资料1
-- Created on 2014/8/20
declare
-- Local variables here
i integer;
begin
i := 12;
-- Test statements here
DBMS_OUTPUT.put_line(i);
end;
资料2
declare
cursor s is
...
分类:
数据库 时间:
2014-08-20 09:20:36
阅读次数:
228
(1)创建scrapy项目 scrapy?startproject?getblog ????(2)编辑 items.py #?-*-?coding:?utf-8?-*-
#?Define?here?the?models?for?your?scraped?items
#
#?See?documentation?i...
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编程语言 时间:
2014-08-20 07:06:56
阅读次数:
262
Problem Description
Number theory is interesting, while this problem is boring.
Here is the problem. Given an integer sequence a1, a2, …, an, let S(i) = {j|1j is a multiple of ai}. If S(i) is not ...
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其他好文 时间:
2014-08-20 00:07:25
阅读次数:
210
Reverse digits of an integer.Example1:x = 123, return 321Example2:x = -123, return -321click to show spoilers.Have you thought about this?Here are som...
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其他好文 时间:
2014-08-19 23:54:05
阅读次数:
245
转自:here从数据安全谈起当你使用网银时,是否担心你的银行卡会被盗用?当你和朋友用QQ进行聊天时,是否担心你的隐私会被泄露?作为开发者,编写安全的代码比编写优雅的代码更重要,因为安全是一切应用之根本!为了确保数据不被侵犯,数据加密/解密技术运用而生。——摘录自《Java加密解密的艺术》所以为了确保...
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编程语言 时间:
2014-08-19 12:29:24
阅读次数:
263
Summation of sequence of integersis always a common problem in Computer Science. Rather than computing blindly,some intelligent techniques make the task simpler. Here you have to find thesummation of ...
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其他好文 时间:
2014-08-18 22:10:23
阅读次数:
314
Insert title here 全选全部商品 鸡蛋 鸭蛋 鹅蛋
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其他好文 时间:
2014-08-18 20:18:32
阅读次数:
162
Q311 How do I disable the "Back" button of a browser?You are here:irt.org|FAQ|JavaScript|History| Q311 [previousnext]Easy answer - you can't.Longer an...
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其他好文 时间:
2014-08-18 16:07:22
阅读次数:
206
[Definitions]
Here is the recursive definition of a binary tree:
A binary tree is either the empty set or a triple T = (x,L,R), where x is a node and L and R are disjoint binary trees, neither of wh...
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其他好文 时间:
2014-08-18 01:34:43
阅读次数:
216