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Map, filter and reduce
To add up all the numbers in a list, you can use a loop like this: Total is initialized to 0. Each time through the loop, x gets one element...
分类:其他好文   时间:2014-07-16 19:29:14    阅读次数:234
Deleting elements
There are several ways to delete elements from a list. If you know the index of the element you want, you can use pop: pop modifies the list...
分类:其他好文   时间:2014-07-16 19:26:12    阅读次数:189
Jsoup-数据修改
在你解析一个Document之后可能想修改其中的某些属性值,然后再保存到磁盘或都输出到前台页面。可以使用属性设置方法Element.attr(String key, String value), 和Elements.attr(String key, String value).假如你需要修改一个元素...
分类:Web程序   时间:2014-07-16 17:47:50    阅读次数:307
hoj 2275 Number sequence
Number sequence Given a number sequence which has N element(s), please calculate the number of different collocation for three number Ai, Aj, Ak, which satisfy that Ai Ak and i Input The fi...
分类:其他好文   时间:2014-07-16 09:51:23    阅读次数:201
List exercise
The slice operator can take a third argument that determines the step size, so t[::2] creates a list that contains every other element from t. If the ...
分类:其他好文   时间:2014-07-15 09:12:42    阅读次数:328
Remove Duplicates from Sorted Array
描述 Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra space for another array, you must do this in ...
分类:其他好文   时间:2014-07-14 13:46:43    阅读次数:229
Some Classical Recursive Functions
Some Classical Recursive FunctionsSome Classical Recursive FunctionsTable of Contents1. Find the maximum element of an array recursively.In this post,...
分类:其他好文   时间:2014-07-13 21:18:30    阅读次数:200
List methods
Python provides methods that operate on lists. For example, append adds a new element to the end of a list, extend takes a list as an argument and app...
分类:其他好文   时间:2014-07-13 19:16:32    阅读次数:236
jQuery学习----------DOM操作
DOM操作之创建元素:DOM:varele=document.createElement("element")例子:document.createElement("div")jQuery:var$ele=$("element")//返回的是一个jQuery对象例子:$("<div></div>")DOM操作之输入文本:DOM:vartxt=document.createTextNode("String")例子:doc..
分类:Web程序   时间:2014-07-13 14:16:14    阅读次数:333
LeetCode——Best Time to Buy and Sell Stock III
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 at most two transactions. Note: You ma...
分类:其他好文   时间:2014-07-13 13:55:14    阅读次数:305
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