shoulder-width apart, your knees are slightly bent and the weight should be on the balls of your feet.

How To: Use proper footwork in tennis

Footwork is probably the most important part of tennis. Unfortunately, it is also one of the most underrated areas of the sport. Learning to move around the tennis court correctly is EXTREMELY important. Correct footwork lets you use correct stroke mechanics when you hit. Correct footwork is what typically sets advanced tennis players apart from everyone else.

Use tennis footwork move: back foot up

Bringing your back foot up after you hit the tennis ball puts you in position to recover back to the middle of the tennis court. The key, as we explain in this video, is to get your body facing the net after you hit (similar to the ready position). This will let you side shuffle back to the middle of the tennis court.

How To: Use shoulder rotation on a windshield wiper forehand

This video explains how the amount of shoulder rotation you get during a windshield wiper forehand can differ from a classic forehand. After you hit the tennis ball, you typically have to rotate a little bit more than you otherwise would on the windshield wiper. There are a number of reasons for this, but in this video we keep our focus relatively narrow.

Do tennis forehand stances: the Open, Neutral & Closed

Every time you hit a tennis forehand you choose how you position your feet -- what stance you will use. You can hit a forehand with an open, neutral, or closed stance, but you should stay away from the closed stance if possible. This last stance makes it difficult to rotate your upper body through contact, making it difficult for you to use correct forehand mechanics.

How To: Install hardwood floor on concrete

This video shows you how to install a hardwood floor over concrete. You will need a plywood base. This video demonstrates the nail down method. You will need 15 nails per 8 feet by 4 feet sheet; plan according. The entire process is very easy and gives you easy steps to follow. The demonstrator gives some good pointers that might help you avoid any serious mistakes. The flooring installed will be suitable for solid flooring or multiply engineered flooring with a heavy wear layer. This is a ve...

How To: Set your mouse cursor to leave a trail on screen

See how you can make your mouse cursor leave a trail behind it. First, go to "Start" and then "Control Panel". Then go to "Printers" and "Other Hardware" and then "Mouse". A new window should pop up and you should go click on the "Pointer Options" and then select the length of the trail you want your cursor to leave behind. It's easy to set your mouse cursor to leave a trail on your computer screen.

How To: Make your own animated flip book

Why make a flip book? Because all animation – even stick-figure Flash animation and multilayered, highly technical 3-D effects – is built on, and can benefit from, the basics of the craft first developed by artists working at the beginning of the last century. And while fancy computer programs are nice, you can teach yourself these basics using nothing more than a pad of paper and a pen, and replay them over and over without any extra technology needed.

Exploit Development: How to Learn Binary Exploitation with Protostar

Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the lowest level. This is referred to as binary exploitation, and today we're going to check out a tool known as Protostar.