blog.csdn

hashcode()方法 （必掌握）

1、hash和hash表是什么？ hash是一个函数，该函数中的实现就是一种算法，就是通过一系列的算法来得到一个hash值。这个时候，我们就需要知道另一个东西，hash表，通过hash算法得到的hash值就在这 ...
bilibili

[Java8源码]HashMap的key的哈希值为什么是(h = key.hashCode()) ^ (h >>> 16)

为什么不是直接使用key.hashCode()，而是(h = key.hashCode()) ^ (h >>> 16)? 官方的解释：Because the table uses power-of-two masking, sets of hashes that vary only in bits above the current mask will always ...
GitHub

Google HashCode utils for Kotlin

A reader to easily map the input file to your classes representing the problem A writer to deal with the output file I/O and let you focus on the problem A runner that takes care of solving each input ...
gist.github

Hashcat Example hashes

5200 Password Safe v3 https://hashcat.net/misc/example_hashes/hashcat.psafe3 5300 IKE-PSK MD5 https://hashcat.net/misc/example_hashes/hashcat.ikemd5 5400 IKE-PSK SHA1 ...
blog.csdn

深入理解 Java 中的 hashCode

本内容遵循CC 4.0 BY-SA版权协议 本文详细介绍了Java中hashCode方法的作用，它是如何配合哈希表如HashMap工作，以及为什么在重写equals方法时必须重写hashCode方法。文章通过示例解释了如果不重写 ...
Hacker

A Hacker Tried to Steal $566M by Exploiting a Code Smell, Here's How

I’m a sr software engineer specialized in Clean Code, Design and TDD Book "Clean Code Cookbook" 500+ articles written Yesterday, 2022 Oct 7th one of the larger blockchains had to be halted. This news ...
Hacker

A Quick Tutorial to Hashcode and Equals Debugging

A few weeks ago I ran into this story on reddit that discusses the problem with using the URL class as a key in a Map. This boils down to a remarkably slow implementation of the hashcode() method in ...
IEEE

Contrast-Based Unsupervised Hashing Learning With Multi-Hashcode

Abstract: Due to high storage and calculation efficiency, hash-based methods have been widely used in image retrieval systems. Unsupervised deep hashing methods can learn the binary representations of ...
blog

Google’s Hash Code competition is back

Calling all coders: Hash Code, Google’s annual team programming competition, is back for 2020⁠—and you can register today at g.co/hashcode. Hash Code was created back in 2014 by a few engineers in the ...
blog

Three reasons to participate in Hash Code this year

Hash Code, Google’s team programming competition, is back...and this time, it’s going global. Think you could optimize video serving on YouTube? Or how about route Loon balloons to provide Internet ...