Data set comes from kaggle classic competition data set
According to the information in the data set, we use python machine learning to predict the survival of Titanic passengers.
My dataset has three formats: test, train and genderclassmodel, all in csv format
Fields in test and ...
Posted by jplock on Sat, 22 Feb 2020 22:20:40 -0800
Like, pay attention to, and form good habits
For details of the series of courses, please refer to superstar learning link: https://me.chaoxing.com (click to link)
Welcome to guide
Recently, superstar learning general course needs several cover pictures (the template picture is not sat ...
Posted by insanityonline on Sat, 22 Feb 2020 21:12:52 -0800
Target website: https://www.mn52.com/
The code of this article has been uploaded to git and Baidu. The link is shared at the end of the article
Target, grab all the pictures using the graph framework and save them locally.
1. Create a sketch project
scrapy startproject images
2. Create a spider
scrapy genspide ...
Posted by Hagaroo on Sat, 22 Feb 2020 20:51:09 -0800
1. PIL-Python image library
1.1 image gray processing
1.2 adjustment of dimensions and rotation
2. Matplotlib Library
2.1 drawing, tracing points and lines
2.2 image outline ...
Posted by gordonrp on Sat, 22 Feb 2020 20:04:12 -0800
Each section in the python3-cookbook explores the best solution of Python 3 to a given problem in three parts: problem, solution, and discussion, or how Python 3's own data structure, functions, classes, and so on, can be better used in a given problem.This book is very helpful for understanding Python 3 and improving Python programming capabil ...
Posted by Slashscape on Sat, 22 Feb 2020 08:48:46 -0800
[Python data visualization] Matplotlib learning notes (1)
Introduction: Matplotlib is a Python 2D drawing library, which generates publishing quality graphics in various hard copy formats and cross platform interactive environments. With Matplotlib, developers can generate graphs, histograms, power ...
Posted by jwilley on Sat, 22 Feb 2020 06:33:43 -0800
1, Use URL class
2, Use HttpURLConnection to send GET request
3, Use HttpURLConnection to send POST request
4, Download case
Compared with python, Java crawler is a bit more complex. A few lines of python code can grab a web page. Java may need dozens of lines or even more, so python has m ...
Posted by curtisdw on Sat, 22 Feb 2020 05:09:06 -0800
Using Python requests library to crawl educational administration system
When I was a sophomore, I felt that the school's educational administration system was particularly backward. It was very troublesome to use the functions of score query and schedule check. At that time, the official account of t ...
Posted by Dima on Fri, 21 Feb 2020 23:10:08 -0800
The business system stores all kinds of reports and statistical data in ES. Due to historical reasons, the system makes statistics in full amount every day. As time goes on, the data storage space of ES is under great pressure. At the same time, because the use of ES index is not well planned, some indexes even exceed the max ...
Posted by beefy23 on Fri, 21 Feb 2020 03:37:14 -0800
Each section of Python 3-cookbook discusses the optimal solution of Python 3 in a certain kind of problem by three parts: problem, solution and discussion, or how to better use the data structure, function, class and other features of Python 3 in a certain kind of problem. This book is of great help to deepen the understanding of Python 3 and i ...
Posted by Steve Angelis on Fri, 21 Feb 2020 01:52:28 -0800