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Original link🔗: https://www.jianshu.com/p/72b0c9bd3967In the early days, clickhouse only supported a single storage device. After version 19.15, data can be saved in different storage devices, and data can be automatically moved between different devices. So that clickhouse can realize stepped multi-layer storage, that is, the cold and hot dat ...

1 nn.L1Loss 　　torch.nn.L1Loss(reduction='mean') It is MAE(mean absolute error), and the calculation formula is 　　　　$\ell(x, y)=L=\left\{l_{1}, \ldots, l_{N}\right\}^{\top}, \quad l_{n}=\left|x_{n}-y_{n}\right|$ 　　　　$\ell(x, y)=\left\{\begin{array}{ll}\operatorname{mean}(L), & \text { if reduction }=\text { 'mean'; } \\\operatornam ...

01 introduction In the previous blog, we learned Flink's File Sink. Interested students can refer to the following: Flink tutorial (01) - Flink knowledge mapFlink tutorial (02) - getting started with FlinkFlink tutorial (03) - Flink environment constructionFlink tutorial (04) - getting started with FlinkFlink tutorial (05) - simple analys ...

Vue 2.x notes Notes of common knowledge points. If there are mistakes, you are welcome to give advice. If the number of words exceeds 10000, you have to taste them carefully catalogue Vue 2.x notes 1. Create a new Vue instance2. Prevent production prompt generation3. Template syntax 3.1 interpolation syntax3.2 instruction syntax ...

All chapters > > > > Article catalogue 1, v-for instruction 1. Use of v-for instruction2. Practical exercises (to be updated) 2, Calculation properties 1. Calculation attribute creation and use2. Practical exercises (to be updated) 3, Listening properties 1. Create and use listening properties2. Practical exercises (to ...

5. Controller and RestFul 5.1 controller The complex controller provides the behavior of accessing the application program, which is usually realized by interface definition or annotation definition. The controller is responsible for parsing the user's request and transforming it into a model. In Spring MVC, a controller class can contain mult ...

Pinia pinia is now the official state library of Vue. It is applicable to vue2 and vue3. This paper only describes the writing method of vue3. image-20220217155244154.png Advantages of pinia Compared with the previous vuex, pinia has the following advantages Simpler writing method, clearer and concise code, and support the syntax of &qu ...

catalogue 1, Database description 1. Database 1.1 common database management systems 1.2 login to mysql 1.3 change password 1.4 mysql uninstall 2. MySQl details 2.1 relationship between SQL, DB and DBMS Table 2.2 2.3 SQL statement classification 2.4 importing data 2.5 understanding of SQL script 2.6 common SQL commands 2.7 create ...

Config. What is XML and what is its functionConfig.xml is a global configuration file of cordova project It can control some global configurations of the whole project To facilitate the use of cordova CLI, config XML is put here, which is actually under the project root directory app/config.xml. It should be noted that before version 3.3.1-0. ...

Vue basic syntax 1.v-bind2. Conditional rendering3. List rendering4. Binding event5. Bidirectional data binding6. Use of components [crazy God talking about Java] Vue's latest quick start tutorial is easy to understand Notes: Vue basic syntax, Vue binding events, Vue two-way binding, Vue component explanation. 1.v-bind v-bind is ...