Concepts Search Results

News: How to Study for the White Hat Hacker Associate Certification (CWA)

Since I first announced the new Null Byte recognition for excellence a few weeks ago, several of you have written me asking, "How can I study for this certification exam, and what material will be covered on the exam?" Now I have an answer for you. The White Hat Hacker Associate (CWA) will cover 14 domains or areas. Everything you need to know is here on Null Byte. There will be no questions that are not covered here on this site, guaranteed.

How To: Solve the circumference of a circle using a cookie

In this video the instructor shows you the diameter, radius and also how to find the circumference of a circle using a cookie as an example. When you draw a line against the cookie passing through its center and touching its boundaries, it is a diameter of the circle. Radius of a circle is half the diameter of the circle. The length of the circle along the border of the circle is called circumference of the circle. The formula to compute the circumference of a circle is 2 * Pi * r, where r is...

How To: Social Engineering - Total Guide

Good day to everyone, today I will present some basic and advanced concepts that targets sophisticated attacks on the social basis, also I will write about some steps that can prevent this attacks from occuring, basically we will examine Social Engineering from the angle of attacker and victim, some people who are interested in security and work for middle-sized companys can learn and use something interesting from this post.

How To: Take basic photos in daylight

While achieve beautiful images shooting with ample amounts of natural daylight can be done with little work, if you're willing to invest a just a small amount of additional effort, you can achieve shots to rival those of any professional photographer. This free video photography lesson, which discusses concepts like exposure balancing, will walk you through how to take beautiful daytime shots.

How To: Use the features of the CDJ-400 mixer

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how to use some of the features of the CDJ-400 mixer. Watch this DJ tutorial so you can learn a few of the features on the CDJ-400 mixer.

How To: Review for North American Veterinary Licensing Exam

Before obtaining the permission to practice as a veterinarian, all veterinary students must pass the North American Veterinary Licensing Examination, or NALVE. This video animal medical tutorial covers a lot of the basic concepts of anesthesia, including equipment and drugs, on both small and large animals that were taught in veterinary school and would be tested in the final examination. Learn how to review anesthetic procedure and prepare for the North American Veterinary Licensing Exam by ...

How To: Tell a number story in American sign language

One of the fun and special traditions enjoyed and shared by the Deaf Community is signing stories using number or alphabet hand shapes. In these stories, various hand shapes do not stand for the numbers and letters themselves, but are used as signs or gestures to convey concepts. They are signed in alphabetical or numerical order, and used in amazing ways to sign or act out a story.

How To: Tell an American sign language abc story

One of the fun and special traditions enjoyed and shared by the deaf community is signing stories using number or alphabet hand shapes. In these stories, various hand shapes do not stand for the numbers and letters themselves, but are used as signs or gestures to convey concepts. They are signed in alphabetical or numerical order, and used in amazing ways to sign or act out a story.

Have You Seen This?: HoloTerrain Lets HoloLens Users Explore the Earth in 3D

After what appeared to be an issue with the Windows Store for HoloLens not showing many newer applications, including one that I had released over a month ago, Microsoft finally squashed the bug. So, at first glance, it would seem as if there were lots of new HoloLens projects that just appeared in the store, even though they've likely been hiding out there for a while. HoloTerrain is one of those apps.

How To: Advanced Cryptography - Total Guide

Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there is just basics, today we will see something that targets wide concepts like Symmetric crypto, Public Key Cryptography, Hashing, Keys etc...

Hack Like a Pro: Cryptography Basics for the Aspiring Hacker

Welcome back, my rookie hackers! As hackers, we are often faced with the hurdle of cryptography and encryption. In some cases, we use it to hide our actions and messages. Many applications and protocols use encryption to maintain confidentiality and integrity of data. To be able to crack passwords and encrypted protocols such as SSL and wireless, you need to at least be familiar with the concepts and terminology of cryptography and encryption.

How To: Attack on Stack [Part 1]; Smash the Stack Visualization: Introduction to Memory, Registers and Assembly.

Hi everyone. Recently I've been studying some topics about Assembly, memory and exploitation, and thought I could write something nice, easy and fast about it, just because I like to share what I learn, and probably sharing what you learn and trying to explain it to a stranger is the best way to learn it better. It worked for me, and I hope it will be useful for you too.

How to Train Your Python: Part 9, Basics of Error Detection and Handling

Welcome back! In the last iteration of how to train your python, we covered loops, today we'll be covering something that I wish I had learned about much earlier in my scripting career, errors. We all run into them, and they can be frustrating, but there is also a silver lining to them. Today, we'll be discussing why some errors are unavoidable, and what we can do when we run into them. Also, this article will be more of a concept and less of writing actual code, but the information is equall...

How To: Understand and work with rational & irrational numbers

In this video the instructor explains the concepts of rational and irrational numbers. Multiplying a number by itself gives the value of its square. If you apply the square root to that squared number it returns to you the original number. This square root is also called a radical. A square root of a positive number can have two values. For example the square root of 81 is either 9 or -9; this is because when you multiply 9 with itself the square is 81 and even when you multiply -9 with itsel...

How To: Wear the headphones on your head while you DJ

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how to wear the headphones on your head while you DJ. If you have the two cups on your ears, it's a good idea to have what's known as split cue. This is when you can hear one table through one side and the other through the other side. But some DJ's like to have ...

How To: Use the American Audio CK1000 mixer combo

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how to use the American Audio CK1000 MP3 & CD player mixer combo. This video takes a small look at this twin CD/mp3 player. It has all the essentials needed for any DJ. To be honest, the feel and the user friendly look of it makes it perfect to take on the road t...

How To: Set up the American Audio TT Record turntable

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how you can set up the American Audio TT-Record Turntable. This is a Belt Drive turntable that can record your vinyl with a press of a button. All you need to do is plug in your memory stick and off you go. This unit does not need to be used as a direct drive sin...

How To: Use a VESTAX VCM-100 midi and audio controller

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how to use the VESTAX VCM-100 midi and audio controller. This tutorial also shows you the similarities between this and a separate DJ mixer and CDJ turntable. Watch this DJ tutorial and you can learn how to use the VESTAX VCM-100 midi and audio controller.

How To: Know what lighting a DJ needs

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains where you should place lights around your DJ booth. Learn where to place lights and what you would need in a small, med and large room. Watch this DJ tutorial and you can learn how to strategically place your lights when DJ-ing a gig.

How To: Use the MIX CONTROLE 10 from DJ-TECH

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how you can use the MIX CONTROLE 10 from DJ-TECH. This mixer comes with the Mix vibes program enabling you to use the music off your PC and the mixer. Watch this DJ tutorial and you can learn how to use MIX CONTROLE 10 from DJ-TECH.

How To: Play triads on the piano

This two part how to video covers chords on the piano or keyboard. Learn how to play the 3 note solid and broken triad, as well as D major scale, and the song Jingle bells. The triad is one of the most basic concepts that every pianist, or any musician, should learn. Watch this how to video and get started playing the piano today.

How To: Use the roll feature on the Pioneer DJM-800 mixer

Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how you can use the roll feature on the DJM-800 mixer. This feature basically samples music. Watch this DJ tutorial and you can learn how to use the roll feature on the DJM-800 mixer.

How To: The Best Socialization Apps on Your Phone for 18-Month-Olds

Your childhood "social networking" may have been to go outdoors to the neighbor's — and outdoors is a great place for kids to be. But these days, the terms educational, digital media, entertainment, and toddlers don't have to be mutually exclusive. Like most things in life, it's about balance, and these apps can aid your child with social-emotional development when not playing with friends.

How To: Have Proper Risk Managment When Trading

This video is teaching you how to have proper Risk Management when trading. Not managing your risk will eventually kill your capital, whether you are trading stocks, forex, futures or indices. After explaining the concepts instructions are provided for you to adopt the principles mentioned.

How To: Add Title, Description, Keywords and/or Phrases for Xara Web Designer 7 Premium

This web design tutorial will teach you how to add titles and descriptions that are relevant to your web page. Also you will learn how to add keywords for your website by using the website properties panel to add relevant keywords and phrases to your document in Xara Web Designer. The concepts taught for this web design tutorial are also referred to as Search Engine Optimization (SEO) meta tags.

How To: Perform advanced volcadas in tango

Tango teachers perform a didactic demo to highlight and integrate the concept covered during class. Today's class will focus on volcadas-funny, collapse, traveling and volcada pluses. All involve similar concepts. Start basic and get complexed. (Major actions are performed by female partner).

How To: Get better grades

The only things that will get you into a good college is persistence, a will to learn, and of course… grades. If your grades are lacking that oomph they need to impress the schools and your parents, there's a few ways to aid in improving your scores. With a little effort and focus, your next report card will sport better grades.

How To: Solve the Rubik's Cube blindfolded

Need a new way to impress your friends and family? Watch this video tutorial to learn how to solve the Rubik's Cube blindfolded. To solve the Rubiks Cube blindly, use the Pochmann Method. You really need to practice this method to get it down, because there are many things to keep in mind.

How To: Do water's skin or surface tension experiment

While the concepts of molecule interaction, zero force and energy states might be a little beyond an elementary school science fair's scope, the basic idea of water's capabilities and naturally prepared access to animals and insects that rely on it as a habitat is certainly worth the time. Learn how to duplicate this natural phenomenon in this free video clip series with our expert Scott Thompson as he demonstrates the occurrence of water skin or skin tension, and shows you and your children ...