Grouping Records Together Based on a Field
Problem
You
have a sequence of dictionaries or instances and you want to iterate over the data in groups based on the value of a...
分类:
编程语言 时间:
2014-06-08 18:22:29
阅读次数:
280
下面说说split函数的用法
def break_words(stuff):
"""This function will break up words for us."""
words = stuff.split(' ')#split('.',1) use '.' split one time
return words
def sort_words(wo...
分类:
编程语言 时间:
2014-06-08 18:19:21
阅读次数:
336
描述:
用户点击左边div中的商品,对应商品会自动添加到右面的div中,类似电子商城中的添加到购物车功能。
主要用到了jquery中的复制节点功能,基本原理是首先获取点击的元素,然后将相应信息进行克隆,然后添加到右面的div中。
show you code:
jquery test
.left
{
float: left;
width: 500px;
heigh...
分类:
Web程序 时间:
2014-06-08 18:01:23
阅读次数:
253
Find the contiguous subarray within an array (containing at least one number) which has the largest sum....
分类:
其他好文 时间:
2014-06-08 15:54:08
阅读次数:
258
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a link...
分类:
其他好文 时间:
2014-06-08 15:30:28
阅读次数:
227
【题目】
Say you have an array for which the ith element is the price of a given stock on day i.
If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an algorithm to find the maximum profit.
...
分类:
其他好文 时间:
2014-06-08 15:11:58
阅读次数:
298
html5的placeholder功能在表单中经常用到,它主要用来提示用户输入信息,当用户点击该输入框之后,提示文字会自动消失。
我们用jquery实现类似的功能:
当输入框获得焦点时,清空输入框中的提示文字。
当输入框失去焦点时,若输入框中的数据为空,则再次出现提示文体。
效果图:
talk is cheap , show you code:
jquery test
...
分类:
Web程序 时间:
2014-06-08 10:29:07
阅读次数:
225
一、自定义视图类继承View或者View的子类
All of the view classes defined in the Android framework extend View.
Your custom view can also extend Viewdirectly,
or you can save time by extending one of the exist...
分类:
移动开发 时间:
2014-06-08 10:11:27
阅读次数:
342
There is no denying theWhat The KD 6is among
the most widely used athletic shoes available. Because of so many great releases
such as the Aunt Gem KD ...
分类:
其他好文 时间:
2014-06-08 01:12:23
阅读次数:
343
Single NumberGiven an array of integers, every
element appearstwiceexcept for one. Find that single one.Note:Your algorithm
should have a linear runti...
分类:
其他好文 时间:
2014-06-07 23:44:39
阅读次数:
302