Programmer Group

Effect   The web end loads the trained model, the simple model used this time, and then predicts the number and returns the result according to the image data transmitted from the front end The saved png image is converted to base64 encoding and returned. In this way, the src with img tag can display the image directly in the front end, re ...

1. Introduction CoordinatorLayout follows the Material style and is included in the support Library, which combines AppbarLayout, CollapsingToolbarLayout, and others to produce a variety of cool folding suspension effects. As Top View Interact with one or more subviews as a container 2.AppBarLayout It is inherited from LinearLayout and the de ...

1. Codcs string encoding and decoding The codecs module provides both stream and file interfaces to convert different representations of text data.Usually used to process Unicode text, but additional encoding is provided for other purposes. 1.1 Getting started with Unicode CPython 3.x distinguishes between text and byte strings.The bytes instan ...

File operation Open the file 2. Operate on the file handle 3. Close the file. open() has three parameters: 1. File path (folder path + file name + file type); 2. encoding mode; 3. Mode fl = open('d:\python.txt',encoding='utf-8',mode='r') #d:\python.txt is a TXT file named Python under my disk D. when I write this file, I write it with subli ...

Preface In recent years, the scale of e-commerce transactions in China is growing, online orders are increasing, and returns and exchanges are becoming more and more common.Return and exchange link is an important part of online shopping process, and also an important aspect reflecting e-commerce platform and business service level.At the same ...

1, Environment introduction Operating system introduction: ubuntu 18.04 FFMPEG version: 4.4.2 Camera: USB camera, virtual machine attached camera of the machine 2, Download and compile FFMPEG and X264 X264 download address: http://www.videolan.org/developers/x264.html FFMPEG download address: ...

0x00 about Android manifest.xml Android Manifest.xml is a required file in every Android program. It is located in the root directory of the whole project, and the Manifest file provides basic information about the application to Android System, which is required by the system to run any applicati ...

In win10 system, there are several character codes for TXT files, ASCII, ANSI, UTF-8, UTF-8 with BOM, UTF-16LE, UTF-16BE. In general, UTF-8 encoding is used by default. This encoding is universal and can express any language, but it also has the disadvantage that the encoding length is not equal. Her ...

Article directory Novel coronavirus pneumonia: total data of domestic sub provincial date (1.16 cases): Download the original json format data Data download in csv format 2. Data source and capture Data delivery process Download and organize data into csv Novel coronavirus pneumonia: total dat ...

Crawling website: first PPT( http://www.1ppt.com/ )This website really has a conscience As always, start with the last successful source code: import requests import urllib import os from bs4 import BeautifulSoup from fake_useragent import UserAgent def getPPT(url):      f = requests.get(url,headers=headers)   #Send out GET request      f.enc ...