css3 - How to achieve the effect of each part of the page appearing as the scroll bar slides down?

I looked at a website. As the scroll bar slides down, every part of the page has the same effect as when it was first loaded. After refreshing again, these effects will reappear. How is this done? Is it written in the load of jquery? It is similar to the homepage of this website http://www.itxdl.cn/...

漂亮男人 2017-06-05 11:10:23 0  2  1845

How to allow users to upload or change images on one page and display them on another page?

How to let users upload pictures on one page and then display them on another page? The user can change the image and it will change in other pages as well. Also, I'm talking about using php/js/jquery/mysqli whatever works best. (I'm just a beginner in this field, so I'd appreciate it if you use som...

P粉298305266 2024-04-01 18:33:31 0  1  542

javascript - About vue2 triggering click event

Now I have some li's that are bound to the click event @click="a()" and the id of each li is different. Now I want to trigger the @click event of the li with a certain id when entering the page. May I ask how? Writing jQuery's .click() has no effect. For example, the ids of li are 1 2 3 4 ...

为情所困 2017-05-18 10:52:52 0  4  563

php - When deploying the website, a gray area appears in the header of the page. I don't know what's going on?

I wrote a website using HTML5, thinkphp, and bootstrap4.0beta. The homepage copied an online resource and tested it locally with phpstudy. The page effect is fine. But when deployed on Alibaba Cloud's lamp, a gray area appeared at the top of the page, which was very eye-catching. Guys, please help m...

欧阳克 2017-06-19 09:07:00 0  4  954

css3 - Graphic and text responsive styles

Make this page responsive on the PC desktop: One way is to directly make the picture responsive. This method is simple. The only disadvantage is that the text is blurred and the effect is not perfect; the other way is to make the picture + Text, in this way, the text size needs to be adaptive, and t...

習慣沉默 2017-05-16 13:20:57 0  3  729

How to draw a line between two points using js and CSS

This is a simple HTML page containing 2 points and a line connecting the points, added using jQuery. The result is a line that has no connecting points but is offset for some reason. functiondrawLine(){constline_=$("<div>",{class:"line"});constp1=$("#point1&quo...

P粉714844743 2023-09-12 11:41:32 0  1  978

How to upload PDF files to Flutter and store to MySQL database

I'm just new to flutter and mysql and I don't know where to start, if anyone knows how to make it please explain. Thanks! ! I'm hoping someone can help make this page simpler or something. This really helps me, thank you! !

P粉512729862 2024-04-02 21:43:05 0  1  491

Delete the js code that is still running

Even if the element is removed from the page, the js code will continue to run. The first difficulty when coding with react-js. Because the page is not reloaded, the initial scripts are still running, such as setInterval, websocket, etc code. The simple example below has the elements removed but is ...

P粉864872812 2024-02-17 18:08:32 0  2  548

javascript - A front-end self-cultivation

As mentioned, I have just entered the industry and have been working in the company for two months. I consider myself to be a diamond in the rough. However, the company does not pay much attention to front-end effects. As long as I can write divs, compatibility and animation effects are not required...

曾经蜡笔没有小新 2017-07-03 11:43:03 0  2  974

javascript - I encountered a strange problem when deploying a vue.js project locally today

I copied other people's projects and was new to vue.js. I soon discovered that only one index.html file was introduced during startup. The project directory is as follows: index.html. A nodejs service was started locally (pay attention to the directory). I don't know why there is no effect on the pa...

迷茫 2017-06-14 10:50:18 0  2  923

Baidu search shows abnormal results. Please give me some advice. Thank you.

First of all, let me introduce that our company's website address is: www.comany.cn. Two months ago, the website was hacked by a lottery company. After the malicious Trojan was cleared, the Baidu search results page displayed like this: I tried changing the characters The set was changed from "...

Tony Chang 2018-06-05 13:27:53 0  0  1109

JavaScript implements smooth transition from thumbnail to full-width image page

http://manifesto.clapat.com/ If you click on any item on the home page, you will transition from a thumbnail to a full-screen image that will become the title of that item's page. How are these transition effects created and what would be the best way to implement them using internal routing instead...

P粉536532781 2023-09-15 22:09:37 0  1  983

Switch Statement: A Guide to Displaying Images

I'm making a Mass Effect personality quiz adapted from the EasyDamusD&D quiz from the 90s, but I'm having trouble using the results page. That is, I'm trying to include an image to match each result, but I don't know what to do when the code uses a switch statement to implement the result. Here ...

P粉557957970 2024-01-29 13:17:59 0  1  476

How to create a hybrid straight/curved section boundary using svg or css?

For my application, I'm creating a registration page with non-standard section boundaries. You can see what I'm trying to achieve here: it's not a simple arc - it has two straight lines, and an arc in between. As far as I know, the best way to achieve something like this is to use SVG. The problem i...

P粉920835423 2023-09-02 11:35:13 0  1  632

Need a jquery script to move selected options from a select box based on the end user's current selection

I have an HTML page where the end user can rank our items via a select box element. See the fiddle to see a simple demo: https://jsfiddle.net/Balkanlii/ghecv1j8/1/ I want to build a jquery script that in the event the same ranking is selected a second time (if the end user changes their mind etc.) w...

P粉170858678 2024-04-04 18:40:04 0  1  3726

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  854

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  741

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28 0  1  633

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32 0  1  604

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44 0  1  1020