Hot Computers & Programming Posts

How To: Use salty hashes to keep passwords secure

In this tutorial, we learn how to use salty hashes to keep passwords secure. A hash is stored in a database that is hashed with an algorithm, so not everyone can see exactly what your password is. When you type your password into a website, it doesn't actually register as words, it registers as a hash. This keeps your passwords secure so not everyone can see them. Salting is when you use random pits and attaching them to your regular hashes so not every password is the same. The salt is what ...

How To: Change the default taskbar icons in MS Windows 7

Want to change around the default taskbar icons in Microsoft Windows 7? It's quite easy once you know how to go about it. So easy, in fact, that this free video tutorial can present a complete, step-by-step overview of the process in just under five minutes' time. For more information, and to get started tweaking your own taskbar icon, take a look.

How To: Get a Vista-style Taskbar in Microsoft Windows 7

New to Microsoft Windows 7? Pining for the old Vista Taskbar? It's easy to restore it! So easy, in fact, that this free home computing how-to can present a complete (and somewhat talky) overview of the process in just under a minute's time. For specifics, and to get started using a Vista-style Taskbar on your own Win 7 computer, watch this PC user's guide.

How To: Create mouse events for Java programming

Want to write Java applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBoston will help you on your merry way to accomplishing just that. Specifically, this lesson will demonstrate how to create mouse events. For detailed instructions, watch this programmer's guide.

How To: Delete a user account in Microsoft Windows Vista

In this video, Nub shows us how to delete a user account. First, you will click "start" then "control panel". Then click on "user accounts" and then "manage another account". You must be logged in as the administrator to do this. A new window will pop up once you click on this and you will see all the user accounts on your computer. Click on the user you want to delete and a menu will show up. Click the button that says "delete this account". A message will appear asking if you want to save t...

How To: See who's using your wireless network on a Windows PC

This video shows you the method to find if someone else is using your Internet connection. There are two methods for this. The first method involves opening the start menu and click on 'Run'. Type cmd in the text box which opens as a result of clicking on 'Run'. Type NET VIEW at the command prompt. This will show all people using your network. The second method involves going to Start menu. Go to Connect to and Show all connections. Click on My network places. Click on 'View workgroup compute...

How To: Configure your Mac to accept VNC connections

This video demonstrates how to set your Mac up to accept VNC connections.First we open up the "system preferences". Double click on Sharing and then go down to remote management and check this. We can see some options . Check the options Open and quit the application, Change settings, Delete and replace items, Send text messages, Restart and shutdown and Copy items. Then select "OK". Over here we can see "allow access for" and check "only these users". Remote management is now On. We can mana...

How To: Set programs to open when connecting your camera

In this how-to video, you will learn how to change what application will open once you connect your camera to your Mac. For example, you may not want iPhoto to open up when you hook up your camera. Open up Image Capture and open up the preferences. Change the drop down section so that it will open whatever program you want once this is done. Choose Other so that you get a list of programs that you can use. Select the program you want and hit okay. By viewing this video, you will learn how to ...

How To: Troubleshoot problems in Ubuntu Linux

Ubuntu comes with pre-installed tools that can help solve problems you may encounter when using Ubuntu Linux. This video tutorial shows how to identify and address common problems in Ubuntu Linux. Such tools discussed include the system monitor, the log file viewer and the network tools.

How To: Take a screenshot on your laptop computer

This helpful tutorial will show you how to take a screenshot on your laptop computer. To take a screenshot on your laptop, follow these steps: 1. Locate the 'FN' key. (Bottom left of your keyboard.) 2. Find the 'sys rq' key. It is also known as the delete button. (Top right of keyboard.) 3. Hold both keys in at the same time. 4. The image has now been copied to your clipboard, and you can open it through a program such as Paint. ( Press 'ctrl + V'. )

How To: Zip and unzip files in Windows XP

In this video tutorial, viewers learn how to unzip and zip files. The ZIP file format is a data compression and archive format. To unzip a file, right click on the file and select "Extract All". Continue by pressing "Next" and wait for the file to extract. To zip a file, right click on the file, select "Send To" and click on "Compressed (zipped)" folder. This video contains voice narration and a visual demonstration for viewers to easily understand and follow along. This video will benefit th...

How To: Flip your computer screen upside down in MS Vista

This video is a quick guide on how to turn your computer screen up side down. If you have Windows Vista, right click on mouse and go to graphics properties. Go to display settings. On the rotation box, choose the desired angle of rotation. Click apply and hit OK to confirm settings. For the keyboard shortcut, click control+alt+down arrow key to turn screen up side down. Click control+alt+right arrow key to turn screen to the left. Click control+alt+left arrow key to turn screen to the right. ...

How To: Create an RSS feed using XML code and RSS Builder

This instructional video shows you how to make a RSS ("Really Simple Syndication") feed using the free program RSS builder. RSS is a script that can be put up on a website that other users can subscribe to in order to get notified when the website gets updated. The xml code behind creating RSS feeds is explained. The code should be entered as shown and the file should be saved as "feed.xml" and upload it to a web server. Go to the URL mentioned, download and install RSS builder. Launch the pr...

How To: Catch your spouse cheating on the computer on Windows

This video is a tutorial on how to catch your spouse cheating on the computer if you are on a Windows computer. The camera is at a very low angle pointing towards the computer so the viewer can watch everything that is happening. The narrator talks the viewer through each step and offers various hints and tips. He shows the viewers how to do searches for photos, website history, videos, and music files. He suggests to check out the photos and website history as the computer finds them.

How To: Wash your Apple keyboard in the dishwasher

Your Apple computer keyboard, over time, can accumulate quite a lot of dirt and sticky gunk. It is only natural, then, that you should want to clean it from time to time. In this tutorial, Gary Rosenzweig talks about his success in putting his Mac keyboard in the dishwasher and the risk you take when you try this extreme method. Take a look!

How To: Tell if a CD is blank

Need to figure out if your cd has been written on or not? Here is a quick way to be able to tell the difference between a blank cd and a cd that has been written on. Obtain the techniques to be able to tell between a dvd and an audio cd that have been written on.

How To: Detect hackers with netstat

Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Unix, Unix-like, and Windows NT-based operating systems. This video tutorial presents a basic introduction to working with the netstat tool. Determine whether you've been hacked with this how-to.

How To: Turn any video into a screensaver on a Windows PC

You can make a screensaver with a MPG you get from the web and use "CamStudio" as one idea. You can use Infanview40, and install it the way you want it to open mpegs and add plug-ins that you get from the homepage.Open Infanview40, right click your .exe file to install in the program. Click "open" and Slide Show on INF.,scroll down to MPG that you want to add for your screensaver. Now the MPG is in the INFanview program,add to the screensaver.Click on "Play in full screen mode. Current Monito...

How To: Align the printhead on your Epson printer

Not aligning your printer before you print is like going to a job interview without brushing your hair: Everything else looks right, but you somehow still look unprepared and messy. Aligning the printhead on your printer will help ensure all text prints out where it's supposed to print out and there's no awkward color blurring with pictures.

How To: Create a new Windows partition with GParted software

In this tutorial, we learn how to create a new Windows partition with GParted software. First, insert your boot CD into your computer, then turn your computer off and it will automatically boot. Next, hit enter to select the first option, then wait for the scan to complete. When done, select your type of keyboard, then hit enter. After this, select your language and then continue to wait for the boot to continue. Once loaded, you will see the main partition. To split this, select it and click...

How To: Clone computers across the LAN

In this video the instructor shows how to clone computers across the Local Area Network using BartPE and Selfimage. To do this first we will have an original computer. Now create the image of the hard drive of the computer and share it on the network drive. Now, using that image from the shared folder you can start the clones of other computers by overriding their hard drive using this image of the main hard drive. Using this technique you can clone multiple computers which are the exact dupl...