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by bridgeyman
4813 days ago
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My experience with technical questions during interviews is that they did not need a deep understanding of any particular technology. Instead, they mostly rely on some knowledge of algorithms and data structures. Almost all of my coding questions came from the following classes I took at MIT:
Intro to Algorithms (6.006)
Design and Analysis of Algorithms (6.046)
Mathematics for Computer Science (6.042) Take some version of those classes (maybe OCW, edX, or Coursera) and you will be good to go — at least for technical interviews. If you like reading then Introduction to Algorithms by Cormen, Leiserson, Rivest, and Stein is the book that these courses cover. |
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Try this experiment: ask someone in school who just finished a hard-sounding class (that you haven't taken yet) to interview you based on knowing answers to things they learned in class. It should sound mostly greek to you. From your perspective, you don't stand a chance of knowing the answers. But, now you know that the delta between not knowing and knowing is one semester, or if you're brilliant, two nights of cramming.
My point is, there is very little delta in what is required to prepare for an interview and what is required to prepare for year-end exams in any given subject. You don't need a lifelong working knowledge of theory. You need enough immediate knowledge of algorithms to get you past the meat-grinder. Remember how you crammed in college? You can get by most of the time by cramming hard for the interview. Also, you get partial credit for thinking out loud about the answers you're considering giving, if you're anywhere within a mile of the correct answer, the interviewers will likely give you a passing grade on the question.
Once you're inside, most of those challenging questions, well, they'll likely never come up again. Just like the stuff you "learn" in college.
Source: In my previous life, I was part of a team of developers who interviewed people for technical positions. We were mean, ruthless interviewers. I've also been through the meat-grinder myself a few times.