bigbangwqf-优快云博客

原创匿名内部类引起的内存泄露——Handler和Thread

匿名内部类会持有外部类的引用，当内部类进行延时操作的时候，如果外部类是Activity，那么在执行destroy后，并不会被销毁，从而导致内存泄漏

2016-05-06 13:23:55 4359

原创 Android学习--Hello World

Android学习helloworld的书写方式，来看Android的界面的两种开发方式

2015-01-05 19:32:54 560

原创 Python学习——leetcode(Remove Nth Node From End of List)

删除倒数第n个节点

2014-12-18 16:05:47 301

原创 Python学习——leetcode(Valid Parentheses)

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]" are not.括号匹配问题

2014-12-18 15:37:08 376

原创 Python学习——leetcode(Balanced Binary Tree)

Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never differ by more than 1.如何判断一个二叉树是否为平衡二叉树，用python代码实现

2014-12-18 14:21:52 424

原创 Python学习——leetcode(Intersection of Two Linked Lists)

Write a program to find the node at which the intersection of two singly linked lists begins.

2014-12-18 13:59:51 377

原创 Python学习——leetcode(Binary Tree Level Order Traversal)

Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).

2014-12-18 13:22:17 351

原创 Python学习——leetcode(Compare Version Numbers)

Compare two version numbers version1 and version1.If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0.You may assume that the version strings are non-empty and contain only digits and the . character.The . character doe

2014-12-17 19:27:00 640

原创 Python学习——leetcode(Length of Last Word)

Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.If the last word does not exist, return 0.Note: A word is defined as a character sequence consists of non-space character

2014-12-17 16:36:46 691

bigbangwqf的专栏

原创匿名内部类引起的内存泄露——Handler和Thread

原创 Android学习--Hello World

原创 Python学习——leetcode(Remove Nth Node From End of List)

原创 Python学习——leetcode(Valid Parentheses)

原创 Python学习——leetcode(Balanced Binary Tree)

原创 Python学习——leetcode(Intersection of Two Linked Lists)

原创 Python学习——leetcode(Binary Tree Level Order Traversal)

原创 Python学习——leetcode(Compare Version Numbers)

原创 Python学习——leetcode(Length of Last Word)

原创 Python学习——leetcode(Merge Two Sorted Lists )

原创 Python学习——leetcode(Add Binary)

原创 Python学习——leetcode(Climbing Stairs)

原创 Python学习——leetcode(Remove Element)

原创 Python学习——leetcode(Remove Duplicates from Sorted List)

原创 Python学习——leetcode(Two Sum)

空空如也

空空如也