31 karma · joined May 15, 2013
Another answer is to mark nodes using the low bits of the next pointer. Also linear time, but also requiring clean up. I can see how not knowing c would cause people to think this question was somewhat unfair, but I didn't see it that way.
It speaks to an important and specific norm for programmers. Plus, it doesn't read like the setup for a Greek tragedy, where hubris and self fulfilling prophecy loom large.
That guy was a useless jerk. (As a teacher.) I did have professors that were useful jerks ... Difficult homework every single class with spot on directed feedback by the very next class. Unfortunately teaching well at a research university is just a mark of being eccentric. It seems to be negatively correlated with getting tenure. The 'useful jerk' already had tenure. He was mean, but an awesome teacher.
I'd claim Krugman is arguing against cryptocurrency in general rather than Bitcoin specifically.
The affordances provided cryptocurrency are new. It's a fair bet that will provide value.
How many factors currently contributing to the value of the US dollar were in place within the first decade of its existence?
I'd also claim the libertarian hopes for cryptocurrency are overblown, though they are definitely contributing to its current level interest.
This delays payment until 2 of the three parties sign off. From the buyer's point if view that is reversibility. From the sellers point of view this is a delay in getting paid.
Some coding questions as asked in interviews are actually riddles in practice because the interviewer is unskilled. Those 'coding questions' are worse than the obviously bad riddles because it is harder to tell that the feedback is slanted.
By far the thing of most concern for me would be the channel guide, and that is not addressed here.