When are static C++ class members initialized?(静态 C++ 类成员何时初始化?)

Why can#39;t simple initialize (with braces) 2D std::array?(为什么不能简单地初始化(带大括号)2D std::array?)

How do C++ class members get initialized if I don#39;t do it explicitly?(如果我不明确地初始化，C++ 类成员如何初始化?)

initialize a const array in a class initializer in C++(在 C++ 中的类初始化程序中初始化 const 数组)

C++11 allows in-class initialization of non-static and non-const members. What changed?(C++11 允许对非静态和非常量成员进行类内初始化.发生了什么变化?)

C++ Static member initialization (template fun inside)(C++静态成员初始化(模板乐趣在里面))

What is the easiest way to initialize a std::vector with hardcoded elements?(用硬编码元素初始化 std::vector 的最简单方法是什么?)

Initialization of all elements of an array to one default value in C++?(将数组的所有元素初始化为C++中的一个默认值?)

In this specific case, is there a difference between using a member initializer list and assigning values in a constructor?(在这种特定情况下，使用成员初始值设定项列表和在构造函数中赋值有区别吗?)

Does initialization entail lvalue-to-rvalue conversion? Is `int x = x;` UB?(初始化是否需要左值到右值的转换?是`int x = x;` UB吗?)

Finding C++ static initialization order problems(查找 C++ 静态初始化顺序问题)

Naming convention for Qt widgets(Qt 小部件的命名约定)

QWidget::setLayout: Attempting to set QLayout quot;quot; on Widget quot;quot;, which already has a layout(QWidget::setLayout: 试图设置 QLayout 在 Widget“上，它已经有一个布局)

Qt: how to detect whether a widget is selected?(Qt:如何检测一个小部件是否被选中?)

Qt: Widget method addButtons() does NOT work as needed(Qt:小部件方法 addButtons() 不能按需要工作)

A qt widget with fully transparent background(具有完全透明背景的 qt 小部件)

Qt remove margins(Qt 删除边距)

Multiple widgets on a QDockWidget(QDockWidget 上的多个小部件)

Combine multiple widgets into one in Qt(在 Qt 中将多个小部件合并为一个)

Do the parentheses after the type name make a difference with new?(类型名称后的括号是否与 new 不同?)