html5 - Please explain h5 video event monitoring in detail

As shown below, when the same video is loaded repeatedly, the monitored events will not take effect. The video is valid when it is loaded for the first time, but because the 1 and 2 videos are the same, the video will not be reloaded when the dialog box is clicked for the second time to play the vid...

PHPz 2017-05-24 11:36:26 0  1  1042

javascript - How to achieve smooth switching of pop-up windows in JS?

For example, if you click on a page, a pop-up window will pop up. The content in the pop-up window has a button, and clicking will pop up a dialog box. At this time, the dialog box is not a pop-up effect, but a smooth transition. How to write it?

世界只因有你 2017-05-18 10:56:53 0  7  679

javascript - How to automatically play video video in react

My approach is to replace the video with a picture mask. Clicking on the mask triggers a dispatch action so that the mask disappears and the video label appears, but Apple doesn't. If neither mobile phone nor Android can play the video automatically, you still need to click the play button of the vi...

仅有的幸福 2017-07-05 11:03:35 0  2  1251

javascript - Setting the value of video src dynamically through jquery cannot play the video?

{Code...} The demo here https://jsfiddle.net/r9u1cn7o/ makes a pop-up pop-up box to play the corresponding video by clicking on different labels. However, I successfully assigned a value to src through jquery, but I don’t know why it cannot be played. ?

过去多啦不再A梦 2017-05-16 13:43:02 0  6  2908

javascript - A click event bug. I don't know what went wrong.

1. After scrolling the picture to the right side of the mouth, and then quickly clicking the left arrow, the magnifying glass function becomes invalid. In other cases, it seems that there is no problem in clicking anywhere. I can't find out where the problem is. I used stop() and clearQueue(), but i...

ringa_lee 2017-05-18 10:59:14 0  1  994

Why React Native apps are too slow compared to Expo

I'm trying to build an app using react-native. But this app runs very slowly, like I click or touch any button, it takes about 1-2 seconds to perform basic functions. If I build the same thing using expo it works fine. Can anyone please help me figure out why this happens with reactnative apps? My R...

P粉129275658 2023-08-26 13:47:50 0  1  516

javascript - How to write animation effects in react?

How to create animation effects for components in react? For example, for a simple dialog box, I hope that after clicking Cancel, the dialog box will first fade and then disappear. If you use jquery, it is very simple, first animate({ //Fade CSS}, function(){ //Delete DOM}). But react, I don’t know ...

世界只因有你 2017-05-18 10:58:34 0  2  747

I encountered some difficulties when developing the WeChat applet calculator. There is an error that I can't figure out, but it seems to be the same as what is written in the video. Please give me some guidance.

I encountered some difficulties when developing the WeChat applet calculator. There is an error that I can't figure out, but it seems to be the same as what is written in the video. I would like to ask for guidance. For example, if you enter: "7+7", the result will be displayed as 14 norma...

会玩的白先森 2018-03-24 16:43:36 0  1  1432

javascript - How to create a front-end effect similar to the sidebar on YouTube that is fixed but the URL changes?

In the sidebar on the left side of YouTube, when you click to switch the subscription channel, you notice that the sidebar is still fixed, but the url address bar has changed, which shows that this should not be achieved by relying on ajax. In the current project, I don't really want to use ajax to ...

世界只因有你 2017-06-12 09:28:05 0  5  899

How to swap two Div using animation

I have a project where I want a div to appear as a large box and three other divs to appear below as small boxes, when you click on a small box it will change size and swap positions with the big box using a css transition effect to Smooth movement and size changes. Currently I'm trying to use jQuer...

P粉191323236 2023-08-26 13:55:33 0  1  509

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  811

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  716

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  607

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  568

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  998

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  503

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  694

Spades, Diamonds, Hearts, Clubs => styles do not change font color in Chrome for Android

In Google Chrome on Windows, the card suit symbols (spades, hearts, diamonds, clubs) are colored correctly using the "style" attribute. Unfortunately, the same page displayed in Google Chrome on Android does not display the colors I defined but uses the default black and red. (See the atta...

P粉896751037 2023-09-05 15:25:13 0  1  752