javascript - jq fixed height text expand and collapse

{Code...} How to achieve such an effect? ​​I tried writing the effect after folding and expanding the arrow. It seems not ideal, because the height written here is fixed, but the amount of this text is uncertain demo

伊谢尔伦 2017-06-29 10:09:11 0  3  1266

vim - a piece of code to find code folding

Existing piece of folding code: {code...} Text before folding: Existing folding effect: My needs: As shown in the picture below, how to remove the excess part in front? If you remove it, it will look cleaner. I just started to get in touch with it. Vim, I hope you can give me some advice.

给我你的怀抱 2017-05-16 16:41:57 0  1  810

javascript - Image gathering effect, plus 3D effect, why are there lines after gathering?

There are many sub-divs in a div, and the background images of the sub-divs are put together to form a whole picture; for the gathering effect, I added a 3D y-axis inversion effect. Why is there a small seam in the middle when splicing? Logically speaking, it should be after gathering This is the re...

曾经蜡笔没有小新 2017-05-18 10:46:23 0  1  588

How to fix the top title without interference from other content

This is my current code #h1{font-family:'open-sans';position:absolute;color:white;font-size:16px;left:850px;margin-top:5px;position:fixed;}without any Effect, I also tried using positional stickyness in pain but it doesn't work

P粉154228483 2023-09-12 11:17:41 0  1  531

In PHP, an unexpected variable $sql caused an exception error.

I thought I had the complete code written and no errors, but why does it keep showing errors like this? I tried starting with checking for semicolons and other stuff, and also tried renaming the $sql variable, and the button on line 28 had no effect either. Here is a screenshot of the code. I'm sorr...

P粉781235689 2023-08-02 14:50:45 0  1  491

javascript - Please tell me how to achieve a drop-down loading effect!

I have a lot of graphic messages, how can I achieve the effect of loading more messages through drop-down?

代言 2017-07-05 10:37:47 0  4  899

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

node.js - Based on dvajs, how can I get the current environment in the code?

How can I get the current environment in the code? For example, when I am developing, I hope to simulate the results of user input... For example, the results of scanning a QR code... I read several webpack configuration files and it said that node_env can be obtained. But no matter how I configure ...

天蓬老师 2017-05-16 13:39:23 0  1  490

objective-c - ios sliding problem about tableview or scrollView

If the title is like this, the effect I want to achieve is during the process of sliding down. For example, the picture below is made with tableview. Now when you slide it here, it will not move. The effect I want to achieve is that the blue color does not reach half of the screen (approximately Tha...

PHP中文网 2017-06-20 10:06:07 0  1  888

Understanding dependency caching and referencing of useCallback in React

Does the useCallback hook only cache the function reference or also the value/result of the function itself? Also, does using ref in a dependency array actually have any effect, like a component's ref? If not, is there a way to ensure that changes to the ref value have the appropriate effect? I orig...

P粉044526217 2023-08-15 19:29:37 0  1  589

javascript - The loading animation effect of the page is not displayed?

1. The project I am working on now is a data table page. Since the background query takes a long time, in order to improve the user experience, a load animation is added. There is no problem with the plug-in for loading animation. However, during the execution of the method, it is found that the ani...

迷茫 2017-05-19 10:18:28 0  4  730

python - Why is there no line break in the result after writing a newline statement?

I want to write the numbers after the colon of the file to another file in each line, and wrap the line at the end of each line. Use the following code, there is a line break statement, but the result is still no line break, what should I do? {code...}

天蓬老师 2017-06-28 09:26:06 0  3  1193

How to completely disable browser gesture zoom functionality on tablets - Stack Overflow

On a tablet, because of the multi-touch function, you can directly use gestures to zoom in and out. However, I currently hope to disable this effect. However, I have tried various methods but it does not seem to work. Moreover, this zoom is the same as the PC CTRL + scroll wheel zoom. It’s not just ...

怪我咯 2017-06-30 09:57:23 0  1  1123

What is the reason for Tailwind category failure?

I'm starting to use Tailwind for the first time and currently only use it with JavaScript. The first day, the class names all worked fine, but when I opened the project in VSCode the next day, only the Tailwind class name added before still worked. If I try to add more class names and designs to my ...

P粉011360903 2023-08-31 16:32:20 0  1  578

javascript - How to achieve multiple tab switching on the same page?

I have been working on a website for the past two days. There are many tab switching effects on the same page. I have tried ul>li and input[type=radio], but the effect is not good. They can only be used once and multiple times. There will be problems. Excuse me, is there anyone who can provid...

我想大声告诉你 2017-06-12 09:23:46 0  2  732

javascript - Default value when variable in vue template is not true

Problem description: {code...} is rendered as {code...} Desired effect: I hope there will be a global default value when the variable is not true, such as "--" My attempt {code...} Although this works Effective but too tiring. Each one needs to be written down. To be lazy, I modified {code...

淡淡烟草味 2017-06-26 10:52:40 0  3  843

javascript - slideToggle implements the folding menu effect, but how to realize that clicking this option expands and other options automatically collapse?

What I want to achieve is a folding menu, but the slidetoggle can only be collapsed by clicking on it. What I want is to click on other options and the expanded menu will automatically collapse. How can I modify it? The code is as follows: $("> li", this).each(function () { {code......

某草草 2017-07-05 11:06:06 0  3  991

"Attempting to read while the reader is closed has no effect."

I'm trying to write data from mysqluinlgc# to a .txt file but I'm getting the error "Invalid read attempt while reader is closed.". The code is here: StreamWritersr_Produto=newStreamWriter(@"C:\Enzo\PAP\PAP\Ficheiros\produto.txt",true);bdcon.Open();MySqlCommandcmd=newMySqlCommand...

P粉884667022 2024-03-31 14:58:58 0  1  437

The title is rewritten as: How to achieve the scrolling effect of the bottom paste function?

I'm trying to achieve an effect similar to what I'm seeing here but the content of each section should also be scrollable, i.e. it will only be fixed when it reaches the bottom of the section. For example, when the content is 200vh, like this: section{position:sticky;top:0;height:200vh;}sectionimg{w...

P粉587780103 2023-09-09 19:41:49 0  1  608

Use CSS to achieve the filling effect of line-wrapped text

I have a minimalist example here: https://codepen.io/cpcpcpcpcpx/pen/VwZWoyJ with the following content: .wrapper{width:200px;}h1{font-size:32px;font-family:Tahoma,Helvetica, sans-serif;line-height:50px;}.header-text{background:#aabbcc;padding-

P粉969666670 2023-08-25 00:09:03 0  2  560