public static String reverseDigits(int num) {
if (num < 0) {
return reverseDigits(-num) + "-";
}

if (num == 0) {
return "0";
}

if (num < 10) {
return Integer.toString(num);
}

return (num % 10) + reverseDigits(num / 10);
}

Can you spot the bug?

(Hint: it's a stack overflow issue.)

I feel obliged to post: there have been many, many starts of posts forming in my head for the past couple weeks ( Read more... )

• find small, lightweight, inexpensive digital camera
• develop a controller for the camera
• protect the camera from cat attack
• mount equipment to cat

Wow.

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So I need to learn Ruby to work on the new automated deployment system, and I asked Brian for a good tutorial. He gave me this:

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