B

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

abort method, interrupting transactions
abort_on_exception flags, threads
abstract classes 2nd
accessor_string method, defining class-level helper functions
accessors
     cweek, finding week of the year
     zone, finding time zones
ACL (access control lists)
acstime method, formatting date/time values
actions (rake utility)
ActiveLDAP
ActiveScriptRuby, scripting in Microsoft Windows
add method, mathematical sets
add_bool_config method
add_path_config method
adjacency matrixes, implementing as graphs
airline ticket example (Ruby/GTK2 GUI)
Ajax, Nitro support for
alias_method 2nd
aliases
     fail
     global methods
     global variables
     kind_of?
     methods, creating for
     range operators
alive? Instance method, threads
allocate method, uninitialized objects
Amrita
ancestors (classes), obtaining lists of
anchors
and symbol (&)
    & (AND) operator
         mathematical sets
         number bit-level operations
     && operators
and-or operators, precedence of
angle brackets (< >)
     append operators (<< >>), strings
     here-documents
     strings
AOP (aspect-oriented programming)
Apache
Apollo
app.cnf configuration file
append operators (<< >>), strings
append_features method 2nd
application layer (network programming)
ArachnoRuby
ARGF arguments
ARGF variable
ArgumentErrors
arguments
     ARGF
     ARGV
     keywords, support for
     methods
ARGV arguments
ARGV[0] command-line parameters
array expansion operators
Array#each method, measuring Ruby performance
arrays [See also variables, hashes.]
    associative [See variables, hashes.]
    converting
         objects to
         strings to
     environment variables, storing as
     examples of
     number bit arrays
     pack method, binary files
     parameters, collapsing into
     reading files into
     strings
         breaking into
         encoding/decoding base64 strings
     trees, converting to
     variables
ASCII (American Standard Code for Information Interchange)
    code conversion
         between characters and (strings)
         to characters (strings)
     I18N development
assertion methods, Test::Unit
assignment operators (reflexive)
asterisks (*)
     double asterisk (**) operators, exponentiation (numbers)
     quantifiers, regex
at symbol (@)
     class instance variables
     double at symbol (@@), prefix (variables)
atan2 function
atime method, file time stamps
Atom data format
     feedtools library
     RSS standard library 2nd
attachments, encoding/decoding
attr method, creating instance attributes
attributes
     accessors
     class attributes
     defining 2nd
     instance attributes, creating
     local variables versus
     object attributes
     readers
     writers
autotest tool (ZenTest tools)