Ruby2009-03-03
Using Forwardable in Ruby
Forwardable makes building a new class based on existing work, with a proper interface, almost trivial. We want to rely on what has come before obviously, but with delegation we ca
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Ruby2009-03-03
Using Generator in Ruby
Generator converts an internal iterator (i.e. an Enumerable object) to an external iterator. Note that it is not very fast since it is implemented using continuations, which are cu
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Using GServer in Ruby
GServer implements a generic server, featuring thread pool management, simple logging, and multi-server management. See xmlrpc/httpserver.rb in the Ruby standard library for an exa
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Using Observer in Ruby
The Observer pattern, also known as Publish/Subscribe, provides a simple mechanism for one object to inform a set of interested third-party objects when its state changes.
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Sending emails using SMTP in Ruby
You must open a connection to an SMTP server before sending messages. The first argument is the address of your SMTP server, and the second argument is the port number. Using SMTP.
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Reading emails using POP3 in Ruby
Messages are written to files named ‘inbox/1', ‘inbox/2', .… Replace ‘pop.example.com' with your POP3 server address, and ‘YourAccount' and ‘YourPassword' with the appr
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Ruby2009-03-03
IMAP in Ruby
An IMAP client connects to a server, and then authenticates itself using either authenticate() or login(). Having authenticated itself, there is a range of commands available to it
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Using Proxy to connect to URLs in Ruby
Net::HTTP.Proxy creates http proxy class. It has same methods of Net::HTTP but its instances always connect to proxy, instead of given host.
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POST a form in Ruby
This sample code is used to post a form data to an URL.
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Reading URL content using Ruby (HTTP)
These examples are ruby sample code to access any http web page and read its contents
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FTP using Ruby
This class implements the File Transfer Protocol. If you have used a command-line FTP program, and are familiar with the commands, you will be able to use this class easily. Some e
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Security in dRuby
As with all network services, security needs to be considered when using dRuby. By allowing external access to a Ruby object, you are not only allowing outside clients to call the
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