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Just One Instance Please. Cool Trick

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James Robertson

Posts: 29924
Nickname: jarober61
Registered: Jun, 2003

David Buck, Smalltalker at large
Just One Instance Please. Cool Trick Posted: Nov 20, 2003 1:20 PM
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This post originated from an RSS feed registered with Agile Buzz by James Robertson.
Original Post: Just One Instance Please. Cool Trick
Feed Title: Travis Griggs - Blog
Feed URL: http://www.cincomsmalltalk.com/rssBlog/travis-rss.xml
Feed Description: This TAG Line is Extra 		Latest Agile Buzz Posts
Latest Agile Buzz Posts by James Robertson
Latest Posts From Travis Griggs - Blog

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Just heard about this trick. It's a solution for the how do you limit a program to just one running instance. The solution is that you open a client socket connection to some port, if you connect, then you exit. Otherwise you open a server socket on the same port. See how it works? Cool huh?

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