Programmer Think

1. Introduction to three major features of object-oriented Python is an object-oriented language. It also supports three major features of object-oriented programming: inheritance, encapsulation (hiding) and polymorphism. Encapsulation (hidden) Hide the properties and implementation details of the object, and only provide necessary method ...

import numpy as np import matplotlib.pyplot as plt import torch import torch.nn as nn import torch.nn.functional as F import torch.optim as optim from torch.utils.data import Dataset,DataLoader import h5py import glob import os import json from tqdm import tqdm import sys import open3d as o3d Written in the front, the directory structure of ...

Geometric transformation Geometric transformation refers to the operation of mapping one image to another. zoom Use function CV2 Resize() to zoom the image dst = cv2.resize( src, dsize[, fx[, fy[, interpolation]]] ) dst represents the output target image. The type of the image is the same as src, and its size is dsize (when the value ...

Author: Han Xinzi@ShowMeAITutorial address: http://www.showmeai.tech/tutorials/56Article address: http://www.showmeai.tech/article-detail/77Notice: All Rights Reserved. Please contact the platform and the author for reprint and indicate the source1.Python listSequence is the most basic and common data structure in Python. Each element in the se ...

day8 summary Cognitive dictionaryBasic operation of dictionaryAddition, deletion and modification of dictionaryDictionary related operation functions and methodsDictionary derivation (understanding) 1, Cognitive dictionary Dictionary and list selection: When you need to save multiple data at the same time, use the list if the meaning of mul ...

preface As a new generation of contemporary youth, should they be more or less able to make short videos? Haha, what about the creators of contemporary we media~ When making videos, how much do you need some funny sounds? Or strange sounds? Music, etc~ How slow it is to download one by one, let's use python to realize batch download tod ...

Demand background Sometimes you want to submit the commit information according to the regular time. For example, Virgo may want the time of each commit to be an integer time. For example, if the local time is inaccurate, you want to submit it according to the network time 1 There are other reasons.. However, Git submits the commit informatio ...

day8 dictionary I Cognitive dictionary Dictionary and list selection: When you need to save multiple data at the same time, use the list if the meaning of multiple data is the same (there is no need to distinguish); If multiple data have different meanings, use a dictionary Cognitive Dictionary (dict) """ 1) Is a container data type; take{ ...

day8 dictionary 1. Recognize the dictionary 1. Dictionary and list selection: When you need to save multiple data at the same time, use the list if the meaning of multiple data is the same (there is no need to distinguish); If multiple data have different meanings, use a dictionary 2. Cognitive Dictionary (dict) 1) Is a container data type ...

Dictionaries d = {key1 : value1, key2 : value2, key3 : value3 } Keys must be unique, but values do not. The value can take any data type, but the key must be immutable, such as string and number. Modify dictionary The way to add new content to the dictionary is to add new key / value pairs tinydict = {'Name': 'Runoob', 'Age': 7, 'Class': ' ...