javascript - js input box word limit problem

js input box limits the number of words in the input box, the following code {code...} In the actual process, the following problems were found, as shown in the figure: In the input method, the letters are displayed first, and then the pinyin of the letters is converted into Chinese characters. Ther...

高洛峰 2017-07-05 10:38:10 0  6  944

javascript - How to package webpack2 to convert all es6 to es5?

The packaging posture of webpack2 may be wrong, and the transcoding compatibility is not very good. Here is my webpack.config.js configuration file (some irrelevant ones are omitted): {code...} Run on Huawei p7 mobile phone, console Display: {code...} Apparently ES6's string template feature doesn't...

天蓬老师 2017-06-26 10:57:28 0  1  1026

React Native useAnimatedGestureHandler is not called only in onStart on web

Using the PanGestureHandler on the web and trying to "drag" the AnimatedView didn't work on the web until I realized onStart() was not called. There are no obvious errors, the application builds fine and there are no warnings in the console when checking. There is a warning that leads me t...

P粉667649253 2023-08-16 15:21:08 0  1  547

Updating existing codebase to PHP 8.1: Handling non-nullable internal function parameters with Null values

I've just started upgrading my code to be compatible with php8.1. I have a lot of code snippets where I'm passing potential null values ​​to inner functions. if(strlen($row)>0){...} where $row comes from a source that may have null values ​​(such as a query). This may generate a deprecation warni...

P粉344355715 2023-10-31 20:01:48 0  2  809

Title rewritten to: Error: Invalid element type: Expected string (for built-in components) or class/function (for composite components) but got undefined element type

How can I solve this problem in my ReactNative code? The error reads "Error: Invalid element type: expected string (for built-in components) or class/function (for composite components), but got undefined. You may have forgotten to export the component from the file in which it was defined, or ...

P粉701491897 2023-09-01 13:23:24 0  1  606

Possibility to store ASP Classic code as string in MYSQL database

Is it possible to store asp classic code into a MySQL database and have it execute the code when pulled? For example store the variable name into a string and have it execute ASP before displaying it? I suspect this is not possible because the MySQL request is run after the page has loaded, so the r...

P粉557957970 2024-04-06 13:38:43 0  1  552

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  829

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  730

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  619

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  581

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  1009

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  508

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  701

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  762

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 0  1  690

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 0  1  596

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 0  1  660