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MongoDB is a source-available, cross-platform, document-oriented database program. Classified as a NoSQL database product, MongoDB uses JSON -like documents with optional schemas . Released in February 2009 by 10gen (now MongoDB Inc. ), it supports features like sharding , replication , and ACID transactions (from version 4.0).
The Hayes command set (also known as the AT command set) is a specific command language originally developed by Dale Heatherington and Dennis Hayes [1] [2] for the Hayes Smartmodem in 1981. The command set consists of a series of short text strings which can be combined to produce commands for operations such as dialing, hanging up, and ...
passwd is a command on Unix, Plan 9, Inferno, and most Unix-like operating systems used to change a user's password.The password entered by the user is run through a key derivation function to create a hashed version of the new password, which is saved.
State machine safety: if a server has applied a particular log entry to its state machine, then no other server may apply a different command for the same log. The first four rules are guaranteed by the details of the algorithm described in the previous section. The State Machine Safety is guaranteed by a restriction on the election process.
Apache Cassandra is a free and open-source database management system designed to handle large volumes of data across multiple commodity servers.The system prioritizes availability and scalability over consistency, making it particularly suited for systems with high write throughput requirements due to its LSM tree indexing storage layer. [2]
Niels Provos (Ph.D.), developer of the bcrypt adaptive cryptographic hash function for the OpenBSD operating system; author of numerous software packages, including the libevent event driven programming system, the Systrace access control system, the honeyd honeypot system, the StegDetect steganography detector, and the Bcrypt password ...
The logo of World Atlas of Language Structures website The World Atlas of Language Structures (WALS) is a database of structural (phonological, grammatical, lexical) properties of languages gathered from descriptive materials. It was first published by Oxford University Press as a book with CD-ROM in 2005, and was released as the second edition on the Internet in April 2008. It is maintained ...