T

(tab), Double-quoted string literals, Double-quoted string literals

-T option, Miscellaneous Options

tab, Whitespace, Double-quoted string literals, Double-quoted string literals

escape, Double-quoted string literals

tables (hash), Hash Codes, Equality, and Mutable Keys

tainted data, Tainted Data

tainted? method, Tainted and Untrusted Objects

take method (Enumerable), Selecting subcollections

take_while method (Enumerable), Selecting subcollections

TCPServer class, A Very Simple Server

TCPSocket class, A Very Simple Client

TCPSocket.open method, A Very Simple Client

terminated normally thread state, Querying thread state

terminated with exception thread state, Querying thread state

test method (Kernel), Testing Files

text, Text–Arrays, Formatting Text, Formatting Text, Streams and text-processing globals

(see also strings)

formatting, Formatting Text

global, Streams and text-processing globals

text processing options, Text Processing Options

thawing objects, Freezing Objects

Thread class, Threads for Concurrency, Threads and Concurrency, Thread preemption and Thread.pass, Listing Threads and Thread Groups

list method, Listing Threads and Thread Groups

new method, Threads for Concurrency, Threads and Concurrency

pass method, Thread preemption and Thread.pass

Thread.abort_on_exception method, Threads and unhandled exceptions

Thread.new method, Threads for Concurrency

ThreadGroup.list method, Listing Threads and Thread Groups

threads, Threads for Concurrency, Thread Safety with Synchronized Blocks, Threads and Concurrency–Condition Variables and Queues, Thread Lifecycle, Threads and Variables, Thread Scheduling, Thread States, Thread Exclusion and Deadlock

exclusion and deadlock, Thread Exclusion and Deadlock

of execution, Threads for Concurrency

lifecycle, Thread Lifecycle

safety, Thread Safety with Synchronized Blocks

scheduling, Thread Scheduling

states, Thread States

variables and, Threads and Variables

throw statement, Altering Control Flow, throw and catch

tilde, Operators (see ~)

Time class, Dates and Times

times method, Blocks and Iterators

times method (Integer), Iterators and Enumerable Objects

tokens, Lexical Structure

top-level environment, The Top-Level Environment–Practical Extraction and Reporting Shortcuts

TOPLEVEL_BINDING constant, Top-Level Constants

to_a method, Creating arrays

arrays and, Creating arrays

to_a method (Enumerable), Iterating and converting collections

to_ary method, Implicit conversions

to_enum method, Enumerators

to_hash method, Implicit conversions

to_int method, Implicit conversions

to_path method, Files and Directories

to_proc method (Symbol), Symbols, Methods, and Procs

to_s method, Boolean type conversions, Defining a to_s Method, Miscellaneous hash methods

to_s method (Object), Object Conversion

to_set method (Enumerable), Creating sets

to_sym method (String), Symbols

trace_var method (Kernel), Tracing

tracing, Tracing

TRUE constant, Top-Level Constants

true keyword, True, False, and Nil, Literals and Keyword Literals

Try Ruby tutorial, More Ruby Tutorials

TypeError, Handling exceptions by type

types (objects), Object Class and Object Type, Types, Classes, and Modules–Evaluating Strings and Blocks