哈希表（hash table）是计算机科学中最基础也最重要的数据结构之一，它的历史可以追溯到 20 世纪 50 年代早期。哈希表的核心思想是通过一个哈希函数，将任意范围的键值映射到一个固定大小的数组空间中。 图丨一个作为哈希表的小型电话簿（来源：WikiPedia ...

People have been working on perfecting hashing since computing's early days. The result has been an almost endless number of hashing methods and tables. Facebook has faced this problem as well. Within ...

自计算机科学诞生之初，哈希表（Hash Table）便被奉为基石型数据结构，地位毋庸置疑 ～ 哈希表的应用之广泛，无需赘言。 从诞生至今，它一直是现代计算系统的基石，数据库管理系统、网络路由设备，乃至编程语言底层实现，无不依赖于哈希表。 然而，最近 ...

In this next installment of my ongoing PowerShell series, I want to focus on putting PowerShell objects to work for you. Let me warn you in advance, however: Put on your advanced thinking caps for ...

A lookup table that is designed to efficiently store non-contiguous keys (account numbers, part numbers, etc.) that may have wide gaps in their alphabetic or numeric sequences. THIS DEFINITION IS FOR ...

The first time I heard about hash tables was after taking a compilers course during my BSc. The truth is, I was not able to understand and appreciate their usefulness fully back then. Now that I know ...

In the world of decentralization, distributed hash tables (DHTs) recently have had a revolutionary effect. The chaotic, ad hoc topologies of the first-generation peer-to-peer architectures have been ...