print(y)# NameError: name 'y' is not defined 導入錯誤 1 2 3 importmath result=Math.sqrt(16)# NameError: name 'Math' is not defined 解決辦法 方法一:檢查拼寫 確保所有變量名的拼寫都是正確的。 1 2 variable=10 print(variable) 方法二:確保變量在當前作用域中定義 ...
Since PHP 4.4.0 and 5.1.0, three additional escape sequences to match generic character types are available whenUTF-8 modeis selected. They are: \p{xx} a character with the xx property \P{xx} a character without the xx property
chrome:xx - >chrome://crash/ crash? Chrome input enter fucked! chrome send empty key,is funny~_~ Because not a void element.[/code [code] when name are isindex does not send key. X It like http://html5sec.org/#1 but only chrome support . echo 1 ...