Hot Computers & Programming Posts

How To: Search your entire hard drive in Microsoft Windows 7

Want to search your entire hard drive rather than just a designated segment of it? This Windows 7 tutorial will show you how it's done! It's easy! So easy, in fact, that this home-computing how-to can present a complete overview of the process in just over a minute's time. For more information, including detailed, step-by-step instructions, watch this Win 7 user's guide.

How To: Make a Pandora battery without opening it

So to do that you will need 5.03 firmware, ac adaptor to turn your battery to normal after this, download the easy installer from the link in the video description and check if your motherboard is capable to convert your battery by the link in the video description. Now Switch on your PSP on ac adaptor and then put your battery in. Now run the easy installer. Now go to battery options and select convert to service mode battery. It will make the Pandora battery. Now you can switch off your PSP...

How To: Create a bootable Windows 7 repair disc on a USB drive

In this how to video, you will learn how to create a system repair disc on a bootable USB flash drive without having to burn a CD for your Windows 7 system. First, plug in your USB drive and create new folders in it. Name the first folder boot and the second sources. Next, open a command prompt and type in the cd c:\recovery, dir /a:sh, and so forth as shown. Once you have typed in the proper commands in the prompt, eject the flash drive. Restart the computer with the drive plugged in. Boot f...

How To: Create a simple math program with Java

In this clip, you'll learn how to create a simple calculator program with Java. Whether you're new to the Java object-oriented programming language or are a seasoned 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: Build a window and screen in Java game development

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 TheNewBoston will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to utilize and display graphical user interface elements like windows 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: Clean the keyboard on a Dell laptop

A laptop keyboard can collect a lot of dust, dirt, and breadcrumbs. In this tutorial, we learn how to clean out your laptop keyboard. Start off by removing the casing from around your laptop, making sure not to unplug any wires. You will need a screwdriver to remove the screw. Next, you will want to use a soft brush or tooth brush to clean where the keys were, and the inside underneath the screen. Next, replace the keyboard where it was and any screws. Also, plug in anything that may have com...

How To: Display a user or computer name by the time in the Windows taskbar

There could be multiple reasons why you would want to input a name in the Windows taskbar on your PC, like when dealing with a network of computers, to help identify workstations, or simply for a customized personal feel. With this tutorial, you'll see how easy it is to put your user name or computer name (or any other name) down in the taskbar, right besides the time in the bottom right.

How To: Change screen resolution & refresh rate in Windows 7

This movie shows you how to easily change screen resolution and the refresh rate in Windows 7. The first thing you have to do is to right-click anywhere on the desktop and then click the 'Screen Resolution' item. If you have multiple displays, select the display which resolution you want to change from the pop-up menu in the 'Display' field. Next, select the preferred resolution from the pop-up menu in the 'Resolution' field. To change your display refresh rate, you have to click the 'Advance...

How To: Connect to a network using Wi-Fi on a Mac computer

If you want to connect your Mac notebook or desktop to a wireless network, you'll need to set up the wifi connection on your computer first. Take a look at this walkthrough to find out how to find and connect to available wireless networks in OS X. This is a great skill to know if you own an Apple laptop and need to connect to the Wi-Fi networks at different locations.

How To: Remove noise from audio files in Ubuntu with Audacity

In this tutorial, we learn how to remove noise from audio files in Ubuntu with Audacity. To do this, you will first open up Audacity and then open up your audio file. To get rid of the noise, you will highlight the area with just the noise, not anything else. Now, go to 'effect', 'noise removal' from the top toolbar. Now, click 'get noise profile' and right after this you will need to select the whole file. After this, go back to the noise removal toolbar and click 'ok'. From here, you will s...

How To: Use the F5 Networks' BIG-IP Edge Client

Learn how to use the BIG-IP Edge Client and its Smart Connect, Location Awareness, Customization, Deployment features. Whether you're new to F5 Networks' popular network appliance or are a seasoned network administrator just looking to better acquaint yourself with BIG-IP, you're sure to benefit from this free video software tutorial. For more information, including detailed instructions, take a look.

How To: Reduce memory usage in Windows XP to speed it up

This video tutorial in Computers & Programming category will show you how to reduce memory usage in Windows XP to speed it up. The 1st method is to press Windows logo key and pause break together. The 2nd method is to go to start > control panel > system. Now the system properties box will come up. Here you click on ‘advanced’ tab. Now click the ‘settings’ tab under ‘performance’. Click on ‘visual effects’, select ‘adjust for best performance’ and click ‘apply’. Then under the ‘custom’ drop d...

How To: Hack Microsoft Windows 7 upgrade limitations

There are a couple of limitations that Microsoft put in to Windows 7 upgrades that can prevent users from upgrading and ultimately force them to do a clean install. First limitation is that they won't let you to upgrade Windows 7 if you run Windows 7 release candidate that was released earlier this year, which they won't let you to upgrade to a download Windows edition. If you are running Windows vista ultimate you cannot upgrade windows 7 professional. We have to buy an ultimate edition then...

How To: Reset or remove a forgotten Windows 7 admin password

In this video, we learn how to reset or remove a forgotten Windows 8 admin password. First, log onto your Windows 7 account, then reboot your computer insert a disc that has the PassCape disc in it. After this, you can go through all the steps to change your password and choose which accounts you need to gather the information from. After you do this, click through the different steps and when you finish, you will be able to log onto your user account and change the password on it. After this...

How To: Run Windows programs on a Mac using WINE

Macheads demonstrates how to install wine on mac. What is wine? Wine allows you to run and install windows program on Intel based machine. This program will work only on Intel and wont work on power PCs,unfortunately. First, we have to install macports which is something similar to installing unix programs on mac. The following are a bunch of requirements in order to install wine - an intel mac, admin account, X code installed, X11 (which comes mostly with intel macs). First of all we have to...

How To: Create an application, or app, bundle on Mac OS X

Wondering how to create an app bundle in Mac OS X? In this two-part video tutorial series, you'll learn how to create an application that is completely self-contained and is drag-and-droppable/relocatable. Frameworks, PlugIns, and Resources are embedded in the .app bundle, thus avoiding the need for installers and avoiding issues like dll-hell. There is also a quick demonstration on how to enable Universal Binary building at 15:46. Take a look!

How To: Increase the dock size in Mac OS X

In your Mac computer the size of the dock by default is very small. It makes it difficult to recognize the icons. However you can change a couple of preferences to make it more usable. To do this click on Apple. Form the menu select the dock option and select 'Dock Preferences' from the sub menu. This brings up the Dock preferences window. Here you can change the size of the dock using the size slider bar. You can also set the magnification to the desired level. This changes the magnification...

How To: Use multi-touch gestures with a Wacom Bamboo tablet

In this clip, you'll learn how to use multi-touch (or multitouch) gestures on a Wacom Bamboo pen tablet. Happily, it's easy. So easy, in fact, that this video tutorial can present a complete, step-by-step overview of the process in just under four minutes. For more information, including detailed, step-by-step instructions, and to get started using multi-touch gestures on your own Bamboo tablet, take a look.

How To: Use the Eclipse IDE for Python programming

In this clip, learn how to use Eclipse to do your Python coding. Whether you're new to the Python Software Foundation's popular general purpose programming language or a seasoned developer looking to better acquaint yourself with the features and functions of Python 2, you're sure to benefit from this free video programming lesson. For more information, including detailed, step-by-step instructions, watch this video guide.

How To: Completely erase a computer hard drive to remove all private data

Data thieves don't have to be programming wizards to get their hands on your personal information. They often find hard drives that contain financial and other sensitive data at flea markets, charity shops, the city dump—even on eBay. In this video tutorial, PC World explains how to completely erase sensitive data from old drives before recycling or discarding them. Wipe your old hard drives with this how-to.

How To: Use the Ironkey High Security Flash Drive

The Ironkey is a high security thumb drive designed to provide strong AES encryption, tamper resistance and other security services. Some of the topics covered will include: How is the drive mounted without admin privileges in Windows? How is it mounted in Linux? How does the "Self Destruct" feature work? What is Secure Sessions? How is the Ironkey better than just using Truecrypt? For answers to these questions, take a look. Use the Ironkey High Security Flash Drive.

How To: Read and write binary code

"There are 10 types of people in the world," the old joke goes, "those who understand binary, and those who don't." In this tutorial, you'll learn how to read and write binary code. With this neat tutorial, you'll join the former group. Make sense of the 1s and 0s of binary code, the symbolic atoms of machine language, with this how-to.

How To: Detect hackers on your network with Ettercap

Most of you are familiar with using Ettercap for attacking systems, but what about using it to find attackers? This tutorial will cover using Ettercap to find people sniffing on your network. The plug-ins we will be using are search_promisc, arp_cop and scan_poisoner. Have fun detecting network sniffers. Detect hackers on your network with Ettercap.

How To: Save your server resources with PHP caching

Sometimes server space can be an issue, especially when you're talking about costly actions such as iteration, file scanning, and numerous queries. In those instances it's often best to cache! This tutorial gives you a simple example which can help your site load faster and take less abuse.

How To: Completely erase all the data on your hard drive

In this video the instructor gives tips on how to erase a PC hard drive. An MIT study shows that 74 percent of the discarded hard drives contain private data on them that can be read and recovered by others. So you should learn how to completely erase all the data so that no one can recover or read from it later. Now formatting the drive or deleting a few files wont do it. For this you will need to have a proper software that meets or exceeds that US Department of Defense standards for data r...

How To: Reformat your computer step by step

This video tutorial belongs to the Computers & Programming category which is going to show you how to reformat your computer step by step. Go to BIOS by restarting your computer. Go to BOOT menu, select CD/DVD ROM and press f10 to save and exit. Now insert your operating system CD, don't let it run, restart your computer again and keep tapping f8. When the set up page is displayed, press 'enter' to set up Windows XP. Select your partition and press D to delete. Then press L to continue deleti...

How To: Replace a laptop CMOS battery

In this video, we learn how to replace a laptop CMOS battery. First, turn the laptop upside down and remove the screws around the panel you need inside. Set these aside and then pry the top up with a flat screwdriver. Now you will see the CMOS battery, remove this with the tab that is on top of it. Remove the battery from the area it's at and then replace it with the new one. Make sure you place it in just how it was before. After this, replace the panel on the top and screw the screws back i...