Sample Code: prevent web page overwrites

Below are some interesting problems and solutions that I have come accross. Problem: In a web based system how to you prevent multiple updates to the same record by different users seeing potentially different data. This is a play on the old airline reservation problem you find in older computer science text books. If  there is one ...

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Work...
 “Who am I and Why and I here?” – Adm. Stockdale VP Debates. Currently I work as a senior PHP developer at  a a/v integration firm in NJ. My role there is as a senior architect and developer responsible for building and maintaining  a modern web-based operations system. The system is used by the company to track projects, estimates  purchasing , ...