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1. Basic operation Get the current py file name import os file = 'test.py' fname = os.path.basename(file) print(fname) #Through the basename() method, we can remove the path and get only the file name #If the path fails to recognize the error (the problem of escape), add r before the path. (file = r'C:\Users\15205\PycharmProjects\pachon ...

10, Joint search set source Geek time 2021 algorithm training camp Author: Li Yudong 1. Merge query set Join query set is a tree data structure, which is used to deal with the merging and query of some disjoint sets. The idea of parallel search set is to use an array to represent the whole forest (parent). The root node of t ...

Reference open source learning address: datawhale 1. Introduction to inmemorydataset base class In PyG, we inherit InMemoryDataset Class to customize a dataset class that can store all data in memory. class InMemoryDataset(root: Optional[str] = None, transform: Optional[Callable] = None, pre_transform: Optional[Callable] = None, pre_filter: ...

1. Introduction to flash Flash can be used for web development Install as pip install flask 2. Brief description of flash 1. Print helloworld on the page app=Flask is in fixed mode @app. The route ('/') decorator generates the main web page and executes the following functions of the decorator app.run() runs and starts the service fr ...

Preface As a popular personal computer data processing software, Excel is mixed up in all fields, and is often processed by programmers here. It can handle Python of Excel format files. There are many libraries, such as xlrd, xlwt, xlutils, openpyxl, xlwings, and so on, but each library handles Excel Different ways, some libraries have limitat ...

Recently, the author learned some common sense related to "driving" and found that if the driver's driver's license expires, he must submit physical examination information before applying for license renewal, which requires the driver to go to a nearby hospital for physical examination. Considering that not all hospitals support dri ...

section Taking some elements of a list or tuple is a very common operation >>> L = ['Michael', 'Sarah', 'Tracy', 'Bob', 'Jack'] ['Michael', 'Sarah', 'Tracy'] L[0:3] indicates that it starts from index 0 to index 3, but does not include index 3. That is, the indexes 0, 1 and 2 are exactly three elements. Do not write anything, ju ...

In the student information management system, firstly, the administrator will add, delete, modify, search and import teacher information, and then the teacher interface will log in to different teacher categories. The counselor teacher is responsible for adding, deleting and searching the relevant information of students, the educational adm ...

Welcome to use the Python programming tutorial to learn the third parts of Carla automatic driving / self driving car. In this tutorial, we will use our knowledge of the Carla API and try to turn this problem into a reinforcement learning problem. After OpenAI took the lead in developing the open source of reinforcement learning environment an ...

preface IPsec has many configuration dependencies. If you don't pay attention to it, it is easy to make a configuration error. As long as the configuration error is wrong, it is easy to cause IPsec to fail; So I hope to use some means to simplify these complex configurations; So I use python language, which is not difficult to learn but ...