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angular.js - $watch monitors the drop-down box. It will be automatically executed once when the web page is refreshed. How to disable automatic execution?

Detailed description: $watch monitors a drop-down box. The expectation is that only when the user clicks an option in the drop-down box, the front end will request the back end to update data. The current problem is: when the web page is loaded and the drop-down box appears for the first time, $watc...

漂亮男人 2017-05-15 17:04:22 0  3  1013

angular.js - Looking for a way to write angularJS

A is the drop-down list and BC is the text box. The C text box is hidden by default. B text box is available. To achieve that when A pulls down to select the last element, B is disabled and C is displayed. A does not select the last element and restores it to its original state. {code...}

僅有的幸福 2017-05-15 16:51:15 0  3  783

html5 - optgroup cannot meet the needs

Display the tree structure data of class diagram 1 in the form of a drop-down box in figure 2. It seems that optgroup cannot satisfy the requirement of more than two levels.

迷茫 2017-07-05 10:45:59 0  1  1201

How to make an image appear in the center of the header?

First of all, my code is based on 3 files, an HTML, a CSS and a JS. It should be noted that I am using the Bootstrap5.1.3 framework to create the HTML. My problem is, first of all, the logo of the clothing brand I am using as a case study is not centered, I have tried everything to make it centered ...

P粉103739566 2024-04-01 23:49:58 0  1  724

Title rewritten as: How to resize text in all input areas (including email signup, comment box and recipe index page dropdown) in CSS?

Website: https://olivesfordinner.com/ Looking for CSS code that will make the text larger when entering your email to sign up on the homepage. It's too small. When leaving a comment on a recipe post (eg: https://olivesfordinner.com/toasted-muesli-recipe/), how can I make the text grow larger as the ...

P粉465675962 2023-09-14 15:17:43 0  2  766

Looking for a more elegant way to assign the "selected" attribute to a previously selected <input> element

I'm creating a simple CRUD application using PHP. On the create page, there is a drop-down menu that allows the user to select the type of highway for which they want to enter information. On the update page I want to preserve the selections the user made on the create page. The value selected by th...

P粉635509719 2024-01-16 20:46:55 0  1  527

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  594

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1394

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2947

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1177

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1195

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11 0  0  1141

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44 0  1  1146

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過 2017-10-11 10:20:08 0  1  1366

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5214

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

極世 2017-10-11 12:33:15 0  1  1685

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1766

An error warning appears when phpstudy enters the database

Hirtdye 2017-10-11 17:12:35 0  2  1623

Problem with bool value output

<?php//In fact, it can be lowercase, but it is difficult to distinguish, so we stipulate that it is usually uppercase define('xiaoxie',true);echo xiaoxie;$hello=flase;echo $hello;?>Why is the output result of the previous code 1? The subsequent output result is false, shouldn't it be 0?

益?zhèn)?2017-10-11 20:37:54 0  1  1721

PHP source code encryption problem

I just finished writing a website, and the concept of source code encryption has always been vague, and there is very little online information. I would like to know the following questions: 1: There are encryption tools on the Internet. This is easy to understand, but some of them are just function...

按鍵盤手指磨破皮 2017-10-12 01:29:15 0  2  1698