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Hi i'm practising in creating an android application where a user can store records into an external database (my local server in myphpadmin). I can store records into the the database just fine but I wish to prevent the same information being entered twice. I wish for my system to … 
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Hey, I posted earlier about arbitrary expressions and I did find solution to that. The question is how do I create random expressions? So far I've created codes to generate random operators and random numbers, how will I generate random expressions? E.g. a1,a2,a3 are variables for random numbers I've assigned … 
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Hi, are there any Java book available for some one who has NO knowledge about programming at all? I tried books like head first java, thinking in java but they were no help. Head first java started out with coding and I just knew nothing by reading the syntax. Are … 
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Hi basically I need help java and my program is an calculator which must be able to calculate arbitrary expressions like for example (5.0+8.1)*(2.0). My program works fine it does basic things like calling upon classes etc it's just I don't know how to do the arbitrary expressions. My calculator …
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Hi, my tutor has set a coursework for us and i need help with a small part of the coursework. A small program where some one tests new programmes or you can call it benchmarking :) Basically there are 20 programmes and he sets them each of them mark out …
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