K mean clustering was invented in 1956, the algorithm is most commonly used is called the Lloyd algorithm (Lloyd algorithm) iterative improvement exploration method.Lloyd algorithm first converts the input into k initialization packet, can be random or using some heuristic data.
Then calculate each center point Boutique en ligne France, according to the center point of the location of the object to the nearest center, to identify subgroups.Continue continue to repeat computation center and re-grouped, until convergence, namely the object no longer change packet (center position will not change).
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Friday 4 May 2012
Grossiste chinois importhttp
Recently a friend to the company to build a mail service system Grossiste chinois import, so in this respect made a few investigation and selection of work, in contrast to many mail server solutions, finally decided to adopt iRedmail (http: / / www.
iredmail.org /) which are provided by Postfix + Dovecot + Postfixadmin + Roundcubemail mail system solutions, there are two reasons: first, this solution can be said to be the most mature Linux system solutions, properties have nothing to say, and completely free; secondly, the iRedmail provides the installation script can help us to quickly in Linux system.
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iredmail.org /) which are provided by Postfix + Dovecot + Postfixadmin + Roundcubemail mail system solutions, there are two reasons: first, this solution can be said to be the most mature Linux system solutions, properties have nothing to say, and completely free; secondly, the iRedmail provides the installation script can help us to quickly in Linux system.
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frmarch & 160 & # #
Tomcat& # 160; configuration of WEB virtual mapping and virtual host & # 160; configure the WEB virtual directory mappings have three kinds of methods are as follows: 160 & #; the first (to restart server): & 160 & # #; 160; 160 & 160 & #; #; & # 160; & # & 160; # 160; open path Tomcat 6 conf server.
xml file # frmarch, & 160; 160 & 160 & #; # & #; 160; 160 & 160 & #; #; & # in 160; the contents of the file to the top line of the addition of a statement: #, & 160; attention to modify the end restart the server and then in the browser to visit http: / / localhost: 8000 / test.
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xml file # frmarch, & 160; 160 & 160 & #; # & #; 160; 160 & 160 & #; #; & # in 160; the contents of the file to the top line of the addition of a statement: #, & 160; attention to modify the end restart the server and then in the browser to visit http: / / localhost: 8000 / test.
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