use laravel to validate the form. routing: get is the registration view page, post is the registration logic Route::get( regist , User RegistController@registView ); Route::post( regist , User RegistController@regist ); form <form clas...
what is described in the book is that each process is allowed to have a maximum of 2563 (16,777,216) different ObjectId in the same second. The maximum 24-bit random number is 16777216, but why is it in parentheses, and how is 2563 calculated outside par...
do I have to pay Microsoft if outdated IDE, such as Visual Studio 6.0and Visual Studio 2010 continue to be used today? ...
The js file is placed in the static directory introduce js newspaper Uncaught SyntaxError: Unexpected token into index.html globally <body> <div id="app">< div> <!-- built files will be auto injected --> ...
class Echo(): def __init__(self, name): self.name = name print("Hello {}!".format(name)) def __len__(self): n=0 name=self.name for i in name: if i.isupper()==True: n=n+...
react uses for conditional rendering. { this.state.show ? <View > : null } the content is rendered only when the condition is triggered, otherwise it is not rendered and is not controlled by display:none . at a time like this, how do you ...