page.evaluate( function() { // find element to send click to var element = document.querySelector( 'span.control.critical.closer' ); // creat...
分类:
Web程序 时间:
2014-07-26 00:11:26
阅读次数:
310
Description
There is a sequence of integers. Your task is to find the longest subsequence that satisfies the following condition: the difference between the maximum element and the minimum element ...
分类:
其他好文 时间:
2014-07-25 11:06:41
阅读次数:
242
设置元素(element)的css属性值可以用element的style属性,例如要将element的背景色设置为黑色,可以这么做:element.style.backgroundColor = '#000';然而,很多时候我们在修改元素的样式之前要先保留元素原来的样式属性值,或许可以这么做:var...
分类:
Web程序 时间:
2014-07-24 21:41:52
阅读次数:
247
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profit. You may complete as many transactions as you like (ie, buy on...
分类:
编程语言 时间:
2014-07-24 10:25:36
阅读次数:
227
xml中加入了几条,为了方便查询时作为示例。 话不多说见代码注释: DTD文件:SwordTypeDefinition.dtd <?xml?version="1.0"?encoding="UTF-8"?>
<!ELEMENT?SwordLibrary?(Sword*)>
<!ELEMENT?Sword?(SwordN...
分类:
编程语言 时间:
2014-07-23 17:38:01
阅读次数:
256
场景处理frame需要用到2个方法,分别是switch_to_frame(name_or_id_or_frame_element)和switch_to_default_content()如何理解这个switch_to_frame(name_or_id_or_frame_element)方法呢?可以简...
分类:
其他好文 时间:
2014-07-23 15:40:59
阅读次数:
318
题目:Given a sorted linked list, delete all duplicates such that each element appear only once.For example,Given 1->1->2, return 1->2.Given 1->1->2->3-....
分类:
编程语言 时间:
2014-07-23 12:01:16
阅读次数:
239
话不多说,全在代码和注释说明里了。 DTD文件:SwordTypeDefinition.dtd <?xml?version="1.0"?encoding="UTF-8"?>
<!ELEMENT?SwordLibrary?(Sword*)>
<!ELEMENT?Sword?(SwordName,Price,Attack)>
<!ELEMENT...
分类:
编程语言 时间:
2014-07-23 00:32:07
阅读次数:
330
题目
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it wit...
分类:
其他好文 时间:
2014-07-23 00:13:17
阅读次数:
331
问题描述:
Given an array of non-negative integers, you are initially positioned at the first index of the array.
Each element in the array represents your maximum jump length at that position.
Determin...
分类:
其他好文 时间:
2014-07-23 00:04:37
阅读次数:
216