---恢复内容开始---DescriptionGiven a 3-dimension ellipsoid(椭球面)your task is to find the minimal distance between the original point (0,0,0) and points on th...
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其他好文 时间:
2014-11-01 16:03:11
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259
Network SaboteurDescriptionA university network is composed of N computers. System administrators gathered information on the traffic between nodes, a...
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编程语言 时间:
2014-10-30 16:43:29
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281
1、Sysfs文件系统
"sysfsis a ram-based filesystem initially based on ramfs. It provides ameans to export kernel data structures, their attributes, and thelinkages between them to userspace.”
Linux2.6内...
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系统相关 时间:
2014-10-30 11:50:14
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351
PB+MS SQL+触发器必须注意:
若触发器存在两笔以上的返回值,比如两条update 语句,被误判为数据有改变,存盘不成功。
提示:
Row changed between retrieve and update.
No changes made to database.
所以MS SQL 触发器必须统一处理为:
触发器开始加:
if@@ROWCOUNT=0 Return --提高效能
setnocount on --不返回统计笔数,可减少网络频繁响应,提高效性能;避免误判为数...
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数据库 时间:
2014-10-29 19:27:33
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210
??
You can use the
as operator to perform certain types of conversions between compatible reference types or
nullable types.
The as operator is like a cast operation. However, if the conversion i...
Go does not have classes. However, you can define methods on struct types.Themethod receiverappears in its own argument list between thefunckeyword an...
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其他好文 时间:
2014-10-28 19:32:58
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121
原文转自http://stackoverflow.com/questions/21085261/apprtcdemo-with-local-server-works-between-browsers-but-not-android-native-to-brI am developing a chat...
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移动开发 时间:
2014-10-28 17:05:45
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344
在g++下编译出现ISOC++forbidscomparisonbetweenpointerandinteger错误经过检查发现错误如下:while(cin.get()!="\n")continue;将其修改为:while(cin.get()!=‘\n‘)continue;在ISOC++中,"\n"常量字符串比较时是使用字符串的地址,所以为char*;‘\n’字符,是转换为int常量的..
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编程语言 时间:
2014-10-28 15:47:23
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413
TasksA task is a logical representation of an execution environment. Tasks are usedin order to divide system resources between each running program. E...
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系统相关 时间:
2014-10-28 13:35:52
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211
1.Bundle savedInstanceState it is not persist. it does not share between activities, it is nolyfor one activity. it is saved for soft kill like: 1.o.....
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移动开发 时间:
2014-10-28 07:02:20
阅读次数:
211