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A UUID is a 128-bit label used for information in computer systems. Learn about the history, standards, formats and examples of UUIDs, including the legacy Apollo NCS UUID and the OSF DCE UUID.
Hi/Lo is an algorithm and a key generation strategy used for generating unique keys for use in a database as a primary key. It uses a sequence-based hi-lo pattern to generate values. Hi/Lo is used in scenarios where an application needs its entities to have an identity prior to persistence. It is a value generation strategy.
Thread-local storage (TLS) is a memory management method that uses static or global memory local to a thread. Learn how TLS works in different programming languages and platforms, and see examples of its usage and applications.
Snowflake IDs are a form of unique identifier used in distributed computing, created by Twitter and used for tweets. They consist of a timestamp, a machine ID, and a sequence number, and can be sorted by time and calculated from the ID.
Yeoman is a command-line interface for Node.js that generates templates, manages dependencies, tests, and optimizes web applications. It is an open source project with over 5600 generators created by the community.
Learn how to use factory methods to create objects without specifying their exact classes in object-oriented programming. See examples in C++, C#, Java and Python.
An abstract syntax tree (AST) is a data structure that represents the structure of a program or code snippet. Learn how ASTs are used in compilers, program analysis, and other applications, and see examples and references.
A unique identifier (UID) is an identifier that is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. Learn about the different types of UIDs, such as serial numbers, random numbers, hash functions, and UUIDs, and see examples from various domains.