Asksearch_php.cn

Community

Learn

Tools Library

AI Tools

Leisure

English

Popular searches：
PHP
MySQL
jquery
HTML
CSS

Python 3.5 random.shuffle problem

When generating a random list, the random.shuffle() function is used. The following questions arise about the call of this function: If a list is explicitly defined, such as li = [], the shuffle function can produce the desired results. ;But if list(range(n)) is used as the parameter of shuffle...

世界只因有你 2017-05-18 10:48:52

Rewritten title: Learn how to randomly sort (shuffle) a JavaScript array

I have an array like this: vararr1=["a","b","c","d"]; How do I randomize/shuffle it?

P粉818125805 2023-08-21 11:28:39

How to randomize the order of an array?

I want to shuffle an array of elements in JavaScript like this: [0,3,3]->[3,0,3][9,3,6,0,6]->[0,3,6, 9,6][3,3,6,0,6]->[0,3,6,3,6]

P粉512526720 2023-10-11 18:42:00

Master the method of random sorting (shuffling) of arrays in JavaScript

I have an array like this: vararr1=["a","b","c","d"]; How do I randomize/shuffle it?

P粉877719694 2023-08-22 14:01:56

How to select a random value from an array in PHP?

I have an array of objects in PHP. I need to randomly select 8 of them. My initial idea was to use array_rand(array_flip($my_array),8) but this doesn't work because objects cannot be keys to arrays. I know I can use shuffle, but I'm worried that as the array grows the performance will get worse. Is ...

P粉860897943 2023-08-24 22:40:55

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

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

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

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