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The class provides a mechanism to both convert Python literals (and their built-ins such as time/date/datetime) into equivalent RDF Literals and (conversely) convert Literals to their Python equivalent. There is some support of considering datatypes in comparing Literal instances, implemented as an override to __eq__. This mapping to and from ...
Python: datetime.now().timestamp() 1 μs (*) 1 January 1970 RPG: CURRENT(DATE), %DATE CURRENT(TIME), %TIME: 1 s 1 January 0001 to 31 December 9999 CURRENT(TIMESTAMP), %TIMESTAMP: 1 μs Ruby: Time.now() [42] 1 μs (*) 1 January 1970 (to 19 January 2038 prior to Ruby 1.9.2 [43]) Scheme (get-universal-time) [44] 1 s 1 January 1900 Smalltalk: Time ...
duration, dateTime, time, date, gYearMonth, gYear, gMonthDay, gDay, and gMonth: Calendar dates and times; hexBinary and base64Binary: binary data encoded as hexadecimal or Base64; anyURI: a URI; QName: a qualified name; NOTATION: a QName declared as a notation in the schema. Notations are used to embed non-XML data types. [18]
Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})
as a date, for example "2020-02-14" (which will be interpreted as midnight of the day in question), or as a datetime string like "2020-02-14T12:26:53+02:00" (which can be found by running rdiff-backup --list-increments <backup> first) as a time span, for example "1M" will restore the files as they were one month ago
It also supports temporal types like datetime, localdatetime, date, time, localtime, and duration. Container data types for maps and lists are available, along with graph types for node, relationship, path, and a void type. [5]
Date and time notation around the world varies.. An approach to harmonize the different notations is the ISO 8601 standard.. Since the Internet is a main enabler of communication between people with different date notation backgrounds, and software is used to facilitate the communication, RFC standards and a W3C tips and discussion paper were published.
ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data.It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1]