33 Matching Annotations
  1. Jan 2024
    1. The first time the ratio of length to width was written in a letter dated 25 October 1786. This letter was from the German Georg Christoph Lichtenberg to Johann Beckmann. He wrote here about the advantages of basing paper on a √2 ratio. Lichtenberg is known for the ratio between length and width of a surface which remains the same after the narrated halving of the surface. The result is 1:√2.

      Sourcing? Look this up.<br /> https://www.a5-size.com/history/

  2. Jun 2023
  3. May 2023
    1. ISO 8601 specifies the use of uppercase letter T to separate the date and time. PostgreSQL accepts that format on input, but on output it uses a space rather than T, as shown above. This is for readability and for consistency with RFC 3339 as well as some other database systems.
  4. Apr 2023
  5. Feb 2023
  6. Jan 2023
    1. The URN “urn:iso:std:iso:19719:ed-1:v1:en,fr” denotes the first version of the first edition of ISO 19719, which is published bilingually in English and French.
  7. Nov 2022
    1. The second edition was published in December 2018.

      Why would you not update this page following the publication of Edn 2 of the Standard?

  8. Oct 2022
  9. Mar 2022
  10. Jun 2021
  11. May 2021
    1. He proposed the standardized paper size system used globally today except in Canada and the US defined by ISO 216, which has A4 as the most commonly used size.

      This is an interesting bit of trivia.

  12. May 2020
    1. This document includes an Internet profile of the ISO 8601 [ISO8601] standard for representation of dates and times using the Gregorian calendar.
  13. Dec 2019
    1. Do I have to use the yyyy-mm-dd date format? Yes. That date format is defined by ISO 8601. It is an internationally accepted way to represent dates. If you don't like typing the date that way, use the due date and threshold date pickers in the task text editor.
  14. Nov 2019
  15. Sep 2018
    1. Realmente desconocía acerca de que ISO también se encargaba de certificar aspectos como la ética y los valores, en mis antiguas clases solo lo habíamos checado desde certificaciones en mejoras de los productos y/o servicios en las organizaciones.

  16. Jun 2018