C/C++开发问题

Declaring an object before initializing it in c++(在 C++ 中初始化之前声明一个对象)
For loop inside its own curly braces(For 循环在它自己的花括号内)
Catching exceptions from a constructor means that my instance is out of scope afterward(从构造函数捕获异常意味着我的实例之后超出范围)
Is there a way to access the value of a local variable that has become hidden inside another scope?(有没有办法访问隐藏在另一个范围内的局部变量的值?)
What is POI and what does it mean?(什么是 POI,它是什么意思?)
Local variable scope question(局部变量作用域问题)
file scope and static floats(文件范围和静态浮点数)
storage class, storage duration, file scope, lifetime, linkage confusion(存储类、存储持续时间、文件范围、生存期、链接混淆)
Accessing variables with the same name at different scopes(访问不同作用域的同名变量)
In C++, what is the scope resolution (quot;order of precedencequot;) for shadowed variable names?(在 C++ 中,阴影变量名称的范围解析(“优先顺序)是什么?)
Why GCC allows calling this function without using its namespace first?(为什么 GCC 允许在不首先使用其命名空间的情况下调用此函数?)
Expand scope of a variable initialized in a if/else sequence(扩展在 if/else 序列中初始化的变量的范围)