If you haven’t a GUI to run your preferred email client or a browser, and you need to check if you have received new mails in your gmail account, you can use your favourite shell in conjuction with the CURL application.
Imagine you have a text file (txt.txt in the example) containing the following few lines:
and you want to extract the lines containing duplicate characters. The result will be the following:
While porting programs from linux to .Net architecture you could face the gettimeofday function…
Tree is a recursive directory listing program that produces a depth indented listing of files. With no arguments, tree lists the files in the current directory.
It has a simple problem….
it is not present on Mac OS X Mavericks…..
If you have to extract text from a pdf file, you have a pool of possibility starting from the command line linux tools to libraries for your preferred programming languages.
One of the best library I used in conjunction with the java programming language is Apache PDFBox, you can download the full jar here.
What are VirtualBox Guest Additions?
They consist of device drivers and system applications that optimize the guest operating system for better performance and usability.
To install them in Ubuntu you have to mount the CD (embedded in virtualbox) and then you have to open a terminal and type the following command: