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(转自) http://moodycamel.com/blog/2013/a-fast-lock-free-queue-for-c++ Sharing data between threads in annoying. Really annoying. If you do it wrong, the 阅读全文
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Hangman is a paper and pencil guessing game for two or more players. One player thinks of a word, phrase or sentence and the other tries to guess it b 阅读全文
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https://www.interviewcake.com/question/java/url-shortener You know, like bit.ly. Let's call it ca.ke! Step 1 is to scope the project. System design qu 阅读全文
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What is the difference between ostream and ostringstream? Put succinctly: ostringstream provides a streambuf, ostream requires the user to provide one 阅读全文
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Two basic methods; separate chaining and open address. Separate Chain Hangs an additional data structure off of the buckets. For example the bucket ar 阅读全文
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priority_queue<Point, vector<Point>, pqCmp> struct pqCmp { bool operator() (const Point& a, const Point& b) const { return distance(a,center) < distan 阅读全文
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To solve the "Find K nearest Points" problem. O(n) time complexity 阅读全文
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http://www.cs.cmu.edu/afs/cs.cmu.edu/academic/class/15251-f07/Site/Materials/Lectures/Lecture02/lecture02.pdf 阅读全文
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AS A BEGINNER, WHICH SHOULD I LEARN? Python2 is the winner...for now. “Python 3 is a nicer and more consistent language, BUT, there is very limited th 阅读全文
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Python开发人员有大量的框架可供选择来用于他们的Web项目。不过，现在Django毫无疑问已成为世界上Python开发人员中最流行的Web框架。本w将来谈谈Python开发人员为什么喜欢Django而不是其他流行的Python Web框架，如Flask，Pyramid，Tornado，Bottl 阅读全文