09 2015 档案

【LeetCode】136 & 137 & 260 - Single Number I & II &III
摘要：I.Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime complexi... 阅读全文
posted @ 2015-09-29 14:40 irun 阅读(130) 评论(0) 推荐(0)
Python获取脚本所在目录的正确方法【转】
摘要：1.以前的方法如果是要获得程序运行的当前目录所在位置，那么可以使用os模块的os.getcwd()函数。如果是要获得当前执行的脚本的所在目录位置，那么需要使用sys模块的sys.path[0]变量或者sys.argv[0]来获得。实际上sys.path是Python会去寻找模块的搜索路径列表，sys... 阅读全文
posted @ 2015-09-24 10:21 irun 阅读(714) 评论(0) 推荐(1)
Autorun a python script after reboot using rc.local
摘要：1. /home/lvtest/test/test.py from datetime import datetimenow=datetime.now()f=open('test.log','a')f.write('%s '%now)f.close()2. edit/etc/rc.local wit... 阅读全文
posted @ 2015-09-21 15:18 irun 阅读(239) 评论(0) 推荐(0)
Third-party Modules Using Note
摘要：Moduleoptparse from optparse import OptionParser def opt(): usage = "usage: %prog [options] arg" parser = OptionParser(usage=usage) entries ... 阅读全文
posted @ 2015-09-17 16:50 irun 阅读(246) 评论(0) 推荐(0)
【LeetCode】160 - Intersection of Two Linked Lists
摘要：Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: a... 阅读全文
posted @ 2015-09-10 20:54 irun 阅读(168) 评论(0) 推荐(0)
【LeetCode】125 - Valid Palindrome
摘要：Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana... 阅读全文
posted @ 2015-09-10 20:41 irun 阅读(172) 评论(0) 推荐(0)
【LeetCode】21 - Merge Two Sorted Lists
摘要：Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.Tags：Link... 阅读全文
posted @ 2015-09-10 20:02 irun 阅读(164) 评论(0) 推荐(0)
【LeetCode】205 - Isomorphic Strings
摘要：Given two stringssandt, determine if they are isomorphic.Two strings are isomorphic if the characters inscan be replaced to gett.All occurrences of a ... 阅读全文
posted @ 2015-09-09 21:36 irun 阅读(159) 评论(0) 推荐(0)
【LeetCode】20 - Valid Parentheses
摘要：Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ... 阅读全文
posted @ 2015-09-09 21:05 irun 阅读(144) 评论(0) 推荐(0)
【LeetCode】1 - Two Sum
摘要：Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu... 阅读全文
posted @ 2015-09-09 20:50 irun 阅读(141) 评论(0) 推荐(0)
【LeetCode】112 - Path Sum
摘要：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... 阅读全文
posted @ 2015-09-09 20:04 irun 阅读(163) 评论(0) 推荐(0)