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Can use splice but cannot use substring

Why do I get an error when using substring for the same array?

迷茫 2017-07-05 10:48:09 0  4  1023

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<long.length;i++){for(varj=0;j<short.length;j++){if(short[j]!== long[i+j])b

P粉098979048 2023-09-13 11:04:31 0  1  615

Research question on multi-column query using PHP

I have a question. I need to query all text containing a substring given by using POST method on PHP. For example, if I enter an "a" or a number like "1" (a character not an integer), do I need to find everything that contains that character or substring and check every column in...

P粉242126786 2023-07-26 17:32:50 0  1  578

Maximum number of tickets served per hour per service - SQL

This is an answering service that has tickets from several different services and I would like to receive tickets for each service's employees on an hourly basis. I have the following code and database output: print code SELECTgfqueuecounter_counter,hora,gfqueue_descFROM(SELECTgfqueuecounter_time,gf...

P粉919464207 2024-04-02 16:18:08 0  1  638

Is it possible to change a substring within a string to a different HTML tag or attribute?

There is a React component that accepts strings as properties: interfaceMyProps{myInput:string;}exportfunctionMyComponent({myInput}:MyProps){...return(<div>{myInput}</div>);}; This component is used in other Where used: <MyComponentmyInput="Please pass test@test.

P粉852114752 2023-09-13 16:34:08 0  1  587

javascript - How to make a string automatically add 0 in front of a single digit and only retain two digits of a three-digit number

Get data from the background. If the data is "4", the front desk will display "04". If the background is "04", the front desk will display "04". My code: $(".ball_1").html(data.ball_1&gt;=10||data. ball_1.length=3data.ball_1:'0'+data.bal_1||data....

巴扎黑 2017-07-05 10:53:42 0  4  1107

javascript - About interception of strings

For example, there is a string a = "8px"; the number of digits in the number is not necessarily certain. If I want to intercept the number, I want to use a.substring(0,a.indexOf("p")). I originally wanted to use a.substring(0, -2); But after checking, I found out that the substri...

ringa_lee 2017-05-19 10:11:49 0  8  722

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  586

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1379

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2935

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1167

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1180

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚 2017-10-11 08:00:11 0  0  1137

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44 0  1  1143

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過 2017-10-11 10:20:08 0  1  1359

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5206

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

極世 2017-10-11 12:33:15 0  1  1681

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1764

An error warning appears when phpstudy enters the database

Hirtdye 2017-10-11 17:12:35 0  2  1621

Problem with bool value output

<?php//In fact, it can be lowercase, but it is difficult to distinguish, so we stipulate that it is usually uppercase define('xiaoxie',true);echo xiaoxie;$hello=flase;echo $hello;?>Why is the output result of the previous code 1? The subsequent output result is false, shouldn't it be 0?

益?zhèn)?2017-10-11 20:37:54 0  1  1717