Write an algorithm to determine if a number is "happy".
A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares o...
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2015-04-24 09:03:57
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117
boost::any可以存放任何类型的C++类型，也可以是用户自定义的类型。非常方便，可以很方便的满足在运行过程中判断数据类型，从而进行相关的操作。函数原型：// In header: class any {public: // construct/copy/destruct any(); a...
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其他好文 时间：
2015-04-23 23:25:09
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864
Write an algorithm to determine if a number is "happy".
A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares...
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移动开发 时间：
2015-04-23 21:46:26
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222
一、问题起源 在MySQL的官方文档中有明确的说明不支持嵌套事务： [sql]?view plaincopy Transactions?cannot?be?nested.?This?is?a?consequence?of?the?implicit?commit?performed?for?any?curre...
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数据库 时间：
2015-04-23 16:00:56
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155
一、问题起源
在MySQL的官方文档中有明确的说明不支持嵌套事务：
1. Transactions cannot be nested. This is a consequence of the implicit commit performed for any current transaction when you issue a START TRANSACTION statement or...
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数据库 时间：
2015-04-23 15:49:47
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179
Don’t Rely on “Magic Happens Here”Alan GriffithsiF YOU LOOK AT ANY ACTiViTY, process, or discipline from far enough away, it looks simple. Managers with no experience of development think what pro- gra...
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2015-04-23 10:58:42
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151
ufw 应用查看ufw规则ufw status numbered
删除ufw规则ufw delete {num}
添加ufw规则ufw allow proto tcp from 203.xxx.xx.x to any port 63322
后记ufw还是挺简单好用的，不过个人还是习惯用最原始的iptables，可以看成是iptables的一种简化，后遗症是你需要记ufw的语法规则，ubuntu下面还...
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其他好文 时间：
2015-04-23 10:53:12
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123
Write an algorithm to determine if a number is "happy".
A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares...
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移动开发 时间：
2015-04-22 22:20:40
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137
Write an algorithm to determine if a number is “happy”.A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares of...
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移动开发 时间：
2015-04-22 22:15:41
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1099
'.' Matches any single character.'*' Matches zero or more of the preceding element.The matching should cover the entire input string (not partial).The...
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其他好文 时间：
2015-04-22 20:34:04
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122
