.h#import @interface CalculatorBrain : NSObject-(void)pushOperand:(double)operand;-(double)performOperation:(NSString *)operation;@property(readonly)i...
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其他好文 时间:
2014-10-04 11:40:46
阅读次数:
206
9月24日数据库上频繁出现如下错误
Errors in file /u04/admin/njord/udump/njord_ora_25895.trc:
ORA-27300: OS system dependent operation:invalid_process_id failed with status: 0
ORA-27301: OS failure message: Error...
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移动开发 时间:
2014-10-01 11:23:51
阅读次数:
400
Problem Description
XXX is puzzled with the question below:
1, 2, 3, ..., n (1
Operation 1: among the x-th number to the y-th number (inclusive), get the sum of the numbers which are co-prim...
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其他好文 时间:
2014-09-30 02:54:32
阅读次数:
302
今天在svn提交的时候它卡顿了一下,我以为已经提交完了,就按了一下,结果就再也恢复不了,也继续不了了...报错cleanup failed–previous operation has not finished; run cleanup if it was interrupted试过执行cleanu...
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其他好文 时间:
2014-09-29 18:59:21
阅读次数:
153
org.springframework.jdbc.UncategorizedSQLException:Hibernateoperation:couldnotexecutequery;uncategorizedSQLExceptionforSQLCausedby:java.sql.SQLException:无法转换为内部表示在开发时遇到无法转换为内部表示的问题:犯错原因主要是Hibernate的映射和pojo的数据类型和..
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数据库 时间:
2014-09-28 14:30:52
阅读次数:
189
if s[i] = t[j] then
d[i, j] := d[i-1, j-1] // no operation required
else
d[i, j] := minimum(
d[i-1, j] + 1, // a deletion
d[i, j-1] + 1,...
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其他好文 时间:
2014-09-27 23:36:40
阅读次数:
179
NOTE: These two methods: Tip: Subclass AbstractHandler rather than implementing IHandler. but you can use it to the below section you need to set: IHa...
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系统相关 时间:
2014-09-27 13:59:39
阅读次数:
262
环境:
AIX 7.1
Oracle Rac 11.2.0.3
root@kk01:/oraapp/grid/gridhome>./root.sh
Performing root user operation for Oracle 11g
The following environment variables are set as:
ORA...
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其他好文 时间:
2014-09-25 19:30:07
阅读次数:
354
2014-09-25 BaoXinjian一、摘要在官方文档《oracle performance tuning guide》中提到Connecting to the database is an expensive operation that is highly unscalable。数据库的连...
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数据库 时间:
2014-09-25 18:05:17
阅读次数:
273
In the last four blog, we talked about the high query operation of mongodb. Now in this blog let's know about the high update operation about monodb.
1. Save
as for save(), whose function is to upda...
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数据库 时间:
2014-09-25 03:05:48
阅读次数:
358