RoR questions

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• Unix C pipe Question
• Main differences between objects and object pointers?
• IEnumerator Purpose
• Which Data Structure used to solve a simple math equation
• Pointer to Pointer to Pointer [duplicate]
• Ruby Instance Variable Scope Question
• How can I get X, Y positions of mouse relative to form even when clicking on another control?
• C# Instance Constructor vs Static Constructor
• When and why would you upcast an object?

RoR answers