Tutorials »

  • 5 tips for data manipulation in Excel

    If you work with data much, you don't need a statistical model to predict that the odds of consistently getting data in the format you need for analysis are pretty low. Those who do a great deal of data cleaning and reformatting often turn to scripting languages like Python or specialty tools such as OpenRefine or R.

  • Learn to build a PC in under two minutes

    Building a computer is a great way to get a custom configuration, save some money and have fun. In a how-to video, we'll show you how to build one in less than two minutes.

  • Saving YouTube videos for offline viewing

    Watching a YouTube video typically requires an Internet connection, but with a little preparation the videos can be saved for later offline viewing.

  • Secure location sharing with smartphone app

    Running late for a meet up with friends or an appointment? Share a location securely and for a limited time period with smartphone application Glympse. It's a free download for Android, iOS, Windows Phone and BlackBerry.

  • Google Earth power user tips

    Google Earth users can do more than just fly around a virtual globe. The free mapping application can display real-time weather, help compose photographs and measure distances much more easily than its Maps cousin.

  • Saving Google Maps destinations for easy navigation

    Saving a destination in Google Maps makes it easier to navigate to and also lessens the chance for error when entering or trying to remember an address.

  • Tech Tip: Advanced Google search functions

    Searching Google is a quick way to find information, but more advanced functions can help users find more helpful information faster.

  • Free Amazon Web Services -- and how to make the most of them

    If you avoid some gotchas and keep a close eye on resource usage, you can have a handy server in the Amazon cloud for free

  • How to script: A Bash crash course

    An easy step-by-step guide to the Bash command-line shell and shell scripting

  • Cyberstalking with LinkedIn

    You just left cocktail hour or a networking event and forgot to grab a business card from the person you'd been chatting with. Don't kick yourself. Instead, log on to LinkedIn to do some cyberstalking. It's a much better resource than Facebook, because with just bits and pieces of information, you're still likely to be able to find your target.

  • Control your TV with your smartphone, tablet

    Using your smartphone or tablet to control your Tivo box is easy and offers a lot of flexibility in recording shows and channel surfing.

  • 5 excellent uses of Windows 8 Hyper-V

    Windows 8's bare-metal virtualization layer is a great way to create an app sandbox, run a test machine, launch a VHD appliance, and more

  • How-to: Get started with MySQL

    An easy step-by-step guide to setting up a MySQL database server, along with phpMyAdmin, on Fedora, CentOS, or Ubuntu

  • How-to: Get started with Amazon EC2

    Amazon cloud skills are in high demand. This easy, step-by-step guide will help start you on your path to cloud mastery

  • How to check if your Android phone is vulnerable to the USSD security flaw

    A security flaw has been discovered on various Android smartphones that allows a USSD code to perform a factory reset without any confirmation prompt. Is your Android phone at risk? Here's how to find out.

  • REST Web services demystified

    REST API integrations can be daunting if you haven't worked with Web services before. Here's how to get started

  • How to create custom notification tones in iOS 5

    Apple's latest iOS 5 operating system for iPhone, iPad and iPod touch devices went live last week and one of its new features is custom notification tones.

  • Internet Explorer 9: A getting started guide

    Microsoft's Internet Explorer 9 officially launched late Monday and is ready for download here.

  • Open source FreeOTFE encrypts disks handily

    FreeOTFE may sound like a political bumper sticker, but it stands for "Free On The Fly Encryption." The "Free" part is self-explanatory; "On The Fly Encryption" refers to the encrypting/decrypting of data as it is written to or read from your hard disk.

  • Enable iTunes Home Sharing in iOS 4.3

    The next major iOS update is slated to be released this Friday, March 11, alongside the ultra-hyped iPad 2. One of the key features is a little something called iTunes Home Sharing, which allows users to stream music, podcasts, movies and more from PC to iOS device.

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