Metrics type in Prometheus

From the perspective of storage, all monitoring indicators are the same, but there are some subtle differences in these metric s in different scenarios. For example, the indicator node_load1 in the sample returned by Node Exporter reflects the current system load status, and the sample data returned by this indicator is constantly changing as ...

Posted by mk_silence on Sun, 01 Jan 2023 14:17:59 +0300

Mathematical Modeling - Interpolation and Fitting

1. Interpolation and fitting 1. What is interpolation and fitting?  Interpolation and fitting is to construct a function through sample data. If the constructed function image is required to pass through all sample points, it is interpolation, otherwise it is fitting. 2. Commonly used one-dimensional interpolation methods (1) piece ...

Posted by russy on Fri, 30 Dec 2022 07:58:35 +0300

Detailed records of java and python calling matlab programs

Background Regarding Java and Python calling matlab programs, there are many related articles on the Internet, but the quality is not good, and some prerequisites are not introduced. If you follow his steps, he succeeds, but you fail. You are very confused.I think it is difficult for us to search for something now because some people write ...

Posted by mikebr on Wed, 28 Dec 2022 03:31:29 +0300

Python crawler actual combat, requests+pyecharts module, Python realizes data visualization of new crown epidemic (with source code)

foreword What I will introduce to you today is Python to crawl the data of the new crown epidemic and realize data visualization. Here, I will give the code to the friends who need it, and give some tips. First of all, before crawling, we should pretend to be a browser as much as possible without being recognized as a crawler. The basic thing ...

Posted by Steffen on Sat, 10 Dec 2022 21:11:12 +0300

R language performs text sentiment analysis on twitter data | with code data

Original link: http://tecdat.cn/?p=4012Recently we were asked by a client to write a research report on text sentiment analysis, including some graphics and statistical output.We take the Twitter data captured by the R language as an example, conduct text mining on the data, and further conduct sentiment analysis, so as to obtain a lot of inter ...

Posted by grazzman on Thu, 08 Dec 2022 03:51:50 +0300

Using Python and Keras for principal component analysis, neural network construction and image reconstruction

the introduce These days, there's a ton of data in just about every app we use—listening to music, browsing a friend's images, or watching a new trailer. Recently we were asked by a client to write a research report on image reconstruction, including some graphical and statistical output. Principal Component Analysis PCA Di ...

Posted by ranjita on Wed, 07 Dec 2022 01:48:04 +0300

Digital Image Processing--Image Filtering

Digital Image Processing – Image Filtering 1 main content A. Select the experimental image for the experiment, complete image reading and display, and add noise to the image; B. Write the filter functions of three image filters; Among them, the general specific implementation steps of mean filtering are: 1. Select a (2n+l) x (2n+l) wind ...

Posted by jd57 on Tue, 29 Nov 2022 05:01:34 +0300

FastAPI from entry to actual combat - setting Cookie and Header parameters

The previous article recorded the content related to front-end authentication. This note mainly records the content related to the request header, including a request message analysis of http, fastapi setting cookie and parameters, fastapi setting request header parameters, etc. HTTP Request The HTTP request message is divided into three pa ...

Posted by jaymoore_299 on Tue, 29 Nov 2022 02:52:41 +0300

python data type conversion and operators

This section needs to know Reserved Words and IdentifiersUnderstanding Data Types in Pythonbasic data typeConversion between data typeseval() functiondifferent base numbersoperatoroperator precedencesmall classroom tasks 1. Reserved words true='real' True='real' File "<ipython-input-2-0244e2f5e602>", line 2 True='real' ^ ...

Posted by wardo on Wed, 23 Nov 2022 03:48:14 +0300

Python obtains free proxy IP, but few can use it?

Hi everyone, hello! I am a little panda ❤ About why IP proxy is needed: When collecting data, collecting data in batches, the request speed is too fast, The website may block your IP <Your network cannot access this site> The IP proxy changes to another IP, and then collects the request data Source code and information click ...

Posted by cavolks on Fri, 18 Nov 2022 21:22:57 +0300