Asksearch_php.cn

Community Learn Tools Library Leisure

English

Popular searches：
PHP
MySQL
jquery
HTML
CSS

javascript - The child div is float; how to make the height of the child div inherit the height of the parent

The child div is float; how to make the height of the child div inherit the height of the parent

淡淡烟草味 2017-07-05 11:07:01

Undefined array index: children

In the department management list, when adding a department, an error occurs. It displays: Undefined array index: children. Please reply, thank you!

sail 2024-04-05 15:57:40

Show children only when parent is clicked in vuejs

I'm trying to create a navigation sidebar. There will be main projects and sub-projects. I'm trying to show the child items only when the parent item is clicked, and I want the active child item to have a different color when I click on the child item. How do I achieve this? Here's what I've tried s...

P粉574695215 2024-02-25 19:20:16

css3 - How to align child elements under flex layout?

As shown in the picture, I use justify-content:space-around;, but I hope that the second row of sub-elements can be aligned up and down with the first row. The number of sub-elements is not fixed. How to solve it?

淡淡烟草味 2017-07-04 13:45:08

Symfony 6 parent controller to child controller dependency injection

I have a base controller class that contains some utility methods that all child controllers use. Currently it has 3 dependencies, but there may be more in the future. So whenever I want to add a dependency to a child controller, I now have an issue where I think there are too many directives for de...

P粉208469050 2023-08-17 20:19:03

c - Will nginx child processes communicate with each other? What is the main communication function?

The parent-child process is a channel. Will this channel be used between child processes?

滿天的星座 2017-05-16 17:26:22

Why does Vue 3 child component trigger focus event twice?

When I fire the focus event from a top level input field in Vue3: <input@focus="$emit('focus')">... the event is fired once when the input field is focused (as I expected) . However, when you put the same input field into a child component and focus it: <InputField@focus="$em...

P粉005134685 2024-01-02 09:44:07

Change background image opacity while preserving visibility of child elements

Is it possible to set the opacity of a background image without affecting the opacity of child elements? All links in the sample footer require custom bullets (background image), and the custom bullets should have an opacity of 50%. HTML<divid="footer"><ul><li><ahref=&...

P粉354602955 2023-10-10 19:40:19

Child theme style.css in Wordpress cannot overwrite index.php file

hope this helps. I created a child theme for my WordPress page and set up style.css and functions.php in it. I'm assuming the queue is set up correctly since I can change a few different things and it shows success. However, if I try to change something in index.php, it doesn't overwrite. For exampl...

P粉103739566 2024-03-27 20:53:39

Is there a way to have the CSS transparency style apply only to the label's innerText and not to any child elements?

In the example below I have a lot of tags where the tags contain inputs. Is there a way to make CSS's opacity style apply to the label's innerText rather than any child elements without explicitly specifying a color? In the example below, opacity has been applied to the dropdown menu, not just the l...

P粉794851975 2023-08-17 20:51:57

doctrine2 - How to sort the corresponding Entity array when using Doctrine one-to-many mapping in symfony?

I am using Doctrine to perform one-to-many mapping, such as a person (Person) and multiple children (Children). I hope that when using Doctrine to automatically obtain the Children, the children can be sorted by age. I would like to ask: Which function should be overloaded to achieve this? persion-&...

给我你的怀抱 2017-05-16 16:43:51

javascript - The child component triggers a custom event of the parent component, but the parent component does not respond.

The following is the child component @change='showChange' is the child component event. The following template is registered as an order-type component {code...} The following is the child component method: {code...} The following is the parent component {code...} But alert(2) is not executed

大家讲道理 2017-07-05 11:03:26

javascript - Question about mouseenter

{Code...} When I use absolute positioning to move the child element below, the event will also be triggered when passing through the child element. What's going on?

滿天的星座 2017-07-05 10:59:01

javascript - How to realize multi-layer nested linkage of tree component with checkbox

I am currently making a tree component with a checkbox. My rendering idea is to recurse from the parent class to the child class. If there is a children attribute, let the children call themselves. The code is as follows {code...} Now I need to do the checkbox selection linkage, from If the parent c...

滿天的星座 2017-06-26 10:50:15

Correctly use elastic properties to nest elastic containers

I'm having some issues using flexbox correctly and would like some clarification on the nesting of parent and child elements. I know that child elements inherit the flex property of the parent element, but what happens to further descendant elements (e.g. "grandchildren")? What is the corr...

P粉369196603 2023-08-24 11:43:49

Clone functional components in React

I'm trying to modify and clone the child elements of a component I'm creating and recently noticed that my children type changes depending on how I pass the children >. For example, if I pass JSX as a child: <MyComponent><div>Hello< /div></MyComponent>When I check the chil...

P粉851401475 2023-09-10 17:44:34

The last bug was not recorded? ? ?

There are no children displayed. . .

呆死萌丶 2018-09-05 20:17:15

How to render content into slot

As shown below, I have created a button with a slot in a child component. The name of the slot is slotDigitizePolygonBtnLabel. The button in the child component should have a property called disabilityState to indicate whether the button is disabled. In the parent component, I want to render the chi...

P粉877114798 2023-08-18 00:30:15

Ever understand the difference between gender and your sexual orientation?

In Inferno, when trying to define the child element shape at compile time, there are two ways of defining the child element as text: functionHello(){leth="Hello";return({h});}import{createTextVNode}from" inferno";functionHello(){leth="Hello";return({createTextVNo

P粉562845941 2023-08-15 15:53:07

There is no output in the parent window

document.onclick = function(){ window.opener.document.write('I am the output of the child window');

P粉722478067 2024-04-18 23:52:34