Technology reference: uuid
UUID is the abbreviation of universal unique identifier. It is a standard of software construction and also a part of Open Software Foundation in the field of distributed computing environment. Its purpose is to make all elements in the distributed system have unique identific ...
Posted on Tue, 25 Feb 2020 06:47:12 -0500 by Snart
1, Understand MongoDB database?
Introduction: MongoDB is written by C + + language. It is an open source database system based on distributed file storage. It is a document oriented database. It is JSON like data format, free and flexible.
Advantages: scalable clustering, mass data storage, fast q ...
Posted on Sat, 22 Feb 2020 04:06:55 -0500 by liro
In my opinion, starting with a simple project, you will learn quickly.
In a project, when you find a problem, you say it.
If you have any mistakes, please correct them. I will correct them. Also welcome to exchange.
There are many basic python tutorials on the Internet. After all, they are basic, so mos ...
Posted on Fri, 21 Feb 2020 06:30:14 -0500 by keyoung
Section 368, Python Distributed Crawler Build Search Engine Scrapy Speech - Auto-Complete Search with Django
Elasticsearch provides an auto-completion interface
Official note: https://www.elastic.co/guide/en/elastic search/reference/current/search-suggesters-completion.html
1. Create search auto-comple ...
Posted on Mon, 17 Feb 2020 22:26:34 -0500 by phpQuestioner_v5.0
Today's introduction is: if you use Python to make data screens, you will start from the most basic. If you are familiar with django and python, you can skip it directly
Project function design:
Regularly crawling epidemic data into Mysql (crawler)
Data analysis and epidemic report (statistical part) ...
Posted on Wed, 12 Feb 2020 04:27:20 -0500 by schandhok
1. html page parsing
2. url configuration of html
3. Path settings for static files, such as css and js
Now copy the html page to the templates folder
Create a new static folder static copy css, js, image, img to the static folder
urls.py file configuration homepage url
# _*_ encoding:utf-8 _*_
"""MxOnline URL Co ...
Posted on Sun, 09 Feb 2020 10:37:54 -0500 by yuppicide
Introduction to artificial intelligence lesson 1: handwritten font recognition and visualization project (mnist), using technology (Django+js+tensorflow+html+bootstrap+inspinia framework)
Direct image, project effect
1. Training model
70 lines of code can do the tr ...
Posted on Thu, 06 Feb 2020 04:57:36 -0500 by andychurchill
Before writing the basic usage of models.py, let's first understand the disadvantages of our own writing of sql:
As we write more and more projects, if we continue to use native sql statements to write, the following problems will occur:
The reuse rate of SQL statements is not high. The mor ...
Posted on Sat, 01 Feb 2020 02:29:42 -0500 by ankur0101
1 basic query
get queries a single result and throws a model class. DoesNotExist exception if it does not exist.
all queries multiple results.
count the number of query results.
<QuerySet [<BookInfo: Legend of archery Heroes>, <BookInfo: Dragon eight> ...
Posted on Wed, 29 Jan 2020 07:38:00 -0500 by stickynote427
The previous article talked about how to crawl the epidemic data of dingxiangyuan. However, because it is the page data directly returned by Django, it is not universal. Now it is planned to separate the front and back ends, and directly use js to request to load the Echarts map in the front end
Posted on Mon, 27 Jan 2020 09:07:07 -0500 by phpnewbie25