ALL meanings of flag day
flag day
F f - noun Technical meaning of flag day (jargon) A software change that is neither forward- nor backward-compatible, and which is costly to make and costly to reverse. E.g. "Can we install that without causing a flag day for all users?" This term has nothing to do with the use of the word flag to mean a variable that has two values. It came into use when a massive change was made to the Multics time-sharing system to convert from the old ASCII code to the new one; this was scheduled for Flag Day (a US holiday), June 14, 1966. See also backward combatability, lock-in. 1
- noun flag day June 14, the anniversary of the day (June 14, 1777) when Congress adopted the Stars and Stripes as the national flag of the United States. 1
- uncountable noun flag day In the United States, Flag Day is the 14th of June, the anniversary of the day in 1777 when the Stars and Stripes became the official U.S. flag. 0
- countable noun flag day In Britain, a flag day is a day on which people collect money for a charity from people in the street. People are given a small sticker to wear to show that they have given money. 0
- noun flag day a day on which money is collected by a charity and small flags, emblems, or stickers are given to contributors 0
- noun flag day June 14, the annual holiday in the US to celebrate the adoption in 1777 of the Stars and Stripes 0
- noun flag day June 14, anniversary of the day in 1777 when the U.S. flag was adopted 0
- noun flag day in England, any day when people give to some special fund for charity and get small flags in token of their contribution 0