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JS to determine the input string length instance code (Chinese character count two characters, alphanumeric count one) Text input, this method validation is thought of because the database table field length limit causes the commit to fail. The

In the actual project development often encounter verification code problems, such as landing page, Message page, registration page ... The principle of verification code is very simple: the use of the GD library to create a picture, the image of

English with numbers Header ("Content-type:image/png"); Define header, declare picture file, preferably PNG, no copyright disturbance; Generate a new four-bit integer verification code Session_Start ();//open session; $authnum _session = "; $str = '

Copy CodeThe code is as follows: /** Captcha Class base on PHP GD Lib* @author Design* @version 1.0* @demo* Include (' captchaclass.php ');* $captchaDemo =new Captcha ();* $captchaDemo->createimage ();*/Class captcha{@ Define CAPTCHA Picture

Usually when writing a paper, the English and Chinese format will be separated, but a change will be more time-consuming, can be achieved through the replacement function. Here, take word2003 as an example.1. Select edit → replace interface. Enter "[

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Racle text translation is one of the key technologies of intelligent information Management, Oracle text as a component of Oracle9i provides a powerful Full-text search function, use oracle9i to do background database, can make full use of its

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