Rails can help you build successful applications on IBM i by helping you fail more quickly. That might sound like an oxymoron, but let me explain: All programmers write code with bugs—even Donald Knuth, programming genius and author of "The Art of Computer Programming." Knuth once publicly said, "I'll give a dollar to anyone that finds a bug in my program." Well, I once worked with a man who kept a dollar on his wall that he'd earned finding a bug in ...

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