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[leetcode] Sudoku Solver
Write a program to solve a Sudoku puzzle by filling the empty cells.
分类:其他好文   时间:2014-06-27 12:50:48    阅读次数:228
LeetCode Length of Last Word
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word does not exist, return 0. Note: A word is d...
分类:其他好文   时间:2014-06-27 10:18:32    阅读次数:151
Valid Sudoku
题目 Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be partially filled, where empty cells are filled with the character '.'. A par...
分类:其他好文   时间:2014-06-27 09:38:48    阅读次数:189
Sudoku Solver
题目 Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character '.'. You may assume that there will be only one unique solution. ...
分类:其他好文   时间:2014-06-27 07:06:50    阅读次数:184
[LeetCode] Sudoku Solver
Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that there will be on...
分类:其他好文   时间:2014-06-26 18:49:23    阅读次数:216
内容选择器
内容选择器[selector_4.html] $("div:contains('John') $("p:empty") $("div:has('p') $("p:parent") 1 2 3 4 5 11 12 13 John Resi...
分类:其他好文   时间:2014-06-26 16:27:57    阅读次数:227
LeetCode:Length of Last Word
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word does not exist, return 0. Note...
分类:其他好文   时间:2014-06-26 13:55:01    阅读次数:179
Mantis 1.1.0 报告问题中设置必填项或取消必填项[Z]
打开/mantis/core/bug_api.php,其中有类似下面的语句if ( is_blank( $c_summary ) ) { error_parameters( lang_get( 'summary' ) ); trigger_error( ERROR_EMPTY_FIELD, ERRO...
分类:其他好文   时间:2014-06-26 12:39:03    阅读次数:215
empty(trim($str))报错原因
最近写程序的时候发现一个这样的问题,一个if判断如下:[php]if (!empty(trim($ch_url))) { ...}[/php]执行程序报出如下错误:[code]Fatal error: Can't use function return value in write context ...
分类:其他好文   时间:2014-06-26 11:15:31    阅读次数:195
调用empty()而不是检查size()是否为0
对任一容器C,代码if (c.size() == 0)本质上与if (c.empty())是等价的。既然如此,为什么要偏向于某一种形式呢,尤其是考虑到empty()通常被实现为内联函数,并且它所做的仅仅是返回size()是否为0。 理由很简单:empty()对所有的标准容器都是常数时间操作,而对一些list实现,size()耗费线性时间。 原因:在所有的标准容器中,只有l...
分类:其他好文   时间:2014-06-26 08:10:47    阅读次数:266
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