hash

简明释义

英[hæʃ]美[hæʃ]

n. 剁碎的食物；混杂，拼凑；重新表述

vt. 搞糟，把……弄乱；切细；推敲

n. （Hash）人名；（阿拉伯、保、英）哈什；（西）阿什

复 数 h a s h e s

第 三 人 称 单 数 h a s h e s

现 在 分 词 h a s h i n g

过 去 式 h a s h e d

过 去 分 词 h a s h e d

英英释义

单词用法

同义词

反义词

例句

1.Consider hash maps and other collections.

考虑哈希映射和其他集合。

2.I want grits with my eggs instead of hash browns.

我想要粗玉米粉加鸡蛋而不是土豆煎饼。

3.Then we'll get together and hash this out.

然后我们会一起讨论解决这个问题。

4.Put the item type relation definitions into the hash table.

将项目类型关系定义放入散列表中。

5.One begins with a hash, the other begins with a semicolon.

一个以哈希符号开头，另一个以分号开头。

6.The XXXXX placeholder is a hash code.

XXXXX占位符是散列值。

7.It failed because the compreg opcode assumes a hash to initialized.

因为胶压木操作码假定要初始化的哈希值，所以它失败了。

8.The second method is to use the hash notation.

第二种方法是使用散列表示法。

9.We need to hash 重新审视 our strategy to improve sales.

我们需要<hash>重新审视hash>我们的策略以提高销售。

10.The programmer used a hash 哈希 function to secure the password.

程序员使用了一个<hash>哈希hash>函数来保护密码。

11.After the meeting, I need to hash 整理 out the key points we discussed.

会议结束后，我需要<hash>整理hash>我们讨论的要点。

12.The chef decided to hash 切碎 the vegetables for the soup.

厨师决定<hash>切碎hash>汤里的蔬菜。

13.Can you please hash 混合 these ingredients together?

你能把这些成分<hash>混合hash>在一起吗？

作文

In the world of technology and data management, the term hash is frequently used. A hash is a function that converts an input (or 'message') into a fixed-length string of bytes. The output is typically a 'digest' that uniquely represents the input data. This concept is crucial in various applications, including data integrity verification, password storage, and digital signatures. Understanding how hash functions work can lead to better security practices in our digital lives.For instance, when we create an account on a website, our password is often stored in a hashed format. This means that instead of saving the actual password, the system saves the hash of the password. If someone were to gain unauthorized access to the database, they would only see the hash, not the actual password. This adds an extra layer of security, as hash functions are designed to be one-way operations; it is computationally infeasible to reverse the hash back to the original password.Moreover, hash functions are widely used in data structures known as hash tables. In a hash table, data is stored in an associative manner, allowing for efficient retrieval. The hash function computes an index into an array where the desired value can be found. This makes operations like insertion, deletion, and lookup extremely fast, often averaging constant time complexity, O(1). This efficiency is particularly beneficial in scenarios where speed is essential, such as in databases or caching systems.In addition to these technical applications, the concept of hash has also permeated popular culture. For example, in the culinary world, to hash something means to chop it into small pieces. This is often seen in dishes like corned beef hash, where leftovers are finely chopped and cooked together with potatoes and spices. This culinary usage reflects the idea of taking disparate elements and combining them into a cohesive whole, similar to how data is processed in computing.Furthermore, the term hash is also used colloquially to refer to a confusing or chaotic situation. For instance, someone might say, "My life feels like a hash right now," indicating that things are disorganized or overwhelming. This shows how the word has evolved beyond its technical roots to describe more abstract concepts.In conclusion, the word hash encompasses a variety of meanings across different contexts. Whether in the realm of computing, cooking, or everyday conversation, understanding the different usages of hash can enhance our comprehension of both language and technology. As we navigate through the complexities of our digital lives, being familiar with terms like hash can empower us to make informed decisions about our data security and management practices. Thus, the significance of hash extends far beyond its simple definition, impacting various aspects of our lives and society as a whole.

在技术和数据管理的世界中，术语hash经常被使用。hash是一个函数，它将输入（或“消息”）转换为固定长度的字节字符串。输出通常是一个“摘要”，唯一地表示输入数据。这个概念在各种应用中至关重要，包括数据完整性验证、密码存储和数字签名。理解hash函数的工作原理可以帮助我们在数字生活中更好地实践安全性。例如，当我们在网站上创建账户时，我们的密码通常以hash格式存储。这意味着系统保存的是密码的hash，而不是实际密码。如果有人获得了数据库的未授权访问，他们只能看到hash，而无法看到实际密码。这增加了一层额外的安全性，因为hash函数被设计为单向操作；反转hash回到原始密码在计算上是不可行的。此外，hash函数广泛用于称为哈希表的数据结构中。在哈希表中，数据以关联的方式存储，从而实现高效检索。hash函数计算一个索引到数组中，可以找到所需的值。这使得插入、删除和查找等操作变得极其快速，平均时间复杂度为常数时间O(1)。这种效率在速度至关重要的场景中尤其有益，例如在数据库或缓存系统中。除了这些技术应用，hash的概念也渗透到了流行文化中。例如，在烹饪界，将某物hash意味着将其切成小块。这通常出现在菜肴如玉米牛肉hash中，其中剩菜被切碎并与土豆和香料一起烹饪。这种烹饪用法反映了将不同元素结合成一个整体的想法，类似于计算中的数据处理。此外，术语hash在口语中也被用来指代混乱或混乱的情况。例如，有人可能会说：“我现在的生活感觉像一团hash，”这表明事情是无序或压倒性的。这表明这个词已经超越了其技术根源，描述了更抽象的概念。总之，词汇hash在不同的上下文中包含多种含义。无论是在计算、烹饪还是日常对话中，理解hash的不同用法可以增强我们对语言和技术的理解。当我们在数字生活的复杂性中航行时，熟悉像hash这样的术语可以使我们能够做出关于数据安全和管理实践的明智决定。因此，hash的重要性远远超出了其简单定义，影响着我们生活和社会的各个方面。