Download Practical Ruby Gems by David Berube PDF

By David Berube

Practical Ruby Gems is a finished consultant to using and developing Ruby Gems—ready-made Ruby code modules that may be simply extra to Ruby and Rails tasks. This publication is perfect for Ruby programmers in addition to internet builders who use Rails and need to increase the performance in their projects.

You'll get a chief choice of 34 of the easiest and most precious gemstones, which makes up the middle of this publication. every one of those additionally comes entire with genuine use circumstances and code examples for you to use instantly on your personal projects.
Table of Contents
* what's RubyGems?
* fitting RubyGems
* utilizing RubyGems on your Code
* coping with put in Gem types
* information entry with the ActiveRecord Gem
* effortless textual content Markup with the BlueCloth Gem
* growing net functions with camping out
* growing Command-Line Utilities with cmdparse
* HTML Templating with erubis
* Parsing Feeds with feedtools
* growing Graphical person Interfaces with fxruby
* Retrieving inventory charges with YahooFinance
* Parsing HTML with hpricot
* Writing HTML as Ruby with Markaby
* Parsing CSV with fastercsv
* a number of Dispatch with multi
* Serving internet functions with mongrel
* moving documents Securely with net-sftp
* Executing instructions on distant Servers with net-ssh
* Validating charge cards with creditcard
* Writing PDFs with pdf-writer
* dealing with routine occasions with runt
* development web pages with Rails
* Automating improvement projects with rake
* Manipulating pictures with RMagick
* dashing Up internet purposes with memcache-client
* coping with Zip records with rubyzip
* dashing Up functionality Calls with memoize
* Tagging MP3 documents with id3lib-ruby
* Shortening URLs with shorturl
* developing Standalone Ruby functions with rubyscript2exe
* cleansing soiled HTML with tidy
* Parsing XML with xml-simple
* developing Our personal gemstones
* dispensing gem stones

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Practical Ruby Gems

Useful Ruby gemstones is a complete consultant to using and growing Ruby Gems—ready-made Ruby code modules that may be simply further to Ruby and Rails initiatives. This publication is perfect for Ruby programmers in addition to internet builders who use Rails and need to increase the performance in their initiatives.

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Sample text

The HTML is then printed to the screen using puts. txt. Listing 6-2. txt #Why you should use Ruby.

However, if you are writing a program that isn’t packaged in a gem and you need a particular version for it, you may need to install an older gem version. If you’d like to install an older gem version manually, you can use the gem install command with the -v option to manually tell RubyGems which version you’d like to install. 5... 5... 0" cmdparse' Technically the double quotes aren’t necessary with the gem command, but without them your shell or command prompt will think it’s an I/O redirection.

Listing 6-2. txt #Why you should use Ruby.

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