button missing

So today I should make a calculator, a web calculator with JS on it, CSS and so on. I recently rewrote all JScries and rechecked some things. Now the calculator button is gone. I wish the website had a calculator on the page that it used to have buttons for. Weirdly aligned, but still a button. But ...

P粉521013123 2024-01-16 21:32:51 0  1  437

How to install and use the PHP programmer toolbox of PHP Chinese website?

What are the functions of the PHP Programmer Toolbox on PHP Chinese website? How is it installed and used?

z老师 2018-07-12 16:38:23 0  2  2722

After PHPStudy2018 is run in a non-network environment, the program will automatically report an error and exit.

As mentioned in the title, I need to deploy phpstudy2018 in an intranet environment. I found that if the server is connected to the network, it can run normally and it seems that the new version will be automatically detected. If there is no network environment, the system will exit immediately afte...

阳光 2018-07-23 22:06:59 0  2  1363

php - A solution to enable mobile browsing to support sessions

After the user successfully logs in, he goes to the main page, clicks to enter another page, and automatically jumps back to the login page to log in. What may be the reason? User information: I have a session after the user successfully logs in. This is a mobile website. It is estimated that some m...

伊谢尔伦 2017-05-27 17:43:59 0  4  810

Configuring PhpMyAdmin to connect to a remote MariaDB server

I have a computer within the LAN network at my workplace that hosts a MariaDB database from Xampp and accesses it through PhpMyAdmin. It is accessible through the workplace LAN, but we need to be able to access it from the external network (different building in another city) through PhpMyAdminUI. H...

P粉103739566 2024-03-28 21:35:59 0  1  471

Is sending emails through javamail related to the network environment?

I tried to use javamail to send emails on the Great Wall Broadband at home. It keeps reporting error 554, but when my computer is connected to the mobile hotspot, it can be sent successfully. It can also be sent successfully through the company's China Unicom network. Is the success of javamail rela...

为情所困 2017-06-15 09:21:46 0  2  1026

Image to text OCR web image URL upload

Referring to the working codepen demo here, the application works fine if I click the select file button to upload an image from my local machine and extract the text in the image. But how do I upload a web image URL like this instead of a local computer file and output the OCR text result with the ...

P粉316890884 2024-03-29 21:37:25 0  1  417

Why do you need to use React useState in the form of functional updates?

I'm reading the ReactHook documentation about feature updates and looking at the following quote: The "+" and "-" buttons use functional form because the updated value is based on the previous value but I don't see what the purpose of needing feature updates is, and how do they r...

P粉155551728 2023-10-22 15:37:50 0  2  715

Fatal error: Call to undefined function: imagecreate()

I'm trying to put some graphics on a web page, and on a prototype on my computer, it's working fine on localhost. But now I'm uploading the file to the server and I'm having trouble drawing some graphics. On my computer they are drawn, but not on the server. I get this error Fatal error: Call to und...

P粉459578805 2023-08-27 18:26:11 0  2  721

apache - video server configuration requirements

In my graduation project, I plan to make a small HTML5 video-related game that needs to play videos. I want to put it online. Planning to rent space. So are there any configuration requirements for space? This project is only put online. When the time comes, it can be displayed on mobile phones with...

伊谢尔伦 2017-05-16 16:57:54 0  1  717

Mumble Web - Issues with local code execution and demo applications

I'm trying to create a web application with push-to-talk (PTT) functionality using ReactJS. One of the technologies we will use is Mumble. The demo https://voice.johni0702.de/?address=voice.johni0702.de&port=443/demo on this https://github.com/Johni0702/mumble-web repository works fine. I tried ...

P粉998920744 2024-03-29 23:18:00 0  1  398

Is English basics really important when learning programming?

uncertain. The most fundamental thing for people who learn programming is to have a good foundation in mathematics. All algorithms can only work by relying on strict thinking logic. Programming languages ​​require writing a lot of source code. In fact, anyone who can recognize the 26 letters can pro...

藏色散人 2019-02-18 13:17:47 1  8  4795

How to copy Excel FV function in PHP?

I'm converting some fairly complex calculations from an Excel spreadsheet to PHP. I'm stuck on the conversion of Excel's FV function, which is defined like this: FV(interest_rate,number_payments,payment,PV,Type) I've been working on this for 2 hours and I must be missing something. Essentially, I ne...

P粉106301763 2023-11-04 15:54:09 0  1  856

Access denied for user 'root'@'localhost' (using password: yes) - No permission?

I keep getting this error. I'm using mySQLWorkbench and I found that root's schema permissions are empty. There are no privileges at all. I'm having issues on various platforms I use my server on, and this is a problem that pops up out of the blue. root@127.0.0.1 obviously has a lot of access, but I...

P粉136356287 2023-10-09 19:39:30 0  2  1133

Uncooperative Boolean logic

I'm running into an issue with my website that I've been trying to fix for at least a few weeks, so I was hoping someone could point out where I'm going wrong. For some background, I'm a recent grad and this is the capstone project I built for my final project, before the demo I didn't quite get all...

P粉343141633 2024-04-02 13:34:26 0  1  500

This year's journey from getting started to understanding PHP

At the beginning of this year, due to an epidemic, all New Year's plans were disrupted. Due to some previous reasons, I planned to start to further understand and learn website programming. After a long search process, I finally came to the PHP Chinese website by chance. Since then, I have started a...

李存平~认识我助力您健康人生 2020-11-25 14:50:16 0  3  1236

Getting emulator errors

I've been trying to reverse engineer a GBA emulator (https://gba.44670.org/) that I found online and using an HTML extractor to try to replicate it. I wanted it to work offline, so I downloaded all the scripts to my computer and ran them there. However, after this, the "Select File" button...

P粉447495069 2023-09-01 20:53:31 0  1  835

What are the performance numbers next to components in the Vue dev tools?

Does anyone have insights or resources for a certain feature in the Vue development tools? On the components pane, it shows my component, and then these little red and yellow squares, and what I'm assuming is the performance of the component. When I first load the app they don't appear, but for exam...

P粉420868294 2023-11-09 14:46:48 0  1  861

Convert Gregorian dates to solar dates in WordPress and WooCommerce

I've designed a template for my website and I want all WordPress and WooCommerce dates in the template to be converted from the Gregorian calendar to the Gregorian calendar. I am using the following shortcode to display the published date of my posts: <?phpthe_time('Y/m/d');?> But the date it ...

P粉662361740 2023-09-03 16:27:14 0  1  663