修改注册表 [HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Jet/4.0/Engines/Jet4.0] 将MaxLocksPerFile键值改为自己设置的值(如:9999999)。代码实现:function TfrmExport.EditRegister: Boo....
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其他好文 时间:
2014-07-28 23:39:44
阅读次数:
286
在发送一个Notification前,我们需要准备好一个NotificationManagerNotificationManager manager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE)...
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其他好文 时间:
2014-07-28 21:25:24
阅读次数:
165
问题描述Source not foundThe JAR file D:\.....\sdk\platforms\android-20\android.jar has no source attachment.问题原因及解决办法1. 使用SDK Manager下载最新版本的Sources for An...
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移动开发 时间:
2014-07-28 19:11:44
阅读次数:
269
多重继承描述的是有多个直接基类的类。多重继承会带来两个主要的问题:
①从两个不同的基类继承同名方法;
②从两个或更多相关基类那里继承同一个类的多个实例。例如:
class A
{
private:
string name;
int id;
public:
virtual void f();
...
};
class B:public A
{
private...
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其他好文 时间:
2014-07-28 16:32:06
阅读次数:
237
Base类只是一个指针,所以Base大小是4个字节。
但Base类中添加一个int a,Base的大小变成8字节。
#include
#include
using namespace std;
class Base1
{
public:
Base1(){cout << "Base1" << endl;}
~Base1(){cout << "~Base1" << endl;}
virtual void f(int){cout << "Base1 f(int...
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编程语言 时间:
2014-07-28 15:47:13
阅读次数:
261
Problem Description
As we all know, machine scheduling is a very classical problem in computer science and has been studied for a very long history. Scheduling problems differ widely in the nature of...
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其他好文 时间:
2014-07-28 15:47:03
阅读次数:
308
Problem Description
A project manager wants to determine the number of the workers needed in every month. He does know the minimal number of the workers needed in each month. When he hires or fires...
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其他好文 时间:
2014-07-28 15:44:23
阅读次数:
284
I am using pybrain on my Linuxmint 13 x86_64 PC.As what it is described: PyBrain is a modular Machine Learning Library for Python. Its goal is to offe...
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编程语言 时间:
2014-07-28 11:33:00
阅读次数:
292
Definition of Supervised Learning and unsupervised learningIdea of supervised learning is to teach computer how to do something.Idea of unsupervised l...
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其他好文 时间:
2014-07-28 11:32:10
阅读次数:
183
一、基础知识:1、JVM、JRE和JDK的区别: JVM(Java Virtual Machine):java虚拟机,用于保证java的跨平台的特性。 java语言是跨平台,jvm不是跨平台的。 JRE(Java Runtime Environment):java的运行环境,包括jvm+java的....
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编程语言 时间:
2014-07-28 11:28:00
阅读次数:
244