Python - Return a new instance of itself through a class method

Define a class A and have a method with its own ID + 1. The code is as follows: {code...} Define instance x as class A with an id of 1 and print x.id: {code...} Now I want to create An instance y, which is also a class A, is created through the newid method of class A: {code...} You can get the accu...

漂亮男人 2017-05-18 10:53:17 0  2  649

How to add headers and footers to each page of a printed HTML document?

Is it possible to print a custom header and footer HTML page on every printed page? I want to add the words "UNCLASSIFIED" in red, Arial font, 16pt size, to the top and bottom of every printed page, regardless of content. To clarify, if the document is printed to 5 pages, each page should ...

P粉256487077 2023-08-20 14:58:06 0  1  783

Script not running properly after Ajax call

I'm building my own portfolio website on WordPress and writing almost the entire code without plugins. The website's homepage comes with a dynamic "Custom Post Type" grid and I have implemented an Ajax filter based on post taxonomies/categories and the posts are reordered based on the filt...

P粉642919823 2024-01-29 11:10:45 0  1  476

I want to display custom fields in Woocommerce Bookings Availability

I'm using WoocommerceBooking and WoocommerceBookingsAvailability to display my booking availability as a timetable. Here's what it looks like now: But I want to add custom field information inside each block, such as "Vessel Type", "Destination", etc. How do I proceed? This is wh...

P粉130097898 2023-09-08 19:43:58 0  1  518

Create a personalized WooCommerce settings page with dedicated sections

I'm trying to add a custom settings tab to the WooCommerce settings screen. Basically I want to achieve similar functionality to the Product Settings tab via subsections/subtabs: I haven't found any decent documentation on how to do this, but I've been able to add a custom tab using the following sn...

P粉521748211 2023-12-12 12:34:55 0  1  505

How PHP interfaces actually change the behavior of classes

According to the PHP documentation, object interfaces allow you to create code that specifies which methods a class must implement without defining how those methods are implemented. So, the interface is like a class with predefined methods, which still need to be accessed using -> notation. Howe...

P粉289775043 2023-09-02 23:49:28 0  1  618

React flowchart: Example demonstrating custom grouping nodes

I'm studying the documentation for the ReactFlow library and trying to find out if there is a way to create my own node that will be a group (I want to implement a custom title and style before the child nodes). I didn't find anything in the documentation - neither in the Docs/Subflow section nor in...

P粉312195700 2023-08-25 23:52:45 0  1  574

Split or inject styles in React component libraries built with Vite

I'm currently rewriting the build steps for the component library to use Vite. I'm having an issue with styles, they are not split but bundled into one big style.css file. This caused me two problems: When I installed the package into another project, it wasn't automatically included. If I import a ...

P粉464113078 2024-01-10 17:00:11 0  1  509

What is the modern equivalent of LESS string-set

For an example of string sets and their uses, see Using LESS String Set Properties and Content Methods After much confusion I discovered that this is outdated and hasn't been implemented since Chrome version 39, although it is apparently in LESS continue to exist. The textbook use case is to get the...

P粉993712159 2024-04-02 13:29:36 0  1  483

Center button component in Next.js app?

I'm using a button in my nextjs page which is on its own row. I want the button to appear in the middle of the page because I think that will look best on both PC and mobile, but no matter what I try, the button element can't seem to move from its original position on the far left of the page. Manua...

P粉011360903 2023-09-18 22:05:21 0  1  795

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