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LeetCode--Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given below. Input:Digit st...
分类:其他好文   时间:2015-01-08 22:51:58    阅读次数:270
Valid Sudoku
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/42497857 Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be partiall...
分类:其他好文   时间:2015-01-08 21:42:06    阅读次数:246
安装ruby compass失败
安装compass失败ERROR: Could not find a valid gem 'compass' (>= 0), here is why: Unable to download data from https://rubygems.org/ - SSL_connect...
分类:其他好文   时间:2015-01-08 12:54:21    阅读次数:176
[Leetcode][JAVA] Populating Next Right Pointers in Each Node II
Follow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solution stil...
分类:编程语言   时间:2015-01-08 07:06:05    阅读次数:216
[LeetCode] Sum Root to Leaf Numbers dfs,深度搜索
Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which rep...
分类:其他好文   时间:2015-01-08 00:45:25    阅读次数:257
tomact或者jetty启动缓慢【在加载log4j配置的时候】
在自己的电脑上面启动都正常,在别人电脑上启动一直卡在这边 log4j:WARN?No?appenders?could?be?found?for?logger?(org.springframework.web.context.ContextLoader). log4j:WARN?Please?initialize?t...
分类:系统相关   时间:2015-01-07 17:05:47    阅读次数:217
java-Sum Root to Leaf Numbers
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total ...
分类:编程语言   时间:2015-01-07 16:59:46    阅读次数:149
Android Studio Error -- Could not create the Java Virtual Machine
:app:dexDebugError: Could not create the Java Virtual Machine.Error: A fatal exception has occurred. Program will exit. FAILEDFAILURE: Build failed wi...
分类:移动开发   时间:2015-01-07 16:40:39    阅读次数:426
[LeetCode#23]Merge k Sorted Lists
The problem:Sort a linked list inO(nlogn) time using constant space complexity.My analysis:The is problem could be elegantly solved by using merge.The...
分类:其他好文   时间:2015-01-07 01:50:28    阅读次数:112
Hibernage错误:Could not open Hibernate Session for transaction
今天在做SSH框架整合的时候碰到的这个问题,在测试service层的时候程序正常运行,但是添加Struts,在action层测试的时候提示了如下问题:Could not open Hibernate Session for transaction。大概意思就是数据库连接超时。 解决方法如下: 在spring的配置文件中添加如下配置 给sessionFactory的bean添加如下配置 ...
分类:Web程序   时间:2015-01-06 23:08:56    阅读次数:300
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