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How to find serial number of Android device?

...oogle's recommendations, I implemented a class that will generate a unique UUID for each device, using ANDROID_ID as the seed where appropriate, falling back on TelephonyManager.getDeviceId() as necessary, and if that fails, resorting to a randomly generated unique UUID that is persisted across app ...
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IOException: read failed, socket might closed - Bluetooth on Android 4.3

...; import java.lang.reflect.Method; import java.util.List; import java.util.UUID; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothSocket; import android.util.Log; public class BluetoothConnector { private BluetoothSocketWra...
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C++ stl stack/queue 使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...素类型,一个容器类型,但只有元素类型是必要,在不指定容器类型时,默认容器类型为deque。 定义stack 对象示例代码如下: stack<int> s1; stack<string> s2; stack 基本操作有: 入栈,如例:s.push(x); 出栈,如例:s.pop(); ...
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How do I create a unique ID in Java? [duplicate]

... Create a UUID. String uniqueID = UUID.randomUUID().toString(); share | improve this answer | follow ...
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plsql 存储过程 事务 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...点,释放锁,丢弃所有未决数据改变。 7、回滚事务到指定保存点(ROLLBACK TO SAVEPOINT)回滚当前事务到指定保存点,丢弃该保存点创建后任何改变,释放锁。 8、当执行DDL、DCL语句,或退出SQL*PLUS时,会自动提交事务; ...
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关于我们 · App Inventor 2 中文网,少儿编程陪伴者

... 边栏搜索 请输入搜索内容 搜索 边栏菜...
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The JPA hashCode() / equals() dilemma

... it. I let JPA implementation to change the field instead of the property. UUID solution seems to be overkill. Why UUID if you have natural business id? I would after all set the uniqueness of the business id in the database. Why having THREE indexes for each table in the database then? ...
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socket网络编程中read与recv区别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...read与recv区别1、read 与 recv 区别read 原则:数据在不超过指定长度时候有多少读多少,没有数据则会一直等待。所以一般情况下:我们读取数据都...1、read 与 recv 区别 read 原则: 数据在不超过指定长度时候有多少读多...
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在vc中使用xtremetoolkit界面库-----简单控件使用 - C/C++ - 清泛网 - 专...

...字,好了,现在我们看看CXTPSyntaxEditCtrl.cpp源码: 我们搜索一下窗口注册那部分代码: 可以搜索找到下面这一段: 看到窗口注册名是一个宏定义:XTP_EDIT_CLASSNAME_EDITCTRL 好了,下面我们要找就是这个宏定义所代表字...
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WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术

...CKET s, //需要设置套接字句柄 HWND hWnd, //指定一个窗口句柄, 套接字通知消息将被发到此窗口中 u_int wMsg, //网络事件到来ID,可以在WM_USER以上数值中任意指定一个值 long IEvent //指定哪些通...