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start_kernel——setup_nr_cpu_ids
kernel/smp.c/* An arch may set nr_cpu_ids earlier if needed, so this would be redundant */ void __init setup_nr_cpu_ids(void) { nr_cpu_ids = find_last_bit(cpumask_bits(cpu_possible_mask),NR_CPUS) +...
分类:其他好文   时间:2015-07-06 21:52:09    阅读次数:395
UVa 11384 Help is needed for Dexter
题意:给定n,用最少的操作数把序列1到n中的所有数都变成0,每次可以选择一个或者多个数,同时减去一个相同的正整数发现多画几次,f(n) = f(n/2) + 1,大概就是想要每次变化之后两端都尽可能对称的感觉 1 #include 2 #include 3 #include 4 #incl...
分类:其他好文   时间:2015-07-05 19:43:53    阅读次数:120
mysql-libs版本冲突卸载不了
问题:卸载mysql-libs时候出现如下依赖性无法卸载[root@mail yum.repos.d]# rpm -e mysql-libserror: Failed dependencies: libmysqlclient.so.16()(64bit) is needed by (i...
分类:数据库   时间:2015-07-03 13:50:02    阅读次数:201
Don't Store Data in the Application Object
There is always some information that is needed in many places in your app. It can be a session token, the result of an expensive computation, etc. It...
分类:移动开发   时间:2015-06-24 18:41:41    阅读次数:162
[POJ Solutions] Brackets Sequence
This problem can be solved elegantly using dynamic programming.We maintain two arrays:cnt[i][j] --- number of parentheses needed to add within s[i..j]...
分类:其他好文   时间:2015-06-22 19:12:15    阅读次数:202
Declarative Exception Handling in Struts
Declarative Exception Handling is the procedure of handling Exceptions declaratively through the help of xml files. It is not needed to include except...
分类:其他好文   时间:2015-06-20 16:52:39    阅读次数:100
转载7 Essential JavaScript Functions
Essential JavaScript FunctionsBy David Walsh onJune 2, 2015 I remember the early days of JavaScript where you needed a simple function for just about ...
分类:编程语言   时间:2015-06-18 13:21:10    阅读次数:134
Ubuntu 14.04 LTS 下使用源码编译安装 Sagemath 6.7 x64 (小结)
下载源码包系统的最低要求: 6GB 硬盘 ; 2GB RAM.命令行工具:A C/C++ compiler: Since Sage builds its own GCC if needed, a wide variety of C/C++ compilers is supported.Many GC...
分类:系统相关   时间:2015-06-12 14:44:27    阅读次数:325
天题系列: Palindrome Partitioning II
Given a strings, partitionssuch that every substring of the partition is a palindrome.Return the minimum cuts needed for a palindrome partitioning ofs...
分类:其他好文   时间:2015-06-11 14:20:49    阅读次数:93
RMAN-08137: WARNING: archived log not deleted, needed for standby or upstream capture process
RMAN-08137WhendeletingarchivelogsevenwhenStreamsCAPTUREdoesnotrequirethem[ID1079953.1]InthisDocumentSymptomsChangesCauseSolutionReferencesSymptomsAppliesTo:11gR1-11gR2RMANisunabletodeletearchivelogsfromdatabaseeventhoughtheyarenotneededbyCAPTUREprocessanymo..
分类:数据库   时间:2015-06-10 12:31:32    阅读次数:806
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