Validate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>true题解：题目不难，就是有点麻烦，要注意的地方很多，总结一下：前面和后面的空格要用s...
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其他好文 时间：
2014-07-23 20:43:55
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222
第一次从外部文件导入HelloWorld工程到workspace目录中，成功。删除后，再次从外部导入workspace目录提示Some projects cannot be imported because they already exist in the workspaceeclipse中删除H...
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系统相关 时间：
2014-07-23 20:40:15
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252
本章提要---------------------------------------------arthiecture, and some componentconnect to oracle这一章, 概念性的东西多一些---------------------------------------...
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其他好文 时间：
2014-07-23 20:36:45
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288
今天在用git的时候遇到了一个问题。在想远程分支push的时候，出现了下面的错误：
! [remote rejected] master -> refs/for/master (change 144 closed)
error: failed to push some refs to ...
检查了一下发现是因为本地分支的版本相比远程分支的版本低。
解决的过程中有如下问题：
1、（不建议...
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其他好文 时间：
2014-07-23 17:06:51
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251
Valid operators are +, -, *, /. Each operand may be an integer or another expression. Some examples: ["2", "1", "+", "3", "*"] -> ((2 + 1) * 3) -> 9 [...
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其他好文 时间：
2014-07-23 11:37:06
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216
DescriptionYou haveNintegers,A1,A2, ... ,AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each ...
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其他好文 时间：
2014-07-23 11:31:26
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269
Problem Description
DouBiXp has a girlfriend named DouBiNan.One day they felt very boring and decided to play some games. The rule of this game is as following. There are k balls on the desk. Every...
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其他好文 时间：
2014-07-23 00:05:27
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344
The partial sum problem
时间限制：1000 ms | 内存限制：65535 KB
难度：2
描述One day,Tom’s girlfriend give him an array A which contains N integers and asked him:Can you choose some integers from the N ...
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其他好文 时间：
2014-07-22 18:01:38
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250
Wavio Sequence
Wavio is a sequence of integers. It has some interesting properties.
· Wavio is of odd length i.e. L = 2*n + 1.
· The first (n+1) integers of Wavio sequence makes a strictly i...
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其他好文 时间：
2014-07-22 14:36:14
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248
Balance
Time Limit: 1000MS
Memory Limit: 30000K
Total Submissions: 10307
Accepted: 6377
Description
Gigel has a strange "balance" and he wants to poise it. Actually, ...
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其他好文 时间：
2014-07-21 23:27:52
阅读次数：
235
