Recently I was talking to a colleague who is still in school and he mentioned a new blog post he had written about string search. He had implemented a brute force search and so I told him about faster algorithms that he should consider, specifically mentioning the Knuth-Morris-Pratt algorithm. He read up on it at …
A common simple interview question is to explain the difference between “call by value” and “call by reference”. This refers to the way arguments are passed to functions. In call by value, a copy of the argument is made and given to the function so that any changes made to the argument affect only the …
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In interviews for programming positions, it is common for the interviewer to present a small programming problem and see what kind of solution the candidate comes up with. These problems help to reveal how the candidate thinks about solving problems, and also provide a chance to show basic coding competency. These problems can also be …