4. Which two statements are true regarding single row functions? (Choose two.)A. They a ccept only a single argument.B. They can be nested only to two...
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其他好文 时间:
2014-06-26 17:48:22
阅读次数:
216
8. View the Exhibit and examine the structure of the CUSTOMERS table.Which two tasks would require subqueries or joins to be executed in a single sta...
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其他好文 时间:
2014-06-26 16:48:22
阅读次数:
207
1、单一职责原则的核心思想 一个类应该有且只有一个变化的原因。 2、为什么要引入单一职责原则 单一职责原则将不同的职责分离到单独的类,每一个职责都是一个变化的中心。当需求变化时,这个变化将通过更改职责相关的类来体现。如果一个类拥有多于一个的职责,则这些职责就耦合到在了一起,那么就会有多于一...
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其他好文 时间:
2014-06-26 00:48:00
阅读次数:
241
數碼單鏡頭反光DSLR(Digital Single Lens Reflex)照相機,簡稱數碼單反相機。在這種系統中,反光鏡和棱鏡的獨到設計使得攝影者可以從取景器中直接觀察到通過鏡頭的影像。單鏡頭反光照相機的構造圖中可以看到,光線透過鏡頭到達反光鏡後,折射到上面的對焦屏並結成影像,透過接目鏡和五棱鏡...
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其他好文 时间:
2014-06-26 00:22:42
阅读次数:
221
题目
Implement wildcard pattern matching with support for '?' and '*'.
'?' Matches any single character.
'*' Matches any sequence of characters (including the empty sequence).
The matching sh...
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其他好文 时间:
2014-06-25 19:56:35
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275
Peterson's algorithm (AKA Peterson's solution) is a concurrent
programming algorithm for mutual
exclusion that allows two processes to share a single-use resource without conflict, using only shar...
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编程语言 时间:
2014-06-25 19:38:19
阅读次数:
748
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using e...
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其他好文 时间:
2014-06-24 23:30:08
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278
题目
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return...
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其他好文 时间:
2014-06-24 21:46:24
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249
题目
Implement regular expression matching with support for '.' and '*'.
'.' Matches any single character.
'*' Matches zero or more of the preceding element.
The matching should cover the ent...
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其他好文 时间:
2014-06-24 18:43:56
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224
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without u...
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其他好文 时间:
2014-06-24 15:52:58
阅读次数:
222