Game case based on pygame

Game case based on pygame Development tool: python Development platform: pycharm Game case: 2048 Rules of the game: The keyboard controls which direction all the squares will move. Two squares with the same number will be added when they collide. Each time the number moves, the blank will randomly refresh a number of squares. When the ...

Posted on Tue, 17 Mar 2020 09:09:13 -0700 by elis

adb command in "self timer 44" to intercept Logcat log with one click

This article is very difficult, reading time is long, and the experience is advanced... During Android system test or App test, Some Android terminal devices do not start the logcat sequence log with the system because the disk is too small, That is, the logcat log is not intercepted in the background in real time, so the tester needs to manua ...

Posted on Tue, 17 Mar 2020 05:55:01 -0700 by babyrocky1

python basic learning day7

Supplement of basic data type; advanced coding str capitalize() first letter (first word) upper case, others lower case s1 = 'I LIVE YOU' print(s1.capitalize()) >>>I live you title() capitalizes each word. (a word is separated by special characters (not letters) s1 = 'I LIVE YOU' print(s1.title()) >>>I Live You swapcas ...

Posted on Tue, 17 Mar 2020 04:58:01 -0700 by Salsaboy

Python learning 06.15: Python super() function: calling the constructor of the parent class

More than once, Python The subclass inherits all the properties and methods of the parent class. Strictly speaking, the construction method of a class is actually an instance method, so there is no doubt that the construction method of the parent class and the child class will inherit the same. But we know that Python is an object-oriented pro ...

Posted on Tue, 17 Mar 2020 03:01:02 -0700 by derekbelcher

Comparison between java and python classes

1. constructor Methods and variables super,self,this 4. python code instance class Test(): # Class attribute country = 'China' province = 'Shaanxi Province' city = 'Xi'an City' readme = 'I am a parent class property' # Member attribute def __init__(self, name, ...

Posted on Mon, 16 Mar 2020 19:28:41 -0700 by ghostrider1

Simple operation of python Dictionary (modify, delete, nest, traverse, copy)

1, Python dictionary A dictionary is another variable container model and can store any type of object. Each key value key = & gt; value pair of the dictionary is divided by colon: comma is used between each key value pair, and the whole dictionary is included in curly bracket {}, with the format as follows: d = {key1 : value1, key2 : val ...

Posted on Mon, 16 Mar 2020 01:24:16 -0700 by jokullsolberg

Data visualization codeplaces rating

Display page Code repository I met at station B recently [data visualization] Codeforces history top 10 I thought it was very interesting, so I had the idea to create a visual rating for our school team. UP main project is based on a hot project on GitHub Historical-ranking-data-visualization-based-o ...

Posted on Mon, 16 Mar 2020 01:15:39 -0700 by daniel1988

Introduction to Python crawler common libraries (requests, beautifulsop, lxml, json)

1. requests Library http The most common protocol is GET Method: import requests response = requests.get('http://www.baidu.com') print(response.status_code) # Print status code print(response.url) # Print request url print(response.headers) # Printhead information print(response.cookies) # Printing cookie information print ...

Posted on Sun, 15 Mar 2020 22:06:51 -0700 by Concat

Machine learning notes 8-Logistic regression basis

1, Basic knowledge 1 meaning of regression Regression is the best fitting, the process of fitting these points with a straight line, the process of logical regression is the process of finding the best fitting parameters, using the optimization theory. 2. Common optimization algorithms in optimiza ...

Posted on Sun, 15 Mar 2020 21:53:50 -0700 by zaneosak

python: serialization / deserialization and deep / shallow copy of objects

python: serialization / deserialization and vulnerability thinking 1, Serialization / deserialization There are many ways of serialization / deserialization built in python, the most commonly used are json, pickle and marshal. The example usage is as follows: import json import pickle import marshal ...

Posted on Sun, 15 Mar 2020 05:02:48 -0700 by ethridgt