Alibaba cloud Tianchi financial risk control training camp of Guangzhou University of Technology Data Association - task 1

Task1 understand the game questions I learning syllabus ● overview of competition questions ● data overview ● prediction index ● analyze competition questions II Learning content 1. Overview of competition questions The competition requires contestants to establish models and predict financial risks according to the given data set. (1) Th ...

Posted by reddevil on Wed, 02 Mar 2022 01:31:53 +0100

torch.nn.Sequential and torch nn. ModuleList

Original address: Explain ModuleList and Sequential in PyTorch in detail torch.nn.Module() import torch.nn as nn import torch.nn.functional as F class Model(nn.Module): def __init__(self): super(Model, self).__init__() self.conv1 = nn.Conv2d(3, 32, 3) self.conv2 = nn.Conv2d(32, 10, 1) def forward(self, x): x = F.relu(self.conv1( ...

Posted by outatime88 on Wed, 02 Mar 2022 01:25:50 +0100

Advanced python - Lesson 7

Advanced python has been greatly optimized on the basis of the first phase, making the whole more beautiful and easy to understand 7, List 7.1 common operations of list 7.1.1 search a,-----.statswith() . statswitch(): judge whether the string starts with a substring, put the substring in parentheses, and the results are Boolean types Tr ...

Posted by sadaf on Wed, 02 Mar 2022 01:05:40 +0100

A story expression: concurrency, parallelism, synchronization, asynchrony, threading, multithreading

A small event describes concurrency, parallelism, synchronization, asynchrony, threading and multithreading An exhibition invitation was launched to eight companies during a Canton Fair, There are 8 participating companies, and the venue has an exhibition area of 800000 square meters, Each exhibitor has 100000 square meters for sale, Each exhi ...

Posted by doni49 on Wed, 02 Mar 2022 00:56:27 +0100

day12 function advanced operation

summary Anonymous function essence The essence of anonymous functions is still functions. They are the same except for the syntax of their definitions Note: it can only be used to implement functions with very simple functions Syntax: lambda parameter list: return value Convert to normal: def (formal parameter list): Return return value S ...

Posted by abhinic on Tue, 01 Mar 2022 13:08:30 +0100

day11 function advanced

day12 function advanced 1. Anonymous function The essence of anonymous functions is still functions. They have different syntax for definition, and everything else is the same Note: anonymity can only be used to implement functions with very simple functions Syntax: Function name = lambda parameter list: return value Convert to normal: def ...

Posted by zavin on Tue, 01 Mar 2022 13:00:51 +0100

Visitor mode of Java design pattern learning

In the design pattern, there is a pattern that provides a visitor class that can change the execution algorithm of our target object class, which decouples the data structure from the data operation. Introduction to visitor mode Visitor patterns are behavioral patternsVisitor pattern provides a visitor class that can change the execution algo ...

Posted by JackOfBlades on Tue, 01 Mar 2022 12:43:36 +0100

Actual combat of python crawler -- crawl Taobao commodity information and import it into EXCEL form (super detailed)

Article catalogue preface1, Analyze the composition of Taobao URL2, View the web source code and extract information with re library 1. Check the source code2.re database extraction information 3: Function filling4: Main function filling5: Complete code preface This paper simply uses python's requests library and re regular expressio ...

Posted by a-scripts.com on Tue, 01 Mar 2022 12:01:55 +0100

[Python] functional programming - decorator

catalogue 1, The essence of decorator: function closure: 2, Use method of decorator: Function closures that retain function parameters and return values: 3, Execution sequence of multiple decorators: 4, To create a decorator with parameters: 1, The essence of decorator: The essence of decorator is the syntax sugar of function closure ...

Posted by ashell on Tue, 01 Mar 2022 10:50:09 +0100

Python Programming: Notes from introduction to practice

pandas: https://www.jianshu.com/p/840ba135df30 Learning direction: https://blog.csdn.net/zhiguigu/article/details/117924606 I. Basic Knowledge Chapter 1 starting 1.1 setting up programming environment https://www.python.org/ 1.2 build Python programming environment in different operating systems . . . -Download geony https://www.geany.or ...

Posted by idevlin on Tue, 01 Mar 2022 09:59:04 +0100