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【leetcode】Binary Tree Zigzag Level Order Traversal
Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and al...
分类:其他好文   时间:2014-07-22 22:53:33    阅读次数:229
Tuple assignment
It is often useful to swap the values of two variables. With conventional assignments, you have to use a temporary variable. This solution is cumberso...
分类:其他好文   时间:2014-07-19 18:32:06    阅读次数:243
Tuples as return values
Strictly speaking, a function can only return one value, but if the value is a tuple, the effect is the same as returning multiple values. For example...
分类:其他好文   时间:2014-07-19 18:31:23    阅读次数:208
poj 1094 / zoj 1060 Sorting It All Out
Sorting It All OutTime Limit:1000MSMemory Limit:10000KTotal Submissions:26876Accepted:9271DescriptionAn ascending sorted sequence of distinct values i...
分类:其他好文   时间:2014-07-19 15:03:58    阅读次数:278
MySQL 记录不存在时插入 记录存在则更新的实现方法
INSERT INTO table (a,b,c) VALUES (1,2,3) ON DUPLICATE KEY UPDATE c=c+1;INSERT 中 ON DUPLICATE KEY UPDATE的使用如果指定了ON DUPLICATE KEY UPDATE,并且插入行后会导致在一个UN....
分类:数据库   时间:2014-07-19 14:13:42    阅读次数:261
enable assembly bind failure logging (Fusion) in .NET
今天遇到新建wcf项目编译成64位版本在64位windows上无法运气的,问题先百度了一下如何查看程序集加载日志:Add the following values toHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\FusionAdd:DWORD ForceLog set...
分类:Web程序   时间:2014-07-19 09:36:27    阅读次数:301
oracle 存储过程中使用date 时、分、秒丢失
今天有一开发兄弟找我,说出现一奇怪现象,在存储过程中赋date类型的值,时、分、秒都丢失了,下面来做个试验: SQL> drop table test purge; SQL> create table test     (      fill_date  date     ); SQL> insert into test values(sysdate); SQL> commit; ...
分类:数据库   时间:2014-07-19 08:23:15    阅读次数:269
【leetcode刷题笔记】Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
分类:其他好文   时间:2014-07-18 18:28:44    阅读次数:231
UVA - 12232 Exclusive-OR (并查集扩展偏离向量)
Description You are not given n non-negative integers X0, X1,..., Xn-1 less than 220, but they do exist, and their values never change. I'll gradually provide you some facts about them, and as...
分类:其他好文   时间:2014-07-18 13:35:47    阅读次数:458
POJ 1094: Sorting It All Out( 拓扑排序 )
Sorting It All Out Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 26866 Accepted: 9267 Description An ascending sorted sequence of distinct values...
分类:其他好文   时间:2014-07-18 11:33:31    阅读次数:294
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