Uncaught syntax error when parsing JSON on response using AJAX request: Unexpected token '<', "

I'm using datefrom and dateto to make a dropdown menu and then display the dates between these dates, but it's not showing up and I keep getting this error message in the console. VM652:1UncaughtSyntaxError:Unexpectedtoken'<',"
"...isnotvalidJSONatJSON.parse(

P粉846294303 2023-11-01 10:06:57 0 1 269

I'm trying to crawl the titles of all tables from this URL: https://www.nature.com/articles/s41586-023-06192-4 I can find this HTML element on the website: Table1CalculatedCt–M–CtanglesI cannot crawl this title

P粉225961749 2023-09-19 12:41:46 0 1 213

Does importing a module mean embedding the module's code on the same line as the import statement?

From ReferenceError:can'taccesslexicaldeclaration'X'beforeinitialization-JavaScript|MDN, there is an example of invalid import: a.js (entry module): import{b}from "./b.js";exportconsta=2;b. js: import{a}from"./a.js";console.l

P粉269847997 2023-09-16 18:25:30 0 1 201

How can I create a SQL query that uses Col A as the primary sort key, but if Col A is empty, uses Col B as the primary sort key?

Using MariaDB, I have a view that provides information including the date of the event and whether the invitation was accepted. eventdate is an event date of type date. accepted is a field of type tinyint, which is 0 if the invitation was declined, 1 if the invitation was accepted, and defaults to N...

P粉052724364 2023-09-15 22:59:52 0 1 318

How to set date style according to set time interval in MUI date calendar?

I'm a little lost with MUIDateCalendar and need some guidance. I read the documentation and tinkered a lot, but I still don't know how to implement this. Any help would be greatly appreciated, thank you! Current calendar code: exportdefaultfunctionCalendarComp(){const[day,setDay]=useState(dayjs());f...

P粉883973481 2023-09-15 22:54:51 0 1 290

PHP encountered an exception

I've been testing bitwise operators in PHP and ran into a very strange problem. The following program0)?1 :0;echo"The ".$i."th bit of the target is ".$foo."
".PHP_EO

P粉739886290 2023-09-15 09:45:00 0 1 213

MySql and SQL settings before update trigger Updates of different tables/columns cannot update tables in stored functions/triggers

I have a join table with 2 tables (A and C) with n:m relationship. The connection table (B) also holds some information. A-----B------C In table A, I have a when_modified column that I always want to keep up to date if anything changes. This should include changes on Table B. So I have a pre-update ...

P粉677684876 2023-09-14 21:54:36 0 1 303

Toggle show/hide image multiple times in PHP using for loop

I have users on my site, the user selects their group 1/2/3 from their profile. Based on their selection, they are divided into 3 arrays: $group1_recipients[], $group2_recipients[], $group3_recipients[] Example data: $group1_recipients=["User A", "User B", "User C"], $ ...

P粉567281015 2023-09-13 15:06:29 0 1 298

Search for substring using JavaScript function

I want to write a code in JavaScript language that can search for the number of repetitions of letters in a word, like this code, but in a shorter way O(n). functionnaiveSearch(long,short){varcount=0;for(vari=0;i

P粉098979048 2023-09-13 11:04:31 0 1 186

How to get word after regex matching phrase -

I want to get the next word after the matching phrase. wait. -I want to change my pain threshold--"Change my ***"lettext="Iwanttochangemypainthreshold"letfirstTriggerregEx="(?:\\b|')(changemy)(?:\\b|')";constfound2 =text.match(firstTriggerregEx);console.

P粉834840856 2023-09-12 09:15:32 0 1 270

Rewrite the title as: If data is already inserted or not inserted into table A in MySQL, insert an id from table A into table B

I've been coding for about a year now and I'm currently working on a portfolio (a recipe website) but I'm stuck and not sure how to proceed. My problem is that I need to find a way to insert an auto-incrementing ingredientid from table A (whether inserted or not) into table B. When a recipe is submi...

P粉716228245 2023-09-11 19:14:37 0 1 239

Why doesn't innodb store row pointers in secondary/non-clustered indexes?

As we all know, innodb only stores the primary key value in the secondary index, which means that we need to traverse the clustered index B+ tree again to get the row records. Why not just store the row pointers in the secondary index to reduce the extra lookup work?

P粉038161873 2023-09-11 17:28:42 0 1 263

How to properly format numbers on on the fly in React Native?

<TextInputvalue={initialMoney}onChangeText={(x)=>{setInitialMoney(x.replace(/\B(?=(\d{3})+(?!\d))/g,'.' ));}}/>The above code will not work properly. Instead of showing 214.124.124.124 it will show 2.1.4.1.2.4.1.2.4.123 without any problem with regex

P粉396248578 2023-09-11 13:24:19 0 1 246