Once again, in this series of posts I look at the parts of the .NET Framework that may seem trivial, but can help improve your code by making it easie...
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Web程序 时间:
2014-07-16 23:25:24
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601
sand making machine appeared , sand making machine appears to solve the problem of environmental protection and the needs of gravel , sand making mach...
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其他好文 时间:
2014-07-06 22:30:46
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260
sand making machine appeared , sand making machine appears to solve the problem of environmental protection and the needs of gravel , sand making mach...
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其他好文 时间:
2014-07-06 22:25:39
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185
题意:
给定一个序列,以最小代价将其变成单调不增或单调不减序列,这里的代价看题目公式。
思路:
很容易想到是DP。
1.
对前i个序列,构成的最优解其实就是与两个参数有关。一个是这个序列处理后的最大值mx,和这个序列处理的代价值cost。
显然最大值mx最小最好(这样第i+1个值可以不花代价直接接在其后面的可能性更大),cost最小也最好(题意要求),但是两者往往是鱼和熊掌。
用dp...
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其他好文 时间:
2014-07-06 09:37:41
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350
4 Work Mistakes You Don't Realize You're Making你在工作中无意间会犯的四个错误When you’re the new girl at work, you do everything in your power to stay on your best b...
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其他好文 时间:
2014-07-05 18:53:56
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204
GNU Autotools can not only handle making (compiling and linking), distributing, transplanting source code for different platforms, but can also track ...
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其他好文 时间:
2014-06-30 12:33:53
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400
编译erlang otp 17.0 一直提示:/usr/bin/ld: /usr/local/ssl/lib/libcrypto.a(cryptlib.o): relocation R_X86_64_32 against `OPENSSL_ia32cap_P' can not be used whe...
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其他好文 时间:
2014-06-28 13:16:07
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497
I can feel that I am making great progress now.. if inspected closely, it is obvious that what I'm getting through is, a newbie phase:coding details m...
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其他好文 时间:
2014-06-25 18:23:24
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206
17.4、Making User-Managed Backups of Online Tablespaces and Datafiles
当数据库打开时,可以备份一个在线表空间所有和一个指定的数据文件。备份过程的区别依赖于在线表空间是read、write或者read-only。
注意:不应该备份临时表空间
17.4.1、Making User-Managed Backups of Onlin...
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其他好文 时间:
2014-06-20 10:04:43
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289
17.3、Making User-Managed Backups of Offline Tablespaces and Datafiles
备份离线的表空间时,需要注意以下指导原则:
(1)不能离线system表空间或活动回滚段的表空间
(2)假设一个表在表空间x中,它的索引在表空间y中。y离线,x在线,当执行dml语句时会报错。
备份离线表空间:
(1)备份表空间前,查询dba_dat...
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其他好文 时间:
2014-06-07 13:33:06
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156