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Greg Miller http://www.principiaprogramatica.com

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Get MD5 hash in a few lines of Java

// MD5 in Java, short and sweet version.

    1 import java.security.*;
    2 import java.math.*;
    3 
    4 public class MD5 {
    5    public static void main(String args[]) throws Exception{
    6       String s="This is a test";
    7       MessageDigest m=MessageDigest.getInstance("MD5");
    8       m.update(s.getBytes(),0,s.length());
    9       System.out.println("MD5: "+new BigInteger(1,m.digest()).toString(16));
   10    }
   11 }
to java md5 by gmiller on Mar 18, 2007

Get the Unix Epoch time in one line of C#

int epoch = (int)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
to date csharp by gmiller on Jan 03, 2007

Query and join tables across server instances.

Use the following to query or join tables on remote servers. The query must be executed on a system running SQL Server, but the remote system can be pretty much anything an ODBC driver exists for:
select * from OpenDataSource(’SQLOLEDB‘,’Data Source=server.asdf.com;User ID=yourusername;Password=yourpassword‘).somedatabase.dbo.sometable;
to sql SQL Server by gmiller on Dec 31, 2006

MD5 hash in one line of .Net code

// Get an MD5 hash of a string in only one line of code.
// This requires no "using" clauses other than System, and
// produces a string encoded in base64 of the hash.

string hash = Convert.ToBase64String(new System.Security.Cryptography.MD5CryptoServiceProvider().ComputeHash(System.Text.Encoding.Default.GetBytes(SomeString)));
by gmiller on Oct 02, 2006
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