### Logical sum / arithmetic /product?

suppose I need to construct a truth table for some inputs and it is asking me for the logical sum, arithmetic sum, a...

### HTML5 Canvas background image?

I'm trying to place a background image on the back of this canvas script I found. I know it's something to do with t...

### How can I determine if a language is context free or not??

How can I know whether the languages are context free or not? ...

### Can someone explain how Big-Oh works with Summations??

I know this isn't strictly a programming question, but it is a computer science question so I'm hoping someone can h...

### Why is Binary Search a divide and conquer algorithm??

I was asked if a Binary Search is a divide and conquer algorithm at an exam. My answer was yes, because you divided ...

### What are the differences between NP, NP-Complete and NP-Hard??

What are the differences between NP, NP-Complete and NP-Hard? I am aware of many resources all over the web. I'd li...