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Tag Archive 'database'

Very often I found on the web ContentProvider examples based on a SQLite table that describes, as a constraint, to have a column named _id to be used as primary key. Also the official Android Dev Guide introducing in Creating a Content Provider tells to Be sure to include an integer column named “_id” (with [...]

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Speed up web session access

I recently solved a problem common to many heavy used web application following an idea of a friend of mine. The problem is how to efficently manage the sessions of a web application when the number of them is high (500,000 for example) and the use of them his quite frequent (˜50,000 pages/day in my [...]

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