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" Foo , Bar , Baz , Calc " , but independend of which lib exists , the result is the same as trying the latter load alone , except for the fact that one of Bar or Baz might be loaded needlessly in an intermidiate step ( and thus hang around and waste memory ) . When they are used programmatically , then the driver code must be loaded before the module that is using it . It is stored as the function definition of a symbol as a placeholder for the real definition ; it says that the real definition is found in a file of Lisp code that should be loaded when necessary . To address this issue , the mod_authz_default module becomes very important and must be loaded . The variable resolveIt is a flag to tell the class loader that classes referenced by this class name should be resolved ( that is , any referenced class should be loaded as well ) . Moreover , only one copy of a subprogram need be loaded into memory for execution by multiple users . Deficiencies : All libs must be loaded now before the session is started so if you start a session with a app lib you must name it and the app must out and die or else the session wo n't stick if it returns and then you must use cookies instead . It is described in a " branch config file " using a set of classes provided by the VLT class library and should be loaded on the database before loading any other branch requiring scan links . For most people you will want to use the default which will get loaded automatically and the default will change when new versions are installed and tested . In addition , there are several pieces of software that must be loaded on the machines in order to run the Integrated System system and its query tool , Discoverer . The embryos should be loaded with 30 mL of culture media . The boxes should be loaded in the old premises and unloaded in the new premises as soon as possible . Therefore the lculog task must be loaded and spawned before the MEN Analog and Digital I / O driver is used .