operationalerror exceptiondatabase api operator module alternative to lambda use in optimization operator overloading example of order of operands reversed operands type coercion operators mathematical precedence of optimization _slots_ attribute of classes array objects attribute binding - built-in types creation of instances decorators and metaclasses definition of speedup deque objects dict(function dict lookups dicts versus classes disassembly effect of adding layers exceptions - formatting of log messages functional programming impact of / polling internal type cache lists versus array objects logging module making timing measurements map(and filter(functions marshal versus pickle measuring memory use repeated timing measurements select(function sorting callback functions speedup tuning strategies use of io module use of multiprocessing pools use of operator module user defined classes optimize attributeof sys flags optimized modeenabling with an environment variable optional function arguments and none optionparser(functionoptparse module options(methodof configparser objects optionxform(methodof configparser objects optparse module example or operatorboolean expressions or_(functionoperator module _or_ (method ord(function order of evaluation attempts to modify order of operandsoperator overloading organizing code for distribution os os module os environ variable os path module oserror exception ossaudiodev module output(method of morsel objects of simplecookie objects outputstring(methodof morsel objects overflowlack of with integers overflowerror exception how can we make this index more usefulemail us at indexes@samspublishing com lib fl ff