Still worried about looking for a house, click to collect information one by one on the web page? Learn python, one click crawler
In the era of information explosion, how can you obtain effective information efficiently?
This small case also uses two key databases in python, requests and beautiful soup, to initiate requests and analyze web data. The little partners who are not familiar with the use of these two databases can c ...
Posted by monotoko on Sat, 13 Jun 2020 00:20:30 -0700
Learn these Python art skills and wait for your girlfriend to praise you
1, Foreword
Python has many libraries for image processing, such as pilot or OpenCV. Most of the time, it's useless to learn these image processing modules, but you don't know how to use them. Today, I've brought you some art skills to make your art come true. The circle of friends is full of praise. My girlfriend also praises you. How powerful ...
Posted by neutra on Fri, 12 Jun 2020 22:59:48 -0700
Data insight | Python interpretation stall - do you want to set up a stall to sell anything?
I know there is a problem: after the epidemic, what is the most thing you want to do?
Many people study python and don't know where to start.Many people learn python, master the basic syntax, do not know where to find cases to start.
Many people who have already done cases do not know how to learn m ...
Posted by titel on Fri, 12 Jun 2020 02:21:10 -0700
unet network magic changes those things
Reference City Community
In the task of image segmentation, especially in medical image segmentation, U-Net[1] is undoubtedly one of the most successful methods. This method was proposed at the 2015 MICCAI conference and has been cited more than 4000 times. The structure of encoder (down sampling) - ...
Posted by kevinak on Fri, 12 Jun 2020 01:05:46 -0700
Django form form upload file
File upload of Django's form form
When generating input tags, you can specify the type of input tag as file type
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h4>{{ error_message }}</h4>
<form action="/index/" method="pos ...
Posted by phpnewbieca on Thu, 11 Jun 2020 22:50:09 -0700
OpenCV for multi-target tracking
OpenCV for multi-target tracking
Project framework
Code block analysis
Full code and resource download connection
Experimental framework, modules used
The experimental framework is as follows
├── mobilenet_ssd
├── MobileNetSSD_deploy.caffemodel
└── MobileNetSSD_deploy.prototxt
├── multi_ob ...
Posted by evilMind on Thu, 11 Jun 2020 21:30:48 -0700
Note: Chapter 9 of High Performance Python
This chapter is about parallel computing, accounting for more than 60 pages. After reading it, we have to straighten out and digest this big lump of things.
1. Using Monte Carlo simulation to estimate pi.
The logic is simple: put the needle in the unit square of the coordinate system, calculate the proportion of the needle falling in the 1 / 4 ...
Posted by dunnsearch on Thu, 11 Jun 2020 20:43:15 -0700
Python dictionary usage
Python dictionary usage
There is also a data structure in python that is particularly important, that is, a dictionary. The dictionary is composed of key value one-to-one correspondence. Such key value combinations are called terms. Key and value are separated by ':', and items are separated by ','.
T ...
Posted by amitdubey2 on Wed, 10 Jun 2020 21:07:23 -0700
Building neural network model with Python and Numpy
1: Boston house price forecast task
In the previous section, we have a preliminary understanding of the basic concepts of neural networks (such as neurons, multi-layer connections, forward computing, calculation charts) and three elements of model structure (model hypothesis, evaluation function and ...
Posted by ~n[EO]n~ on Wed, 10 Jun 2020 20:33:04 -0700
python crawling Douban short film review + CI Yun
1, requests+lxml non login crawling Douban data
1. First, open Douban and find the url of the short movie review you want to crawl, for example:2. Open the developer tools in the web page, and most computers can press F12 directly, but there are also differences. For example, ThinkPad uses Fn+F12 to open, find the network in the page - > cli ...
Posted by jpopuk on Tue, 09 Jun 2020 22:25:09 -0700