Ruby Phrasebook

Counting Lines in a File 84 Head or Tail of a File 84 MD5 or SHA1 Hash 85 Simple HTTP Fetch 86 Simple TCP Connect 87 Escaping HTML 87 Deleting Empty Directories 88 Adding Users from a Text File 88 Delete All the Files Just Extracted 89 9 Processing XML 91 Opening an XML File 92 Accessing an Element (Node) 93 Getting a List of Attributes 95 Adding an Element 96 Changing an Element's Enclosed Text 97 Deleting an Element 98 Adding an Attribute 98 Changing an Attribute 99 Deleting an Attribute 99 Escaping Characters for XML 100 Transforming Using XSLT 100 Validating Your XML 102 A Simple RSS Parser 103 10 Rapid Applications Development with GUI Toolkits 107 A Simple GTK+ Hello World 108 Using Glade 110 A Simple Qt Hello World 115 Attaching a Signal Handler to a Qt Widget Slot 116 Using Qt Designer 118 Attaching Signal Handlers to Qt Designer Generated Code 124 11 Simple CGI Forms 127 Processing a Web Form 128 Returning Tabled Results 131 Escaping Input 134 Locking Down Ruby 136 Receiving an Uploaded File 137 Representing Data Graphically 138 12 Connecting to Databases 143 Opening (and Closing) a MySQL Database Connection 144 Creating a Table 145 Getting a List of Tables 146 Adding Rows to a Table 146 Iterating Over Queried Rows 147 Deleting Rows 147 Deleting a Table 148 13 Working with Networking and Sockets 151 Connecting to a TCP Socket 152 Running a TCP Server on a Socket 153 Serializing Objects with YAML 156 Network Objects with Distributed Ruby 158 Using Net::HTTP 159 Using Webrick 160 14 Working with Threads 163 Creating a Thread 164 Using a Timer 165 Killing a Thread 168 Synchronizing Thread Communication 169 Multithreaded Exception Gathering 172 15 Documenting Your Ruby 175 Documenting Ruby Code 176 Typographic Conventions Used 177 Overriding Method Signatures in Documentation 179 Hiding a Module, Class, or Method 180 Providing Program Usage Help 180 Generating HTML Documentation 182 Generating and Installing Documentation for ri 183 16 Working with Ruby Packages 185 Installing a Module 187 Removing a Module 188 Searching for a Module 188 Updating Modules 188 Examining a Module 189 Packaging Your Module with Hoe 189 Creating a Simple Test Case 190 Distributing Your Module on RubyForge 191 Making Rakefile Standalone 192 Index 195