import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;import java.sql.ResultSet;import java.sql.Statement;public class...
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数据库 时间:
2014-11-05 19:33:48
阅读次数:
157
1.Sequential statement groups the begin-end keywords: .group several statements togethor .cause the statements to be evaluated sequentially(one at a t...
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其他好文 时间:
2014-11-03 20:52:59
阅读次数:
185
水题,就是一个暴力。大力出奇迹。
Problem Statement
There is a narrow passage. Inside the passage there are some wolves. You are given a vector
size that contains the sizes of those wolves, fro...
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其他好文 时间:
2014-11-03 17:51:41
阅读次数:
212
1, 拼接sql时, exec sp_executesql @sql报错“Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” 这是因为@sql类型应该为nvarchar()================...
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其他好文 时间:
2014-10-31 01:04:52
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341
EXERCISE 36Designing and DebuggingRules for If- Statements1. Every if- statement must have an else.2. If this else should never be run because it does...
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编程语言 时间:
2014-10-30 16:47:05
阅读次数:
166
Applies To:Microsoft Dynamics AX 2012 R3, Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 Feature Pack, Microsoft Dynamics AX 2012SelectStat...
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其他好文 时间:
2014-10-30 15:09:11
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910
-- 声明游标;CURSOR cursor_name IS select_statement--For 循环游标--(1)定义游标--(2)定义游标变量--(3)使用for循环来使用这个游标declare --类型定义 cursor c_job is ...
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数据库 时间:
2014-10-30 09:23:12
阅读次数:
328
C LooooopsDescriptionA Compiler Mystery: We are given a C-language style for loop of type for (variable = A; variable != B; variable += C) statement;....
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其他好文 时间:
2014-10-29 23:34:58
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281
自己写的小例子,就是把本地的txt文件转换为JSON格式输出。
data source
简单的1-10存一个文件, A-J 存一个文件
import json
book = 'C:\Python27\\book.txt'
date = 'C:\Python27\date.txt'
book_list = []
date_list = []
with open(book) ...
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编程语言 时间:
2014-10-29 09:15:08
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245
问题描述:
Validate if a given string is numeric.
Some examples:
"0" => true
" 0.1 " => true
"abc" => false
"1 a" => false
"2e10" => true
Note: It is intended for the problem statement to be am...
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其他好文 时间:
2014-10-28 21:52:13
阅读次数:
192