From nothing to useful Python to create a programming language of its own 1

Preface If you can compile the principle, understand the lexical analysis algorithm and syntax analysis algorithm, you can use any language to do such a thing. The reason why you use Python is that Python has the longest and most handy programming language. The so-called performance is not in the scope of this paper, the main focus of this pap ...

Posted on Mon, 17 Feb 2020 01:37:06 -0800 by ram4nd

Spring cloud 23. The Config client obtains the configuration on GitHub through the Config server.

Spring cloud config client configuration and testing ① Create a new file in the local D: \ yunweigongchengshi \ microservicecloud config path microservicecloud-config-client.yml.       ② microservicecloud-config-client.yml content. microservicecloud-config-client.yml. spring: profiles: ...

Posted on Sun, 16 Feb 2020 23:09:55 -0800 by mark_18

Mount the web page to github (super detailed)

First step Log in to Github account, and then create a remote warehouse. Here we name it bird. After creation, copy its ssh URL for standby The second step Enter bird warehouse, selec ...

Posted on Sun, 16 Feb 2020 03:21:52 -0800 by theDog

Adapter group encapsulation

YCGroupAdapter 01. Leading edge description 1.1 case display effect 1.2 functions and advantages of the library 1.3 introduction to relevant categories 02. How to use 2.1 how to import 2.2 simplest use 2.3 suggestions for use 3 commonly used api 3.1 custom adapter 3.2 notify related 3.3 click event listener 04. Implementation steps 4 ...

Posted on Sat, 15 Feb 2020 21:52:15 -0800 by Stuie_b

Using Leader Selection in Kubernetes to realize high availability of components

In Kubernetes, Kube scheduler and Kube controller manager are usually deployed with multiple replicas to ensure high availability, while there is only one instance that is actually working. Here we use the leader selection mechanism to ensure that the leader is in working state, and after the leader is hung up, select a new leader from other no ...

Posted on Sat, 15 Feb 2020 11:28:58 -0800 by Canabalooza

Target detection in Python

I. Preface From learning single-chip computer and C language to learning CV and Python, I got a lot of help in CSDN, Jianshu, blog Park and github, so I also want to share some of my own small things to you, hoping to help others. mark, the first blog to record life. 2, Image detection steps 1. Read two pictures The first one is the small objec ...

Posted on Sat, 15 Feb 2020 05:54:52 -0800 by philicious

axios principle

1: Learn about axios Basic concepts: axios is an HTTP client based on promise for browsers and Node.js, or axios is an asynchronous Ajax request Library Based on promiseFeatures: (gitHub has a detailed introduction) 2: axios principle In essence, Axios is the function returned by Axios.prototype ...

Posted on Thu, 13 Feb 2020 23:17:06 -0800 by calevans

Machine learning feature Engineering 3 - feature tools

FeatureTools introduction Featuretools is a framework for performing automatic feature engineering. It is good at transforming interrelated data sets into feature matrices for deep learning. We can divide the operations of feature construction into two categories: transformation and aggregation. Let's use the following example to l ...

Posted on Thu, 13 Feb 2020 10:54:29 -0800 by Rik Peters

Is there a JavaScript / jQuery DOM change listener?

In essence, I want to execute scripts when the content of DIV changes. Because scripts are separate (content scripts in Chrome extensions and web scripts), I need a way to simply watch the DOM state change. I can set up polling, but it seems sloppy. #1 building The other method depends on how you change the Div. If you use JQuery's html ...

Posted on Thu, 13 Feb 2020 04:27:25 -0800 by DjNaF

Topic of the 2020 Pyton Developer Online Technology Summit: Technology Implementation of the Crawler Framework and Experience Sharing with Module Applications

Article Directory 1. Preface 2. Some of the concepts we must know about Crawlers 2.1 Definition of a crawl 2.2 Legal risk of Crawlers 2.3 Understanding crawl types from crawl scenarios 2.4 Basic techniques and crawl framework for Crawlers 3. Data Grabbing Technology 3.1 Tencent NPC epidemic data d ...

Posted on Wed, 12 Feb 2020 18:00:13 -0800 by jumphopper