拼接的字符串长度满足varchar2(4000)时, 可以用 LISTAGG(NAME, '_') WITHIN GROUP(ORDER BY LEVEL_T DESC) 当拼接大段文本时,采用 10g增加的函数 COLLECT函数 http://www.oracle-developer.net/d ...
分类:
其他好文 时间:
2016-08-12 16:39:06
阅读次数:
164
当启动tomcat时候出现 Server Tomcat v6.0 Server at localhost was unable to start within 45 seconds. If the server requires more time, try increasing the timeo ...
分类:
其他好文 时间:
2016-08-09 09:27:58
阅读次数:
139
题意: Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 分析: 开始准备采用将罗马数字的字符串先划分千位,百位等,但是实际操作起来代 ...
分类:
其他好文 时间:
2016-08-08 22:48:41
阅读次数:
173
A bit Greedy can achieve O(m) - the mid station between 2 adjacent cities has the longest distance within that range. ...
分类:
其他好文 时间:
2016-08-07 15:14:47
阅读次数:
208
The HTTP Core module introduces a large set of variables that you can use within the value of directives. Be careful though, as only a handful of dire ...
分类:
Web程序 时间:
2016-08-06 21:57:23
阅读次数:
246
Activates replacement of ${...} placeholders by registering a PropertySourcesPlaceholderConfigurer within the application context. Properties will be ...
分类:
其他好文 时间:
2016-08-06 08:38:03
阅读次数:
189
解释如下: Percentage of the requests served within a certain time (ms) 表示小于某一时间的请求数在全过程中的占比 Connection Times (ms) - 来自 http://my.oschina.net/lubia/blog/17 ...
分类:
其他好文 时间:
2016-08-05 11:28:18
阅读次数:
419
Given an integer, convert it to a roman numeral. The number is guaranteed to be within the range from 1 to 3999. Given an integer, convert it to a rom ...
分类:
其他好文 时间:
2016-08-01 10:28:50
阅读次数:
182
Given a roman numeral, convert it to an integer. The answer is guaranteed to be within the range from 1 to 3999. Have you met this question in a real ...
分类:
其他好文 时间:
2016-08-01 00:23:46
阅读次数:
161
题意不难理解,但是一开始还是没有看清楚题目。Replace the first occurrence of the find string within the text by the replace-by string, then try to perform the same replaceme ...
分类:
其他好文 时间:
2016-07-30 11:51:36
阅读次数:
229