Programmer Group

concept For the current common "one-page application", the advantage is that the front-end can handle more complex data models in a more comfortable way, while transforming based on the data model for better interaction. Behind good interaction is a model that corresponds to the state of a page component, which is arbitrarily called ...

Difference OpenId: Authentication: authenticationOAuth: aurarize: authorization Enter the account password, and QQ confirms that the correct account password can be used for login -- > authentication The following check boxes need to be checked (get nickname, avatar, gender) -- > authorization OpenID When you need to visit website A, w ...

Coding specifications in the work, which need to be written in the future. Before encoding, first write according to Alibaba's development specifications, if using idea, use its plug-ins. In the case of springmvc, the following styles are best used to define the path: @RequestMapping(value = "/upda ...

First appeared in Enaium's personal blog Modify package name, json file, add run stop First, modify the package name Change ExampleMod.java to ExcelInitializer.java Modify the JSON files modid.mixins.json and fabric.mod.json Change modid.mixins.json to excel.mixins.json Contents of excel.mixins.json: { "required": true, "package": "cn.e ...

Article directory Handling JSON data 1. Edit the Book class 2. Edit BookController controller 3. Convert set data 4. Replace the converter 1) Use Gson 2) Using fastjson Jiang Shuai, Naixue education, is good at system architecture design, big data, operation and maintenance and other technica ...

I. Introduction 1. background There are many problems in traditional Session based verification, such as Session expiration, excessive server overhead, inability to deploy in a distributed way, and unsuitable for projects with front-end and back-end separation. Traditional token based verification ...

Handle conversion of Date type fields to timestamps in Databases There are two ways to solve the date conversion Json problem: 1. (Not recommended) Local modification, custom annotation to convert date type to Date type. 2. (strongly recommended) Global modification, configure in XML (Spring MVC) or in Application.Java startup classes (Spring b ...

Preface This paper includes the following contents: Popular walking routes in Hangzhou Gradient scatter All are examples officially provided by eckarts. This article will implement them through Pyecharts. Popular walking routes in Hangzhou Because Baidu map needs to be called in the code, you nee ...

Visual dynamic analysis of national epidemic situation - [force plan] 50 meters of gas field -- new open source project Visual dynamic analysis of national epidemic situation - [force plan] @[toc] Preface 1. text 1. The first step is to obtain data 2. The second step is to obtain longitude and l ...

Demand background The business system stores all kinds of reports and statistical data in ES. Due to historical reasons, the system makes statistics in full amount every day. As time goes on, the data storage space of ES is under great pressure. At the same time, because the use of ES index is not well planned, some indexes even exceed the max ...