How does the online book management system allow users to find and operate their own data tables based on usernames?

For example, in an online book management system, if users perform addition, deletion, modification, and search operations, how can the user generate a data table of his own for each addition, deletion, modification, and search operation after successfully registering? How can the user find the corr...

phpcn_u30422 2018-08-23 22:16:49 1  1  1579

my question

Which file is config.php? I want to add new book storage function to my library management system. How can I do it? Please give me some advice.

. 2020-06-17 12:44:39 0  1  1420

mysql - Ask a question about database caching in Java

Now I am responsible for a personal writing platform in a school library. The basic business model has been completed, but the project has not yet been optimized in a high-concurrency environment. Every student can write a book review or take notes after reading a book. Book reviews are public and n...

为情所困 2017-06-12 09:19:37 0  1  749

How to insert collapsible elements into Flexbox layout

I have a flexbox layout with an image wrapped around it and I want to display some information when the image is clicked. The information should appear between the row containing the image and the row directly below it, without moving the "column". This is the type of effect I want: http:/...

P粉366946380 2024-03-19 23:20:59 0  2  417

How to use DateDIFF function in mysql table

I have a dataset in my library management system and I am using the query below to get only specific fields. selectBookName,IssuedDate,ToBEReturnDate,BookStatusfromissuedbooks;RESULT:BookNameIssuedDateReturnDateReceivedDateBookStatusBook15/1/20225/14/2022NotReceivedBook25/2/2

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How WordPress uses meta queries to query across multiple post types

I've encountered three rather complex problems. First, I have two custom post types: one for departments and one for employees. Within Employees you can select various positions/fields for each employee (labeled "Additional Roles"), but the two I needed were "Employee" and "...

P粉170858678 2024-01-16 15:52:53 0  1  450

PHP: How to copy all images in a subfolder into a single folder (no need to create subfolders!)

For my wife's birthday party, I set up a website where I collected images of party guests and then created a nice book as a keepsake. Guests have an account and upload images to "their" folder. I now have a tool that dynamically creates slideshows from pictures - but unfortunately it canno...

P粉877114798 2024-01-29 09:16:15 0  1  439

angular.js - Has anyone read the book Learn and Use Angular Instantly?

The code is as shown in the picture. The book says that ng-repeat can act on objects. If it acts on objects, the HTML rendering result will make Misko starting with a capital letter come first. The code results mentioned in the book are Misko, brad, and shyma. But the result of the code I typed is s...

習慣沉默 2017-05-15 17:02:43 0  1  602

Arrays in PHP: surprising results when adding new items

So I'm writing code that allows me to collect images collected by the Instaloaderpython library and put them into a gallery on my website. I've managed to collect and display these without any problems, however I've now started implementing headers for each post and I'm running into issues. The way ...

P粉893457026 2024-03-31 14:10:42 0  1  584

How can I get the complete list of all book categories in the table?

I have a "Books" table like this: I'm trying to make a SpringBoot application where all these books are listed, but you can filter them by category. To do this, I want to display a list of each category so the user can click on the category they want. What's a better way to get a list of t...

P粉681400307 2024-03-28 19:11:27 0  1  407

How can I create a calculated field for this table?

SELECTbook.BookTitle,author.Name,author.Surname,book.YearofPublicationFROMbookLEFTJOINauthorONbook.AuthorID=author.AuthorID;Enter image description here This is my current table and I need to create a calculated field to tell me that this book has been published How many years, but my brain is broke...

P粉425119739 2023-09-07 13:52:18 0  1  594

Custom pad extension with extension icon after title

I'm trying to create a mat accordion with a mat expanding panel inside a for loop. The problem is, I need to make some customizations, like adding a checkbox in front of each extension, and the extension icon should be placed after some specific text (in this case the book title). The alignment is c...

P粉662802882 2024-04-02 12:39:50 0  1  568

Vite Reactjs website app not calling API in production but running fine on localhost

I'm trying to deploy my application on Netlify. The landing page fetches a series of images to create a gallery effect. The login page is running fine on the local machine, but after deployment the API is not being called and the application is in a loading state. Login page on Netlify server. I fou...

P粉794177659 2023-08-10 16:32:46 0  1  677

javascript - There is a line wrapping problem after implementing horizontal scrolling on the mobile terminal. Please give me some advice.

As shown in the figure, there are two label contents that need to be displayed side by side. Now there is a need to set a sliding display effect if the second label content exceeds the width. The original effect is like this. If there are too many words, there will be two lines. I want to change it ...

某草草 2017-06-12 09:25:32 0  1  626

Front-end - git for windows (2.6.1) cannot select content

][3] As shown in the picture above, left-click the mouse to select content. Release it after selection, and ^C will appear and then a new line will appear. This means that the selection function cannot be used. Generally, in our cmd window, we can mark-select content-select copy in editing. But this...

某草草 2017-05-02 09:25:57 0  2  627

Use shrink wrap flex boxes to wrap flex items so they can be centered

I have a flexbox with packed content. How to shrink a flexbox to its content? The fundamental problem I'm trying to solve is centering the flexbox. This image describes my problem: How can I achieve this goal? Can this be achieved with pure CSS? I don't know in advance whether Flexbox will wrap to c...

P粉807239416 2023-09-13 15:26:47 0  1  600

How to use CSS selectors to target div elements containing specific attributes or tags?

I'm working on a POS system that generates a website. Most of the code is proprietary so I can't edit much. I have an output list of categories with some images floated as categories. I want to hide the first 3 listed on the home page. I tried positioning the containing div using div:nth-child(1), w...

P粉493313067 2024-04-03 22:25:59 0  1  475

Move Woocommerce clear variation link to add to cart button

I have removed the "clear" link from the theme's php file so that the clear option does not show up when a product variant is selected. The link is now gone, which was part of the goal, but the Clear link still has an effect on the Add to Cart button, moving it down about 30 pixels once a ...

P粉018653751 2024-02-21 15:13:11 0  1  536

Rejections are not propagated in chained promises

I can't understand why the rejection isn't passed through the promise chain and I'm hoping someone can help me understand why. To me, attaching a function to a sequence of promises means I'm relying on the intent of the original promise to be fulfilled. This is hard to explain, so let me first show ...

P粉193307465 2023-10-23 17:50:47 0  2  2933

Hide and show animated content: Create HTML pages with transition effects

I'm trying to make a website that displays content in book form, with page-turning animations. There are different svg images to animate for the content of each "page"; I'm not sure how to do this. Basically, is there a way to show and hide content the way I want without having to create a...

P粉674757114 2023-09-10 17:41:45 0  1  705