Tag:information

  • One person develops a product, applet from 0 to 1, Chapter 3 framework syntax

    Time:2020-10-27

    Many resumes have “proficient” in the word, but the basic knowledge is not qualified. It is suggested that the comrades who study programming should be patient and start from frame grammar. Otherwise, one day, you still have to learn from frame grammar. JS of wechat applet is a set of script language, combined with wxml, […]

  • Understanding JWT (JSON web token) authentication and python practice

    Time:2020-10-25

    Recently want to do a small program, need to use the authorization authentication process. Previous projects used oauth2 authentication, but it is not convenient for sanic to use oauth2. I want to try JWT authentication.The main content of this article is the authentication principle of JWT and the practice of Python using JWT. Several common […]

  • Analysis of connected react router

    Time:2020-10-25

    connected-react-routerThis library helps us realize thereduxThe routing method is operated in, and the route change information is synchronized in thereduxOfstoreMedium. Implementation process actionsencapsulationpush、replace、goAnd so on middlewareinterceptactionsInformation, trigger, packagedactionmethod reducernewly addedrouterState information for ConnectedRouterThe component monitors the route changes and updates the routing information to thestore Dependency library and directory structure Dependency Library history react-router directory […]

  • Understand mybatis gradually through the project

    Time:2020-10-23

    Related reading: 1、Understand mybatis < 1 > step by step through the project 2、Understand mybatis < 2 > step by step through the project All code and documents of this project are hosted in GitHub address:https://github.com/zhisheng17/mybatis Advanced knowledge of mybatis Schedule: analyze the order item data model Order item data model Data model analysis ideas: […]

  • Understand mybatis gradually through the project

    Time:2020-10-23

    Related reading: 1、Understand mybatis < 1 > step by step through the project 2、Understand mybatis < 2 > step by step through the project All code and documents of this project are hosted in GitHub address:https://github.com/zhisheng17/mybatis Advanced knowledge of mybatis Schedule: analyze the order item data model Order item data model Data model analysis ideas: […]

  • Wechat applet development: Python + sanic to achieve small program login and registration

    Time:2020-10-23

    When developing wechat applet, the authorized login of access applet can quickly realize the steps of user registration and login, which is an important step to quickly establish user system. This article will introduce the full stack solution of Python + sanic + wechat applet to realize users’ fast registration and login. The login sequence […]

  • Mongodb brief introduction and installation

    Time:2020-10-23

    Introduction to mongodb MongoDBIt’s a kind ofNoSQLDatabase, it’s indata storage In the form ofMySQLThis kind ofrelational databaseThere are essential differences.MongoDBThe basic object of storage isDocumentSo we call it a kind ofDocument database, and theaggregateIt is composed ofCollection。 AndSQLThe conceptual analogy of,CollectionCorresponding toTableandDocumentCorresponding toRow。DocumentUse aBSON(Binary JSON)Structure,JSONEveryone is familiar with it, like this. Mongodb application scenarios Game […]

  • Understand mybatis gradually through the project

    Time:2020-10-23

    Related reading: 1、Understand mybatis < 1 > step by step through the project 2、Understand mybatis < 2 > step by step through the project All code and documents of this project are hosted in GitHub address:https://github.com/zhisheng17/mybatis Advanced knowledge of mybatis Schedule: analyze the order item data model Order item data model Data model analysis ideas: […]

  • Discount maintenance of hybris order price

    Time:2020-10-23

    Create a new order in backoffice, maintain a line item, and add a product: In the subtotal interface of line item, maintain base price, and in the discount values field, enter discount information: Discount: 10.00%: Go back to the order interface, click the recalculate price button, and you will see the message that 1 * […]

  • From scratch handwriting cache framework (12) random characteristics of redis expire expiration and its implementation

    Time:2020-10-23

    preface Java implements redis from zero handwriting? Java realizes redis from zero handwriting How to restart memory data without losing it? Java realizes redis from zero handwriting Another way to realize the expiration policy of redis (5) from zero handwriting in Java Java realizes redis from zero handwriting Java handwritten redis from scratch (7) detailed […]

  • Understand mybatis gradually through the project (4)

    Time:2020-10-22

    Related reading: 1、Understand mybatis < 1 > step by step through the project 2、Understand mybatis < 2 > step by step through the project 3、Understand mybatis < 3 > gradually through the project All code and documents of this project are hosted in GitHub address:https://github.com/zhisheng17/mybatis Delay loading What is lazy loading? Resultmap can realize high-level […]

  • Write a NoSQL database in Python

    Time:2020-10-21

    This paper is translated from what is a NoSQL database? Learn by writing one in Python The complete sample code has been put on GitHub, please click here, this is only a minimalist demo, designed to understand the concept If you have any comments or suggestions on the translation, please refer to issue for discussion […]