I would like to implement a java application (server application) that can do开发者_运维知识库wnload a new version (.jar file) from a given url, and then update itself at runtime.
I want to implement a Producer - Consumers pattern using a ThreadPool for the Consumers.I will have 1 producer of requests and multiple consumers that will handle the incoming requests.When Implement
I\'ve to import a file from an external source to a postgresql table. I tried to do it with \\copy from , but I keep getting errors (additional columns) in the middle of the file.
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