this sentence is about programming, but I don't know what the meaning of "spin up" as follows is.

We're doing that by using a class from Microsoft.AspNetCore.Hosting, and that is the web host class that has a static method that makes this easy to "spin up" a web server, it's called CreateDefaultBuilder, and once I have a web host builder, I need to configure that builder a little bit.

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    "Spin up", in this context, relies on two separate metaphors. "Spinning" is the first step in making cloth from fleece or cotton. (OK, "carding" comes first, but everyone ignores that.) And when you play a "record" (remember those?) you "spin up" the platter before placing the needle on the record. Both convey a sense of getting things started, and so "spin up" means "get started" in a number of industries. – Hot Licks May 27 '18 at 12:42
  • @HotLicks care to write that up as an answer? – arp Jun 10 '18 at 0:58

To spin up a web server (a software application) is to create it rapidly.

Definition of spin

transitive verb

1 a : to draw out and twist into yarns or threads b : to produce by drawing out and twisting a fibrous material

2 : to form (something, such as a web or cocoon) by spinning

3 a : to stretch out or extend (something, such as a story) lengthily : protract —usually used with out b : to evolve, express, or fabricate by processes of mind or imagination spin a yarn

4 : to cause to whirl : impart spin to spin a top

5 : to shape into threadlike form in manufacture; also : to manufacture by a whirling process

6 : to set (records or compact discs) rotating on a player : play spin some discs

7 : to present (information) with a particular spin spin the statistics

Spin (Merriam-Webster)

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    This might be more useful if you explained how the dictionary definition of "spin" you have quoted relates to the colloquial "spin up". – arp Jun 10 '18 at 0:57

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