Programmer Think

This paper selects the 10 questions that have been liked most on StackOverflow, the world's second largest gay dating website, of which the total number of likes exceeds 50000. Considering many white whoring parties, at least 100000 people are interested in these questions! So many people like it, which shows two problems: 1. These problems ...

catalogue Chapter 6 learning related skills 6.1 parameter update 6.1.1 explorer's story 6.1.2 SGD 6.1.3 disadvantages of SGD 6.1.4 Momentum 6.1.5 AdaGrad 6.1.6 Adam 6.1.7 which update method to use 6.1.8 comparison of update methods based on MNIST dataset 6.2 initial value of weight 6.2.1 can the initial value of weight be set to 0 ...

One way to create a new class based on an existing class is to let one class directly inherit properties and methods from another class, so as to reduce the writing of repeated code. The class that provides inheritance information is called parent class, also called superclass or base class; The inheritance information we get is called subclass ...

Image operation Image addition The image can be added by the plus operator "+" or CV2 The add() function adds the image. The sum obtained is likely to exceed 255. The above two different addition operation methods have different processing methods for values exceeding 255. Plus operator "mod(a+b, 256)" means cal ...

This project is based on Django. Due to the interface related development, the front-end development is not involved for the time being. MySQL is used at the back end for data storage, addition, deletion, modification and query. 1) What is Django? Django is a free and open source Web framework developed in python. It provides many mod ...

preface This paper mainly introduces the method of python crawling static web page pictures. It can crawl multiple web pages and is universal. At present, the method of dynamic web page image crawling has not been realized. Differences between static web pages and dynamic web pages: Static web page image: the image url address is directl ...

Target level emotion analysis based on SKEP pre training model As we all know, human natural language contains rich emotional colors: expressing people's emotions (such as sadness and happiness), expressing people's mood (such as burnout and depression), expressing people's preferences (such as like and hate), expressing people's personality c ...

1, Write in front It comes from the study / work needs of two readers. Coincidentally, the needs of these two readers are about batch merging sheet s (information needed for retrieval). The data style used in this paper can be disclosed with the consent of the reader. The data in the file is generated by the Rand function in Excel to ensur ...

Introduction: logistic regression is a very common means of classification. It belongs to probabilistic nonlinear regression, which is divided into two classification and multi classification regression models. For binary logistic regression, the dependent variable y has only two values of "yes" and "no", which are recorded ...

1. Function DRY principle - Don't Repeat Yourself def math(x): # Define function name and parameters y = 3*x + 5 # Function body return y # return # Function name: 1 The name should best reflect the function of the function, which is generally combined with lowercase letters, single underscores, numbers, etc # 2. It canno ...