python能够改变变量作用域的代码段是def、class、lamda. (模块,类以及函数才会引入新的作用域)if/elif/else、try/except/finally、for/while 并不能涉及变量作用域的更改,也就是说他们的代码块中的变量,在外部也是可以访问的变量搜索路径是:本地变量-...
分类:
编程语言 时间:
2015-09-02 01:53:51
阅读次数:
213
Given an array ofnintegers wheren> 1,nums, return an arrayoutputsuch thatoutput[i]is equal to the product of all the elements ofnumsexceptnums[i].Solv...
分类:
其他好文 时间:
2015-09-01 12:34:37
阅读次数:
281
Problem:Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums...
分类:
其他好文 时间:
2015-09-01 12:11:54
阅读次数:
155
1.DB add field ‘except‘ - ‘catalogsearch_query‘ 2.app\code\core\Mage\Adminhtml\Block\Catalog\Search\Edit\Form.php add field
// feng
$fieldset->addField(‘except‘, ‘text‘, array(
‘name‘ => ‘except...
分类:
其他好文 时间:
2015-08-31 17:46:44
阅读次数:
134
1、错误描述org.hibernate.exception.SQLGrammarException: error executing work
at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:80)
at org.hibernate.except...
分类:
数据库 时间:
2015-08-30 23:09:26
阅读次数:
428
Given a complete binary tree, count the number of nodes.
Definition of a complete binary tree from Wikipedia:
In a complete binary tree every level, except possibly the last, is completely filled,...
分类:
其他好文 时间:
2015-08-30 14:25:12
阅读次数:
165
DescriptionVenture MFG Company, Inc. has made a game board. This game board has 15 holes and these holes are filled with pegs except one hole. A peg c...
分类:
其他好文 时间:
2015-08-29 21:28:27
阅读次数:
346
#python3 calculate Shannon Entropy
from math import log2
def calcShannonEnt(dataSet):
length,dataDict=float(len(dataSet)),{}
for data in dataSet:
try:dataDict[data]+=1
except:...
分类:
其他好文 时间:
2015-08-29 20:21:06
阅读次数:
392
Write a function to delete a node (except the tail) in a singly linked list, given only access to that node.Supposed the linked list is1 -> 2 -> 3 -> ...
分类:
其他好文 时间:
2015-08-29 06:17:33
阅读次数:
150
Given an array ofnintegers wheren> 1,nums, return an arrayoutputsuch thatoutput[i]is equal to the product of all the elements ofnumsexceptnums[i].Solv...
分类:
其他好文 时间:
2015-08-28 12:53:23
阅读次数:
145