PHP trim unicode spaces

I'm trying to trim unicode spaces such as this character and I was able to do it using this solution. The problem with this solution is that it does not trim unicode spaces between normal characters. For example, this uses thin space $string=" test test string ";echopreg_replace('/^[\pZ\pC...

P粉163951336 2023-11-13 08:49:45 0 2 398

Title rewritten to: Missing error message: UserPoolId and ClientId are missing

I'm looking into using cognito for amplify authentication in a vuejs application, here is the code I added in main.js: importAmplifyfrom'aws-amplify';Amplify.configure({Auth:{mandatorySignIn:false,region:config. cognito.REGION,userPoolId:config.cognito.USER_POOL_ID,U

P粉166675898 2023-11-06 19:36:03 0 1 199

Fatal error: Class 'imagick' not found

I'm trying to install the imagemagicphp extension under WampServer2. I have downloaded and installed ImageMagick. I chose ImageMagick-6.8.8-10-Q16-x86-dll.exe and I already downloaded the php extension. I have moved the dll extension I just downloaded to C:\wamp\bin\php\php5.4.16\ext\ I changed php....

P粉296080076 2023-10-17 11:34:20 0 2 261

MySQL InnoDB does not free disk space after deleting data rows from table

I have a MySQL table using the InnoDB storage engine; it contains approximately 2M rows of data. When I delete data rows from the table, it does not free the allocated disk space. After running the optimizetable command, the size of the ibdata1 file has not been reduced. Is there any way to reclaim ...

P粉148434742 2023-10-15 00:02:19 0 2 222

How to add existing schema to mysql on windows

I haven't seen anything about this topic anywhere, not even here. The problem is that I have a MySQL8.0 database that is on a previous hard drive (HD). Boot failed on the original drive, so I copied the folder C:\ProgramData\mysql\MySQLServer8.0\Data\my_db to the new HD and reinstalled MySQL. My pro...

P粉204136428 2023-09-14 13:51:44 0 1 210

How to create unique keys in a 2D array of a checkerboard using React and JavaScript

I'm new to building apps and coding, and as a side project I'm trying to make a chessboard using React and JavaScript. I'm currently trying to figure out a way to create a unique id key in the 2Dfor loop of the Chessboard component below: This is the code for the Tile component import'./Tile.css';co...

P粉512729862 2023-09-14 12:45:45 0 1 291

Implement the checkerboard pattern display of elements using code written in PHP

I display elements from the php side like this: getImageUrl()?>&

P粉068486220 2023-09-14 11:46:21 0 1 191

How to transfer the id of a certain element to the backend after a click event?

I am writing my project on some page which is responsible for listing movies, after clicking on them it will link you to a page where you can see all the information about the specific movie you clicked on, now I am using SQL on my database and one of my ideas is to transfer the id of the pressed el...

P粉738046172 2023-09-13 15:29:27 0 1 218

Storing rendered components and state: how to persist across page reloads?

I'm developing a dashboard application that users can customize to render components of their choice. Once they are configured, how do I save this state so that when the user revisits the application, it loads the same settings as when they left? For example, I have the following components availabl...

P粉052686710 2023-09-11 10:47:00 0 1 208

Close input text box: ReactJs operation when value changes

I have the following problem: I have an input textbox and I'm scanning a barcode. But the textbox doesn't close automatically. If I enter numbers using the keyboard it automatically closes. Did I do something wrong? Is the scanner too fast? Any ideas? const[open,setOpen]=useState(false);constonValue...

P粉386318086 2023-09-08 23:29:17 0 1 251

Typescript sudoku problem showing partially filled board

I have successfully converted a js sudoku generator into a ts generator for practice. The only problem is how to make it only output the complete sudoku board. Now, it outputs regardless of whether the disk is complete or not, and I have to refresh until a correct disk appears. I'm not sure how to w...

P粉135799949 2023-09-08 00:14:34 0 1 236

How to assign a type to an array of tuples whose entries may vary from tuple to tuple?

Let's say I have functionfoo(args){...} where args is an array of tuples such that the entries within the tuple are of the same type (i.e. [T,T]), but entries across tuples may vary arbitrarily (i.e. [[T,T],[U,U],[V,V]]). For example: foo([[1,3],["hello","world"],[true,true],[2,7...

P粉068486220 2023-09-06 22:44:17 0 2 310

VueJS handles errors in api calls on form components

I have a simple registration endpoint that I want to allow users to register in my vue application, I also want to display appropriate errors to the vue client from my backend. The error JSON structure is as follows: {"errors":{"Password":["Passwordisrequired","Min...

P粉964682904 2023-09-06 22:01:08 0 2 279

Using SVG directly in HTML markup does not allow me to assign the role to a button or have the desired hover effect

I have a container with an icon that is supposed to perform two functions: Act like a button (accessible via keyboard/screen reader etc.) Turn red on hover/focus When I use the SVG directly in the markup, the hover The stop effect works as expected, but I can't assign the button role to the SVG like...

P粉940538947 2023-09-06 20:29:59 0 1 293

CSS animation that looks closer and farther from left to right, simulating the movement of a glass facade on a turntable

I'm trying to create a CSS animation that moves horizontally from left to right while appearing closer and further away, simulating the movement of the glass on a turntable plate when viewed from the front. I'm getting close, but it still doesn't look right, currently it looks like it's moving along...

P粉208469050 2023-09-04 21:59:55 0 1 274

Place responsive blocks in flex columns

I have a gaming website that has a header, board, and footer. I need all three to fit inside the viewport. The board should be smaller to achieve this. Minification is the problem I'm having. I've been able to get the width responsive but not the restrictive height. The board should remain square an...

P粉545682500 2023-09-03 19:51:51 0 2 209

React - Using useMemo() still causes keyboard input to slow down

I have code like this, which has many input boxes, each input box is used to modify a price value. Since there are a lot of input boxes (3 prices per area and 3 pricing per price), to avoid re-rendering everything every time, I used useMemo on the function that updates the input box value, and in ad...

P粉340264283 2023-09-03 17:16:59 0 1 288

An attempt to write a tic-tac-toe game using JavaScript

I'm trying to implement the X's and O's in Tic Tac Toe via JavaScript by clicking a square on my board. I have to create X or O for Tic Tac Toe game. But I'm not sure how to make an X or an O. And I need it to be functional like an actual tic-tac-toe game.

P粉733166744 2023-09-03 15:07:48 0 1 195

Button position issue (CSS)

I'm trying to design a chessboard but I'm running into a problem where White_Pawn7 appears on the "next row" and I don't know why. I used an image to display the chess pieces and made a div with a chessboard background. The ID is designed for better navigation of where this button should g...

P粉793532469 2023-09-03 10:45:19 0 1 243

Select/pin individual pixels on Plotly heatmap

On Plotly heatmaps it is sometimes useful to have 2 selection modes: Rectangular selection (already available in modbar) Selecting/fixing individual pixels: I tried to achieve this by recycling the existing "drawcircle" button which I don't need. When clicked, the pixel should highlight, o...

P粉806834059 2023-09-02 14:57:46 0 1 268