Say you have an array for which the ith element is the price of a given stock on day i.If you were only permitted to complete at most one transaction ...
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其他好文 时间:
2014-08-14 20:30:19
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197
import java.util.Observable; import java.util.Observer; class House extends Observable { private float price; public float getPrice() { return price; ...
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编程语言 时间:
2014-08-14 16:38:08
阅读次数:
220
struct类型是一种值类型,通常用来封装小型相关变量组,例如,矩形的坐标或库存商品的特征。下面的示例显示了一个简单的结构声明。1 public struct Book2 {3 public decimal price;4 public string title;5 publ...
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其他好文 时间:
2014-08-11 21:11:02
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183
select中使用case whenlinq代码:Products.Select(P => new{ID = P.ProductID,Name = P.Name,Color = P.Color,Price = (P.Color == "Red" ? P.StandardCost : (P.Color...
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其他好文 时间:
2014-08-11 11:39:02
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726
daily price中应该有联合主键,这样插入就不会重复了,不过不要紧。组合主键alter table tb_ul_daily add PRIMARY KEY(ul_id,trading_date)删除重复记录delete from tb_ul_daily where id in (select....
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其他好文 时间:
2014-08-11 02:44:41
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179
One day Dima and Alex had an argument about the price and quality of laptops. Dima thinks that the more expensive a laptop is, the better it is. Alex disagrees. Alex thinks that there are two laptops,...
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其他好文 时间:
2014-08-09 11:47:17
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276
Best Time to Buy and Sell StockSay you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to compl...
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其他好文 时间:
2014-08-07 00:20:37
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185
Best Time to Buy and Sell Stock IISay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the ...
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其他好文 时间:
2014-08-07 00:20:17
阅读次数:
257
向表里添加数据:INSERT INTO BOOK(bookid,name,price) VALUES('100123','oracle sql',54.70);INSERT INTOBOOK VALUES('100123','oracle sql',54.70);INSERT INTOBOOK(.....
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数据库 时间:
2014-08-03 22:52:26
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261
见摘要、见代码注释,其他话不多说: DTD文档: <?xml?version="1.0"?encoding="UTF-8"?>
<!ELEMENT?SwordLibrary?(Sword*)>
<!ELEMENT?Sword?(SwordName,Price,Attack)>
<!ELEMENT?SwordName?(#PCDATA)...
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编程语言 时间:
2014-08-01 00:18:51
阅读次数:
359