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LeetCode -- string (python language) 1, String 1.1 string definition A string is a concatenation of a series of characters. The string can be traversed, and each traversal is a character. 1.2 string matching First, we call the string to be matched (long) as the main string, and the string to be matched (short) as the sub string (pattern st ...

LeetCode problem brushing -- dynamic programming (python language) 1, Dynamic programming 1.1 basic concepts Dynamic programming algorithms are usually used to solve problems with some optimal properties. In such problems, there may be many feasible solutions. Each solution corresponds to a value. We want to find the solution with the optima ...

Link from AI Studio project https://aistudio.baidu.com/aistudio/projectdetail/2432755 Project background I recently found that there was no good example when I read the resnet50+FPN version of Faster-RCNN when I was preloading and loading data, when I read the class loaded by paddlepaddle's official data. So I did this today, how to make a d ...

The main task of Task 2 is data exploratory analysis 1, EDA introduction and purpose Introduction: EDA (exploratory data analysis) refers to a data analysis method that explores the existing data under as few a priori assumptions as possible and explores the structure and law of the data by means of drawing, index, equation fitting, calculat ...

I like turtle drawing, because a little change in the code will always bring unexpected surprises. Some cases that make me excited are shared with you and cherished to myself. ——Crawler on Python Teaching Road   The rainbow is so beautiful and moving that it spans from one end of the earth to the other, like a ring woven by f ...

I said three methods of JSON serialization in Python yesterday. Finally, I mentioned a method that can not only be directly JSON, but also be serialized in list, map or other uncontrollable frameworks. This is the following: class Food(dict): def __init__(self, name, origin, calories, price): dict.__init__(self, name=name, origin=origin ...

Relevant documents Little buddy who wants to learn Python can pay attention to the official account of Xiaobian [Python journal]. There are many resources for whoring for nothing, ha. I will update the little knowledge of Python from time to time!! A buddy who needs source code can reply to Excel form in official account. Python source code, p ...

Review 2D mapping Use the Seibel curve to make a 2d graph. This figure is realized through the Seibel curve with Path based on Matplotlib. Friends who are interested in the Seibel curve can have an in-depth understanding. In Matplotlib, figure is the canvas, axes is the drawing area, and fig.add_subplot(),plt. The subplot () method can create ...

1, Introduction to frp A high-performance reverse proxy application that can be used for intranet penetration. It supports TCP, UDP, HTTP and HTTPS protocols. Official documents: https://gofrp.org/docs/ 2, Configuration steps 1. Configure ssh connection preparation Server: you need a server that can directly access the external network ...

preface import torch import torch.nn as nn from torch.nn.utils.rnn import pad_sequence from torch.nn.utils.rnn import pack_padded_sequence from torch.nn.utils.rnn import pad_packed_sequence Notice utils. Above RNN, have you? These functions are "usually" used for RNN related processing. So you have to understand some standard conc ...