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I am beginner in ruby and I use ruby 1.9.2 in windows 7. I have a problem with installing gems.for example : 1 - when I typed gem install RedCloth , command prompt give this error: " ERROR: Error Installing RedCloth: invalid gem format for C:/Ruby192/lib/ruby/gems/1.9.1/cache/RedCloth-4.2.7-x86-mingw32.gem " 2 - and … 
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Hi I am beginner in C#.please tell me what is problem in this code : using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { string[] firstName={}; string[] lastName={}; Console.WriteLine("Please type your firstName : "); for (int i = 0; i … 
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Hello Everybody I Have A Question . Suppose That We Have This Class : ///////////////////////////////////////////////////////////////////////////// class StringClass { public: ... void someProcessing( ); ... StringClass& operator=(const StringClass& rtSide); ... private: char *a;//Dynamic array for characters in the string int capacity;//size of dynamic array a int length;//Number of characters in a …
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