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Copyright Statement: This is an original copy of Colin Cai. Please post it.To transfer, you must indicate the original web address 　　http://www.cnblogs.com/Colin-Cai/p/12741423.html Author: Window QQ/WeChat: 6679072 　　E-mail: 6679072@qq.com Sometimes we write a Python program, when dealing with complex objects, sometimes debugging in ...

A small demand: When applying for software copyright, you need to submit a page of 50 lines, a total of 60 pages of source code. However, the designed project is saved in a multi-level directory and does not want to be copied one by one, so we get all the files in the directory through python and os modules, re regularize and filter the inval ...

Catalog Chinese Email Classification Based on Naive Bayes algorithm 1. Principle of naive Bayesian algorithm 2. Project introduction 3. Project steps 4. code 5. results                        . Chinese Email Classification Bas ...

1. Requirements The company wants to make an H5 mobile adapter page. Because of technical problems, H5 is outsourced. Each time the front-end gives us the source code, we pass the source code to the server for others to access to see if there is a bug. Isn't that troublesome?Some people say that they can let the front end be hosted on their se ...

1. sklearn dataset 1.1 Dataset Partitioning Machine learning general datasets are divided into two parts:Training data: for training, building modelsTest data: Used during model validation to assess whether a model is valid SklearnDataset Partitioning API: sklearn.model_selection.train_test_split 1.2 Introduction to sklearn dataset interface In ...

The commonly used exponential smoothing methods are first exponential smoothing, second exponential smoothing and third exponential smoothing. Higher exponential smoothing is rarely seen. Therefore, this paper focuses on the characteristics and differences of first, second and third exponential smoothing. One-time exponential smoothing is gene ...

The new crown epidemic has lasted for several months. At present, the epidemic situation in our country has been basically controlled, while the European and American countries are in the period of outbreak. We will see that many websites have provided a variety of epidemic statistics maps. Today, we use Python's pyecharts framework to draw som ...

Read the Docs Is an online document hosting service that allows you to import documents from various version control systems.In general, this is ideal for writing software documents, tutorials, e-books, and so on. Sphinx Sphinx is a Python-based document generation project that was originally used to generate official Python documents. With ...

1. Image compression using K-means algorithm Read a picture Observe image file size, memory occupied, image data structure, linearization Clustering image pixel colors with kmeans Get the color category of each pixel, and the color of each category Compressed image generation: replace the original pixel color with the middle gather in clusterin ...

I. overview scala is similar to higher-order function, which is a function that can receive another function as a parameter. 2, Import base package import random from functools import reduce 3, Custom higher order function #Define common functions and generate lists automatically def getList(): hList = list(range(5)) return ...