Each deployment slot is like a full-fledged App Service instance. The original App Service deployment slot is also called the production slot. Deployment slots can copy the configuration (AppSettings and Connectionstrings) of the original App Service or other deployment slots. The Altair 8800 was the first slot-type expansion card bus added to a microcomputer. It was developed in 1974-1975 by IBM Corp. The expansion slot opening is generally located on the back of a PC and provides an electrical connection to the motherboard for an expansion card. Screws are then used to attach the card to the slot for added security. Although technology has completely transformed most slots, some iconic symbols have persisted through time and can still be seen on machines today. For example, the liberty bell symbol, which was on the first slot machine built in 1899, is often used on popular slots. Other classic symbols include cherries, lemons, and lucky sevens.

Avelez Hotel in Biloxi, built in the late 1920s, was one of many hotels on the Mississippi Gulf Coast that offered gambling activities. Located on Howard Street, room rates were $1.50 to $5.00, with tub or shower. It was demolished in the 1950s. Postcard courtesy Deanne Nuwer.

In early 20th century, The White House Hotel in Biloxi offered slot machines for its guest, along with dancing and golfing. Today, in early 21st century, it awaits renovation. Postcard courtesy Deanne Nuwer.

Postcard showing the entrance to the Buena Vista Hotel in Biloxi. The hotel was damaged by fire and then neglect before it was ultimately demolished. Its site is now a parking lot for the Beau Rivage Casino. Postcard courtesy Deanne Nuwer.

Out for a night in Biloxi. Gambler Bob Thompson, center, in the lobby of the Avelez Hotel cashing in his winning bet against Salvatore Joseph Sicuro. The winner got to kiss Sicuro’s wife, Josephine Louise Sicuro, left. Sicuro, rear, had his lounge business in the Avelez Hotel. Circa 1946 photograph courtesy Claude Sicuro.

Out for a night in Clarksdale, Mississippi. Gamblers in a juke joint. November 1939 photograph by Marion Post Wolcott. Courtesy Library of Congress, Prints and Photographs Division. Call No: LC-USF34-052487-D

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The Broadwater Beach Hotel was built in 1938 specifically to cater to out-of-state and Mississippi gamblers. Damaged by Hurricane Camille, the hotel was restored and still exists. Postcard courtesy Deanne Nuwer.

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Gamblers in the lobby of the Tivoli Hotel on the Gulf Coast. Late 1940s photograph courtesy Deanne Nuwer.