alphanumeric type

"The minimum password length is 7, which must contain the following non-alphanumeric characters: 1" means that there must be at least one non-alphanumeric character, Please use ~! @ # $ % ^ & * () _ +, Just give it a try! Solution 2: The minimum

When designing a database, I sometimes prefer to use the self-increment ID instead of the UUID, but exposing the ID directly when facing the end user is not a good behavior.After querying, you can useHashidsThis jar package converts the ID into a

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

Enter a line of characters to count the number of letters, spaces, numbers, and other characters that contain English. Count the number of English alphabetic characters ' ' # -*- coding: utf-8 -*-import re# regular expression matching def ismathc

In my 2005 website configuration, "The minimum password length is 7, which must contain the following non-alphanumeric characters 1? Here is a solution: Method 1: Enter a 7-digit password ~! @ # $ ^ & * () _ + Method 2: Go to C: windowsmicrosoft.

list varlist = [{bomcode=10a, mantotal=4}, {bomcode=10b, mantotal=1}, {bomcode=11a, mantotal =1}, {bomcode=11b, mantotal=1}, {bomcode=12a, mantotal=1}, {bomcode=1a, mantotal=9}, {bomcode=2a, mantotal=168}, { BOMCODE=2B, mantotal=57}, {bomcode=3a,

Basic syntax Regarding the Scala program, this is very important to note the following points. · Case-sensitive-Scala is case-sensitive, which means that identifying hello and hello can have different meanings in Scala. · Class name-capitalize the

Application PayPal Registration URL: https://www.paypal.com/ PayPal interface is somewhat different from other interfaces, slightly more complex. In fact, the bank interface is also a site plug-in. The so-called PayPal IPN (Instant Payment