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Plus One
题目描述:Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit ...
分类:其他好文   时间:2015-06-23 11:35:40    阅读次数:105
Happy Number
题目描述: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 in...
分类:移动开发   时间:2015-06-23 09:57:52    阅读次数:197
JS属性
1.类型分析:js中的数据类型有undefined,boolean,number,string,object等5种,前4种为原始类型,第5种为引用类型。代码:vara1;vara2=true;vara3=1;vara4="Hello";vara5=newObject();vara6=null;var...
分类:Web程序   时间:2015-06-23 08:40:04    阅读次数:170
9.MyBatis 关联映射(多对多)
1.查询多对多需求:查询用户购买的商品,包括用户信息,订单信息,订单详细信息,商品信息SQL语句:SELECT user.id,user.username,user.address, orders.iduser_orders_id,orders.number,orders.note, orderdetail.idorderdetail_id,orderdetail.items_id,orderdetail.items_num..
分类:其他好文   时间:2015-06-23 06:29:56    阅读次数:120
Leetcode--easy系列1
#6 ZigZag Conversion The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)...
分类:其他好文   时间:2015-06-22 22:25:11    阅读次数:181
CSU1660: K-Cycle
Description A simple cycle is a closed simple path, with no other repeated vertices or edges other than the starting and ending vertices. The length of a cycle is the number of vertices on it. Gi...
分类:其他好文   时间:2015-06-22 22:21:45    阅读次数:178
CSU1661: Query Mutiple
Description One day,Little-Y saw many numbers standing in a row. A question suddenly appeared in her mind, ”From the L-th number to the R-th number, how many of them is a mutiple of P ? (P is a p...
分类:其他好文   时间:2015-06-22 22:20:46    阅读次数:148
软件编码最重要的技能
参考http://www.johndcook.com/blog/2015/06/18/most-important-skill-in-software/When it comes to writing code, the number one most important skill is how ...
分类:其他好文   时间:2015-06-22 22:15:01    阅读次数:152
js变量以及作用于
变量基本类型值有:undefined,NUll,Boolean,Number和String,这些类型分别在内存中占有固定的大小空间,他们的值,保存在栈空间。(1)值类型:数值、布尔值、null、undefined。(2)引用类型:对象、数组、函数。如果赋值的是引用类型的值,则必须在堆内存中为这个值分...
分类:Web程序   时间:2015-06-22 21:55:22    阅读次数:150
python-基础教程笔记
1、语句特性的一般定义:它们改变了事物。2、可以使用变量来引用函数。3、nan:not a number(非数值)4、str函数:把值转换为合理形式的字符串,repr函数会创建一个字符串,它以合法的python表达式的形式来表示值。str、repr和反引号(``)是把python值转换成字符串的三种...
分类:编程语言   时间:2015-06-22 19:20:31    阅读次数:133
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