Tag:step

  • An artifact developed by Microsoft to experience the magical journey of code

    Time:2021-12-28

    [introduction]: codetour is a vs code extension officially developed by Microsoft, which allows recording and playback of code drills and ideas. brief introduction Codetour is a vs code plug-in, which allows you to record and play back the drills and ideas of the code base. We usually explain the function and logic of a piece […]

  • Applet automation

    Time:2021-12-27

    Construction steps:be careful:Python version must be above 3.8 (excluding 3.8)Win7 does not support Python 3.0 9, need to copy 3.91、 Software installation1. Win7 does not support Python 3.0 9. Copy 3.9: unzip python Rar to this directory D: / / dwxtest/2. To install nodejs:Official website:https://nodejs.org/en/ 3. Install pycharm:Official website:https://www.jetbrains.com/pyc… 4. Install development tools:Wechat official download […]

  • SAP ui5 beginner tutorial 13 – how to add a trial version of custom CSS classes

    Time:2021-12-26

    A set of step-by-step learning tutorials for SAP ui5 beginners Tutorial directory Establishment of SAP ui5 local development environment One of the sap ui5 beginner tutorials: Hello World SAP ui5 beginner tutorial 2: bootstrap of SAP ui5 boot process SAP ui5 beginner tutorial 3: start touching the first SAP ui5 control SAP ui5 beginner tutorial […]

  • Flink frequently asked questions

    Time:2021-12-26

    1. Address org.org in Flink apache. flink. client. program. Programinvocationexception: not found in jar file Print the flash into the image in the form of jar package: then k8s pull the image for operation, and then report an error: Troubleshooting process:1. Go to the docker image specific directory to view:A package with a specific directory […]

  • Test and deploy fluent on GitHub actions

    Time:2021-12-25

    GitHub actions can easily automate all software workflows. Build, test, and deploy code directly from GitHub. Make code review, branch management and problem classification work as you want. I remember that at the end of the 19th year, I saw the article run fluent driver tests on GitHub actions, and then started to write in […]

  • Deploying code using GitHub actions

    Time:2021-12-24

    background Recently, I wrote a tool that needs to be run on the server. At the beginning, I directly used transmit to upload the code, but each update of the code must be synchronized. Moreover, because the server is abroad and the speed is slow, I took advantage of the holiday to deploy the code […]

  • New and malloc, free store and heap | handling understanding and sorting

    Time:2021-12-24

    Free storage and heap placement-new、new operator、operator new difference Demo1: operator new / operator delete New and malloc Free storage and heap reference resources:https://stackoverflow.com/que… reference resources:https://www.quora.com/What-is… reference resources:https://www.cnblogs.com/qg-wh… reference resources:https://blog.csdn.net/nie1994… Two dynamic memory regions. heap free store C + + memory layout Pile(malloc/free), stack, free storage(new delete), global / static storage, constant storage The difference between […]

  • flask_ Problems encountered in migrate database migration

    Time:2021-12-23

    The Python and pip versions I use are 3.6. The following example is based on this version. I wrote the manager Py file # coding:utf-8 from flask_script import Manager from flask_migrate import Migrate, MigrateCommand from ihome import create_app, db app = create_app(‘development’) manager = Manager(app) #Migration of integrated database Migrate(app, db) manager.add_command(‘db’, MigrateCommand) if __name__ […]

  • K-means algorithm analysis and code reproduction

    Time:2021-12-22

    K-means algorithm is one of the most commonly used clustering algorithms. This paper will analyze the algorithm and numpy reproduce the code. K-means analysis definition K-means is based on the assumption that similar sample points will form clusters in the feature space. In the k-means algorithm, N data points of sample set X and the […]

  • Android: the most comprehensive WebView explanation

    Time:2021-12-22

    preface Many apps now have built-in web pages (hyprid APP), such as many e-commerce platforms, such as Taobao, JD, Jubi, etc., as shown in the following figure Jingdong home page jpg So how can this be achieved? In fact, this is implemented by a component called WebView in Android. Today I will give a comprehensive […]

  • Spring boot integrates springdoc swagger 3

    Time:2021-12-21

    background Spring boot has been updated to v2.0 6 +, if you are still using the swagger interface document provided by spring fox, you will encounter the following errors: org.springframework.context.ApplicationContextException: Failed to start bean ‘documentationPluginsBootstrapper’; nested exception is java.lang.NullPointerException … Caused by: java.lang.NullPointerException: null at springfox.documentation.spring.web.WebMvcPatternsRequestConditionWrapper.getPatterns(WebMvcPatternsRequestConditionWrapper.java:56) ~[springfox-spring-webmvc-3.0.0.jar:3.0.0] at springfox.documentation.RequestHandler.sortedPaths(RequestHandler.java:113) ~[springfox-core-3.0.0.jar:3.0.0] The update speed of spring […]

  • Optimization algorithm learning | cuckoo algorithm principle and python implementation

    Time:2021-12-21

    Hello, guys~ It’s time for algorithm learning again, so today I’ll introduce a not too new algorithm – Cuckoo algorithm. Come and study together~ 01 algorithm background Cuckoo search algorithm (CS), as its name implies, must be related to cuckoo. Yes, this algorithm is a new natural element based heuristic algorithm proposed by British scholars […]