how to encode string

Given a non-empty string, encode the string such that it encoded length is the shortest.The encoding rule is: k[encoded_string] , where the encoded_string inside the square brackets is being repeated exactly k times.Note: K would be a

Trick: int r = (sub + sub). Find (Sub, 1); look for repeating pattern. Sub.size ()% r = = 0 must be established. Otherwise set R is the search result, always find a smaller R satisfies the condition.1 classSolution {2 Public:3

Encryption, is a special algorithm to change the original information data, so that unauthorized users even obtained encrypted information, but because of the method of decryption, still can not understand the content of the information. Generally

Public classQrcodeutils {/*** Fault tolerance class L*/ Public Static Final Charcorrect_l = ' L '; /*** Fault tolerance class M*/ Public Static Final Charcorrect_m = ' M '; /*** Fault tolerance level Q*/ Public Static Final Charcorrect_q

Two classes, one jar package (Core-3.0.0.jar)One:Package Com.java.qrCode;Import Java.awt.Graphics2D;Import Java.awt.geom.AffineTransform;Import Java.awt.image.BufferedImage;Import Com.google.zxing.LuminanceSource;public class

Package Test;Import Java.awt.Graphics2D;Import Java.awt.geom.AffineTransform;Import Java.awt.image.BufferedImage;Import Com.google.zxing.LuminanceSource;public class Bufferedimageluminancesource extends Luminancesource {Private final bufferedimage

1. Coding Rulesjava.netClass Urlencoder Java.lang.Object Java.net.URLEncoder Urlencoderextends ObjectUtility class for HTML form encoding. This class contains static methods for converting a String to the

Public Staticstring GetEncoding (String str) {string encode= "GB2312"; Try { if(Str.equals (NewString (str.getbytes (encode), encode))) {String s=encode; returns; } } Catch(Exception Exception) {} encode= "Iso-8859-1"; Try

Required jar package: qrcode. Jar : The following is an encapsulated helper class that provides only the following APIs: (1) encode (string Str ); (2) encode (string STR, file F ); (3) encode (string STR, outputstream out ); (4) decode (file F )

Chapter 2: Base64, URLBase64, and base64urlbase64 2.1 Basic algorithm rules: Public encryption algorithms The encrypted key is not public. The features of Base64 algorithm disclosure and Key Disclosure do not comply with basic algorithm rules,

When a form in a Web page is submitted using the Post method, the type of data content is application/x-www-form-urlencoded, which is:1. The characters "a"-"Z", "a"-"Z", "0"-"9", ".", "-", "*", and "_" are not encoded;2. Convert the space to a plus

Required JAR Package: Qrcode.jar Effect Chart: The following are the auxiliary classes I encapsulate, and the APIs provided are: (1) Encode (String str); (2) Encode (String str,file f); (3) Encode (String str,outputstream out); (4) Decode (File

Introduction: Today encountered a problem, a user logged in when the login failed. However, other user logins are normal, and the user who has been debugged to discover that the login failed has two special characters in the password: *, #.Special

Java to instantiate the action of the class, you are still the same as the new corresponding object? The number of projects handled, the code will naturally increase the amount of writing, will gradually create a sense of design patterns. How to

Before we begin to discuss coding decoding, let's be clear about the problem. What is a application/x-www-form-urlencoded string. A: It is a type of encoding. These characters are converted to application/x-www-form-urlencoded strings when the URL

1. method 1 (irreversible encryption) srxljl Public String encryptpassword (string passwordstring, string passwordformat){String encryptpassword = NULL;If (passwordformat = "sha1 "){Encryptpassword = formsauthortication.

I have found some articles on the Windsor tutorial. TerryLee has written a lot in the blog park, as well as some examples of codeproject, but they are not quite clear. Today, I saw a series written by Alex Henderson, which is very simple and clear.

I used JDgui and read the decryption methods of the predecessors. I have never succeeded.In jboss, data source passwords can be encrypted. There are many related articles. Here I will talk about how to crack them.Jboss-4.0.4.GA as an example, the

When there are more and more open platforms and openapis, client software is more or less interacting with servers through HTTP and HTTPS protocols. One of the common cases is to encode the URL to ensure the correct transmission of Chinese and

C # reversible and irreversible MD5 encryption, 1. method 1 (irreversible encryption) srxljl Public string EncryptPassword (string PasswordString, string PasswordFormat){String encryptPassword = null;If (PasswordFormat = "SHA1 "){EncryptPassword =