Execute PHP without leaving the page

I have a form - textarea (named su) and submit button. After the form is submitted I need to run a PHP script without refreshing/leaving the page "echo" or somehow printing the return on the screen I'm pretty sure this can be achieved with some kind of ajax request. But I don't know what t...

P粉561323975 2023-10-23 19:05:06 0 1 285

Build a login page using MySQL, Java, HTML and CSS

I have created a table containing the login details and written a program in Java to handle the information, but I don't know how to link the HTML's front-end file to the Java file.

P粉244730625 2023-09-01 13:24:50 0 1 289

Best Way: Retrieve, Encrypt, and Update Millions of Records in MySQL Using Java 8

We have a requirement where we need to read approximately 10 million records from a MySQL database, encrypt the records, and update the encrypted values back into the fields. How to achieve this requirement in the most efficient way. 1: Field level encryption from MySQL database using AES_ENCRYPT:...

P粉211600174 2023-08-27 00:17:18 0 1 301

I need help fixing my html and java script code

I want to make a place where you can enter your next birthday and the page will turn into a window. Remind you that your birthday is in a few days. When I run the code, before I enter the birthday, the alert says NaN, which means is not a number. I want it to work after I type my birthday and after ...

P粉201448898 2023-08-01 20:25:03 0 1 346

What is a pagoda panel and what does it do?

Simply put, Pagoda is a WEB server suite that integrates software tools commonly used in web services such as Apache, MySQL, PHP, and Nginx. It is a popular WEB server panel. To put it simply, it is to facilitate the operation and maintenance of your website. Before using the Pagoda panel, I built t...

七秒 2021-10-22 11:28:01 0 3 4973

Teacher, what software do you use to write the HTMl and JAVA?

Teacher, what software do you use to write the HTMl and JAVA?

 平凡的精彩  2018-12-09 21:12:29 0 0 821

if / else / can elseif be used?

I wrote and ran it and it said there were errors and syntax problems. Is it different from the usage in Java and C language?

阿超 2018-07-13 09:45:15 0 6 1110

In Java, what is the API used by auto-boxing/unboxing?

I recently went to a Java interview and the interviewer asked me this question. I know about boxing and unboxing, but the concept of API is very vague. I don’t even know what the API used by boxing and unboxing is. I hope someone can help me answer it.

PHP中文网 2017-07-05 10:26:57 0 3 1038

java - What are the functions of "context root" and "content directory" in Eclipse?

What are the functions of "context root" and "content directory" in Eclipse? Is it used by tomcat? It's used there

怪我咯 2017-07-05 10:02:13 0 2 1498

Why in Java, when assigning variables i3, i4 with the same data type, System.out.println(i3==i4), the final output is not equal?

System.out.println(i3==i4), why the output result is not true {code...}

黄舟 2017-06-28 09:24:50 0 2 813

java - How does the client call the soap interface?

I have never come into contact with soap before, and I have read a lot and don’t know how to start. I am using springboot and soap. The above is part of the provided wsdl interface address, and the method to be called. I would like to ask how to call the method, it is best to provide some code. ,Tha...

仅有的幸福 2017-06-28 09:23:43 0 1 767

java - mysql blob type reading problem!

The type saved in the database is a blob type, written in C++. I don’t know if it is any different from Java storage. The problem now is that it has a structure when it is saved: the structure is: first two integers, representing 101 and 101 respectively. The number of variables, followed by an inte...

淡淡烟草味 2017-06-24 09:41:30 0 1 807

Java - Error when installing visibroker

There are three jdk3, 7 and 8 installed in the computer, all in the C:Program FilesJava folder. The current environment variable is configured for java3. I have a 64-bit system and java3 is the 32-bit version. When installing visibroker4.5, an error is reported. When installing visibroker8.5, an err...

typecho 2017-06-23 09:14:35 0 1 796

java - Should the service layer not write http-related operations?

Prerequisite: java, springmvc. I have a userService service class, which has two methods for operating the current user, getCurrenUser and setCurrenUser. But these two methods either obtain the token from the request or read the information from the session. The leader told me that the service layer...

给我你的怀抱 2017-06-23 09:14:01 0 3 729

How to get the time of last week's Monday and Sunday using LocalDate in JAVA

As in the title, for example, today is 2017.6.21. How do I get the Monday of last week? 2017-06-12

扔个三星炸死你 2017-06-23 09:13:25 0 4 790

javascript - Qiniu js SDK delete files

The js SDK only provides APIs for uploading and image processing. I found that the java SDK provides various file operations, deletion, batch modification, etc. Is it because the JS SDK does not support these operations? If there is a JS SDK that has a corresponding API, please provide a link.

phpcn_u1582 2017-06-23 09:13:19 0 2 651

java - Mybatis executes sql summation problem

This is a summation sql I need to execute. In the client, the query value count is 0.select count(1) as COUNT from dd_mst where ac_id=1000002400 and ac_seqn<>1 and ac_sts ='1' passed in the program The following tool class is called: The problem is, through...

淡淡烟草味 2017-06-14 10:51:48 0 1 514

java - How to understand spin lock and mutex lock?

I’ve read a lot of articles online and I’m still confused. Can anyone explain these two concepts to me in an easy-to-understand way? In Python multi-thread coding, I usually use a while True infinite loop in the run method of the thread, and then call queue.task_done at the end of the loop body of t...

给我你的怀抱 2017-06-14 10:51:20 0 3 588

java - On the same computer, I submit the code and then push it to the remote warehouse. The submitted submitter and the pusher are inconsistent. How to solve it?

Both push and push are operated on the same computer. It may be that the original userName on this computer is qs, but then I have set up global user.name and user.email, and now the following df2wd... submits the push, but Why are the two inconsistent and how to solve them? In the end it should...

PHP中文网 2017-06-13 09:22:42 0 2 622

java - How are the instant messaging system and push notification system implemented?

How can a message be relayed through the server to the designated other end? If it is convenient, I can post a typical code. In addition, what information is stored when the session is stored?

PHP中文网 2017-06-12 09:27:28 0 6 664