Ruby has become quite popular these days for writing maintenance & monitoring scripts, and a feature many of these kinds of scripts require is...
In today's multitasking and multiprocessing environment it sometimes becomes necessary for programs to run certain tasks in parallel to be fast....
DNS (Domain Name System) is ubiquitous to any website or application operating over the internet, as people find it easier to remember the website...
Desktop notifications for web applications is a great plus, the user can be notified irrespective of the current window/tab they are using....
PDF (Portable Document Format) is a very popular format which has wide range of uses from invoices to mathematical and scientific journals, which...
Web Storage also known as DOM storage is web application technology which allows storage of data inside a web browser. It is similar to storing...
GCM or Google Cloud Messaging is a service for developers to send notifications from remote servers to their Android apps or Chrome extensions,...
APNS or Apple Push Notification Service, is service for Apple devices like iPhone, iPad & iPod to send 3rd party notifications to devices. It was...
SSH (Secure SHell) is a network protocol designed to be secure using various cryptographic technologies. It's very similar to telnet, but it is...
In this article I would to share a few lesser known coding tips & tricks in Ruby language, this has helped me make my code shorter and write code...
Web applications have always to deal with user input, nowadays more HTML, so there is a risk of malicious HTML code, XSS, etc. So, the best way...
Web scraping is to extract or harvest data from websites using programs to automatically fetch/extract data after per-determined intervals. It...
This works :-) #!/usr/bin/ruby a = ["Pradeep","Yes","YES","NO"] print a.select { |x| x.include?("YES") || x.include?("NO") }
CGI or Common Gateway Interface was created to server content over HTTP web servers using external scripting languages like Perl, Python, Ruby, or...
lsof or LiS Open Files is a very powerful command available on most of Unix-like systems, it lists all open files (in *nix everything is a file,...
tee command is common on Unix like systems and on Windows PowerShell. The tee command writes the input to the file specified and also to the...
ID3 is a format to store metadata within MP3 files which might include album info, artist info, cover images, thumbnails, and so on. These tags...
Amazon's Simple Queue Service is a highly scalable service to help cloud-based applications use a queuing system which is reliable & scalable....
PDO or PHP Data Objects is a data abstraction layer, i.e. it provides uniform methods to access different types of databases, as a result...
HMAC stands for Hash-base Message Authentication Code, it is key based message digest algorithm which can be used for verifying the integrity of...
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