How can I make a div expand up instead of down if the vertical height increases?

I have a page with a title and some content. The header is a dynamic value and can have many different contents depending on the content. This problem occurs when the title is long and requires two or more lines. Since I want the content to stay in the same vertical and horizontal position, I want t...

P粉530519234 2024-03-22 10:39:08 0  1  332

Didn't this video of Junior Sister Miejie not do any processing on add.php to prevent it from being opened directly without logging in? ? ? Users can directly open this page without logging in to enter student data!

Didn’t this video of Junior Sister Miejie not do any processing on add.php to prevent it from being opened directly without logging in? ? ? Users can directly open this page without logging in to enter student data!

喜欢灭绝师妹 2023-03-27 22:35:35 0  0  635

html5 - Top and bottom center alignment is actually impossible to achieve, right?

There are top, middle, baseline and bottom in vertical-align. Look at the four lines in the line-height model below. From a geometric point of view, the geometric center line of this line-height model is between the middle line and the base line, with the middle line leaning upward and the base line...

迷茫 2017-06-20 10:06:16 0  1  920

css - The vertical effect of flex layout cannot be achieved?

Referring to the example of teacher Ruan Yifeng, why does the vertical effect not work when you do it yourself?

为情所困 2017-05-16 13:44:11 0  3  611

Height 100vh gives vertical scrollbar

I am facing issue with height 100vh and it is giving vertical scrollbar. I embed the external content inside a widget-holderdiv with a height of 100vh. But the content in widget-holder exceeds the parent div and gives vertical scrollbar. If I remove the fixed header, I don't see the vertical scrollb...

P粉378264633 2024-03-27 23:06:05 0  1  495

max-width does not take effect

teacher. Why does .contentPic_l_menu set max-width? floatleft will not take effect. And they keep stacking up vertically indefinitely. . .

梦神 2018-12-08 00:59:01 0  0  1110

css - BFC margin collapse issue

http://w3help.org/zh-cn/kb/010/The two sentences in bold are folded or not? In a block formatting context, boxes are placed vertically one after the other, with their starting point being the top of a containing block. The vertical distance between two sibling boxes depends on the 'margin' attribute...

巴扎黑 2017-05-16 13:43:46 0  1  634

css center popup on screen, works on computers and tablets but not on phones

Try using CSS to display a help popup in the center of the screen. On my computer and ipad it works fine, but on the iPhone the popup is vertically centered within the entire scrollable vertical space, which means I sometimes have to scroll up or down to see it. I want it to be centered on the curre...

P粉662802882 2024-03-28 20:02:46 0  1  371

Remove vertical spacing from React Native text

I made a CustomText component to use the Poppins font family. But when using it, I get vertical space which ends up getting bigger as the fontsize increases, creating unnecessary space between the two CustomText components. I tried using padding:0,margin:0,line-height:undefined|fontSize but none of ...

P粉211600174 2023-09-02 09:04:40 0  1  520

CSS collapsing margins: what is their purpose?

The CSS2 box model tells us that adjacent vertical margins will collapse. I find this annoying as it is the source of many design errors. I'm hoping that by understanding the purpose of collapsing margins, I will understand when to use them and how to avoid them when not needed. What is the purpose ...

P粉318928159 2023-10-25 19:38:51 0  1  684

javascript - How to implement circuit diagram using echarts? ?

I would like to ask, you masters, how can you achieve this effect? ​​Because the nodes on the line need to be dynamically rendered in the background and are not fixed. There is no need for Amap or Baidu maps or anything like that. It is a pure data visualization display.

曾经蜡笔没有小新 2017-06-10 09:48:57 0  1  605

Convert .HEIC to .JPG using ImageMagick in PHP

I'm hoping to try and create a small image converter that converts HEIC files uploaded to phpWeb documents to .JPG (or any other common file format). I'm running PHP on a unix server and have ImageMagick installed on the server. The following command line code runs on the server: mogrify-formatjpg*....

P粉322918729 2023-11-02 17:38:57 0  1  864

Why can BFC solve the margin overlay problem?

http://jsfiddle.net/gothic/B6E8F Doesn’t it mean that the vertical margins of two or more adjacent block elements in normal flow will collapse, so which condition does this example violate?

phpcn_u1582 2017-05-19 10:25:45 0  1  701

ReactJS design roadmap timeline

So I have the design I want to do. Basically it's a timeline that goes from the bottom left corner to the top right corner of the page. Additionally, I need to place some div elements between the rows. I also want it to be responsive, specifically the length of it will be reduced, but I still want t...

P粉563446579 2024-03-29 11:31:47 0  1  403

Make sure the table cell's container fills the entire height of the parent

I'm trying to vertically align the content without using Flexbox, because there are some issues with our use case, so I'm trying to do it with a vertically aligned table, but the problem is that the content inside is not filling the remaining height, is it possible via CSS in some way way to do this...

P粉345302753 2024-04-04 16:03:18 0  1  515

PHP remove orientation exif from image only (without using imagick)

I wrote a script that batch resizes uploaded images locally and creates thumbnails. The problem is if some images are oriented vertically but after resizing they rotate horizontally. This is due to the exif orientation of the image. Is there an easy way to remove orientation exif from an image via P...

P粉141925181 2024-03-27 09:27:01 0  1  457

How to add Tailwind CSS class for <html> and <body> tags in Nuxt 3?

I'm trying to make a custom 404 error page using tailwind for my Nuxt3 application. I want the page to fill the screen on all devices and the 404 error page to be centered vertically and horizontally, but I can't get it to center vertically. Even when using h-screen or h-full in a wrapper, it is alw...

P粉476883986 2023-09-04 19:20:05 0  1  646

MAMP cannot start Mysql Server

My computer had mysql installed before. Yesterday I deleted the original mysql in order to install mamp. ​​According to the Internet, it may be that mysql was not deleted cleanly, causing mamp to be unable to start the mysql service. I would like to ask, how can I delete mysql cleanly? And I followe...

过去多啦不再A梦 2017-06-20 10:05:47 0  3  1052

javascript - How to set the initial position of overflow scroll?

Use top: 50%; transform: translateY(-50%) to vertically center the div. When the height of the div is greater than the parent container, the initial scrolling position is not the top of the div, similar to this. Please give me some advice. .

phpcn_u1582 2017-05-19 10:16:30 0  2  784

javascript - Using jquery in vue fails. It can be used when jquery is introduced, but the plug-in that introduces jquery is not defined? ?

The use of jquery in vue failed. It can be used by introducing jquery, but the plug-in that introduces jquery shows that it is not defined. My idea is that since import introduction is not supported, can I change the source code to make it support modularization?

漂亮男人 2017-05-18 10:59:43 0  6  892