0. Forewordhttps://www.journaldev.com/861/java-copy-file 1. Several commonly used methods1.1 Java Copy File – Stream12345678910111213141516private static void copyFileUsingStream(File source, File des

ForewordHamming codes can detect one-bit and two-bit errors, or correct one-bit errors without detection of uncorrected errors.The code is from the video below,Bilibili: https://www.bilibili.com/video

1. Start Nginx1start nginx 2. Stop Nginx1nginx -s stop 3. Reload Nginx Config1nginx -s reload 4. Force Close1taskkill /f /t /im nginx.exe

1. Generate requirements.txt Use pip freeze Applicable to the case of a single virtual environment. It will add all the dependencies in the environment. 1pip freeze > requirements.txt Use pipreq

1. Simple Sentence 1.1 Core Composition of Simple Sentence 1.1.1 Core composition of simple sentence 1.1.2 Core changes in simple sentence 1.2 Extension of Simple Sentence 1.2.1 Expansion of the par

Tools NoteExpress Endnote The best reference management tool. Latex A document preparation system. Origin Origin is the data analysis and graphing software. Visio Flowchart Maker and Diagrammin

Official Documentationhttps://www.tensorflow.org/tutorials/keras/classification Import packageThis guide trains a neural network model to classify images of clothing, like sneakers and shirts. It’s ok

1234567891011121314151617181920212223242526272829303132333435363738394041import pandas as pdfrom nltk import FreqDistimport jiebafrom matplotlib import pyplot as pltfrom wordcloud import WordCloudfile

1. Basic operation of time series123456789101112131415import pandas as pdprint(pd.to_datetime('20180828'))print()# Pass in multiple datetime stringsdate_index = pd.to_datetime(['2018082

1. Drawing a contour map12345678910111213141516171819202122232425262728import numpy as npimport matplotlib.pyplot as pltdef calcu_elevation(x1, y1): h = (1 - x1 / 2 + x1 ** 5 + y1 ** 3) * np.exp(-x