Hot Computers & Programming Posts
How To: Add, save & retrieve data in SQL Server using C# programming & Visual Studio
This five-part series on C# programming covers many things. First, you learn how to save to the Microsoft SQL Server. Then, you'll learn how to retrieve that data. You'll also learn how to navigate the DataSet, edit SQL data, and delete data. If you have Microsoft Visual Studio and SQL Server, give this lesson a try.
How To: Clean Up Hard Drive Space by Deleting iOS Device Backup Folders from iTunes
By now, you probably know that your iPhone secretly tracks and stores the locations you've visited in a backup folder on your computer's hard drive. The files are unencrypted, which means anyone with access to your computer or device can retrieve the information, which is downright scary. But Pete Warden and Alasdair Allan are making it fun with their iPhone Tracker application, which lets you map out everywhere you've been with your smartphone.
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: 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: Import modules into IDLE in Python
Bucky from The New Boston serves up this Python video tutorial on how to import modules into IDLE in Python. This is the program you use to write all of your Python code down. Fun with importing modules!
How To: Convert webpage HTML to PDF on Ubuntu Linux
There's plenty of reasons why one would want to convert a webpage to a PDF document. And there's numerous ways on how one can convert that web page (HTML) into a PDF file. Check out this video tutorial on how to convert webpage HTML to PDF on Ubuntu Linux.
How To: Hack a wireless or wifi network with DeAuth
A DeAuth hack attack against a wireless network, as shown in this how-to video, will disconnect any and all users on a given WiFi network. The attacker does not need to know the WEP or WPA key or be connected to the network. For step-by-step instructions on running a DeAuth hack yourself, watch this simple how-to guide.
How To: Crack a WPA (and some WPA2s) with BackTrack in Linux
In this video we learn how to crack WPA using Back Track. The first step is the boot into Back Track using a VMware Virtual Machine Image. Next you need to open a shell console. In the console you will type "airmon-ng" and press enter. This does a check to find the wireless guard interface name. Next, type "airodump-ng wlan0" and press enter. This will tell it what wireless card to use and scan for wireless networks. You are looking for the one that comes up WPA. Copy the MAC address then typ...
How To: Install Windows XP-Windows 7 via WinToFlash program
In this tutorial, you will learn how to install Windows XP or Windows 7 onto a Netbook using the WinToFlash program.
How To: Fix the click of death on a hard drive
If you have owned a lot of hard drives, you probably have experienced the clicking of death that indicates that your hard drive is having serious problems. This video will explain why the click of death happens and show you some processes you can try to fix the problem yourself.
How To: Fax directly from PCs with an Epson All-in-One printer
This is the future, where you can fax not only from a piece of paper, but directly from your computer, too. Whether you have a PC or a Mac, Epson All-in-One printers allow you to send a fax right from your computer.
How To: Update graphic drivers with Windows Device Manager
In this video tutorial, viewers learn how to upgrade their graphic driver. This task is very fast, easy and simple to do. Begin by clicking on the Start menu. Then right-click on My Computer and select Properties. Now click on the Hardware tab and click on Device Manager under Manager. In the Device Manager window, select your graphic driver under Display adapters. Right-click on the driver and select Update Driver. Now follow through the instructions in the window and check for any updates. ...
How To: Fix your computer when it won't recognize your CD or DVD disc drive
One of the most annoying of the many annoying types of errors on Windows computers is when you computer won't recognize parts that have always been a part of it, like the drives or keyboard. If your computer has stopped recognizing your CD or DVD disc drive, watch this video. As long as the drive is still connected, the steps in this video should allow you to fix the problem and continue using your drive.
How To: Hack into a Windows computer
This is how to hack a computer for educational purposes. First you need its IP address, radmin viewer 3.3 or later, and an open port scanner. Okay so first you need the IP and scan the IP address of the computer. Now find what open port it has. Ok then open up radmin viewer and put in the IP address and open the port you found. Now right click after you enter the computer's IP address and the open port. Select full control or view only and there you go. The computer has been successfully hack...
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: Permanently delete previously deleted files on a Mac
The guy in this video shows us how to permanently delete files on a Mac. First one would click on your desktop so the finder pops up and one would go to "utilities" and click "disk utilities". Next, one would click on the disk which they would like to clear, then click "erase" and then click "erase free space". After clicking, a box will pop up asking if you want to erase 0 times which clears the disk 1 time, 7 times which clears the disk 7 times to delete unwanted files, or 35 times, which r...
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: 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: Test your system performance in Windows 7
In this video tutorial, viewers learn how to test their system performance. Begin by clicking on the Start menu and select Control Panel. Then click on System and Security, and select "Check the Windows Experience Index" under System. Now click on "Rate this computer". The system will then begin to run some tests. This will take about 1-2 minutes. The Windows Experience Index assesses key system components on a scale of 1.0 to 7.9. This video will benefit those viewers who use a Windows 7 com...
How To: Get better picture quality from your webcam
This video shows you how to get the most out of your webcam and get some decent picture quality out of it.
How To: Create interactive programs in Python
If you're interested in learning a general purpose, high-powered programming language, Python might be the way to go. In this installment from his video tutorial series dedicated to programming in the Python programming language, you'll learn what's necessary to create an interactive program from a Linux shell. To get started programming with Python, take a look!
How To: Repair scratched CDs and DVDs with sandpaper
Have a Playstation game, or any other disc, that just won't play? In this how-to video, you'll learn how to repair damaged and scratched optical media (e.g., DVDs & CDs) using sandpaper and rubbing compound. Check it out.
How To: Create modules with PHP for your website
Many sites do not use any fancy Content Managment System (CMS) to generate their pages, they are just just good ol' static HTML content. A site for your grandmothers pie baking business probably only has a few pages, perhaps a homepage, about page, and contact page. Each of these pages has different main content, but much of it stays exactly the same, like the header, navigation, and footer. Think of these sections as "modules" that you can easily use PHP to insert into the page. This way, ma...
How To: Replace a space bar on a Dell laptop keyboard
Is the spacebar on your keyboard out of whack? This simple video will show you how to re-seat it in less than two minutes. Start by using your fingers (or a small screwdriver or spudger if needed) to gently pry up along the top of the spacebar, working from one direction to another. Continue working along the top until the key is free from its mounting clips. Observe the location of the mounting clips. After the key is free from the keyboard, you can also remove the metal support bar from the...
How To: Open ISO files using WinRAR
In this video tutorial, viewers learn how to open ISO files, using Winrar. An ISO file is in an "image" of an entire CD or DVD. It contains all the contents of the disk. Begin by opening Winrar. Go to Options and select Settings. Go to the Integration tab and check ISO. Now Winrar will be able to associate with ISO file. Press OK. Users just need to right-click the file and select extract. It is the same as a ISO extractor program. This video will benefit those viewers who have Winrar and wou...
How To: Format a hard drive using Windows Vista
Formatting the hard drive on Windows Vista is easy. First click Start, then Control Panel, Administrative Tools, Computer Management. When that opens up, click Storage Disk Management. This will open a window showing all the computer's partitions. It isn't possible to format C: because that is where the operating system is installed. We will format disk 2. Right click on that, and select New Simple Volume. This will open the wizard. Follow the prompts through the wizard to Finish. The compute...
How To: Password protect a folder on Windows Vista
In this tutorial, we learn how to password protect a folder on Windows Vista. To do this, you will first need to have WinRAR downloaded on your computer, you can get it here: http://download.cnet.com/WinRAR-32-bit/3000-2250_4-10007677.html. Next, you will right click on your screen and click "new" and "folder". Then, you will rename your folder to anything you'd like. From here, you will right click and then click "add to archive". Then, go to advanced and set password from the toolbar. Enter...
How To: Restore deleted files with Encase from NTFS USB drive
Use Encase to open the drive after the document has been deleted. The deleted file will show up in the program and will have a red circle with a line through it showing that it was previously deleted. The window on the bottom of the screen will show the document context so you can verify that it is the correct one. Right click on the file and click 'copy/unerase' to restore the document. Down in the bottom right hand corner you will see the progression of the copying to the chosen file destin...
How To: Change the default theme in Ubuntu Linux
Want to change the look of your Ubuntu desktop? This video clip from ubuntuclips.org will show you how to change the default Ubuntu theme. The new theme uses large text and icons and is well suited if you have difficulty viewing small text and graphics. To change the default Ubuntu theme go to System->Preferences->Theme.
How To: Install Ubuntu Linux on a Windows PC with Wubi
In need of a quick primer on how to use the Wubi Windows-based Ubuntu GNU/Linux installer? 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 two minutes. For more information, including detailed, step-by-step instructions, take a look.
How To: Install Ubuntu Linux in 5 minutes
A Tutorial: Ubuntu Linux is a completely free open-source operating system that has many useful features and abilities, and this guide will show you how to try this new OS without harming your Windows system, and it only takes five minutes to learn! This guide will show you how to: -Download and burn the Ubuntu image to CD -Shrink the Windows installation to make room for Ubuntu -Boot to the Ubuntu live CD and begin the installation process -A step-by-step description of what options to choos...
How To: Repair a MacBook Pro 13" - Speaker removal
PowerBook Medic is the ultimate resource for Mac computers and electronics repair. They have helpful tutorials on most Apple products including the MacBook, MacBook Pro, PowerBook, iBook, iPhone, iPod, and more, covering topics from disassemblies, to RAM upgrades, to replacement hard drives.
How To: Make an Auto Clicker in Visual Basic 2008
This article will show you how to make an auto clicker program in Visual Basic Express Edition 2008. An auto clicker is a very useful program that makes your mouse click many times automatically, wherever it's pointed. It's a very good AFK (away from keyboard) program. Just point your mouse on your screen and turn it on! It's very useful for computer games (FPS, MMORPG, and others).
How To: Set up a Linksys WR54g or WRT54g2 wireless router
This video tutorial is in the Computers & Programming category which will show you how to set up a Linksys WR54g or WRT54g2 wireless router. First you connect to your Linksys router. Then go to http://192.168.1.1 and type in "admin' as your password in to log in window and click "log in'. then go to the "wireless' tab and enter your wireless network name. In the wireless channel select '11 2.462GHz' and click save. Next go to "wireless security' and type in the wireless network key. This is t...
How To: Create basic 3D shapes using OpenGL and GLUT for C++
To start developing your own 3D games and programs, you're going to need to know the basics of C++, like shaping.
How To: Track a USB device
Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to track a USB device.
How To: Identify your system specifications in Windows XP
In this video from exosploit we learn how to find your system specs in Windows XP. If someone is trying to help your computer, you might need this information. Right click My Computer, and click Properties. Here you'll see your operating system, service pack, and how much RAM you have. Also google cpuz. Go to the first link and download it. Extract it and click the main file. Here it will tell you your processor, mother board, what bios version you have, how much RAM you have, and it will tel...
How To: Create HD from low quality vids in Avidemux on Ubuntu
New to Ubuntu Linux? This computer operating system could be a bit tricky for beginners, but fret not, help is here. Check out this video tutorial on how to create fake HD from low quality vids in Avidemux on Ubuntu.
How To: Crack a WEP key with Backtrack 4 and Aircrack-ng
In this clip, you'll learn how to use the Backtrack Linux distro and the Aircrack-ng WiFi security app to crack a WEP key. The process is simple. For more information, including step-by-step instructions, and to get started testing the security of your own WiFi networks, watch this hacker's how-to.
How To: Fix a broken or unresponsive keyboard key on your PC
This quick fix is really easy and super useful. Every once in a while we all get a key on our keyboards that starts to act up. Whether the key is unresponsive, tempermental or just plain annoying you can fix it with this easy method.