O

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]

n (multiplaction operator), strings
named expressions, regex
named parameters, support for
namespace management, Math modules
naming files
NANP (North American Numbering Plan) phone numbers, matching (regex)
nesting
     classes
     modules
nesting method, obtaining modules lists
network layer (network programming)
network programming
     application layer
    clients
         contacting official timeservers
         encoding/decoding attachments
         IMAP server interaction
         mail-news gateways 2nd
         number generators
         Open-URL library
         peer-to-peer servers
         POP server interaction
         retrieving web pages from URLs
         sending email via SMTP
     data link layer
     network layer
    servers
         peer-to-peer servers
         threaded servers
         time of day simple server example
     TCP
     transport layer
     UDP
new method
    files
         opening/closing
         temporary
         updating
     strings, calculating MD5 hashes
     threads, creating
newsgroups (Ruby)
next keyword, loops
nil operators, defining
nil types
Nitro
     Ajax support
     basic applications, creating
     caching actions
     compiler pipelines
     controller classes
     DHTML support
     Elements
     locales, defining
     MVC design pattern
     Og
     page requests
     parts
     template content substitution
     web pages, updating
     web resources
nonblocking I/O (input/output)
noncapturing groups
nonmodal dialogs, creating in FXRuby
normalizing Unicode strings
NOT operator, number bit-level operations
notations (regex)
Nth weekday in a month, finding
num_waiting method, threads
number generators
     buffered random example
     dice example
numbers
     base conversions
     BigDecimal objects
     bit arrays
     bit-level operations
     byte order architectures
     coercion
     complex
     concatenating to strings
     correlation coefficients
    data sets
         mean
         median
         mode
         variance
     definite integral computation
     division
     exponentiation
     Fixnums
    floating point
         comparing
         creating
         rounding
     floating point numbers
    formatting
         for output
         with commas
     fourth roots
     implicit/explicit conversion
     large integers
     logarithms 2nd
     mathn library
         prime factorization
         prime numbers
     matrices
     memorizing
     numeric constants, matching (regex)
     prime
    prime factorization
         GCD
         LCM
     random, generating
     rational values
     Roman numerals, matching (regex)
     Ruby representation of
     square roots
     strings, converting to 2nd
     tagged integers
     trig functions
     trigonometry
     underscores ( _ )
     version numbers, matching (regex)
numbers change to numerical calculations
numeric constants
Nx1 matrices, creating