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  2. Year 2038 problem - Wikipedia

    en.wikipedia.org/wiki/Year_2038_problem

    The XFS filesystem, starting with Linux 5.10, has an optional "big timestamps" feature which extends the timestamp range to the year 2486. [ 27 ] While the native APIs of OpenVMS can support timestamps up to 31 July 31086, [ 28 ] the C runtime library (CRTL) uses 32-bit integers for time_t . [ 29 ]

  3. Leap year problem - Wikipedia

    en.wikipedia.org/wiki/Leap_year_problem

    The leap year problem (also known as the leap year bug or the leap day bug) is a problem for both digital (computer-related) and non-digital documentation and data storage situations which results from errors in the calculation of which years are leap years, or from manipulating dates without regard to the difference between leap years and common years.

  4. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    The date timestamps stored in FAT filesystems, originally introduced with 86-DOS 0.42 in 1981 and carried over into MS-DOS, PC DOS, DR-DOS etc., will overflow at the end of 31 December 2107. [5] The last modification date stamp (and with DELWATCH 2.0+ also the file deletion date stamp, and since DOS 7.0+ optionally also the last access date ...

  5. Prepared statement - Wikipedia

    en.wikipedia.org/wiki/Prepared_statement

    Major DBMSs, including SQLite, [5] MySQL, [6] Oracle, [7] IBM Db2, [8] Microsoft SQL Server [9] and PostgreSQL [10] support prepared statements. Prepared statements are normally executed through a non-SQL binary protocol for efficiency and protection from SQL injection, but with some DBMSs such as MySQL prepared statements are also available using a SQL syntax for debugging purposes.

  6. List of tz database time zones - Wikipedia

    en.wikipedia.org/wiki/List_of_tz_database_time_zones

    Etc/GMT+5: Canonical −05:00: −05:00-05 etcetera Sign is intentionally inverted. See the Etc area description. Etc/GMT+6: Canonical −06:00: −06:00-06 etcetera Sign is intentionally inverted. See the Etc area description. Etc/GMT+7: Canonical −07:00: −07:00-07 etcetera Sign is intentionally inverted. See the Etc area description. Etc ...

  7. Timestamp - Wikipedia

    en.wikipedia.org/wiki/Timestamp

    A timestamp is a sequence of characters or encoded information identifying when a certain event occurred, usually giving date and time of day, sometimes accurate to a small fraction of a second. Timestamps do not have to be based on some absolute notion of time, however.

  8. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    UUIDv7 begins with a 48 bit big-endian Unix Epoch timestamp with approximately millisecond granularity. The timestamp can be shifted by any time shift value. Directly after the timestamp follows the version nibble, that must have a value of 7. The variant bits have to be 10x. Remaining 74 bits are random seeded counter (optional, at least 12 ...

  9. Unix time - Wikipedia

    en.wikipedia.org/wiki/Unix_time

    Unix time is used in the PE format for Windows executables. [21] Unix time is typically available in major programming languages and is widely used in desktop, mobile, and web application programming. Java provides an Instant object which holds a Unix timestamp in both seconds and nanoseconds. [22] Python provides a time library which uses Unix ...