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1 How to visualize decision trees Terence Parr and Prince Grover (Terence is a tech lead at Google and ex-Professor of computer/data science in University of San Francisco's MS in Data Science program and Prince is an alumnus. You might know Terence as the creator of the ANTLR parser generator.) Please send comments, suggestions, or fixes to Terence. Update July 2020 Tudor Lapusan has become a maj
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Hi there! This webpage covers the space and time Big-O complexities of common algorithms used in Computer Science. When preparing for technical interviews in the past, I found myself spending hours crawling the internet putting together the best, average, and worst case complexities for search and sorting algorithms so that I wouldn't be stumped when asked about them. Over the last few years, I
Open Data Structures covers the implementation and analysis of data structures for sequences (lists), queues, priority queues, unordered dictionaries, ordered dictionaries, and graphs. Data structures presented in the book include stacks, queues, deques, and lists implemented as arrays and linked-lists; space-efficient implementations of lists; skip lists; hash tables and hash codes; binary search
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A 2011 attack breaks preimage resistance for 57 out of 80 rounds of SHA-512, and 52 out of 64 rounds for SHA-256.[1] Pseudo-collision attack against up to 46 rounds of SHA-256.[2] SHA-256 and SHA-512 are prone to length extension attacks. By guessing the hidden part of the state, length extension attacks on SHA-224 and SHA-384 succeed with probability 2â(256â224) = 2â32 > 2â224 and 2â(512â384) = 2
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The latest news from Google on open source releases, major projects, events, and student outreach programs. At Google, we think that internet usersâ time is valuable, and that they shouldnât have to wait long for a web page to load. Because fast is better than slow, two years ago we published the Zopfli compression algorithm. This received such positive feedback in the industry that it has been in
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