I just thought of this, and I wanted to ask I also have a few ideas of my own. I don t know if they are correct. Please give me some advice . try to implement the logic in the background rather than in the foreground. for example, just now I wan...
how is the traffic routing of ele.me double active project designed? API Router ...
the test case cannot roll back the data and is inserted directly into the database? applicationContext.xml <context:annotation-config>< context:annotation-config> <!--dataSource--> <bean id="dataSource" class="org...
the same maven project runs normally under STS. After importing idea, start tomcat to report to ConflictingBeanDefinitionException, but I m pretty sure there is only one ReportController class under this project. error message: 26-Apr-2018 20 org.ap...
I want to write my own blog system with Java, but I don t know how to write the logic of accessing a blog post. If you use dynamic web pages to generate, this is relatively simple, but the server is very stressful. Excuse me, how does the blog system ge...
big head. ...
how should I open the index implementation on the home page of the website to query the relevant data from the background database and then bind it to the page? ...
how to use Fastjson, to only process the request message and not to process the return message, or to use the original processing method of SpringBoot? the code to add the Fastjson converter is as follows: @Bean public HttpMessageConverters f...
now there is a third-party package, and the project must introduce one of its classes, so you just want to inject its dependency into it. This kind of dependency cannot be modified, and it is best not to configure it with xml ....
I hope to be able to perform setAttribute ( "key ", value) operation on request in filter of zuul, and then the downstream service can obtain data through request.getAttribute ( "key "); but the result does not happen as expected. Adding attribute to re...
the request under spring security oauth2, control api is used on the basis of the original spring security. I browsed a lot of configurations on the Internet, but during the test, I found that the resource control of spring security and the resource c...
I don t understand; Why not all pass strings directly ...
seniors, use SpringJPA for the first time. Now the entity class has a field that looks like this: private String movie_id; and I want to sort through this field. After inheriting PagingAndSortingRepository, the code is: Sort sort = new Sort(...
this is a Spring project, the first PropertyPlaceholderConfigurer, in context-aaa.xml is mainly to configure JDBC properties https: jira.spring.io browse. I found the solution: The alternative is to (a) use the new PropertySourcesPlaceholderCon...
use this.clearCachedAuthenticationInfo () to pass in tokens, and also execute this.clearCachedAuthorizationInfo () operation to empty the authorization information. The above two operations are the same principals . In Debug, it is found that the r...
recently, when (spring) integrates redis in a project, I always hold a null pointer exception when going to the factory instance: but the unit test is always normal: the following is the redis-config.xml file public class SpringContextUtil implement...
web.xml <!-- --> <filter> <filter-name>ClientTokenFilter< filter-name> <filter-class>com.ustcinfo.bia.common.filter.ClientTokenFilter< filter-class> < filter> <filter-mapping...
The Debug in permission list filterChainDefinitionMap is as follows: filterorg.apache.shiro.web.filter.AccessControlFilter: subject.isPermittedDebug: error message: java.lang.IllegalArgumentException: Wildcard string cannot be null or empty. M...
in springboot, how to use code to directly configure Redis, without configuration information in properties? template not found yet. ask for help. ...
maven refers to the third party jar package path configuration right to start tomcat report NoClassDefFoundError error message: critical: Exception sending context initialized event to listener instance of class [org.springframework.web.context.Conte...
< H2 > when exporting a table with phpexcel, one of the problems is how to style a column < H2 > < H2 > because there are too many rows, the corresponding cell or row style is set, and the method is called too many times, resulting in the export is too...
I set up a page to query the background data and put a button on the page. I hope that after pressing the button, I can get the corresponding data through JSP and fill it back into the text input box of the html page. How can I do that? ...
1 problem description the actual combat is to use the code in the slim framework to use inception_resnet_v2 s pre-training network to train their own data sets for classification. But there is . InvalidArgumentError (see above for traceback): Assign...
as mentioned above, I want to count the number of records in the database. If a field is required to repeat, the count is 0. For example: a database of car sales invoices, in which there is a frame number field referred to as CJHM. I want to count the n...
wants to handle some business logic in computed, but ESlint prompts that variables in data cannot be reassigned in computed; is there a better way for to handle it? Except for putting it in watch computed: { userData() { const ...