python data visualization (matplotlib, scatter)

Data visualization 1.matplotlib matplotlib is probably the most widely used suite in Python 2D drawing. It allows users to easily graph data and provide a variety of output formats. This will explore the common use of matplotlib. Install matplotib pip install -i https://pypi.douban.com/simple/ matplotlib Test matplotib $python >>>impo ...

Posted by chrispos on Fri, 10 Apr 2020 07:19:46 -0700

How gRPC can save your development time

Thanks for sharing- http://bjbsair.com/2020-04-10/tech-info/53317.html At this point, you should have heard of "gRPC" (at least once in the title). In this article, I will focus on the benefits of using gRPC as a communication medium between microservices. First of all, I will try to briefly introduce the history of architecture evo ...

Posted by youscript on Fri, 10 Apr 2020 05:14:49 -0700

"Self portrait tutorial 57" Python "FastBoot one click brush

Most Android mobile phones / car phones / TVs and other mobile terminal devices, You can refresh the Android system version through fastboot, which is actually the swipe of multiple img files (image files). Preparation stage First, press the combination button (the combination button of each Android terminal is different, for example, some o ...

Posted by Stevis2002 on Fri, 10 Apr 2020 01:13:19 -0700

[Python 3 crawler] anti anti anti climbing: anti climbing

1, Introduction In the current anti crawling measures used by various websites, it is very common to use JavaScript encryption. Usually, JavaScript is used to encrypt a certain parameter, such as token or sign. In this example, we take this measure to anti crawl, using JavaScript to encrypt a parameter anti token, and this blog is about how to ...

Posted by Gordicron on Fri, 10 Apr 2020 01:06:50 -0700

Python Data Analysis and Machine Learning Practice - Tang Yudi Reading Notes Chapter 9 - Random Forest Project Practice - Temperature Prediction (2/2)

python data analysis personal study notes-directory index Chapter 9 - Random Forest Project Actual Warfare - Temperature Prediction (2/2) Chapter 8 has explained the basic principles of random forests. From a practical point of view, this chapter will complete the task of temperature prediction with Python toolkit, which involves several mod ...

Posted by holiks on Thu, 09 Apr 2020 23:05:45 -0700

Crawling Meituan Platform Gule Buffalo Mixed Hotpot Comments and Scoring Data Analysis and Visualization Processing

I. Thematic Web Crawler Design 1. Thematic web crawler name: Crawl the Meituan platform Gule Buffalo Mixed Hotpot Review and Scoring Data Analysis and Visualization Processing 2. Contents crawled by thematic web crawlers: Comments and rating data of Gule Buffalo Mixed Hotpot on Meituan Platform 3. Design overview: Implement ideas: Grab the data ...

Posted by EPCtech on Thu, 09 Apr 2020 21:53:03 -0700

Detailed usage of the Beautifulsoup module for python Crawlers

What is beautifulsoup: Is a Python library that can extract data from HTML or XML files.It enables you to navigate, find, and modify commonly used documents through your favorite converter.(Official) beautifulsoup is a parser that parses content specifically, eliminating the hassle of writing regular expressions. Here we are using bs4: 1. Impor ...

Posted by vimukthi on Thu, 09 Apr 2020 19:51:55 -0700

python's regular expression (re function, greedy and non-greedy)

We connect Linux to implement regular expressions 1. Python3 Regular Expressions Regular expressions are a special sequence of characters that help you easily check if a string matches a pattern. Python has added the re module since version 1.5 to provide Perl-style regular expression patterns. The re module gives the Python language full ...

Posted by zrocker on Thu, 09 Apr 2020 10:48:30 -0700

Python glitz operation: seven ways to merge Dictionaries

WeChat official account: Python programming time. Python language has many (and more and more) advanced features, which are very popular with Python enthusiasts. In the eyes of these people, to be able to write out the advanced features that ordinary developers can't understand is a master, a God. But you know, in teamwork, showing off your s ...

Posted by msing on Thu, 09 Apr 2020 10:28:23 -0700

Docker multi container management - Docker Compose

Docker provides a container choreography tool, Docker Compose, which allows users to define a set of associated application containers in a template (YAML format). This set of containers will be based on the "– link" and other parameters in the configuration template. To automatically sort the priority of startup, simply execut ...

Posted by psunshine on Thu, 09 Apr 2020 08:11:53 -0700