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Hello there, I need a help form u guys, thanks advance~ I need to use JAVA to do a [COLOR="Red"]PC application[/COLOR] which can accept/receive data [COLOR="Red"]from a mobile device using Bluetooth[/COLOR] through some Bluetooth device plug on the PC. I am using Netbean now and trying the JSR 82, but … 
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Hello there, I met a problem which is to update inputs in a text file, but every time I update is only insert the data, not update. May anyone give me some advises? Thanks~ [code] string input; ifstream fin; ofstream fout; string title,author,category; float price; fin.open("library.txt"); cout << "******Update Book******"<<endl; … 
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Hello there, I need to write a function that insert new data into a text file, and I manage to do that, but only for the first row.... When I close my program, and reopen it to key in a 2nd input, it will simplely overwrite my 1st input. how …
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Hello there, I recently need to use c++ to do a project, and I occur some problems, hoping can get some advices from here, many thanks! My project allow a user to input a number and i need to retrieve the data from a text file. My text file's data …
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