Blowing up HTML5 video and mapping it into 3D space(将HTML5视频吹散并组成3D效果)最近我研究了HTML 5中的Canvas 和Video 标签,并发现了一些很酷的特性。其中之一就是Canvas.drawImage() api。此为详细介绍。C...
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Web程序 时间:
2014-07-03 00:41:16
阅读次数:
1001
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...
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其他好文 时间:
2014-07-02 22:34:44
阅读次数:
318
一、测试是否能管理client使用模块cmd.run可以查看到client的ip地址[root@salt_server~]#salt‘*‘cmd.run‘ipa‘
salt_client1:
1:lo:<LOOPBACK,UP,LOWER_UP>mtu16436qdiscnoqueuestateUNKNOWN
link/loopback00:00:00:00:00:00brd00:00:00:00:00:00
inet127.0.0.1/8scopehos..
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其他好文 时间:
2014-07-02 06:41:22
阅读次数:
343
http://stackoverflow.com/questions/7991086/iphone-core-animation-drawing-a-circle// Set up the shape of the circleint radius = 100;CAShapeLayer *circl...
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移动开发 时间:
2014-07-01 22:36:06
阅读次数:
679
解释服务器发生了什么——top工具在检查服务器的详细工作性能状态前,系统管理员需要对当前服务器状态有总体的了解. top是检查服务器总体状态的强有力工具, 通过top可以获取CPU, Memory, Process运行信息, 如下是运行top命令后的数据显示:top - 20:08:09 up 10...
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系统相关 时间:
2014-07-01 20:47:11
阅读次数:
272
1 /* create an arrow that points up */ 2 div.arrow-up { 3 width:0px; 4 height:0px; 5 border-left:5px solid transparent; /* left arrow slant */...
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Web程序 时间:
2014-07-01 16:53:30
阅读次数:
183
题目:Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For ...
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其他好文 时间:
2014-07-01 12:26:07
阅读次数:
215
题目
Given a linked list, determine if it has a cycle in it.
Follow up:
Can you solve it without using extra space?
方法
/**
* Definition for singly-linked list.
* class ListNode {
...
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其他好文 时间:
2014-07-01 11:31:40
阅读次数:
178
题目
Given a linked list, return the node where the cycle begins. If there is no cycle, return null.
Follow up:
Can you solve it without using extra space?
方法
public ListNode de...
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其他好文 时间:
2014-07-01 11:30:58
阅读次数:
200
Consecutive Blocks
Time Limit: 2 Seconds
Memory Limit: 65536 KB
There are N (1 ≤ N ≤ 105) colored blocks (numbered 1 to
N from left to right) which are lined up in a row. And the i-th b...
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其他好文 时间:
2014-07-01 06:51:52
阅读次数:
218