udemy data structures

Preface As a professional programmer grows, learning data structures and algorithms is crucial. Although many books introduce data structures and algorithms, most of these books are used as university teaching materials and described in Java or C ++, which is often used in Object-Oriented teaching in universities. C #

1 What are data structures and algorithms? 1.1 Data structures The arrangement of data on memory or on disk is a form of organization of data. The basic data

Q: What is the difference between stacks, queues, and arrays?A: This article mainly involves three kinds of data storage types: Stack, queue and priority queue, it has the following three differences with the array:A: (i) Programmer toolsArrays and other structures (stacks, queues, linked lists, trees, and so on) are used in database applications as data records.

Label:Source: http://blog.linezing.com/?p=798 Reprint: http://blog.csdn.net/kennyrose/article/details/7532032 Plainly, the index problem is a lookup problem ... Database index is a sort of data structure in the database management system, which helps to quickly query and update data in database tables. the implementation of an index typically uses a B-tree and its variants, plus trees . In addition to

0 reply: 1. Python Data Structure For more information about Data Structures, see [Problem Solving with Python] (Welcome to Problem Solving with Algorithms and Data Structures ) [The link to this website may be slow]. Of course, it also integrates some [Introduction to Algo

describe a problem in data form? --to abstract an appropriate mathematical model from the problemL The amount of data involved in the problem and the relationship between the dataHow to store data and reflect the relationship between data in a computerWhat do I need to do with the

Hash tables are also known as hash lists, and there are direct translations of hash tables, which are data structures that are accessed directly from the keyword value (key-value). It is based on an array, by mapping the keyword to an array of subscript to speed up the search speed, but also arrays, lists, trees and other data

a computer program.data element: is the basic unit of data, which is usually considered and processed as a whole in computer programs.A data item is an indivisible minimum unit of data. A data element can consist of several data items.data object: is a collection of

What does the data structure and algorithm do?A data structure is an arrangement on the computer's memory (and sometimes on disk). Data results include arrays, linked lists, stacks, binary trees, hash tables, and so on. The algorithm handles the data in these structures in v

. Linked list (linkedlist) When an element needs to be able to be added at both ends of the list. Otherwise, use list Resizable array list (list) When the number of elements is not fixed and the subscript needs to be used. Stack (stack) When you need to implement LIFO (last on first out). Queue (queue) When you need to implement FIFO (first in first out). Hash table (dictionary) When you need to use key-value pairs (Key-value)

Came to the weekend, little bastard finally have the energy and time to update the next blog. A short time ago, Bastard read a code, a variety of data structure of the flexible use of praise, but also greatly stimulated the small bastard on a variety of data structure to comb and summarize the desire. Just recently also read a number of great God's articles, feel summed up the commonly used

This article is translated from Coding-geek article: How does a relational the database work.Original link: http://coding-geek.com/how-databases-work/#Buffer-replacement_strategiesThis article translates the following chapters: One, Array, Tree and Hash tableThrough the previous chapters, we have already understood the concept of time complexity and merge ordering, and I will introduce three data structures