An Intent is a messaging object you
can use to request an action from another app component. Although intents facilitate communication
between components in several ways, there are three fundament...
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其他好文 时间：
2014-07-01 08:54:18
阅读次数：
414
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
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其他好文 时间：
2014-06-30 23:46:14
阅读次数：
288
An Intent is a messaging object you
can use to request an action from another app component. Although intents facilitate communication
between components in several ways, there are three fundament...
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其他好文 时间：
2014-06-30 19:28:20
阅读次数：
225
Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length.
Do not allocate extra space for another array, you must do this in place with...
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其他好文 时间：
2014-06-30 17:22:13
阅读次数：
196
11490 - Just Another Problem
题目链接
题意：有S个士兵，排成一个矩阵，矩阵中可以有两个洞，要求两个洞上下左右厚度一样，问能缺少士兵的情况数。
思路：推推公式，设厚度为a, 正方形为i, 那么(3 a + 2 i) (2
a + i) = S + 2 i i;
化简一下得到6 i i + 7 a i = S
由于S很大，所以去枚举厚度，这样只要...
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其他好文 时间：
2014-06-30 17:06:42
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189
1.dpkg: error: dpkg status database is locked by another process 解决办法：sudo rm -rf /var/lib/dpkg/lock2.在64位系统上安装ia32-libs后（Ubuntu执行：sudo apt-get instal...
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系统相关 时间：
2014-06-26 23:10:00
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438
Runtime EnvironmentsQuartz can run embedded within another free standing applicationQuartz can be instantiated within an application server (or servle...
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其他好文 时间：
2014-06-25 19:13:37
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225
【问题】
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
...
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编程语言 时间：
2014-06-24 23:22:53
阅读次数：
331
BackgroundAfter trying to solve problem EDIT1(Editor) and being ****ed by Brainf**k, Blue Mary decided to set another difficult problem about editor.D...
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其他好文 时间：
2014-06-24 11:43:44
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245
Several ports (8005, 8080, 8009) required by Tomcat v6.0 Server at localhost are already in use. The server may already be running in another process,...
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其他好文 时间：
2014-06-23 07:08:50
阅读次数：
246
