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HoloLens Dev 102: How to Create an ImageTarget with Vuforia & Set Up the Camera System

Now that we've set up Vuforia in Unity, we can work on the more exciting aspects of making physical objects come to life on the HoloLens. In this guide, we will choose an image (something that you physically have in your home), build our ImageTarget database, and then set up our Unity camera to be able to recognize the chosen image so that it can overlay the 3D holographic effect on top of it.

Hack Like a Pro: Linux Basics for the Aspiring Hacker, Part 10 (Manipulating Text)

Welcome back, my aspiring hackers! As mentioned several times in previous Linux tutorials, nearly everything in Linux is a file, and very often they are text files. For instance, all of the configuration files in Linux are text files. To reconfigure an application in Linux, we simply need to open the configuration file, change the text file, re-save, and then restart the application and our reconfiguration is applied.

How To: Measure stones, bezels, and mounts with brass measuring calipers

If your idea of jewelry making is simply strining on glass beads and vintage knick knacks onto a string and then adding a clasp, then you have some serious learning to do. While in the end creativity trumps all, it's important for many intricate projects that you calculate exactly how much of one particular stone or filigree stamp you need. And in order to do that, you must measure them.

How To: Install siding safely during residential construction

This video is dedicated to the residential construction workforce and focuses on how to safely install siding. It's intent is to help provide employees and employers with the tools to make the residential workplace productive and safe. It outlines a number of code requirements and will show how to work safely and how to meet all of the safety requirements during the siding phase of residential construction. The areas discussed in this safety video are job preparation, walk-around safety inspe...

How To: Serve a tennis ball with some basic rules

In this how to video, you will learn how to serve a tennis ball. Start off with an eastern forehand grip. You can pretend to shake hands with the racket to find this grip. The knuckle of the index finger should be on top of the handle. Make sure your stance is sideways to the net and the feet are shoulder width apart. Your foot should point at 1 o'clock. The back foot should be parallel to the base line. Your racket should start at pointed towards the net. The first step of the swing involves...

How To: Prune hybrid-T roses

John White and Rosemary Maddox Master Gardner will teach us how to prune our hybrid t-roses. To begin, you’ll need a set of bypass pruners, long handles loppers for branches or canes, which are bigger than your thumb. You may also need a pruning saw, 10% bleach solution which is 10 parts water + 1 part bleach., an old dog bowl for the bleach, gloves, and a low stool. Begin with the bypass pruners clipping all branches that may be crossing or too close to the main branches that you will keep. ...

How To: Change your NAT settings to OPEN on a PS3

This video shows how to change the NAT type on a PS3. Go to connection settings>network settings>internet connection settings>OK>custom>wired connection>auto detect>manual. Choose an IP address that is different from your router, any other consoles, etc. Click right>automatic>do not use>enable. Press x to save settings, and test your connection. In this example, NAT type is 2. Now go to your PC and open IE. In the address bar, input router IP address, username and password. Go to Firewall Rul...

How To: Perform a rigged impromptu matchbox game

This trick can be done anytime, anywhere, with one of the easiest props ever: a matchbox. The props couldn't be simpler: just find an empty matchbox that has the same design on both sides. Set it on the table with the inside tray facing up (we'll call that "right side up") and start making a simple game of balancing the box with one side on the edge of the table and the other on your fingertip.

How To: Practice correct tire flipping for Strongman training

It is not hard to incorporate Strongman training techniques in your athletes' programs, but you have to make sure the technique is right. Flipping tractor tires is a good and cheap method of training. Unfortunately, it is often practiced incorrectly. This leaves athletes with back problems and pain. Avoid injury while training for StrongMan competitions by following these rules.

How To: Hike safely during the day and night as a Boy Scout

Tenderfoot is the first rank earned as a Boy Scout. The requirements of becoming a Tenderfoot provide basic skills to begin preparing the scout for higher adventure outings. Earning badges and receiving recognition can be very satisfying to boys. However, keep in mind that the badge is only a representation of a valuable set of skills that a scout has learned and demonstrated. The skills, wisdom, and experience gained through the activities of the scouting program are of much more value than ...

How To: Walkthrough & beat Spore's Creature Stage

Watch an 8 part series on Spore's Space Stage. How will you create the universe? With Spore you can nurture your creature through five stages of evolution: Cell, Creature, Tribe, Civilization, and Space. Or if you prefer, spend as much time as you like making creatures, vehicles, buildings and spaceships with Spore’s unique Creator tools.

How To: Read a golf scorecard

When you start to play golf, you will need to know certain things like how to keep score and follow the game. When looking at a golf scorecard, there is typically a list of local rules listed, and these rules should be taken into account in addition to USGA rules. Find out how handicaps indicate the difficulty of a hole in golf in this helpful tutorial. So, if you are ready to start playing, follow along with this video and start taking proper score.

How To: Play Blackjack like a professional

A professional Black Jack trainer explains in detailed and thorough live demonstration, the rules of the game, from the basic idea of the game to the most advanced rules. You will get to understand the mistakes made by players, and how to interact with the dealer.

How To: Play Roulette and learn all the rules

A professional Roulette trainer explains in detail and through live demonstrations the rules of the game, explaining the differences between single and double, money management, and percentages. You will get to understand possible mistakes.

How To: Work with probabilities in Microsoft Office Excel

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 50th installment in his "Excel Statistics" series of free video lessons, you'll learn the basics of probability:

How To: Play Diwaniya, Iraq on Splinter Cell: Conviction

Take a trip into the past as Sam Fisher gets captured by terrorists in the Iraq War. Instead of playing as Sam, you'll be playing the part of Victor Coste — the only man Sam trusts. Find out how Coste saved Fisher's life in this walkthrough for the Diwaniya, Iraq (Mission 4). What happens that day in Diwaniyah? Find out.

How To: Do a Belly Roll

The belly roll is a great place to start for aspiring belly dancers. The belly roll can be mastered by first isolating the upper abdomen and the lower abdomen separately. Combine these two movements for a perfect belly roll with instruction from an expert: Yasmeen began dancing at the young age of 3 and studied ballet, flamenco, folkloric, hip-hop and modern dance styles, as well as tribal fusion belly dance and Oriental Classical Egyptian belly dance. Learn more belly dancing dance moves fro...