Div with transparent semicircle cutout

I want to make a transparent cut out semicircle shape using only CSS3. The only requirement is that all elements forming the shape must be black or transparent. I can't use a black rectangle with a white circle on it because the semicircle has to be transparent and let the background show through. R...

P粉022285768 2023-10-22 17:51:09 0  2  765

Title: Achieve white text visibility on any color background except white

Using mix-blend-mode:Difference to change the text color to white works well when the background color is black. Move the mouse to the text to see the effect: constblackBox=document.querySelector(".black-box");window.addEventLis tener('mousemove',function(event){blackBox.style.left

P粉744691205 2023-11-10 16:59:01 0  1  780

New title: Modify checkbox checkmark color

I have implemented a function to change the background color of the checkbox but it makes the tick marks black which I don't want, I want the markers to remain white, how can I achieve this? HTML:-<divv-for="categoryinccategories":key="category.id"><div><inputtype=...

P粉063039990 2023-12-18 22:40:28 0  2  466

How to implement navigation bar hover effect

I'm working on my vertical navigation bar. The name of that icon should be visible on the right. The name is also supposed to change from white to black when the mouse is over the icon, but it's not working. I tried changing the tags around to see if that helps. I also changed the tag in the HTML an...

P粉041758700 2024-01-10 18:06:56 0  1  434

javascript - How to force a component to refresh in react?

There is an &lt;img src='127.0.0.1/img' /&gt; tag inside the component that loads the image through the URL. It is assumed that an all-white image is initially returned. After the user clicks a button, the background processing image becomes all black. At this time, I hope that the client ca...

漂亮男人 2017-05-19 10:30:06 0  3  1079

Place interactive markers on images using React

please help. I have an image like the one below that is displayed on the home page (a larger image). Note that the "FORGE" house has a white and blue marker with a black arrow in the middle. The same goes for "rental" homes. Each of these markers will act as an interactive button...

P粉896751037 2023-09-08 21:25:41 0  1  842

Create scalable signposts using HTML, CSS and SVG

I want to make a button in the form of a signpost (a rectangle with a tip). _______|\|_______/I want to dynamically write text into a logo, each text having a different length. If I try this using just the graphic as a background graphic, the arrows scale and compress/stretch accordingly. So the way...

P粉555682718 2024-03-31 14:45:14 0  1  462

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  729

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  761

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  689

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