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Hashing in Python
You are building a cool application/website with your team and in some instances, you have to store user passwords in the database and need to have secure
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Hash Tables and Hash Functions in Python: A Deep Dive
I’ve come across hash tables while I was reading about dict and set objects in Python. Under the hood, the dict and set uses hash table for assigning a key to a value/data. Hash tables helps dict and…...
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Sorting and Hash Tables — Python
While following the brute force approach, for each element of the array, it goes through all the other elements to check if any duplicate is present or not. The pseudocode for this can be written as…
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Up Your Coding Skills With Python: Hashing
What hashing is and why is it being used in Python Continue reading on Python in Plain English
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Hash tables
General concepts Hash set A hash set is a data structure that stores a collection of unique values { s 1 , . . . , s n } \{s_{1}, ..., s_{n}\} { s 1 , ... , s n } with fast search times. A has...
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Hash Tables Explained
When given large datasets defined by pieces of information that are related to other pieces of information, what are some ways we can store and retrieve information efficiently? To manage large…
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How to Use Python’s “hashlib” Module for Secure Hashing
Protect Your Data with Python’s Top-Tier Hashing Technology Photo by FLY:D on Unsplash The “hashlib” module in Python provides a set of functions for generating cryptographic hash values. Cryptograph...
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Data Structures and Hash Tables
Hash tables or hash maps or maps or dictionaries or objects. There are many different names for a hash table. But they are very similar, with some tiny variations in certain languages. Hashes use a…
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Hash Tables
A hash table is an implementation of an associative array, a list of key-value pairs that allow you to retrieve a value via a key. Internally a hash table utilizes a hash function to transform a key v...
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The Basics of Hash Table
Those of us who’ve lived reasonably long enough must know or at least have seen a yellow page. Yup! You’re right. It is the thick yellow book containing directories of businesses and their phone…
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Building a Hash Table in Python and Thoughtful REST API Design | Real Python Podcast #104
Do you understand how a hash table works? What if you could learn about building one while practicing test-driven development? What are best practices when designing a REST API? This week on the show,...
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5. Hash Tables
Hash tables are an efficient method of storing a small number, , of integers from a large range . The term hash table includes a broad range of data structures. The first part of this chapter focuses ...
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Hashtable
Introduction Hashtable is a class in Java collections which implements Map interface and extends the Dictionary Class Contains only unique elements and its synchronized
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An Introduction to Python Data Structures — Hash-map, Tree, Graph
In the first part of this article, we covered the basics of data structures and linear data structures such as Stack, Queue, Linked-List, Arrays. A data structure in which data is not stored in a…
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Data Structures 1: Hash Tables
Hash tables are an effective way to implement dictionaries. Before diving straight to the topic of hash tables, having a grasp of the background/context would help us understand the concepts related…
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What is Hashing and How To Use It In Python
Hashing is a process of converting input data (or a ‘key’) into a fixed-size string of bytes using a mathematical algorithm. The output of this process is called a hash value or simply a hash . The ke...
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Handwriting a HashTable: Building a Strong Foundation for Algorithms from Scratch
1. Simplified Hash Table We encapsulate the hash table in a class, defining and declaring traversal operations as well as implementing construction and destruction: For the hash table implementation, ...
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Python: Salting Your Password Hashes
In a previous article, I shared how to secure users’ passwords. That article posits hashing users` plaintext passwords secures them. Well, that’s only a half-truth. Hashing passwords don’t entirely…
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Hash table cheatsheet for coding interviews
Introduction A hash table (commonly referred to as hash map) is a data structure that implements an associative array abstract data type, a structure that can map keys to values. A hash table uses a...
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5.3 Hash Codes
The hash tables discussed in the previous section are used to associate data with integer keys consisting of bits. In many cases, we have keys that are not integers. They may be strings, objects, arra...
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Design a HashMap — Day 1(Python)
This is my first day at 365 days of coding challenge. I will try solving the most frequently asked questions in interviews from leetcode. The motive behind writing medium post is two-fold, b…
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Advanced hash tables
Bloom filters Definition A bloom filter B \mathcal{B} B is a space-efficient data structure that can check whether a given element x x x is: either potentially in the set or definitely not in the ...
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An unacknowledged use of Hash Tables
Hash tables are one of the best inventions in the programming world. Accessing values instantly from a pool of data elements can be a life-saver in speeding up programs most times. If I ask you the…
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Python Unleashed: Cracking the Leetcode 100 — Arrays and Hashing
Photo by Baard Hansen on Unsplash Python Unleashed: Cracking the Leetcode 100 — Arrays and Hashing LC Problems Introduction: In this article, we’re going to learn about hashing techniques and their un...
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