About Programming: Detecting IP addresses in PHP, Open source funding

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Programming From Scott Orgera, your About Programming Editor August's final newsletter profiles the Raspberry Pi computer, teaches the correct syntax for writing awk commands in Linux, details how to retrieve a user's IP address in PHP, explains the methods for stretching a background image using CSS3, and much more. Raspberry Pi Computer Running Linux The Raspberry Pi computer, boasting a small physical size and even smaller price tag, was first created as a tool on which school children could learn to write code. Due to its convenient measurements and highly affordable cost, however, this Linux-based desktop has been utilized for a wide range of interesting projects... Profile of the Raspberry Pi computer Search Related Topics:  sbc  raspberry pi  programming Linux: How to Write awk Commands and Scripts Analyzing or processing the contents of text files is something most programmers have to do at one point in their careers, especially when there is a need to parse organized data. In Linux, the awk command provides the tools necessary to do just that... Writing awk commands and scripts Search Related Topics:  bash shell  programming  scripts IP Addresses and PHP In PHP, the getenv() function allows you to look up a user's external IP address. This can come in handy for a number of reasons, such as creating your own internal blacklist for those visitors with malicious intent in mind... Using the getenv() function Command-line Arguments in Ruby Since a large majority of Ruby scripts provide no interface for direct interaction, command-line arguments must be utilized if you wish to control or modify their behavior... Using command-line arguments Search Related Topics:  program arguments  ruby on unix  ruby scripts Related Searches Open Source Project Linux VS Unix Programming Linux Computer Look Up IP Addresses Featured Articles CSS3: Stretching Background Images Is Possible New Ways to Fund Your Open Source Project Bindec() PHP Function Creating an Access 2013 Database From Scratch Forum: Sorting Database Reports Base_convert() PHP Function   More from About.com Run Your First 5K Even couch potatoes can be ready for a 5K with just a couple months of training. Read more...> Help! I'm Too Busy Time and stress management tips to help you feel as though you have more time. Read more...>   Sign up for more free newsletters on your favorite topics You are receiving this newsletter because you subscribed to the About.com Programming newsletter. If you wish to change your email address or unsubscribe, please click here. About.com respects your privacy: Our Privacy Policy Contact Information: 1500 Broadway, 6th Floor New York, NY, 10036 © 2013 About.com   Advertisement