MOOCs----Dahua PHP Design Pattern 7()
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').addClass('pre-numbering').hide(); $(this).addClass('has-numbering').parent().append($numbering); for (i = 1; i ').text(i)); }; $numbering.fadeIn(1700); }); });The above has introduced the MOOC - Dahua PHP Design Pattern 7 (), including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.

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Inobject-orientedprogramming,inheritanceallowsustocreatenewclassesthatinheritthepropertiesandmethodsofanexistingclass.Thispowerfulconceptenablescodereuse,modularity,andextensibilityinourprograms.Beforedivingintoaccessingparentclassattributes,let'shav

目录1:basename()2:copy()3:dirname()4:disk_free_space()5:disk_total_space()6:file_exists()7:file_get_contents()8:file_put_contents()9:filesize()10:filetype()11:glob()12:is_dir()13:is_writable()14:mkdir()15:move_uploaded_file()16:parse_ini_file()17:

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A colleague got stuck due to a bug pointed by this. Vue2’s this pointing problem caused an arrow function to be used, resulting in the inability to get the corresponding props. He didn't know it when I introduced it to him, and then I deliberately looked at the front-end communication group. So far, at least 70% of front-end programmers still don't understand it. Today I will share with you this link. If everything is wrong If you haven’t learned it yet, please give me a big mouth.

This article will help you interpret the vue source code and introduce why you can use this to access properties in various options in Vue2. I hope it will be helpful to everyone!

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