developer-sdk

package sdk.whitebeard;

import java.io.IOException;
import java.util.ArrayList;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

developer-sdk

#!/usr/bin/python
# -*- coding:utf-8 -*-
# mylist 는 iterable 하다.
print 'mylist 는 iterable 하다.'
mylist =[1, 2, 4]
for i in mylist:
    print i 
    
# Generator
print 'Generator 샘플'

developer-sdk

import java.util.List;

import org.apache.hadoop.hive.ql.exec.Description;
import org.apache.hadoop.hive.ql.exec.UDFArgumentException;
import org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF;
import org.apache.hadoop.hive.serde2.lazy.LazyString;
import org.apache.hadoop.hive.serde2.objectinspector.ListObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;

developer-sdk

import org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.parse.SemanticException;
import org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector.PrimitiveCategory;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.IntObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;

developer-sdk

-- STR_TO_MAP 사용법 
SELECT STR_TO_MAP("key1: value1, key2: value2, key3: value3", list_delimiter, key_value_delimiter);

-- example #1
hive> SELECT STR_TO_MAP("key1: value1, key2: value2, key3: value3", ",", ":");
OK
{"key1":" value1"," key3":" value3"," key2":" value2"}
Time taken: 0.049 seconds, Fetched: 1 row(s)

-- json string to map

developer-sdk

#!/bin/python
# -*- coding:utf-8 -*-
'''
    방법6이 가장 효율적인 방법이나,
    메모리 사용량은 방법4가 가장 효율적이고, 
    문자열에 조작을 해야 하는 경우라면 방법4가 가장 효율적이다. 
'''

# 방법1: + 를 이용한 연결
def method1():

developer-sdk

package sdk.algo.dynamic;

import java.util.Scanner;

/**
 * 정올, 다이나믹 프로그래맹, 1848
 * 
 * @author whitebeard-k
 *
 */

developer-sdk

package sdk.algo.shortdist;

import java.util.LinkedList;
import java.util.Queue;
import java.util.Scanner;

/**
 * 정올, 알고리즘, 최단거리, 1108
 * 페이지 전환 
 * 

developer-sdk

-- 테이블 생성
CREATE TABLE complex_type_table
(
  user_id BIGINT,
  new_item ARRAY<STRUCT<product_id:BIGINT, product_name:STRING, timestamps:STRING>>
)
ROW FORMAT DELIMITED 
  FIELDS TERMINATED BY '\t'          
  COLLECTION ITEMS TERMINATED BY ',' 
  MAP KEYS TERMINATED BY '='         

developer-sdk

package sdk.algo.dynamic;

import java.util.Scanner;

/**
 * 정올, 1407, 다이나믹
 * 숫자카드
 * 
 * @author whitebeard-k
 *