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What s the difference between and a direct request request ...
does not follow the process, unable to notify the backend to delete user_id, then the second login within the expiration time will return the login. What do I have to do in the front end, or what do I have to do in the background? ...
based on the framework of DUBBO,SSM and easyui, I wrote a function of uploading pictures, uploading and sharing music, and now I can t get that file tomcat in controller. <form id="upload_form" enctype="multipart form-data" ac...
as shown in the figure, I define a map1, in main and a map2,map2 in which the content is { "test ": "test "}, and then I assign map2 to map1, in the transform method, and finally I output map1. in main. But the result is {}, that is, its value is st...
1. If you want to make a ranking of users gold coins, only the highest 100 records will be displayed if displayed. 2. When it comes to using redis to do the ranking, most people will think of using sorted set to do it. But if there are millions of use...
according to the following tutorial settings of Code Cloud, the key has been successfully set. The last step: after being added, type ssh-T git@git.oschina.net in the terminal (Terminal) and there will be a problem. The question prompted by is: Warni...
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git remote add origin git@github.com:suiweinuv demo1.git Why remote Kujiao origin, when operating locally, but the real demo1? displayed on GitHub ...
< H2 > error < H2 > ERROR Failed to compile with 1 errors ...
one of the functions in my project is to write the data processed at the back end to the front end of excel, for download. There is no problem when writing data. However, when downloading, the backend reports the following error: but the path and fi...
ask God to answer ha, I have tried many times, but it still doesn t work. It can t be displayed on the jsp page. I don t know why. backend code: servlet code: EmployeeDao employeeDao = new EmployeeDaoImpl(); List<Employee> employeeLi...
if you write your own class, you can understand how to inject it, but how to inject a class that comes with java, such as File File file = new File (filePath) like this? and what if the filePath is calculated while the program is running? this is j...
for example, the function of backing up the database is encountered in the project, but the database itself is not installed on the machine where the project is running. Is there any good class library you can recommend? (^ ^) attachment: it is not f...
< H2 > pol.xml < H2 > <build> <plugins> <plugin> <groupId>org.springframework.boot< groupId> <artifactId>spring-boot-maven-plugin< artifactId> <...
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I have found many articles on utf8_unicode_ci, utf8_general_ci and utf8_bin collation on the Internet, and I generally know that ci is case ignore, etc., but I didn t mention what other collations mean . what does the utf8mb4_polish_ci collation her...
has the following code: public class Test{ @Autowired private Dao dao; @Autowired private Service service; @Transactional(propagation=Propagation.REQUIRED,rollbackForClassName="Exception") ...
did not find the error why it is always 404, is the directory wrong? There is no problem with rendering without templates with @ ResController, but not with @ Controller Whitelabel Error Page This application has no explicit mapping for error, s...
the content of Dockerfile is as follows: FROM centos ADD redis-2.8.16.tar.gz usr local rediscluster ADD redis.conf usr local rediscluster ADD redis2.conf usr local rediscluster ADD redis3.conf usr local rediscluster ADD sentinel.conf usr local red...
currently writing code related to monitoring and analysis, I have no idea about this requirement for the time being < del > ~ < del > ...
ado.content = item [1] how to write this in object structure? ...
can I set the validity period when I first contact nsq,nsq to publish a message? and subscribers have not consumed messages all the time. Can you set the validity period of messages like redis? ...
Deprecated: mysql_connect (): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in www wwwroot xcx.xxxxxx.com phpwxpay connect.php on line 11 ID order number, serial number, payment time the background o...
how can php71 be broken if the latest version of brew cannot be installed? ...