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Binary Tree Level Order Traversal java实现
Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree{3,9,2...
分类:编程语言   时间:2014-07-12 13:13:24    阅读次数:195
十二、mysql sql_mode 简学
1.一般默认情况下sql_mode默认为空,也就是不严格的sql检查2.如果sql_mode为空的情况下,测试: create table tt3 (name char(2)); //定义一个name字段长度为定长2的tt3表 insert into tt3 values ('wo');...
分类:数据库   时间:2014-07-12 09:16:32    阅读次数:235
php数组函数
1、键值函数 array_values()返回数组元素值,组成一个新的索引数组2、array_keys()返回数组所有键名,组成一个索引数组3、in_array()检查数组中是否存在某个值4、array_key_exists()可以检查给定的键名或索引是否存在于数组中,isset()也可以,但对nu...
分类:Web程序   时间:2014-07-12 00:48:26    阅读次数:228
.net对Cookie的简单操作
1 声明:HttpCookie MyCookie= new HttpCookie("test");2增加:MyCookie.Values.Add("key1", "value1");//key1是键名,value1是值3过期:MyCookie.Expires = DateTime.Now.AddDa...
分类:Web程序   时间:2014-07-11 11:16:48    阅读次数:183
mybatis如何成功插入后获取自增长的id
使用mybatis向数据库中插入一条记录,如何获取成功插入记录的自增长id呢?需要向xml配置中加上一下两个配置: insert into scheduleInfo(title,content,time,state,userId) values(#{title},#{content},#{ti...
分类:其他好文   时间:2014-07-11 10:25:45    阅读次数:152
A list is a sequence
Like a string, a list is a sequence of values. In a string, the values are characters; in a list, they can be any type. The values in list are called ...
分类:其他好文   时间:2014-07-11 09:01:06    阅读次数:242
整形提升(C语言基础)续
Conversion rules are more complicated when unsigned operands are involved. The problem is that comparisons between signed and unsigned values are mach...
分类:编程语言   时间:2014-07-11 08:50:41    阅读次数:347
LeetCode——Reorder List
Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorder it t...
分类:其他好文   时间:2014-07-10 20:43:37    阅读次数:210
MYSQL SET ENUM字段类型
show create table stu;//显示建表语句create table t1(t enum('a','b','c'));insert into t1 values('a');create table t2(t set('a','b','c'));insert into t2 value...
分类:数据库   时间:2014-07-09 13:19:42    阅读次数:197
【LeetCode】Path Sum
题目 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. For example: Given the below binary tree ...
分类:其他好文   时间:2014-07-09 10:32:42    阅读次数:151
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