1. What is reflection?
In the process of program development, we often encounter the requirement that a method in the executing object, or a variable in the calling object, or a field of the object should be assigned, while the method name or field name can not be determined when encoding the code, and need to be input in the ...
Posted by phpfreakjav on Sat, 11 May 2019 22:11:59 +0200
Part of the content is compiled from Python, Little Turtle
List: An array of hormones
The concept of arrays is to put a large number of data of the same type together one by one, and then indexed by array subscripts. But the basic requirement of arrays is that the data you put together must be of the same type. Because Python ...
Posted by fishown on Sat, 11 May 2019 20:02:05 +0200
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