want to use graylog to store the login log of the system. The java code is as follows: private static void send(String host, int port, Map<String, Object> params) throws Exception { if (SOCKET == null) { SOCKET = new DatagramSocket();...
A maven project user and administrator put two sets of pages in two maven sub-modules, and then use another sub-module to do war,. I would like to ask, how can I access the page of the sub-module ...
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https: www.jianshu.com p 2ab. for example, this sentence LoadLoad Barrier: for such a statement, Load1; LoadLoad; Load2, ensures that the data to be read by Load1 is read before the data to be read by Load2 and subsequent read operations is accesse...
@RequestMapping("poster add") @ResponseBody public ResultVo addPoster(Long categoryKey, Long typeId, String typeValue, @RequestBody List<ActivityPosterImageVo> imgList, HttpServletRequest request, ...
character encoding has been set before getting parameters req.setCharacterEncoding("GB2312"); but it s still garbled ...
public static void printObjects(List<List<?>> args) { } public static void main(String[] args) { List<List<String>> list = new ArrayList<>(); printObjects(list); } now you want List < list ...
one class @Entity public class Shuo{ @Id @GeneratedValue private int id; private String title; private Date date; String content; @ManyToOne(cascade = CascadeType.REFRESH) @JoinColumn(name = "user_id") private User user; : @OneT...
I would like to ask you heroes, are there any good netty projects that can be used to practice? recently studied netty, to go over the basics, hoping to do some projects to consolidate ~ ...
what tools or technologies are available for, java web ...
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I use this operation in a loop that is called frequently. I think using String intercepting and BigDecimal will produce a large number of objects, so it s not appropriate what I m doing now is . float total = total; int left = ((int) (to...
submit data with this.$http.post, and the value received in the backend controller is always empty. Here is the code using JSON.stringify () serialization has no effect either ...
at present, a project needs to do a resource management system. At present, the system can only be used in the intranet environment of the customer group, as long as each branch can be accessed through the intranet. However, customers put forward the ne...
how to dynamically replace the title bar of different activity? The elements on the title bar are different on different activity. Thank you ...
cascading deletions are actually performed but in practice, it is this kind of pseudo deletion that creates flag and assigns 0,1 . is there a callback method that can handle the logic of deletion? Only in this way can we write custom delete logic h...
when I make an object move by holding down a key, the object usually moves one unit of distance, and then moves continuously in a certain unit. So, in the way of movement, there is often a time interval from a starting unit to a continuous unit, how to e...
Mysql create stored procedure: create procedure s_add(in a int, in b int, out sum int) begin set sum = a + b; end After , this is the Java code package ch04.servlet; import java.io.IOException; import java.io.PrintWriter; import java.sql.Ca...
when I actually use it, it s not what the documentation says. my thymeleaf version The code calls the tostring method of the class in this way <script> console.log([[${games}]]) < script> chorme console: an error will be prompted, b...
How do I get the absolute path of the current class when setting properties in the Java annotation? ...
49265909 album 11501536 how to write regular to extract the above 11501536? The regular level is relatively poor, which god will take a look at it? Thank you here ...
I use the custom upload adapter of custom ckeditor5, which can upload normally, but I don t use the official adapter to clear the files that failed to upload, and I use my own adapter. After failure, the edit box cannot be edited class MyUploadAdapter...
1, Alipay opens the web page, the code inside the html has changed, but the page is still the same as before, is there any way to solve it? (it is sometimes possible to add parameters after url) 2, a pop-up box is displayed, the list on the left is clic...
the login of our project is to determine whether there is token in the localStorage when the user enters Mini Program. If not, the page prompts the authorization login = "call getUserInfo when you click the authorization login button = " the authorizat...
Android Studio run app error Error while Launching activity error content: Error while executing: am start-n "com.example.xhdqzz.myapplication com.example.xhdqzz.myapplication.MainActivity "-an android.intent.action.MAIN-c android.intent.category.LAU...