Hot Computers & Programming Posts

How To: Edit & delete data in PHP & MYSQL

This video describes how to edit and delete data in PHP and MYSQL. The video is about twenty minutes long and is perfect for anyone learning how to manage databases and websites with PHP or MYSQL. This video is part of a series on learning PHP and MYSQL. However, this video is not intended for anyone who is technically challenged or not a coder and should only be watched after having a good grasp on PHP syntax.

How To: Restore files that have been deleted from your PC

A very unfortunate event is to realize that you deleted some PC files that you need. This happens to a lot of people, but the files can be restored! To do this you will have to download a freeware program called Restoration! After you have downloaded and installed it, start the program, and select the driver for the program to search. The program will search that driver, showing you all of the deleted files in the past. The list will be long, but with a bit of patience, you should find the mi...

How To: Customize your dock in Mac OS X

This video describes how to customize the Dock in Macintosh OS, we can arrange application into the docks as your wish, and in right side of the docks we have the "Trash" and also minimized applications. Now we are going to see how to add shortcuts to "Dock”. First get into the "Application" folder for example take Quick time player and Drag into the Dock directly. We can also change the position of the application in dog by drag and drop we can also add shortcut to folders into the right han...

How To: Use iChat in Mac OS X

In this video we learn how to use iChat in Mac OS X. He explains to us that iChat allows us to chat with any person on our buddy list. He explains clearly about icons next to a person's name such as a camera which shows you can have a video chat with that person. Next he explains how to change your status, such as, whether you are available to chat or not. He then goes on to explain how to create your own buddy icon which is what people will see when they are chatting with you. You can create...

How To: Install a printer on your Mac

In this video, Gary from MacMost gives some tips on how to set up a new printer with your Mac. Some printers don't work for Macs, so make sure it's compatible before purchasing it, by checking the internet. Check if a USB cable comes with a cable and buy one if necessary. Ignore the CD that comes with the printer, because it probably doesn't have the correct Mac drivers. Leopard or Snow Leopard systems will find the correct drivers for you automatically most of the time. You might need to dow...

How To: Switch applications in Mac OS X

The University of South Florida screencast teaches you how to switch applications in Mac OS X. The application switcher gives you a quick way to switch through the running programs on your computer. To do this, simply press Command + Tab. You can keep pressing Tab to switch to another program. You can also use the application switcher to quit a program. When it is selected in the application switcher, press the Q key on your keyboard. You can also use the mouse to switch between programs, whi...

How To: Program with Python

Welcome to Google's Python Class – a seven-segment, two-part free virtual class for people with a little bit of programming experience who want to learn Python. The class includes written materials, lecture videos, and lots of code exercises to practice Python coding. The first exercises work on basic Python concepts like strings and lists, building up to the later exercises which are full programs dealing with text files, processes, and http connections. The class is geared for people who ha...

How To: Control your Mac with a Wiimote

VvCompHelpvV teaches you how to use a Nintendo Wii-mote to control your Mac computer. You need three things: a Mac with bluetooth, a Wii-mote and the program DarwiinRemote. You start the program and configure it so that it recognizes the Wii-mote Go to DarwiinRemote Settings, then Preferences, and configure your buttons. Go to the main window of DarwiinRemote and click the mouse mode and select on. You can use the Nunchuck as well, All you need to do is configure it in DarwiinRemote. Now you'...

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: Configure Grub 2 for Linux

Linuxjournalonline teaches you how to use GRUB to dual-boot Linux and another operating system. You need to go to etc/default/grub and edit that file. Here you can configure the time it needs to start booting a system and what OS to boot. You need to be root to edit this configuration file. Don't forget to run update-grub to force an update of grub.cfg. And this is the end of the short process needed to configure Grub 2 for Linux.

How To: Move your iTunes library

If you have a large iTunes library, you may want to consider moving it to an external drive. But did you know you can also have some of your media on an external drive without having to move the library? In this video guide from MacMost, you'll take a look at three methods of handing an iTunes library on an external drive.

How To: Take apart a 1st generation iPod Nano

This video shows the correct procedure to dismantle a first generation iPod Nano. The presenter starts by using a putty knife (aka the iPod take apart tool) and separates the casing. Next, the presenter removes the battery from the internal circuit board by using a soldering iron to melt the soldered battery connections. A small Phillips head screw driver is then used to remove three screws from the logic board. Finally removing two small ribbon cables will free the logic board from the plast...

How To: Set up an Epson printer wirelessly

Learn how to set up an Epson printer wirelessly when you bring your new printer home you will want to start by installing the software that came with the new printer. You can set up your printer to work without wires and it will print from all over the house. There are 3 ways to set up the printer including the Epson way, with cables, and WPS. To determine is you need to use WPS, which is more complex, check your router to see if it has a sticker on it that says Wi-Fi Protected Setup. If that...

How To: Recover a deleted file from NTFS drive on Ubuntu

For anyone who has accidentally deleted a file, follow the steps in this tutorial to learn how to recover the file on Ubuntu. Learn what commands to type to run a search that will allow you to undelete a deleted file. This tutorial shows you letter by letter what command to type and in what format it should be typed to scan your hard drive for the deleted file. Once your search has found the file, the tutorial also shows how it can be recovered and then saved back onto your hard drive.

How To: Monitor your graphics card temperature

In this video from ReverbDP we learn how to monitor your graphics card temperature. You go to TechPowerUp and scroll down to the download link. Click download and click the name of the file and where you want to download it from. Once it is downloaded you just find it on your computer and launch it. Once inside the program you just have to click on the sensors tap to see the temperature of your graphics card. Watch this video to learn to keep an eye on your graphics card temperature.

How To: Format your hard drive in Windows 7

YOUTUBE At first, click start, Right click the "computer" option and choose "manage" which opens the "computer management" window. On the left explorer pane, click the storage option and then choose disk management which brings you a list of all available hard drives that you are using in your system. Before doing a format, make sure you have a backup of all your files since formatting will erase the entire contents of the specified drive. Right click the drive you wish to format and choose "...

How To: Take apart a 3rd generation iPod

This video from Powerbook Medic teaches us how to take apart a 3rd generation iPod. First step is to use a putty knife or a flat head screwdriver to break apart the two pieces. After that remove the headphone cable and set the bottom pan aside. After this, you disconnect the hard drive, and battery cable form the board. Then use a T6 screwdriver to unscrew the T6 screws which are holding the board in place. Then take the last cable away. Now you can take the board out as well as the battery. ...

How To: Recover lost files with Windows XP and Vista

In this video tutorial, Mike shows how to find a missing file in Windows XP and Vista with three different options. In the first option, open Windows Explorer or My Computer. Then open the recycle bin to check for your missing files. If you don't see your file there, close the recycle bin and go to Start and then Search. Look for your file by searching for the file by name to find the location of your missing file. You don't have to know the entire file name to do a search. If that does not w...

How To: Change the background or screensaver in Mac OS X

In this quick video, you are shown (and told) in a very simple way how to change your background or screen saver on your Mac computer that runs OS X. This is very simple to do, just click the apple, go to System Preferences, then click Desktop and Screen Saver. From there, you will be able to customize your background or screen saver, whether you choose to use the ones that came with your Mac, or your own pictures or downloads. This is a great video for new or inexperienced Mac users.

How To: Fix a slow Mac

Is your Mac running slow? If yes, then the instructor in this video shows just how to diagnose and fix it. It is not an uncommon problem that a Mac begins to get slow with time. Though there are a million different things that can slow down a computer and it is never easy to pin point the problem, there are a few things that you can do to try and get it fixed. The first thing that you should do is check the free space in the hard disk drive. If it is less than 10 percent then you better start...

How To: Lock drive letters on your PC

Mike Agerbo, the host from GetConnected features a quick and helpful video on how to lock drive letters on a PC. On your PC, right click the my computer icon to bring up the management window. Click on storage, then disk management. Once it brings up your list of hard drives, right click the one that you would like to change. Click change drive letter and path. Once you have the window open you can change your drive letter. This will help you when organizing your drive to limit any complicati...

How To: Make a simple HTML hyperlink

This how to video shows how to put an HTML hyperlink on a web page. It starts with the basic code to simply insert the link and have that link open in the same window. The code appears as follows: <a href="http://www.website.com">Text that will show up on the page </a>. The example used is Google, so it would be, <a href="http://www.google.com">Google</a>. The video then explains how to create a hyperlink that shows up in a new window. Sticking with the Google reference it would read <a href=...

How To: Change your desktop background picture in Windows 7

Ever wanted to change your desktop background and can't figure out how to do this in Windows 7? This tutorial will show you how to change this background. If you have an image saved on your computer already, you can simply right click it and then choose "Set as Desktop Background" and this will set the picture as your desktop background. This can be used for any picture you have stored on your computer, regardless of location. Using this technique, you will soon be able to change your desktop...

How To: Slipstream Windows installations

Gigafide will show you how to slipstream Windows installations. You need to go to Vlite and download the program for Windows Vista. Install and run it. Select install at the main window. Use 7-zip to extract the ISO file. Next, go to that folder and run startcd.exe. You click next, agree to the terms and install it to the Vlite folder. Go to that folder, then Tools - x86 and select the file wimgapi.dll. Copy and paste that into the main Vlite folder. Go to Vlite, select your Windows Vista dis...

How To: Design visual elements in CSS

Have you seen extravagant graphics on web pages or in the GUI (Graphical User Interface) of a commercially published program? Do you wish you could create graphics comparable to published works? Now you can! This tutorial will take you step by step in creating visual elements in CSS. Cascading Style sheets are the present and future of web pages and this tutorial will make sure you are not left behind. The visual aspect of web pages are of utmost importance and the major determinant of a user...

How To: Install Linux on a phone

The metalx1000 shows how to install Linux the on a phone. He talks about the Openmoko operating system. The first thing he shows is where to download it from and which one to download. The next thing he talks about is a tool that he will be using called "dfu-util" which he states you can download from the Openmoko site. The next thing he do is enter some commands for the dfu-util tool and continue to show you how to install Linux on a phone. By watching this video, you will gain the knowledge...

How To: Monitor network activity on Windows 7 with Tekzilla

Veronica from Tekzilla teaches you how to monitor network activity on Windows 7. Go to ITSamples and download the Network Activity Indicator program. Install it and run it. This will add a new icon on your system tray. It blinks to reflect incoming and outgoing packets. You can right click to see a more detailed report. You also get statistics and a menu for your network and firewall settings. So to get the popular windows XP type network indicator icon all you need to do is follow the steps ...

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: Fix a Windows "blue screen of death" (BSOD)

This video shows you how to fix a Windows "Blue Screen of Death". You should know what to look for when you get the BSOD. You should look for the error code first and then the stock code. You should hit the F8 button upon start up to go to the last known good configuration and it will boot your computer to the last time it booted correctly. You can also start in safe mode. You will need to do a system restore. If that doesn't work do a Google search for the file name that is causing the probl...

How To: Prepare for a clean isntallation of Windows XP

This video demonstrates how to reformat a hard drive and perform a clean installation of Windows XP operating system. The tutor first advises to make a back up of everything, including the drivers and my folders. He explains various methods by which one can take the backup of the data in a system. Now he shows how to format the C drive where you can now install Windows. He also shows software that is used to take the backup of important data before formatting. This video shows how to reformat...

How To: Take and crop a screencapture on Windows

On this YouTube video the user Vvistacomphelp shows you how to print screen and crop pictures. The first thing that the user shows is where the Print Screen button is located at on most keyboards so that you can press it on yours. The second thing is go to the start menu in Windows Vista and type in "paint" in the search box on the bottom left then open Paint under Programs. The third thing that is shown is how to make an image appear inside of the paint program so you can crop it. After foll...

How To: Format a Windows XP hard drive

First, insert a bootable XP cd in your hard drive. Then the setup will start. Press "enter" to setup XP and then press F8 to accept the agreement. After that, press "enter" to setup Windows XP on unpartitioned space. After this press "Format using the NTFS file system". Then a new window will appear which will start the formatting process which will take several minutes depending upon the ram on the computer. This will help you quickstart your new PC on your own.

How To: Enable Aero on Windows 7

Windows' new Aero interface is a nice, clean style to use on your desktop. Aero is included with most editions of Windows Vista and Windows 7 and is also available on Windows Server 2008. Aero is a cleaner, more powerful, more efficient and more aesthetically pleasing user interface than the old theme and includes fun things like live icons, animations, and a funky new design.