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Author Archives: GreeenGuru
Time and Date Difference Calculator / Time Zone Converter
Calculate the number of years, days, hours, and seconds between two dates and times. Or use the current date and time and change the time zone to find the hour difference between two time zones. It’s all available in one simple interface. Enjoy! Continue reading
Use Excel to Automate Repetitive Code
Have you ever wanted to pull data from an Excel Spreadsheet and place it into a Class or Object in your program? If you need to use a large number of repetitive structures, do you think it would be easier to create and modify them in Excel first? I’ll show you how I’ve used Excel 2007 to create a large table, then used Excel tools to automatically turn them into JavaScript Objects. Continue reading
How to Create a 360 x 180 Degree Panorama
If you’re a novice photographer looking to create a 360 x 180 degree Panorama similar to those found at 360 Cities, ViewAt.org, or panoramas.dk, then this step-by-step tutorial is for you. It’s also an excellent guide for photographers new to panoramic photography. Continue reading
Customize Your Fresh Windows 7 Installation
If you’ve just installed Windows 7 and want to do some tweaking to make your new OS more functional and to look better, then this walkthrough is for you. Continue reading
Best Way to Select Foreground with GIMP (A Photo-Editing Tutorial)
When editing a photograph, it is common to apply an effect to just the foreground and not the background, or vice versa. The problem is that GIMP does a poor job of selecting the foreground for you, so you have to do it yourself (From what I’ve seen, Photoshop isn’t much better at this). This tutorial will show you a couple methods for foreground selection, how to use them together, and how to apply them with some other basic photo editing techniques to improve a photo. Continue reading
Using a VPN in Ubuntu 10.10 (CryptoCloud aka TorrentFreedom)
Having trouble connecting to your VPN in Ubuntu 10.10? I’ll show you how to connect to CryptoCloud (previously TorrentFreedom) without downloading any software other than OpenVPN. Continue reading
Clean up the ‘Open With’ Menu in Ubuntu 10.10
Is your ‘Open With’ menu cluttered with duplicates and bad shortcuts? See this guide to clean it up! Continue reading
Customize Your Fresh Ubuntu 10.10 Maverick Meerkat Installation
If you’ve just installed Ubuntu 10.10 and want to do some tweaking to make your new OS more functional and to look new, then this walkthrough is for you. Continue reading
Eclipse – C/C++ (CDT), Python (PyDev), and Qt (Qt4) Plugins Installation Tutorial for Ubuntu 10.04
This walk-through will take you from a fresh install of Eclipse to a fully-functional IDE ready for development of Java, Python, C/C++, and Qt GUI applications. Every step is tailored to Ubuntu but might possibly be useful to Windows/Mac users as well. Enjoy! Continue reading
JUnit Testing Java Code Using Eclipse
New to Java? Trying to learn how to test your code? Trying to learn how to use the popular Eclipse IDE? Trying to do all three at once? Me too. Hopefully, this tutorial will help both of us. Continue reading