javascript - js deletes a certain row in one list and deletes the corresponding index row in another list

RT! When a certain row in list A is clicked and a delete event is executed, and then the corresponding row in list B is deleted, I want to achieve this through the index method. But when I executed the delete event for the first time, the correct corresponding rows were deleted in the corresponding ...

学习ing 2017-06-12 09:28:30 0  3  1050

Unable to drop index required by MySQL foreign key constraint

I need to modify my existing database to add a column. Therefore, I also want to update the UNIQUE field to include that new column. I'm trying to drop the current index but keep getting the error MySQLCannotdropindexneededinaforeignkeyconstraintCREATETABLEmytable_a(IDTINYINTNOTNULLAUTO_INCREMENTPRI...

P粉882357979 2023-08-14 13:34:46 0  2  568

Reference soft delete method set

The soft delete class is already loaded under the namespace. Why do we still need to reference the soft delete method set below?

乔巴 2020-01-11 22:12:10 0  0  1483

MYSQL Workbench - Index after deletion (Java)

I have a problem with MYSQLWorkbench. Let's say I have this table, user "x" has index 8. Let's say I delete this user so now I only have 7 users. If I create a new user using the Java console, the new user is created with ID9 because it is auto-incremented. Is there a way to tell Workbench...

P粉729518806 2023-09-05 10:34:42 0  1  537

Remove leading and trailing quotes from user-submitted strings in VueJS

I have a VueJS application that contains forms that are prefilled with data. The textarea element contains some data as shown on the UI Note: (sorry I don't have enough rep points to attach a screenshot yet): Screenshot of the UI textarea element with quotes I cannot modify the way the backend provi...

P粉076987386 2024-03-26 22:25:27 0  1  421

Way to remove double quotes and convert data type to string in Google BigQuery

The values ​​are of JSON object type and I want to change them to strings and remove the double quote symbols. I tried the replace and trim functions but they require strings as input. I also tried the replace, trim and cast functions but they require the input to be in string format. Select replace...

P粉481035232 2023-08-15 11:25:31 0  1  494

Use useState hook to maintain persistent values ​​across multiple function calls

I'm calling the "deleteDepartment" function on a button to delete department rows in a table. Get the selected row index from the table (I'm using shancn table using tanstack table) in "selectedRows" hook (pass setSelectedRows as prop to the table component which gets the value f...

P粉006540600 2023-08-14 13:33:49 0  1  473

javascript - mongodb reference cannot delete reference when deleting data

A problem occurs: the _id field of data 2 is in the friends field of data 1. At this time, I want to delete data 2, but the _id field in the friends field is not deleted. Question: After deleting data 2, all _ids related to field 2 will be automatically deleted. If it cannot be deleted automatically...

三叔 2017-07-03 11:41:12 0  1  1487

java - Lucene wants to delete field as specified value data

{code...} I want to delete the index data with tid 1. I tried {code...} but the input parameters can only be query or term objects, and it has not been successful. What should be done correctly? ?

欧阳克 2017-07-03 11:43:30 0  1  849

How to avoid adding class="" to the last element of a Vue.js loop

In vuejs template, when looping the last iteration of index, remove tailwind class. In the template v-for="(service,index)ingetAllServices.home_page_services":key="index"In the script<script>exportdefault{mounted(){this.$store.dispatch("g

P粉868586032 2023-08-29 14:28:06 0  1  498

MySQL constrains unique index only if another column is empty

I'm trying to rewrite the Postgres schema to fit the MySQL (8.0.32) dialect. As you know, MySQL does not support partial indexes. In the following case, there will be an index that enforces unique data on customer_group.name only if deleted_at is null. This makes sense since there is no point in ens...

P粉930448030 2024-01-16 15:42:42 0  2  466

Optimize table indexes in MySQL

我有一个表(trackingsearches):CREATETABLE`searches`(`id`int(10)unsignedNOTNULLAUTO_INCREMENT,`deleted`tinyint(1)unsignedNOTNULL,`query`varchar(1024)COLLATEutf8mb4_unicode_ciDEFAULTNULL,`userId`int(10)unsign

P粉841870942 2023-07-25 09:47:08 0  1  583

javascript - Problems with component division and combination use in vue

I am new to Vue. I am currently doing a small exercise with a grid component and a dialog component. There is a delete button for each row in the grid. After clicking, a pop-up window will prompt whether to delete it. The grid component is as shown below: The dialog component is as shown below: Crea...

漂亮男人 2017-05-19 10:37:17 0  1  577

How to delete articles and pictures uploaded by the editor in PHP? ?

I have developed a blog website by myself, which is built using the tp5.0 framework. The content of published articles refers to Baidu Editor. Now I have encountered a problem. When deleting this article, I upload the Baidu Editor (ueditor) pictures are also deleted. How to solve this?

HLZ@ 2020-08-25 17:28:55 0  2  1088

Cannot drop index '*': required -> in foreign key constraint but which one?

Context I have a problem deleting a row from a table. I use these queries to first delete its foreign key and then delete the column that the key points to. ALTERTABLEresourcesdropforeignkeyfk_res_to_addr;ALTERTABLEresourcesdropcolumnaddress_id; Dropping constraints works well. Dropping column fails...

P粉155710425 2024-03-25 23:27:49 0  2  401

Why does MYSQL cascade update fail? Any advice?

use my_foreign;create table myforeign2(id int primary key auto_increment,name varchar(20) not null,c_id int,foreign key(c_id) references my_class.myclass(id) on delete set null on update cascade);use

Adolph 2018-06-21 17:56:33 0  0  1540

After deleting a navigation menu, an unindexed lael error occurred when entering the system.

朱贺~萌猫智科 2023-11-25 20:59:02 0  0  872