javascript - iframe Why do the scroll bars appear like this when loading a web page?

Excuse me, why when an iframe loads a large page, a small scroll bar appears first, and only that much of the page is displayed, and then it takes a while to display all of it. Is there any way to directly display all of it? This is so ugly. . .

仅有的幸福 2017-05-16 13:26:44 0  1  536

javascript - How to prevent the page from jumping when the page scroll bar appears

How to prevent the page from jumping when the page scroll bar appears Prerequisites: 1. It needs to be compatible with ie8+2, and the page height depends on the content (that is, whether it is a fixed height) Problem: The scroll bar of modern browsers is of the overflow:auto type by default, but now...

迷茫 2017-06-26 10:54:16 0  1  903

javascript - WeChat H5 authorization return key

The requirement is this: {Code...} But now, when no processing is done, clicking Return can only return to the WeChat Authorization page, and then after a few seconds, it will jump to page a; it is also very likely that an error will occur. Then I added the code to the a page: {code...} But there ar...

世界只因有你 2017-06-26 10:55:23 0  3  1573

Encountering a black screen when trying to retrieve user data from the backend

On the frontend I'm using ReactJs and I've been trying to get the logged in user's data from the backend (PHP) via axios.get, set a condition for the user and if met they will be returned to the login page. The backend is returning nothing and appears to return to login. The situation is because the...

P粉921130067 2024-03-29 11:08:15 0  1  366

javascript - vue cannot maintain scroll position using keep-alive.

Although the top view <router-view> setting <keep-alive> can cache data and scrollTop, after using pull-up to load more data and returning after clicking an item page, the scrollTop position of the previous page cannot be accurately recorded. , the deviation is relatively...

PHP中文网 2017-05-16 13:31:13 0  1  802

transform - How to keep the coordinate axes unchanged during multiple transformations of CSS3's 3D transformation, or is there a matrix algorithm that can achieve this?

I built a cube with CSS3 and wanted to use the mouse to control the rotation of the cube (X-axis and Y-axis). The core code for page rotation is probably like this: {code...} The problem that occurred was this, the first operation There is no problem, but there will be problems later. The reason is ...

ringa_lee 2017-06-10 09:48:42 0  1  1580

javascript - How to pass the value to the page after express calls the interface?

As shown in the picture, I used http.get to request the interface and got the returned data. I now want to transfer the avatar to the index page, but after the http.get method is used, iconUrl is undefined. How can I transfer the data returned from the interface to the index page?

阿神 2017-05-31 10:36:51 0  5  825

angular.js - A problem encountered with Angular directive, first aid

I made a crawler with NodeJS, crawled data from the web page and returned it in the form of json. After using $http to get it, I now want to escape and ask for standard page display. This is what I wrote on the page and then the js part. The content after I output the scope is originally passed thro...

世界只因有你 2017-05-15 16:52:07 0  1  526

angular.js - Anxiety! Problem with ng-options in angular

I now need to bind the data obtained in the background to the JSON returned by the background on the select: js part: {code...} Then, read the user's selection data and display the user's data on the select. The selected state is bound anyway. I can't decide. I looked at the console: number:1 appear...

迷茫 2017-05-15 17:11:44 0  5  508

javascript - What is the underlying principle of JS for shopping cart?

1. What is the underlying principle of the shopping cart? How can statistics be completed? 2. Use function parameters to create the first half. How to implement the second half? 3. The code is as follows: {Code...} The following part: There are n pieces of products in total, the unit price of the mo...

習慣沉默 2017-05-19 10:36:16 0  3  669

Prevent users from returning after exiting

I don't want the user to return to the protected page by clicking the back button after logging out. In my logout code I unset the session and redirect to the login page. However, I think the browser is caching the page, so it's still visible despite the session being destroyed by logout. I can avoi...

P粉029327711 2023-08-27 19:48:23 0  2  546

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  789

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  708

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  597

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  558

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  988

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21 0  1  498

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38 0  1  689