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Interface oriented programming You have learned object-oriented programming and interface before, but in real development, we often choose interface oriented programming Root cause: decouple, expand, improve reuse, in layered development, the upper layer doesn't need to care about the specific implem ...

Author: Wei Xinping, the 5th MySQL practical class student of zhishutang, the 10th MySQL optimization class student, now works as a teaching assistant. Read MySQL 5.7 document 11.2 Date and Time Data Types MySQL can be divided into five types: date, datetime, timestamp, time, and year. Next, I'd like to introduce you one by one. DATE type Store ...

Although it's convenient to use the configuration in Abp, it's a troublesome thing to define the key in each configuration first, define it in the provider, and then use the key to get it from ISetting, The most important thing is to get changes. For example, to modify user configuration, it is more difficult to get a batch of key/value to retu ...

Each time this page is opened, the backend generates a certificate based on Session if(!isset($_SESSION['key_pub'])){ $rsa_model=new \Home\Library\Org\Util\Rsa(); $_SESSION['key_pub']=$rsa_model->privateKey; $_SESSION['key_pri']=$rsa_model->privateKey; } $this->assign("pub_token",$_SESSION['key_pub' ...

Specific reference: Alicloud tutorial This paper is a summary of pit falling 1. In the section of modifying httpd.conf configuration file, you need to make the following settings #Loadmodule SSL ﹣ module modules / module ﹣ ssl.so ᦇ delete the comment symbol of configuration statement at the beginnin ...

Java send mail 163 email to 163 email, enterprise email, QQ email, etc As mentioned in the last article java sends QQ mail , and Several ways to send mail ; in this article, we will talk about how to match all mail in the enhanced version. The following Demo is to send a plain text email, but part o ...

JSP: 1. instruction *Function: used to configure JSP pages and import resource files * format: <% @ instruction name property name 1 = property value 1 property name 2 = property value 2...% > * classification: 1. page: configure the *contentType: equivalent to response.setContentType() ...

Multiple students, corresponding to a teacher; For students, multiple students are related to one teacher For a teacher, there are many students in a teacher Many to one 1. Create the corresponding sql (mybatis.student, mybatis.teacher); 2 2. Import the corresponding dependency (pom.xml) <depend ...

In previous Demo, we used conditional GAN to generate handwritten digital images.So what else can we do with neural networks in addition to generating digital images? In this case, we use a neural network to color the wireframe of the Pocket Monster. Step 1: Import Usage Library from __future__ import absolute_import, division, print_function, ...

Article directory 1. Spring's IoC core container 2. Details of spring's bean management 1. Three ways to create bean s 2. Scope of bean 3. Life cycle of bean object 3. Dependency injection in spring 1. Use constructor 2. Use set method (more commonly used) 3. Use notes 4.Spring configuration note ...