A method for creating a specific POSIX style locale source file, on demand, suitable for compilation in a computer is provided the method comprising, receiving a request submitted for the specific POSIX style locale, and obtaining a plurality of localization values related to the specific POSIX style locale. The invention includes implantable substance delivery devices that comprise reservoirs and barriers that control the rate at which substances pass out of the reservoirs. Furthermore, a plurality of active devices and an internal circuitry is located on the active surface of the dies. A plurality of wedges are formed on the inner surface of the outer cover and a plurality of grooves corresponding to the wedges are formed on said inner cover.