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Using Elasticsearch search search engine, configure ik Chinese word segmentation, associate with Laravel model, and then realize the business logic of search. This is the end of the article. Use the Scout extension package of Laravel to complete the search function To continue, Scout and Elastic enabled expansion packs have been installed and c ...

Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in-place. Example 1: Input: [ [1,1,1], [1,0,1], [1,1,1] ] Output: [ [1,0,1], [0,0,0], [1,0,1] ] Example 2: Input: [ [0,1,2,0], [3,4,5,2], [1,3,1,5] ] Output: [ [0,0,0,0], [0,4,5,0], [0,3,1,0] ]     ...

leetcode list reverse link Summary of requirements: Invert a single chain table Input: 1 - > 2 - > 3 - > 4 - > 5 - > null Output: 5 - > 4 - > 3 - > 2 - > 1 - > null The approach is to consider the next of the node in the linked list to point to its previous node, so as to reverse. /** * Definition for singly-linke ...

Using struts to complete adding, deleting, modifying and checkingIdeas: 1. Import related pom dependencies (struts, custom tag library dependency) 2. Import the paginated tag class, z.tld, and complete the configuration of web.xml 3. dao layer to access data 4. The web layer calls the dao layer to return data to the foreground. 5. Configur ...

mysql dual primary configuration mysql dual masters are actually synchronous and subordinate to each other. Any one can perform the insert action The production environment is used very little, because there are still concerns about data consistency. The production environment is generally enough The configuration of 172.19.132.121 starts ...

LNMP architecture LNMP platform is the combined architecture of Linux, Nginx, MySQL and PHP. It requires Linux server, MySQL server and PHP parsing environment Component component Linux is a kind of Unix computer operating system, which is the most popular free operating system. Nginx is a high-performance HTTP and reverse proxy server. Mysql ...

author: Ka Ka WeChat: fangkangfk   This is material. Database: Source code: <?php namespace App\Models; use Illuminate\Database\Eloquent\Model; /** * Commodity classification */ class GoodsCategory extends Model { protected $fillable = ['name', 'category_image']; protected $ ...

Two points search Binary Search, also known as Binary Search, is an efficient search method. However, half search requires that the linear table must adopt the sequential storage structure, and the elements in the table are ordered by keywords. Algorithm requirements 1. Sequential storage structure must be adopted.2. The keywords must be arran ...

When I first contacted vue, I was puzzled by the rendering of router view for a long time. I don't know why there are many router links and different router views, but why is there no confusion in rendering? This is a demo I wrote myself On the left is the primary route, on the right is the component corresponding to the primary route. On t ...

Title Link: Luo Gu Title Description: give the number of $n $$a_i $, if $I < J $and $a_i & a_j > 0 $, then $I $to $J $are connected with a directed side, $q $times, and ask if it can reach $r $from $l $. Data range: $n,q\leq 3*10^5$ A wonderful thought problem. (binary is used for the following) Maintain two arrays, $g {i, j} $ind ...