How to generate GUID/UUID?

How to create a GUID (Globally Unique Identifier) ​​in JavaScript? GUIDs/UUIDs should be at least 32 characters long and should stay within the ASCII range to avoid trouble passing them. I'm not sure what routines are available on all browsers, what the "randomness" of the built-in random ...

P粉304704653 2023-10-08 14:55:18 0  2  605

php - How does laravel load balancing implement csrf defense?

Laravel enables csrf by default, using csrf_token() to generate a random string and save it in the browser and session file. Then find the corresponding session file based on the cookie returned by the browser, and obtain the token for comparison. But the problem is if Use load balancing and configu...

phpcn_u1582 2017-06-05 11:09:22 0  2  1013

Why doesn't the URL constructor encode parentheses in the query string?

In JavaScript, the URL constructor does not encode brackets and parentheses when they appear in a query string, whereas encodeURI or encodeURIComponent always encodes them. This confuses me because most sources say to use encodeURI/encodeURIComponent for encoding when you include special characters ...

P粉287254588 2023-09-03 21:05:00 0  1  511

Is it possible for the code to skip an iteration in web scraping? IndexError: popup index out of range

So I have a code that removes the name + price of a mineral from 14 pages (so far) and saves it to a .txt file. I first tried using only Page1, then I wanted to add more pages to get more data. But then the code grabs something it shouldn't - random names/strings. I didn't expect it to grab that one...

P粉846294303 2024-02-21 19:40:15 0  2  450

Problems encountered when using strpos() PHP function for information retrieval and cropping

I'm getting raw data from an API that contains a JSON and I'm trying to crop out the JSON-only part from the returned data. I used PHP's strpos() function to write a function to trim the JSON from the beginning (the position of the opening brace) to the end (the position of the closing brace). But I...

P粉692052513 2023-09-21 10:35:25 0  1  690

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  826

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  900

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  781

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  659

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  630

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  1052

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  538

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  734

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  781

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  717

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  616

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  695