Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie...
分类：
其他好文 时间：
2014-12-11 23:39:11
阅读次数：
212
sql server 替换null:isnull(arg,value) 如:select isnull(price,0.0) from orders ,如果price为null的话，用0.0替换 与null比较: is not null，is null 如 select * from ord...
分类：
数据库 时间：
2014-12-11 13:51:37
阅读次数：
216
functioncheck_input_money(obj){rtn_val = $(obj).val().replace(/[^\d|\.]/g,'');varprice =/^\d+(\.\d{0,2})?/.exec(rtn_val);if(price !=null){ unit_price ...
分类：
其他好文 时间：
2014-12-11 12:01:50
阅读次数：
107
Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a...
分类：
其他好文 时间：
2014-12-11 00:16:55
阅读次数：
139
基于rails generate生成的东西里面，有一些单复数的规则刚开始很不理解，觉得很复杂，容易弄错，特此记录model实际是对于数据库数据的对象化，只体现单个对象，比如模型user有name和password属性，card有id，name等属性，book有name，price等属性control...
分类：
其他好文 时间：
2014-12-10 21:07:43
阅读次数：
222
app\code\local\Mage\SalesRule\Model\Validator.php public function process if($this->getCouponCode() == ‘codename‘ && $this->_rulesItemTotals[$rule->getId()][‘base_items_price‘] >= 150){
????if(...
分类：
其他好文 时间：
2014-12-10 18:21:00
阅读次数：
299
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 (ie, buy one and sell one share of the stock),...
分类：
其他好文 时间：
2014-12-09 17:56:20
阅读次数：
171
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy on...
分类：
其他好文 时间：
2014-12-09 17:55:38
阅读次数：
194
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 ...
分类：
其他好文 时间：
2014-12-07 10:07:06
阅读次数：
200
# 题目 > Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may complete at most two transactions. Note: You...
分类：
其他好文 时间：
2014-12-04 12:23:54
阅读次数：
161
