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122.House Robber II
Note: This is an extension of House Robber. After robbing those houses on that street, the thief has found himself a new place for his thievery so that he will not get too much attention. This time...
分类:其他好文   时间:2016-05-12 16:08:21    阅读次数:140
Hive创建表时报错,Specified key was too long; max key length is 767 bytes
Hive创建表时报错,Specified key was too long; max key length is 767 bytes...
分类:其他好文   时间:2016-05-12 13:16:37    阅读次数:829
uva 230 Borrowers(摘)<vector>"结构体“ 膜拜!
Like Mr. Lamb, librarians have their problems with borrowers too. People don't put books back where they should. Instead, returned books are kept at t ...
分类:其他好文   时间:2016-05-10 23:30:24    阅读次数:334
PL/SQL Developer使用技巧、快捷键
PL/SQL Developer使用技巧、快捷键 1、设置关键字自动大写:Tools->Preferences->Editor,将Keyword case选择Uppercase。这样在窗口中输入sql语句时,关键字会自动大写,而其它都是小写。这样阅读代码比较容易,且保持良好得编码风格,同理,在Too ...
分类:数据库   时间:2016-05-09 22:05:03    阅读次数:283
objc_msgSend()报错Too many arguments to function call ,expected 0,have3
Build Setting--> Apple LLVM 6.0 - Preprocessing--> Enable Strict Checking of objc_msgSend Calls 改为 NO 我使用了 objc_msgSend()函数,居然报错。百度找到了这个方法 ...
分类:其他好文   时间:2016-05-09 20:24:26    阅读次数:124
Reported time is too far out of sync with master. Time difference of 52692ms > max allowed of 30000ms
RegionServer与Master的时间不一致造成的。由错误内容可以看出两台机器之间最大的误差时间为30000ms,一旦超过这个值便无法启动。 解决办法:同步RegionServer与Master的时间,最好周期性同步,具体方法请参考Linux时间同步设置: http://www.cnblogs ...
分类:其他好文   时间:2016-05-08 16:44:04    阅读次数:795
MATLAB的符号运算基础
作者:长沙理工大学 交通运输工程学院 王航臣 在数学运算中,运算的结果如果是一个数值,可以称这类运算为数值运算;如果运算结果为表达式,在MATLAB中称为符号运算,符号计算是对未赋值的符号对象(可以是常数、变量、表达式)进行运算和处理。MATLAB具有符号数学工具箱(SymbolicMath Too ...
分类:其他好文   时间:2016-05-08 14:54:18    阅读次数:180
What is the difference between Tar and Gzip ? Details with example
I too had this doubt! what is the difference between “tar” and “zip”. The answer is quit simple rather than the confusion. We all are very familiar ab ...
分类:其他好文   时间:2016-05-07 16:24:09    阅读次数:246
hdoj-1028-Ignatius and the Princess III
Problem Description “Well, it seems the first problem is too easy. I will let you know how foolish you are later.” feng5166 says.“The second problem is, given an positive integer N, we define an equat...
分类:其他好文   时间:2016-05-07 11:12:36    阅读次数:145
在Centos7上安装Percona 5.7
作者:【吴业亮】云计算开发工程师 博客:http://blog.csdn.net/wylfengyujiancheng 在openstack集群非常大的情况下mysql5.5的最大连接数就成了问题(1040,Too many connections),dashboard界面操作经常因为连接不 上数据库报各种错误。经过试验将最大连接数改为2000,超时时间改为300s,问题还依旧。 针对这种问...
分类:其他好文   时间:2016-05-07 08:24:39    阅读次数:463
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