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? ...
what you want to achieve: click the registered member on the user list page, jump to the new member registration page, and then click the browser back button to return to the user list page, but at this time, the user list data you want to display is the...
id function Slider (id) { this.create(id) }; Slider.prototype = { create: function (id) { this.container = document.getElementById(id); this.list = document.getElementById( list ); ...
A background management system. After the user logs in, the upper right corner of the page displays "Welcome, admin " admin is the account logged in when login is successful, I will save token in cookie. Part of the code is as follows setCookie( ...
below is the form I use to update the broker data. There is a value of radio that I need to enter in the form. I take the value of the database and fill it into the input item. But only radio, the property of type, is not checked. So I wrote a paragraph...
thinkphp3.2.3 does not know where it has been modified, and all errors will not be prompted, but will not be prompted directly to find the web page of localhost what should be done ...