Doesn t the command yum install glibc.i686 require a yum source? ...
question: in the actual project, I use redis as the resource lock. Only the thread that acquires the lock is allowed to execute. And then finally release the lock. The thread was blocked for 16 minutes before the resource was released. try to solve:...
spring hibernate many-to-one relationship. When transmitting data from the front end to the background, why pass the attribute .id of the foreign key, such as logo.id? if you do not pass logo.id like this, but logo,spring in this way, you will get an er...
my front end needs to modify attachments, so it includes the following situations: 1. Delete all uploaded attachments 2. Delete some uploaded attachments 3. Upload a new attachment 4. Delete some attachments and upload new attachments so how does ...
the search string is highlighted when using the grep command. But sometimes there are too many search results, so if you need to page them, you should use less . grep "find string " file |less the search string is not highlighted in the less results ...
learning TCP communication of socket TCP 1. 2. the code is as follows package com.fuge.TCP.demo2; import java.io.*; import java.net.Socket; public class UploadClient { public static void main(String[] args) throws IOException { ...
@ Import ({WeChatInvokerConfiguration.class, WeChatImportSelector.class}) @ EnableConfigurationProperties (WeChatApiConfig.class) @ EnableRetry @ EnableScheduling @ Target (ElementType.TYPE) @ Retention (RetentionPolicy.RUNTIME) @ Documented publ...
< H2 > the cause of the problem < H2 > recently wrote a scheduled task using quartz . This scheduled task is mainly to add something like points to members, and to keep a record of points increase, which is executed at 4 o clock every morning, but s...
problem description regular expression memory overflow, JVM can t check memory, accumulate all the time, and then the program hangs the environmental background of the problems and what methods you have tried delete the second set of parentheses ...
related codes pako.js decompression code function unzip(b64Data){ var strData = atob(b64Data); var charData = strData.split( ).map(function(x){return x.charCodeAt(0);}); var binData = new Uint8Array(charData); var d...
@Entity @Getter @Setter @ToString @Table(name = "order") public class Order { @Id private Long id; @Column(name = "account_id") private Long accountId; @ManyToOne(fetch = FetchType.EAGER) @JoinColumn(name = &q...
problem description activiti automatic node, that is, service task, executes an exception. How to capture the exception information and save it in the act_ru_job table so that the ManagementService.executeJob method can run from the exception node ag...
the internal network is accessible, but the ip cannot be accessed by the external network. I don t know if the server wants to configure something @Configuration public class KdxfCASConfiguration implements ServletContextInitializer { public sta...
< H2 > the code is as follows < H2 > Thank you very much! ...
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...
have you encountered any similar problems? springboot is packaged into jar package, @ Configuration annotated class is not executed, run and debug are fine under idea idea runs as jar ...
Java8 unordered () disordering is invalid, and the result of multiple runs is still consistent with the order of the elements in the stream results of multiple runs: 5, 1, 2, 6, 3, 7, 4 did not achieve the effect of disorder Stream.of (5, 1, 2, 6...
We currently have a user management system in which users passwords are stored in the database through BCryptPasswordEncoder. Now that I want to switch to openldap, how can I modify openldap to verify passwords in the same way as BCryptPasswordEncoder...
public Boolean rabin_miller(double num) { int s = num.subtract(BigInteger.ONE); int t = 0; BigInteger[] bis = s.divideAndRemainder(two); while(bis[1].compareTo(BigInteger.ZERO)== 0){ s = (double) (s.divide(two...
how to gracefully modify the default JDK version of Maven ...
The code is as follows: app.use (express.static (path.join (_ _ dirname, public )), {maxAge:31536000000})); Why is invalid ...
because the DatePicker in iviewui needs extension operations, but the size of the main.js file generated by adding the transform-object-rest-spread plug-in increases several times .babelrc as follows { "presets": ["env"], "...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
this is the function function CompareDate(d1) { return ((new Date(d1))) > (new Date()); } Vue.prototype.checkValidity = function(type){ let result API.validity(function (res) { if(res.code == 1){ if(type == "z"...
git clone s server file prompts Permission denied, please try again. according to the example found on the Internet, the public key has been generated and copied to the ssh in my own github account, but pulling the substitution code from the server st...