Pearls
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 7465
Accepted: 3695
Description
In Pearlania everybody is fond of pearls. One company, called The Ro...
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其他好文 时间:
2014-11-20 00:04:23
阅读次数:
224
ERROR:All WebView methods must be called on the same thread.warnning:所有WebView方法必须在主线程调用(4.0)所有WebView方法必须在同一线程调用(4.4)这是原来报错的程序 public void loadurl...
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移动开发 时间:
2014-11-19 18:00:50
阅读次数:
197
For any matrix $A$ the series $$\bex \exp A=I+A+\frac{A^2}{2!}+\cdots+\frac{A^n}{n!}+\cdots \eex$$ converges. This is called the exponential of $A$. T...
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其他好文 时间:
2014-11-18 13:14:41
阅读次数:
199
If $\sen{A}<1$, then $I-A$ is invertible, and $$\bex (I-A)^{-1}=I+A+A^2+\cdots, \eex$$ aa convergent power series. This is called the Neumann series.
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其他好文 时间:
2014-11-18 13:07:47
阅读次数:
151
So you have a C++ template class, but you want to specifiy a member function for a particular type of data: 1 // A template class called Image: 2 tem....
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其他好文 时间:
2014-11-16 01:51:43
阅读次数:
142
Net::LDAP for Ruby (also called net-ldap) implements client access for the Lightweight Directory Access Protocol (LDAP), an IETF standard protocol for...
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其他好文 时间:
2014-11-14 23:56:49
阅读次数:
313
python中的函数使用较简单,这里列出值得注意的几点: 内嵌函数 例如: # coding: utf-8 def foo(): def bar(): print 'bar() called.' print 'foo() called.' foo()
bar() 对bar的调用是非法的,因为bar的...
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编程语言 时间:
2014-11-14 22:25:50
阅读次数:
326
Prime Distance
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 12811
Accepted: 3420
Description
The branch of mathematics called number theory is about p...
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其他好文 时间:
2014-11-12 13:51:21
阅读次数:
248
public class DemoActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedI...
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移动开发 时间:
2014-11-11 22:57:34
阅读次数:
243
1、需要RootTools.jar
2、执行脚本
public class InstallerActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) ...
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移动开发 时间:
2014-11-11 16:45:32
阅读次数:
193