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Decode Ways leetcode java
题目:A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message....
分类:编程语言   时间:2014-08-07 05:11:09    阅读次数:247
CodeForces - 38E Let's Go Rolling!
Description On a number axis directed from the left rightwards, n marbles with coordinates x1,?x2,?...,?xn are situated. Let's assume that the sizes of the marbles are infinitely small, that is ...
分类:其他好文   时间:2014-08-06 19:11:42    阅读次数:310
Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
分类:其他好文   时间:2014-08-06 14:30:21    阅读次数:213
How to get the MouseEvent coordinates for an element that has CSS3 Transform?
I want to detect where a MouseEvent has occurred, in coordinates relative to the clicked element. Why? Because I want to add an absolutely positioned child element at the clicked location. I kn...
分类:Web程序   时间:2014-08-05 11:09:29    阅读次数:293
ShadowMap & ShadowVolume
【ShadowMap】 一个物体之所以会处在阴影当中,是由于在它和光源之间存在着遮蔽物,或者说遮蔽物离光源的距离比物体要近,这就是 shadow mapping 算法的基本原理。 Pass1: 以光源为视点,或者说在光源坐标系下面对整个场景进行渲染,目的是要得到一副所有物体相对于光源的 dept.....
分类:其他好文   时间:2014-08-04 21:22:57    阅读次数:251
Nhibernate系列学习之(一) ORM and Nhibernate入门实例解析
最近框架项目需要,数据层想使用Nhibernate,代替传统的sql语句的写法,更加使用面向对象的思维来维护实体与数据库的这层关系映射(ORM),好在之前接触过Java时学习使用了Hibernate,先来了解ORM。   什么是ORM? 对象-关系映射(Object/Relation Mapping,简称ORM),是随着面向对象的软件开发方法发展而产生的。面向对象的开发方法是当今企业级应用开发环境中的主流开发方法,关系数据库是企业级应用环境中永久存放数据的主流数据存储系统。对象和关系数...
分类:系统相关   时间:2014-08-03 18:11:45    阅读次数:501
hibernate 详解
?? Hibernate 1 Hibernate的配置文件 1.1 cfg 该文件的后缀为*.cfg.xml    hibernate配置文件,该文件中主要存放了    数据的url地址 数据库用户信息 缓存 mapping文件的配置路径    session-factory >     property n...
分类:系统相关   时间:2014-08-03 18:01:46    阅读次数:508
[leetcode]Decode Ways
Decode WaysA message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded me...
分类:其他好文   时间:2014-08-03 15:12:15    阅读次数:238
Shader
Shaders are simple programs that describe the traits of either a vertex or a pixel. Vertex shaders describe the traits (position, texture coordinates, colors, etc.) of a vertex, while pixel shade...
分类:其他好文   时间:2014-08-02 15:30:43    阅读次数:377
Decode Ways
Description:A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded m...
分类:其他好文   时间:2014-08-01 04:39:01    阅读次数:167
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