Ruby Cookbook (Cookbooks (OReilly)) - page 1
- Recipe 10.5. Fixing Bugs in Someone Else s Class
- Recipe 10.6. Listening for Changes to a Class
- Recipe 10.7. Checking Whether an Object Has Necessary Attributes
- Recipe 10.8. Responding to Calls to Undefined Methods
- Recipe 10.9. Automatically Initializing Instance Variables
- Recipe 10.10. Avoiding Boilerplate Code with Metaprogramming
- Recipe 10.11. Metaprogramming with String Evaluations
- Recipe 10.12. Evaluating Code in an Earlier Context
- Recipe 10.13. Undefining a Method
- Recipe 10.14. Aliasing Methods
- Recipe 10.15. Doing Aspect-Oriented Programming
- Recipe 10.16. Enforcing Software Contracts
- Chapter 11. XML and HTML
- Recipe 11.1. Checking XML Well-Formedness
- Recipe 11.2. Extracting Data from a Document s Tree Structure
- Recipe 11.3. Extracting Data While Parsing a Document
- Recipe 11.4. Navigating a Document with XPath
- Recipe 11.5. Parsing Invalid Markup
- Recipe 11.6. Converting an XML Document into a Hash
- Recipe 11.7. Validating an XML Document
- Recipe 11.8. Substituting XML Entities
- Recipe 11.9. Creating and Modifying XML Documents
- Recipe 11.10. Compressing Whitespace in an XML Document
- Recipe 11.11. Guessing a Document s Encoding
- Recipe 11.12. Converting from One Encoding to Another
- Recipe 11.13. Extracting All the URLs from an HTML Document
- Recipe 11.14. Transforming Plain Text to HTML
- Recipe 11.15. Converting HTML Documents from the Web into Text
- Recipe 11.16. A Simple Feed Aggregator
- Chapter 12. Graphics and Other File Formats
- Recipe 12.1. Thumbnailing Images
- Recipe 12.2. Adding Text to an Image
- Recipe 12.3. Converting One Image Format to Another
- Recipe 12.4. Graphing Data
- Recipe 12.5. Adding Graphical Context with Sparklines
- Recipe 12.6. Strongly Encrypting Data
- Recipe 12.7. Parsing Comma-Separated Data
- Recipe 12.8. Parsing Not-Quite-Comma-Separated Data
- Recipe 12.9. Generating and Parsing Excel Spreadsheets
- Recipe 12.10. Compressing and Archiving Files with Gzip and Tar
- Recipe 12.11. Reading and Writing ZIP Files
- Recipe 12.12. Reading and Writing Configuration Files
- Recipe 12.13. Generating PDF Files
- Recipe 12.14. Representing Data as MIDI Music
- Chapter 13. Databases and Persistence
- Recipe 13.1. Serializing Data with YAML
- Recipe 13.2. Serializing Data with Marshal
- Recipe 13.3. Persisting Objects with Madeleine
- Recipe 13.4. Indexing Unstructured Text with SimpleSearch
- Recipe 13.5. Indexing Structured Text with Ferret
- Recipe 13.6. Using Berkeley DB Databases
- Recipe 13.7. Controlling MySQL on Unix
- Recipe 13.8. Finding the Number of Rows Returned by a Query
- Recipe 13.9. Talking Directly to a MySQL Database
- Recipe 13.10. Talking Directly to a PostgreSQL Database
- Recipe 13.11. Using Object Relational Mapping with ActiveRecord
- Recipe 13.12. Using Object Relational Mapping with Og
- Recipe 13.13. Building Queries Programmatically
- Recipe 13.14. Validating Data with ActiveRecord
- Recipe 13.15. Preventing SQL Injection Attacks
- Recipe 13.16. Using Transactions in ActiveRecord
- Recipe 13.17. Adding Hooks to Table Events
- Recipe 13.18. Adding Taggability with a Database Mixin
- Chapter 14. Internet Services
- Recipe 14.1. Grabbing the Contents of a Web Page
- Recipe 14.2. Making an HTTPS Web Request
- Recipe 14.3. Customizing HTTP Request Headers
- Recipe 14.4. Performing DNS Queries
- Recipe 14.5. Sending Mail
- Recipe 14.6. Reading Mail with IMAP
- Recipe 14.7. Reading Mail with POP3
- Recipe 14.8. Being an FTP Client
- Recipe 14.9. Being a Telnet Client
- Recipe 14.10. Being an SSH Client
- Recipe 14.11. Copying a File to Another Machine
- Recipe 14.12. Being a BitTorrent Client
- Recipe 14.13. Pinging a Machine
- Recipe 14.14. Writing an Internet Server
- Recipe 14.15. Parsing URLs
- Recipe 14.16. Writing a CGI Script
