Python Beginner Tips: Functions

C language and python are often confused, especially I can't help adding a semicolon after Python... Just make a note for myself to save forgetting... (learned on muke.com) 13, Functions 1. Introduction Using functions to encapsulate repeated logic codes, we abstract the process of encapsulating repeated logic codes. Abstraction is a ver ...

Posted by cLFlaVA on Tue, 26 Oct 2021 02:57:01 -0700

Haystack extension indexing (Elasticsearch)

Get started with python Programming quickly (continuous update...) python actual combat project (Django technical point) Tips: At the bottom of Elasticsearch is the open source library Lucene. However, Lucene cannot be used directly. You must write your own code to call its interface. reflection: How do we connect to Elasticsearch server? Sol ...

Posted by rtadams89 on Tue, 26 Oct 2021 02:51:47 -0700

SMTP protocol (Python Implementation)

SMTP introduction I won't talk about too many basic concepts. Just turn to the book or Wikipedia, In short, SMTP is a simple mail transport protocol. Since it is a transport protocol, it is both sending and receiving mail It is different from POP3 and IMAP The difference can be seen simply from here working process SMTP is an application lay ...

Posted by Catharsis on Tue, 26 Oct 2021 01:40:42 -0700

python - deep copy, shallow copy

1. Data type Variable = xxx only means to point the variable to the storage space where xxx data is located. For example, a = [1,2,3] represents that the variable a points to the storage space where [1,2,3] is located. python has two data types: variable data type and immutable data type. The difference is whether the value in memory can be ...

Posted by cartoonjunkie on Mon, 25 Oct 2021 21:48:53 -0700

[Python confession code collection] "I still like you very much. Like the wind, I've traveled eight thousand miles without asking about my return date"!!

catalogue Introduction text 1, Introduction 2, The stars and the sea are you 1) Part 1 confession 2) Part 2 confession 3) Part 3 confession 4) Part 4 confession 5) Part 5 confession 6) Part 6 confession summary Complete free source code collection: Some previous Tuttle articles recommend: Article summary—— Introducti ...

Posted by saint4 on Mon, 25 Oct 2021 17:20:09 -0700

Python implements multiple linear regression algorithm to predict house prices

1, Multiple linear regression The changes of socio-economic phenomena are often affected by multiple factors. Therefore, multiple regression analysis is generally required. We call the regression including two or more independent variables as multiple linear regression. The basic principle and calculation process of multiple linear regr ...

Posted by barbs75 on Mon, 25 Oct 2021 15:54:43 -0700

[the strongest in the whole network] python function

  Welcome to the column [the strongest in the whole network] Python system learning manual catalogue 1, Introduction to functions 2, Parameters of function 3, Local function (nesting of functions) 4, Advanced content of functions 5, Local functions and lambda   1, Introduction to functions 1. Conce ...

Posted by KingWylim on Mon, 25 Oct 2021 07:24:53 -0700

Advanced Python: Python's object-oriented attribute method

This time, we mainly introduce various properties defined in the class, such as class properties, instance properties, private properties of the class, and various methods, such as instance methods, class methods, static methods, and   Property property method and other related knowledge. 🚀 Look at a piece of code class Tool(object): ...

Posted by Straterra on Mon, 25 Oct 2021 00:47:52 -0700

Python test framework pytest (16) runs the last failed case, views and clears the cache, and customizes the mark

catalogue 1. Run last failed case 2. View and clear cache   2.1,--cache-show 2.2,--cache-clear  3. Custom tag mark   1. Run last failed case All use cases are executed, and the first partial use cases fail. At this time, after the tested system is repaired, the last failed use case can be executed. On the command line, ente ...

Posted by 87dave87 on Sun, 24 Oct 2021 22:24:26 -0700

Yolo (project) Yolo v3 image classification

catalogue 1, Read file 2, Neural network initialization   1. Build neural network 2. GPU acceleration 3, Turn on the camera and read the image by frame 4, Input to neural network 5, Obtain neural network output 1. Get the name of each layer 2. Get output layer name 3. Get output layer image (content) 6, Frame object 1. Get all ...

Posted by adamlacombe on Sun, 24 Oct 2021 21:39:29 -0700