Python

What is polymorphism ? What is the mechanism to achieve polymorphism ?【 Le Bo TestPro】

The so-called polymorphism ： The type at definition time is not the same as the type at run time , This is called polymorphism , The concept of p...
2020-12-02 15:57 views 3

python The basic data types are all here

preface python Middle list , Yuanzu , How can the dictionary be confused , look around , I'll buy it for you iphone12! One , list 1. What is a lis...
2020-12-01 14:26 views 3

Guanghetong and Xintang technology jointly released 4G Industrial gateway solution

It's worth it 11 period , Xintang science and technology innovation products conference – Shenzhen station arrived on schedule . The exhibition ...
2020-11-12 09:47 views 2

Some suggestions for novice programmers to write practical business code in confusion

Many novice systems complete the employment class , In fact, the ability is still good , Common technology stack will also understand , Can also r...
2020-11-05 09:55 views 6

python Hundred lines of effective code to achieve Hanoi Tower Games ( Minimalist version )

Direct code :# The left, middle and right towers are stored in a list left = list()center = list()right = list()""" Initialization function """def...
2020-10-29 20:56 views 4

linux Performance tuning methodology of system database server

One ,I/O Tuning in progress I/O Many decisions have to be made when tuning . Is the original device or file system used ? Whether to use direct ...
2020-10-29 09:53 views 4

3 species Python data structure ,13 Creation methods , This is the conclusion , Great !

3 species Python data structure ,11 Creation methods , This is the conclusion , Great !
2020-10-25 20:53 views 3

Basic definition and use of function ‘ To be continued

. Custom sort value ： All elements in the container are compared in pairs list01 = [54, 5, 65, 76, 87, 9]# Small --> large # Core ideas ： ...
2020-10-15 21:19 views 3

Ali development 10 Technical core summary ,Springboot+Redis file , For hard working programmers

What is? Redis： In short Redis It's a database , However, different from the traditional database Redis Is stored in memory , So the storage a...
2020-09-29 14:13 views 4

python Stack

The preface is quoted from the book ： Stack （ Sometimes called “ LIFO stack ”） Is an ordered collection of items , Adding and removing new items a...
2020-08-18 07:03 views 2
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