1.1 Concept of Inheritance
Inheritance refers to the relationship between classes, what is the relationship between classes, and one of the functions of inheritance is to solve the problem of code reuse.Inheritance is a way to create new classes. In Python, a newly created class can inherit one or more parent classes, which can ...
Posted by Harsh on Sat, 11 May 2019 14:15:06 +0200
Actual combat content
kNN algorithm classification using sklearn self-contained Library
Converting txt files with non-numeric contents into csv files
Using sns.lmplot to plot the relationship between several features
Actual combat content
Ms. Helen has be ...
Posted by LiamG on Sat, 11 May 2019 09:43:17 +0200
Use the migration tools provided in Ali and Tencent's help documents to test the migration objects for storing data.
1. Tencent to AliDocument Links: https://help.aliyun.com/document_detail/56990.html?spm=5176.7851628.6.1079.UqBdXKThe OssImport tool migrates data stored locally and in other clouds to OSS with the following features:
The rich ...
Posted by DWaller10 on Fri, 10 May 2019 21:58:41 +0200
Following the framework of the MVC design pattern, MVC is short for the three words Model, View, Controller.Represents models, views, and controllers.
From the command line, first step into a virtual environment where Django is installed
1. Command line: django-admin startproject [proje ...
Posted by vboctor on Fri, 10 May 2019 20:16:30 +0200
TensorFlow 2.0 is a big slim for version 1.x, Eager Execution is turned on by default, and Keras is used as the default advanced API.These improvements greatly reduce the difficulty of using TensorFlow.
This article describes a tortuous trampling experience using the BatchNormalization of Keras+TensorFlow2.0, which almost destroys all the new f ...
Posted by justphpdev on Fri, 10 May 2019 14:26:03 +0200
# Direction of variables
a = "abc"
b = a
a = "def"
print(10/3) # The result is a decimal
print(10//3) #The result is an integer
print(10%3) # Remainder
#Python supports a variety of data types. Within a computer, any data can be viewed as an object, and variables are used in prog ...
Posted by jumphopper on Fri, 10 May 2019 12:10:05 +0200
This article is mainly due to the plan to use django to write a planned task, which can rotate the name of the staff on duty or execute scripts on time and other functions. After Baidu has countless pits, it can finally make use of this set of things to deploy. My English is not good, English is good or people who want to learn ...
Posted by tinkertron on Fri, 10 May 2019 11:12:03 +0200
1. Data type:Digital (Integer, Long Integer, Floating Point, Complex)String: Introducing bytes when introducing character encodingListYuan ZuDictionarySet
2. integer intFunction: Integer numbers such as grade/grade/ID number are correlatedDefinition: age=10. Essentially age=int(10)
The decimal system is converted to... Binary system
Print ( ...
Posted by non_zero on Fri, 10 May 2019 10:54:03 +0200
This example uses the python 2.7 environment, and python 3 should operate similarly.
Two packages, smtplib and email, are required.
Send text type mail
Here's an example of sending text messages (using SMTP from NetEase 163):
# -*- coding: UTF-8 -*-
from email.mime.text import MIMEText
from email.header import Header
from email. ...
Posted by PlasmaDragon on Fri, 10 May 2019 09:20:03 +0200
Step 1 Programming
Take the Queen N problem on github as an example
"""The n queens puzzle.
__all__ = 
"""Generate all valid solutions for the n queens puzzle"""
def __init__(self, size):
# Store the puzzle (problem) size ...
Posted by vishi83 on Fri, 10 May 2019 01:02:03 +0200