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Initialize parent's protected members with initialization list (C++)
...You'll have to add a constructor (could be protected) to the base class to forward it along. Something like:
class Parent
{
protected:
Parent( const std::string& something ) : something( something )
{}
std::string something;
}
class Child : public Parent
{
private:
Child() : P...
warning RC2182: duplicate dialog control ID 1002 - C/C++ - 清泛网 - 专注C/C++及内核技术
warning RC2182: duplicate dialog control ID 1002原因：报错行的控件ID值（这里是1002），与其他的控件ID值一样，发生冲突了。解决：resource.h中将值一样的控件ID改为不同的值。原因：报错行的控件ID值（这里是1002），与其他的控件ID值一...
ble 蓝牙透传代码怎么写？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
...用我们这个模块这个地址可以吗？
上图中是控制服务id：SERVICEF000_UUUID = UUID.fromString("0000f000-0000-1000-8000-00805f9b34fb");以及2个控制端口的特征id。
可以做到透传，不过要换透传 id，这个 id 是 io 控制口
晚一些我给你一...
What is a good pattern for using a Global Mutex in C#?
..., false).
GetValue(0)).Value.ToString();
// unique id for global mutex - Global prefix means it is global to the machine
string mutexId = string.Format( "Global\\{{{0}}}", appGuid );
// Need a place to store a return value in Mutex() constructor call
bool createdNew...
How to remove padding around buttons in Android?
...
For me the problem turned out to be minHeight and minWidth on some of the Android themes.
On the Button element, add:
<Button android:minHeight="0dp" android:minWidth="0dp" ...
Or in your button's style:
<item name...
Why doesn't Java allow generic subclasses of Throwable?
...d SomeException<String> are erased to the same type, there is no way for the JVM to distinguish the exception instances, and therefore no way to tell which catch block should be executed.
share
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What is event bubbling and capturing?
...element inside another element, and both elements have registered a handle for that event. The event propagation mode determines in which order the elements receive the event.
With bubbling, the event is first captured and handled by the innermost element and then propagated to outer elements.
Wit...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n，就调用control目录下的 user.php类中的onsynlogin方法，通过foreach循环，以javascript的方式通知uc应用列表中的应用同步登录；即通过 get方式传递给应用目录中api下的uc.php一些数据；
3、uc.php接收通知并处理get过来的数据，并在函...
Difference between @OneToMany and @ElementCollection?
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I believe @ElementCollection is mainly for mapping non-entities (embeddable or basic) while @OneToMany is used to map entities. So which one to use depend on what you want to achieve.
sha...
Aren't Python strings immutable? Then why does a + “ ” + b work?
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@delnan and so, what? For the sake of showing that strings and lists behave differently you can assume that a = a+"Foo" is the same as a.append(something). In any case it's not the same. Obviously. Were you happier reading a.extend([something]) in...