How many angels can dance on the head of a pin? dancing on a needle's point occurs in an expository work by the English divine, William Sclater (1575-1626). In "An exposition with notes vpon the first Epistle to the Thessalonians" (1619), Sclater claimed that scholastic philosophers occupied themselves with such pointless questions as whether angels "did occupie a place; and so, whether many might be in one place at one time; and how many might sit on a Needles point; and six hundred such like needlesse points." Harrison proposes that the reason an English writer first introduced the "needle’s point" into a critique of medieval angelology is that it makes for
Front and back ends end and a back end. The "front" is an abstraction, simplifying the underlying component by providing a user-friendly interface, while the "back" usually handles business logic and data storage. In telecommunication, the "front" can be considered a device or service, while the "back" is the infrastructure that supports provision of service. A rule of thumb is that the front (or "client") side is any component manipulated by the user. The server-side (or "back end") code usually resides on the server, often far removed physically from the user. Another way to understand the difference between the two is to understand the