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Interesting facts related to computer that you would like

Sanjeev Kumar Jaiswal's picture

Here are some interesting points related to computer that you would love to hear:
1. It took the radio 38 years and the television only 13, but the internet reached 50 million users in only 4 years.
 2. The computer mouse was invented by Doug Engelbart in 1963. It was made out of wood (weird, huh).
 3. In 2009 the average number of Internet transactions per second was 2,000.
 4. Early hard disks in personal computers held only 20 MB of data and cost around $800. In 2010 you could get a 2 GB flash drive for around $8. This implies that there is a 100-fold reduction in the price and a 100-fold increase in storage capacity.

Interview of Francis Lobo-the new CEO of United Online

Administrator's picture

It is my pleasure to interact with smart and Young CEO of United Online, Francis Lobo in person. Our team, Alien Coders interviewed him recently and we are very very thankful to Francis Lobo and David Bigelow to share words with us. Please accept our gratitude from the core of the heart. I am sure his experience and thoughts will surely motivate most of us, specially Indian IT professionals.

Photoshop to WordPress for Creating Sites You Can Savor

Mike Swan's picture

There is no dearth of advocates of the fact that Photoshop empowers you create designs that have a brilliance right at the molecular level.

Basics of GnuPG (GPG) command in Linux

Sanjeev Kumar Jaiswal's picture

What is GPG ?

GnuPG (GPG)Gnu Privacy Guard or GnuPG or popularly known as GPG is a GPL Licensed alternative to PGP (Pretty Good Privacy) and its openPGP complaint program for *nix people based on rfc 4880. It is part of GNU software project started in 1991 by Werner Koch and majorly funded by German Government.  Download its pdf format from here.

basics_of_gnupg_gpg_command_in_linux.pdf546.31 KB

Delete Function in Perl with examples

Sanjeev Kumar Jaiswal's picture

“delete” function in Perl is mainly used to delete the given element/key, which in return deletes its associated value(s) too. So, exists() on such key would return false.
Note: Assigning undefined value to a key in has doesn’t remove its key but delete() function would do that. So, use delete() or assigning undefined value wisely.
The general syntax for delete function is:

  1. delete EXPR
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