android blackberry

http://liquidat.wordpress.com/2013/02/27/howto-syncing-multiple-calendars-between-android-and-zarafaSyncing multiple calendards between Zarafa (or any other groupware) and Android over ActiveSync is not possible due to limitation in Android. However, Zarafa can export calendars via CalDav, and there is an Android apps which adds CalDav calendars to the native calendar system. Background: ActiveSync...

http://www.itworld.com/operating-systems/344491/unix-under-spell-magic-numbersIf you've ever wondered how Unix systems identify files, you might be surprised to learn that file names really aren't an important factor. Unix systems reach into files looking for special codes called "magic numbers" to figure out what your files really are. They also examine other file content to pick out additional details....

http://www.datamation.com/open-source/75-open-source-replacements-for-popular-education-apps.html School budgets never seem to get any larger, but one way educational institutions may be able to cut costs is by deploying open source software. The open source community has developed applications that educators can use directly in the classroom, apps that are great for use at home and tools...

http://how-to.linuxcareer.com/an-overview-of-gnu-r-programming-language1. IntroductionThe aim of this article is to provide an overview of the GNU R programming language. It starts a series of articles devoted to programming with R. Its objective is to present, in an organized and concise manner, the elementary components of the R programming language. It is designed to help you understand...

http://pinehead.tv/linux/ubuntu-linux-apache-and-self-signed-certificatesWhether it is on your desktop or server installation of Ubuntu, there will come a time that you may need to work with Apache and certificates. We will go into full certificates from Certificate Authorities (like Verisign or Entrust) as well as exploring some of the ‘Open Source’ Certificate Authorities (read: free) in a later...

http://www.eschrade.com/page/why-you-should-not-use-htaccess-allowoverride-all-in-productionCommonly known as .htaccess, AllowOverride is a neat little feature that allows you to tweak the server’s behavior without modifying the configuration file or restarting the server.  Personally, I think this is great for development purposes.  It allows you to quickly test various server configurations...