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A UUID is 128 bits in size, in which 2 to 4 bits are used to indicate the format's variant. The most common variant in use, OSF DCE, additionally defines 4 bits for its version. The use of the remaining bits is governed by the variant/version selected.
This example implementation includes a static method which can be used to initialize a new instance with a randomly generated universally unique identifier (UUID). from dataclasses import dataclass import uuid @dataclass ( frozen = True ) class UserId : """Represents a user identifier.""" id : uuid .
The password file maps textual user names to UIDs. UIDs are stored in the inodes of the Unix file system , running processes, tar archives, and the now-obsolete Network Information Service. In POSIX -compliant environments, the shell command id gives the current user's UID, as well as more information such as the user name, primary user group ...
names or codes allocated using a regime involving multiple (concurrent) issuers of unique identifiers that are each assigned mutually exclusive partitions of a global address space such that the unique identifiers assigned by each issuer in each exclusive address space partition are guaranteed to be globally unique.
URN—Uniform Resource Name; USB—Universal Serial Bus; usr—User System Resources; USR—U.S. Robotics; UTC—Coordinated Universal Time; UTF—Unicode Transformation Format; UTP—Unshielded Twisted Pair; UTRAN—Universal Terrestrial Radio Access Network; UUCP—Unix to Unix Copy; UUID—Universally Unique Identifier; UUN—Universal User Name
Java Authentication and Authorization Service, or JAAS, pronounced "Jazz", [1] is the Java implementation of the standard Pluggable Authentication Module (PAM) information security framework. [2] JAAS was introduced as an extension library to the Java Platform, Standard Edition 1.3 and was integrated in version 1.4.
An opportunity to raise a "File Download" dialogue box for a known MIME type with binary format or suggest a filename for dynamic content. Quotes are necessary with special characters. Content-Disposition: attachment; filename="fname.ext" Permanent RFC 2616, 4021, 6266: Content-Encoding: The type of encoding used on the data. See HTTP compression.
A snippet of Java code with keywords highlighted in bold blue font. The syntax of Java is the set of rules defining how a Java program is written and interpreted. The syntax is mostly derived from C and C++. Unlike C++, Java has no global functions or variables, but has data members which are also regarded as global variables.