Computers & Programming Features

How To: Get rid of screen flickering for Java game development

In this 14th video in a series about JAVA game development, "thenewboston" (Bucky Roberts) explains how to redefine your screen to avoid annoying flickering. Flickering in JAVA games often occurs because of time lags as the viewer watches the computer draw a new screen, pixel by pixel. Pre-installed code in JAVA can be used to eliminate this problem by taking advantage of "Buffering" and "Page Flipping". These functions permit you to delay the composition of a new screen until it is finished,...

How To: Implement a Volume Slider in an iPhone, iPad or iPod Touch app

In this clip, you'll learn how to add a Volume Slider to an iOS app with Xcode. Whether you're new to the Objective-C operating language and Xcode IDE or are a seasoned developer merely looking to pick up a few new tips and tricks, you're certain to be well served by this tutorial. For more information, including a complete overview and detailed, step-by-step instructions, watch this free video Objective-C programming lesson for iPhone & iPod Touch developers.

How To: Open .rar files on Mac

Mac or PC? PC or Mac? The debate rages on? Unfortunately, this can mean a lot of headaches for you when dealing with different file formats. If you work on both types, you might very well have to open the same file type on different computers. This can be a problem if you are using .rar files. But this video can help you. This tutorial will show you how a simple download can enable you to open .rar files on a Mac.

How To: Use the IIS registration tool to configure ASP.Net

In this video tutorial, Chris Pels shows how to use the ASP.NET IIS Registration Tool to configure ASP.NET. First, see how file extensions are mapped to ASP.NET in the IIS Manager on a global and web-site-by-web site basis. These script maps provide the basis for configuring individual ASP.NET applications to run under a specific version of the .NET Framework. Next, see how aspnet_regiis.exe, the IIS Registration Tool command line utility, is specific to each version of the .NET Framework and...

How To: Pair your bluetooth headset with the HP TouchSmart PC

HP TouchSmart is a powerful PC with innovative features. Using the HP TouchSmart Recipe box you can set up the blue tooth headset. The recipe box provides an easy way to work with you recipes using voice commands. You can set up your blue tooth head set to use the voice command feature of the recipe box. This gives the freedom to walk around your kitchen while cooking. The microphones embedded in the TouchSmart can also be used for this purpose but the blue tooth head set gives a better voice...

How To: Exploit Microsoft Windows in new and unusual ways

In this installment from the Unorthodox Hacking series of computer security videos, you will explore a few of the areas in Windows that most Sysadmins don’t even know exist. See how to become Local System through the Task Scheduler and abuse long filenames. Take a look at some of the features within Windows—registry—that many system administrators don't know exist with this hacking how-to.

How To: Create a GUI using JFrame when programming in Java

Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBostonian will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to create graphical user interfaces (or GUIs) for your apps using Java's JFrame. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.

How To: Install Mac OS X Panther on Windows XP (Pearpc)

In this how to video, you will learn how to install Mac OS X on Windows XP. First, download and open PearPC. Also make sure you have the Mac OS X CD or installation files on your computer. Next, select edit and navigate to the Mac OS X file. Click okay and then press configure. From here, change the settings to your liking, such as the screen resolution, and click finish. Next, click browse and go to the Mac OS X ISO file. Open it and the installation for the operating system will start. This...

How To: Open a SWF file

In this how to video, you will learn how to open an SWF file the easy way. First, download the link shown at the bottom. It is a flash player that will open flash movies saved on your hard drive. You can view these movies in full screen mode and control the play back. Once it is downloaded, install it. Open the program and then open an SWF file that you have saved. You should be able to watch it play in this program. You do not have to drag and drop the file on to the player in order to watch...

How To: Encrypt a NETGEAR router with WPA password protection

In this tutorial, we learn how to set and encrypt a Wi-Fi password using WPA in Netgear. First, type "www.routerlogin.net" into your internet browser. Next, a pop-up window will appear, type your user name and password into this dialog box. A new window will pop up, click on the tab on the left hand side of the screen that says "wireless settings". Type in your user name and password once more, then find where it says "security settings", and click on the "WPA-PSK" radio button. Now, make a p...

How To: Write a simple "Hello, World" application in PHP with the Eclipse IDE

In this clip, you'll learn how to write a "Hello, World" app in PHP with Eclipse. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Customize your icons on your Mac computer

Get a Mac Tip for your Mac computer! There's a million things you can do with your Apple computer, and this is just one of them. Watch this video tutorial to learn how to customize your icons on your Mac computer. This technique allows a Mac user to change the folder icons, the hard disk icons, or other icons on the Mac OS X operating system.

How To: Encrypt batch files with variables

Encryption is the process of converting you data in to other obscure form so that no one can read it. Encryption can also be done using batch files. Batch files are scripting programs in windows which can be used to program small automatic operations. To do this open a notepad to write the batch program. First turn of the echo by inserting the command '@echo off'. Now write the rest of the program as shown in the video. Now save the image as a bat file. Now you can encrypt this batch file. To...

How To: Change your computer name in System Properties (PC)

On your Windows computer you can change the name of your computer. After changing your name, when you turn off your computer you can make it display some thing else instead of the default "turn off computer" text. Do do this right click the My Computer icon on your desktop. Select properties from the menu. This brings up the System Properties window of your computer. Go to the Computer Name tab and in the description box insert a new name to your computer. Save the changes and exit the window...

How To: Hold multiple objects in an array in Java programming

Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBostonian will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to store multiple objects in an array when writing code in the Java programming language. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.

How To: Recover Lost Files and Images

You've had a massive hard disk failure.. ...in your PC or laptop and like a large number of people who think it will never happen to them...you did not have a backup of those 2000+ family pictures, those hundred of important Word documents, those family videos that you downloaded from the camera then erased from the cameras disk...the inevitable "I'm Screwed!'

How To: Use the gconf-editor in Ubuntu Linux

This video tutorial takes a look at using gconf-editor in the Ubuntu Linux distribution. In particular this video addresses what gconf-editor is, how to use it, and what it offers. While this tutorial is Ubuntu-oriented, its lessons will work on other systems such as Fedora and gNewSense, but only if they are GNOME-based. To learn more about gconf-editor, and why you should learn how to use it, watch this how-to.