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オタオタしている場合ではない

やるべきことをやらねば

Database partitioning memo

Database Partitioning
 1. Range partitioning
      example C0 {0001 ... 9999}
 2. List  partitioning
 3. Hash partitioning (membership)
 4. Composite partitioning
    combinations of {1..3}


 5. Horizontal partitioning
    split by rows
 6. Vertical partitioning
    split by columns             



Bibliography
https://en.wikipedia.org/wiki/Partition_%28database%29 
http://dev.mysql.com/doc/refman/5.5/en/partitioning.html

Java ８で関数を引数にスル

import java.util.function.Function;

public class Main {

    public static void main(String args[]){
        toUpperCase( x -> x.toUpperCase(), "abc");
    }
 
    private static void toUpperCase(Function<String, String> func, String arg){
        System.out.println(func.apply(arg));
    }

}

新作ラップです

菅野契 aka Keita Roimo | 墓堀人のさえずり Tweeting Gravedigger

菅野契 aka Keita Roimo | ボウグトシアイ Bougu Toh Shiai

らくがきしてみた