. .}, 236
lower_item method, 97
M
macro( ), 252
macros, 61??“63
mapping option, 107
mapping parameter, 107, 108
maximum(column_name, options = {}), 232
member table, 175
members table, 170, 174, 176
Merb, 195
:message => "" method, 85
:message option, 86
metaprogramming, 110??“112
method_missing error, 177
method_missing function, 22
method_missing method, 112??“115, 169, 190
method_missing(method, *arguments,
&block), 249
methods, assertion. See assertion methods
methods, error. See error methods
migrate(direction), 249
migrate.rb file, 49
migrations, 46??“57, 193
anatomy of, 50
Domain Specific Language (DSL), 46??“47
example of, 50??“57
columns, 53??“55
managing data, 55??“57
tables, 51??“53
executing, 48??“50
outside of Ruby on Rails, 49??“50
within Ruby on Rails, 48??“49
using, 47??“48
min_messages parameter, PostgreSQL, 14
minimum(column_name, options = {}), 232
mode parameter, SQL Server, 15
model, view, controller (MVC) framework, 1
models
adding security to, 213
naming, 212
modifiers, association, 76??“79
:as, 78??“79
:association_foriegn_key, 79
:class_name, 77
:dependent, 79
finder options, 77
:foreign_key, 77
:join_table, 79
:polymorphic, 78??“79
:through, 78
move_higher method, 96, 97
move_lower method, 95, 97
move_to_bottom method, 96
move_to_top method, 96
MultiparameterAssignmentErrors error, 153
multiple databases, using with Active Record,
201??“203
multithreaded programs, using Active Record
in, 206
MVC (model, view, controller) framework, 1
mylog.
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