We have encountered the following problems in the distribution system! For example, A user shares his URL. B users come according to the URL shared by A users, so judge whether A users follow the official account! If there is no attention, the follow but...
for example, the parameter type and return type are the basic types int, but what if it is a custom type? @BTrace(unsafe = true) public class BtraceTest { @OnMethod(clazz = "Demo", method = "getResult", location = @Location(Kind.RET...
when poi merges the cells of a table in word, cross-row merging can be done correctly, while cross-column merging fails. The following is the code for merging columns public void mergeCellsHorizontal(XWPFTable table, int row, int fromCell, int toCel...
how to jump to a page to display the user s information page immediately after following Wechat s public platform? At the same time, it also displays the information of the user UnionID! I would like to ask all the masters! ...
the whole project is based on spring cloud . build.gradle configuration of the parent project: group com.xxx.yyy version 0.1.0 buildscript { ext { springBootVersion = 1.5.10.RELEASE } repositories { mavenCe...
*** @RequestMapping(" listByRoleId") public CommonResult<List<MenuVo.ListByRoleIdVo>> listByRoleId(@Valid MenuParam.ListByRoleIdParam param){ return menuService.listByRoleId(param); } @Data public s...
data stores a field type (as an enumeration). When querying, it needs to be processed separately by using ifelse or switch, for example, 1 is converted to normal. I ve implemented it with the MongoDB statement, but how do I handle it in the springboot ...
1. Click on the single picture upload button without any response. It turns grayed out (disabled) 2.:window.UEDITOR_HOME_URL = static Ueditor var URL = window.UEDITOR_HOME_URL || getUEBasePath() window.UEDITOR_CONFIG = { 3. 4.,: ask the god...
In the scenario, the data inventory is in sub-units, such as 100 points in 1 metadata inventory. Then the front-end display is meta-unit. So when you take it out, you have to convert the number of type long into double. how to break the situation of 0...
has not quite understood the concepts of controller, service layer, dao layer and logic layer, and how to use them and why to use them in this way ...
can JProfile view the input parameters and return values of a method in the java process at run time? ...
Hello, ladies and gentlemen. I am a rookie. when I was learning to import a project, I encountered an error that I could not find the log file. turn to the gods to guide me. How should I solve this problem? hee _ ^ log4j:ERROR setFile (null,true) ca...
by default loginPage is login No matter what url path you enter, it will automatically jump to the login page for example, typing: localhost:9090 login 123 in the URL column of the browser will automatically jump to localhost:9090 login, becau...
is there any way to see a method called in the system source code, such as the annotation processor process () ...
in JAVA, running programs can be managed and monitored through the JMX interface. you can obtain the program GC through the open function of JMX, as follows: public class TestJMX { public static void main(String[] args) { List<GarbageC...
For the Item type in the figure, addNode cannot be called in addNodeInIndex. Please give me some advice! ...
how do I get a user s WeChat account (not a nickname)? ...
Import project prompt error: log4j:ERROR setFile (null,true) call failed. java.io.FileNotFoundException: d:classnet.log (the system cannot find the specified path.) ask for the guidance of the gods! ^ _ ^ ...
if a socket between the client and the server is closed (the tcp connection is closed), the client will not be able to re-establish an identical socket in a short period of time (two minutes according to the book). So my understanding is: join me to conn...
mybatis+mysql for java projects int batchAmount = 20000; for (int startIndex = 0; startIndex < size; startIndex += batchAmount) { int endIndex = startIndex + batchAmount; endIndex = (endIndex &...
mysql> ALTER USER `db_example`@`%` IDENTIFIED BY qeW0zdszb vZjt4o ; ERROR 1819 (HY000): Your password does not satisfy the current policy requirements mysql> ALTER USER `db_example`@`%` IDENTIFIED BY qeW0zdszb tZjt4o ; Query OK, 0 rows aff...
use jsplumb to draw a flowchart that goes beyond the width of the interface when there is a lot of content. sets the outermost div to exceed the display scroll bar. It is found that the wires drawn through jsplumb when pulling the scroll bar will not f...
how to classify and manage logs under the framework of CI? do you want to split the log into different files for different businesses? does the CI framework support it? now they all use the default log_message . Thank you. ...
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now do Wechat scan code payment mode 2. The completed mode is that the user selects the quantity, and then clicks to pay immediately. The QR code appears in the pop-up window, and a merchant order number will be generated at this time. Deposit a piece o...