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function_exists() cannot determine the custom function
Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
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How to display the mobile version of Google Chrome
Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
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The child window operates the parent window, but the output does not respond.
The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
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There is no output in the parent window
document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
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Where is the courseware about CSS mind mapping?
Courseware
From 2024-04-16 10:10:18
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PX automatic conversion to REM error
<style>html { font-size: calc(100vw / 3.75); }...
From 2024-04-16 09:34:16
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PHP arrays obtained from URL parameters do not behave as expected
I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
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Move the content to the left by adding the Width property
I have provided margins to the body. main {left margin: 200px; right margin: 200px; text a...
From 2024-04-06 22:01:35
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Where should I place CustomLog directive in apache
I'm using php:7.2-apachedocker. I need to disable health check url login access log. Based...
From 2024-04-06 22:03:59
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What is the format of the variables in the return value?
I am a new learner of php. I found a piece of code: if($x<time()){return[false,'error']...
From 2024-04-06 21:55:20
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The page suddenly cannot pull css or bootstrap
So I'm developing a page, I did part of it yesterday and it worked great, and today I cont...
From 2024-04-06 21:58:04
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How to trigger render (with filter and pagination) on sort method in React?
Here is my Sort.js style component: <SortWrapper><SortText>SortBy</SortText...
From 2024-04-06 21:28:37
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Set a private member of a class as a constructor parameter
classFoo{#one#two#three#four#five#six#seven#eight#nine#ten#eleven#twelve#thirteen#fourteen...
From 2024-04-06 21:48:47
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How to display only the lowest value from a result set (MYSQL)
I have the following statement: selectDATE(recieved_on)asDay,round(count(*)/24)AS'average'...
From 2024-04-06 21:44:19
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Regular expression to match words
I have a script where I am trying to match new job names with existing job names in a data...
From 2024-04-06 21:24:04
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