When browsing and operating websites, we often encounter verification codes composed of various text characters and...
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In php code, string functions are the core part of PHP, and there are many types of functions for various stri...
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When using js to perform some mathematical calculations, sometimes there will be an infinite loop after the whole...
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Apache logs include error log error.log and access log access.log, which are indispensable for server analysis and...
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When using php code to manipulate pictures, you generally need to get the parameters such as the length and hei...
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In some dynamic websites, there are new interface content that pops up after scrolling different subtitles selecti...
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When we browse the web, when the page is very long and needs to be pulled down, it should not be possible to...
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First, the js code needs to create the html tag element first to adjust the picture display size of the specif...
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