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中华好儿孙:
QuarterLifeForJava 写道恩,double要这 ...
用Java原生类BigDecimal计算的问题 -
QuarterLifeForJava:
恩,double要这么写:
BigDecimal n1 = n ...
用Java原生类BigDecimal计算的问题 -
中华好儿孙:
kyzaqlx 写道设:公鸡有x只,母鸡有y只,小鸡有z只则: ...
对百钱买百鸡问题传统解法的一点改进 -
kyzaqlx:
设:公鸡有x只,母鸡有y只,小鸡有z只则:x + y + z ...
对百钱买百鸡问题传统解法的一点改进
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<select id="selectTest" parameterType="cn.com.n22.global.common.query.Query" resultType="java.util.LinkedHashMap">
<bind name="halo" value="searchMap['wordItem'][0]"/>
select #{halo} name1
</select>
package cn.com.n22.gl ...
SELECT request_session_id spid,OBJECT_NAME
(resource_associated_entity_id)tableName
FROM sys.dm_tran_locks
WHERE resource_type='OBJECT ' ;
KILL 某个spid;
参考:http://blog.csdn.net/lxl743p/article/details/41480981
SimpleDateFormat sdf=new SimpleDateFormat("hh:mm");
Date time = sdf.parse(activityVO.getActivity().getActiveStartTime());
Date time2 = sdf.parse(activityVO.getActivity().getActiveEndTime());
sdf = null;
Calendar instance = Calendar.getInstance();
instance.s ...
SELECT CONVERT(DECIMAL(5,1), DATEDIFF(SECOND, '09:00', '09:20')/3600.0)
CREATE TRIGGER [dbo].[actStatisticsTrigger_actObj_insert]
ON [dbo].[gl_activity_customer]
AFTER INSERT
AS
DECLARE @assignId NVARCHAR(32) --活动执行人
DECLARE @actObjCount NUMERIC(5) --统计变量
DECLARE @actDate NVARCHAR(8) --活动当天日期
DECLARE @dayInWeek NVARCHAR(1) --活动当天是周几
DECLARE @myFlag NVA ...
CREATE TRIGGER [dbo].[actStatisticsTrigger_insert]
ON [dbo].[gl_activity]
AFTER INSERT
AS
DECLARE @counntOfInsert INT
--考虑到一条insert语句插入多条记录的情况
SELECT @counntOfInsert = COUNT(*) FROM inserted
WHILE(@counntOfInsert > 0)
BEGIN
DECLARE @firstRankType NVARCHAR ...
--获取指定月的工作日天数(不考虑国家法定节假日,只排除周六周日, 已在休假行事历中设置休息天的也能获得工作天数)
CREATE FUNCTION [dbo].[getCountOfWorkdaysOfMonth](@year_in NVARCHAR(4), @month_in NVARCHAR(2), @restDayStr NVARCHAR(100)) --year_in 为四位年,month_in为两位月,@restDayStr为休息天字符串(用逗号分隔)
returns INT --使用函数的前要先写 set datefirst 1 这一句,让一周的第一天为1,即周一
AS
...
<bean id="folderCleanerBean" class="cn.com.n22.global.quartzJob.FolderCleaner"></bean>
<bean id="systemFolderCleanerJobDetail" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">
<property name="tar ...
http://wenku.baidu.com/link?url=jq3vsIWo1nA-9iOPFg0w8GvrFr0nmf-bVP_nrbgm_aWLaPikwbawnzyqg2iOnT1iDH38HUPMfLSm2xKzUXQlH-JrGw1noMkpdSLEtQhmjJC
<foreach collection="accurateSearchMap" index="key" item="item">
<if test="key == 'gcc.sex' and item != '3' and item!='' and item!=null">
and ${key} = #{item}
</if>
<if test="key == 'gcc.classes' and i ...
在sqllite这样的数据库里没有row_number或者rank这样的分析函数, 但有时候需要实现一些需求比如取各班的成绩第一名的学生,这时候如果数据库里没有分析函数,也可以使用普通sql来解决。
CREATE TABLE stugrade (
stuid VARCHAR(10),
stuname VARCHAR(100) not NULL,
score INT,
classid VARCHAR(5) ,
PRIMARY KEY(stuid)
)ENGINE=INNODB DEFAULT CHARSET=utf8
INSERT INTO stugrade(stuid,stuna ...
create view v_familyInsurancesLookup WITH SCHEMABINDING as (
select company,
policyHolderName,
policyHolderId,
insuredName,
insuredCusId,
age,
validateDate,
productName,
maxpay,
productCurrency,
amount,
modePremium,
...
package test;
import java.math.BigDecimal;
public class TestBigDecimal {
public static void main(String[] args) {
BigDecimal n1 = new BigDecimal(2.2);
BigDecimal n2 = new BigDecimal(2);
System.out.println("new BigDecimal(2.2) 除以 new BigDecimal(2) 等于 "+n1.divide(n2));
B ...
create table YEAR_SALES
(
YEAR VARCHAR2(4),
QUANTITY NUMBER
)
;
prompt Loading YEAR_SALES...
insert into YEAR_SALES (YEAR, QUANTITY)
values ('2001', 100);
insert into YEAR_SALES (YEAR, QUANTITY)
values ('2002', 200);
insert into YEAR_SALES (YEAR, QUANTITY)
values ('2003', 220) ...
数据库:
create table INSURANCE_PRODUCT
(
product_code VARCHAR2(32) not null,
product_name NVARCHAR2(20),
product_type VARCHAR2(1),
validate_date VARCHAR2(8)
)
;
alter table INSURANCE_PRODUCT
add constraint PK primary key (PRODUCT_CODE);
insert into INSURANCE_PRODUCT (product_c ...