python backslash

Transferred from CSDN, the original sticker address http://blog.csdn.net/zlwzlwzlw/article/details/7768313/Recently encountered a small problem in the project, tangled half a day.What is the difference between using a slash/and a backslash \ in a path. After reviewing some information, we know.UNIX uses a diagonal bar/As a path delimiter, and Web apps are most recently used on UNIX systems, so all network addresses currently use a slash/delimiter.Wind

What is Magic Quotes When turned on, all ' (single quotes), "(double quotes), \ (backslash), and NULL characters are automatically added with a backslash to escape. This is exactly the same as the addslashes () function. A total of three magic quote instructions: MAGIC_QUOTES_GPC affects HTTP request data (Get,post and cookies). Cannot be changed at run time. The default value in PHP is on. See GET_MAGIC_Q

Recently encountered a small problem in the project, tangled half a day.What is the difference between using a slash/and a backslash \ in a path. After reviewing some information, we know.UNIX uses a diagonal bar/As a path delimiter, and Web apps are most recently used on UNIX systems, so all network addresses currently use a slash/delimiter.Windows is marked with the use of a diagonal bar/As a parameter of the DOS command prompt, and in order not to

Recently encountered a small problem in the project, tangled half a day.What is the difference between using a slash/and a backslash \ in a path. After reviewing some information, we know.UNIX uses a diagonal bar/As a path delimiter, and Web apps are most recently used on UNIX systems, so all network addresses currently use a slash/delimiter.Windows is marked with the use of a diagonal bar/As a parameter of the DOS command prompt, and in order not to

attacker can construct data to eliminate\Take a look at the instance code://用GET方式获取id值，并对其中的特殊字符进行转义$id = mysql_real_escap_string($_GET[‘id‘]);//使用urldecode()函数进行解码$id = urldecode($id);$sql = "SELECT * FROM usres WHERE id = ‘$id‘ LIMIT 0,1;$result = mysql_query($sql);$row = mysql_fetch_array($result);The code above is a typical scenario for two injections, and if we commit:http://127.0.0.1/sql.php?id=1%2527You can bypass the escape of the pair for ‘ a SQL injection attack.When testing, you can

./src/this writes the SRC folder in the current directory; .. /src/this to indicate that the current directory in the previous level of the directory in the SRC folder;/src/this to indicate that the project root directory (can only disk root directory, can also refer to the project root directory, depending on the actual situation)UNIX uses a diagonal bar/As a path delimiter, and Web apps are most recently used on UNIX systems, so all network addresses currently use a slash/delimiter.Windows is

PHP array Conversion String function, I use thinkphp, Json_encode save Chinese, backslash disappeared This is the original. [{"title": "\u5173\u6ce8\u65f6\u56de\u590d", "url": "\/index.php?g=user****"}] Turns out this is it. [{"title": "u5173u6ce8u65f6u56deu590d", "url": "\/index.php?g=user****"}] Is Chinese, with json_decode processing, save to the database there is no backslash, PHP version 5.2, Apache

Linux regular expression-backslash The metacharacter backslash (\) converts a metacharacter to a common character (and converts a common character to a metacharacter ). It forcibly interprets any metacharacters as common text to match the character itself. For example, a period (.) is a metacharacter. to match a period, you must use a backslash to escape it. The

PHP Backslash handler function Addslashes (): Adds a backslash to some predefined characters in the input string so that the processing is required for database query statements, and so on. These predefined characters are: Single quotes ('), double quotes ("), backslash (\), NULL. Stripslashes (): Deletes the backslash