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Automatically adjust video display based on media size

I'm planning to run a background video on a web page and I have different video files for mobile and desktop. I<videoautoplayloopmutedplaysinline><sourcesrc="desktop.mp4"type="video/mp4"><sourcesrc="desktop.webm"type="video/we

P粉807239416 2023-08-25 10:29:52

How to use HTML5 to insert flv format video on mobile phone

I want to use flv format video as background playback on the login page of software developed with HTML5. I would like to ask how to achieve it. I checked a lot of posts saying that HTML5 does not support videos in flv format, but it cannot use MP4 format because the video must be placed in the loca...

大家讲道理 2017-05-31 10:40:56

Video files cannot be played, what should I do?

After I installed phpstudy8.1 on a computer with win10 system, I imported my own web page files. The web page can be opened on a computer in the same local network (winxp). The text, pictures, and styles are all correct, but the video files inserted in the web page are It cannot be played, but after...

手机用户1573803458 2020-09-10 18:31:45

javascript - Why doesn't the one that automatically changes the background of the two scripts execute?

Some time ago, I confessed that the webpage was very interesting, so I tried to watch the video and wrote the code, but why was the script for automatically changing the background not executed? Please help me. ## Only one of the two scripts is implemented ## {code...}

天蓬老师 2017-06-08 11:02:49

Eagerly looking forward to Teacher Zhu's reply, the web video online player plug-in configuration is incorrect.

Hello, Teacher Zhu, I see that the video addresses on our website are all in the structure of < src:blob:http://....>. No matter how long the video is, they will load quickly, not at all. No jamming. 1. Ours should also be a ckplayer player. How did you optimize the video problem (back-end upl...

正在输入... 2020-01-04 23:18:13

Eagerly looking forward to Teacher Zhu's reply, the web video online player plug-in configuration is incorrect.

Hello, Teacher Zhu, I see that the video addresses on our website are all in the structure of < src:blob:http://....>. No matter how long the video is, they will load quickly, not at all. No jamming. 1. Ours should also be a ckplayer player. How did you optimize the video problem (back-end upl...

正在输入... 2020-01-04 23:22:16

How to allow chrome extension to access his path and files

I'm making an Opera extension and I want to get some images stored in the extension's path. What this plugin does is, on a specific web page, change the background image URL and some icons to custom icons within the extension. However, when I run the script, everything becomes invisible, meaning it ...

P粉644981029 2024-02-26 23:12:34

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

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

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

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

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

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

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

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

How to hide mui TextField label?

I'm developing a Nextjs app and I have a dashboard navigation bar built with mui that contains a notification that opens the notification box, which is built with regular HTML and CSS. dashboard-navbar.js: importNotificationBoxfrom"./notification-box/notification-box";//...exportconstDashb...

P粉239164234 2023-09-05 15:41:00

Custom Bootstrap 5 carousel on mobile (multiple items, but not in one row)

I'm having trouble trying to customize the carousel layout on mobile devices. I want it to show every item of the carousel on mobile instead of just one, but after trying with some CSS and JS, especially using displayfloat or max-witdh I'm just starting to think this isn't possible, Or I don't know ...

P粉763662390 2023-09-05 11:53:56

How to use Firebase Authentication with multiple login methods and role-based authentication?

I am creating a react.js application with nodejs as backend and I want to use these authentication methods to login using email/password, login using google and login using phone, now I want to keep the uniqueness of the user while signing the user's name for Any of these, I will also get other deta...

P粉574695215 2023-09-05 12:18:10