In Unix shells, # is positioned by convention at the conclusion of a command prompt to denote the consumer is working as root.
The time period is derived from your stripes on a armed service uniform, when often called a hash. This practice commenced inside the early 1900s, however the hash didn’t seek advice from the # image until finally the nineteen eighties.
It could be strange to need the hash or variety sign in formal producing, for instance an essay. even so, as in-depth earlier mentioned, this image has various works by using in several contexts. Using the hash sign to exchange the term “quantity” is typical in less formal creating, so it is ok to employ it as long as:
This comedic software from the hashtag also applies when It can be spoken out loud for the reason that, definitely, the team and search operation of a hashtag isn't possible to attain in speech.
the usage of hashtags also reveals what thoughts or sentiment an creator attaches to a statement. This will range from the plain, the place a hashtag instantly describes the condition of mind, to the less obvious.
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This notation is just in some cases useful for finite sets, usually in amount principle, to stop confusion with the divisibility symbol, e.g. a ∣ b \displaystyle a\mid b
could very easily be perplexed with the British currency. And of course, the # symbol is sometimes spoken given that the word “amount,” as in “#two pencil.”
has referred to stripes on military jackets because as early as 1910. But, from the eighties, people commenced utilizing hash
Most scholars believe the term was invented by employees on the Bell Telephone Laboratories by 1968,[32] who desired a word to the image on the phone keypad. Don MacPherson is alleged click here to own designed the term by combining octo and the last name of Jim Thorpe, an Olympic medalist.[33] Howard Eby and Lauren Asplund claim to get invented the word as a joke in 1964, combining octo Along with the syllable therp which, due to "th" digraph, was challenging to pronounce in several languages.[34] The Merriam-Webster New e-book of term Histories, 1991, has a lengthy report which is in step with Doug Kerr's essay,[34] which suggests "octotherp" was the initial spelling, and the term arose while in the nineteen sixties among the phone engineers like a joke.
Hashtags intended for dialogue of a selected party are inclined to use an obscure wording to avoid being caught up with generic discussions on similar subjects, such as a cake Pageant making use of #cakefestival rather than simply #cake.
If utilizing hex numbers, you will need to place an x quantities, you will need to area an x concerning the variety sign along with the selection.
Organizers with the 2028 summertime online games will make an effort to re-make the town’s public transport heyday with the early twentieth century, but ousting the vehicle—even for just some months—will be highly-priced.
Some have challenged this idea on the symbol’s origin, noting an absence of direct proof for that evolution. as a substitute, some scholars counsel that the selection sign arose independently and have become conflated Along with the image for your pound sterling with the appearance of telecommunications in the nineteenth century.