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C++11 引入了标准化的内存模型。这是什么意思?它将如何影响 C++ 编程?
c++
multithreading
c++11
language-lawyer
memory-model
在 CSS Flexbox 中,为什么没有“justify-items”和“justify-self”属性?
css
flexbox
language-lawyer
w3c
我们可以有多少级别的指针?
c++
c
pointers
language-lawyer
limit
int a[] = {1,2,};为什么允许在初始化列表中使用尾随逗号?
c++
syntax
grammar
language-lawyer
一个积极的 lambda: '+[]{}' - 这是什么魔法? [复制]
c++
c++11
lambda
operator-overloading
language-lawyer
C++ 代码可以在 C++03 和 C++11 中都有效但做不同的事情吗?
c++
c++11
language-lawyer
c++03
main 是一个有效的 Java 标识符吗?
java
language-lawyer
main
identifier
Rust 的确切自动解除引用规则是什么?
rust
reference
language-lawyer
为什么 f(i = -1, i = -1) 行为未定义?
c++
language-lawyer
undefined-behavior
switch-case 中有效但毫无价值的语法?
c
switch-statement
language-lawyer
是什么让 i = i++ + 1;在 C++17 中合法吗?
c++
language-lawyer
c++17
如果你 static_cast 无效值到枚举类会发生什么?
c++
language-lawyer
优化“while(1);”在 C++0x 中
c++
loops
c++11
language-lawyer
undefined-behavior
操作“false < true”是否定义明确?
c++
boolean
language-lawyer
comparison-operators
如何制作一个不会被优化的无限空循环?
c
clang
language-lawyer
compiler-optimization
访问不活动的工会成员和未定义的行为?
c++
undefined-behavior
language-lawyer
unions
C++ 零初始化 - 为什么这个程序中的 `b` 未初始化,但 `a` 已初始化?
c++
initialization
language-lawyer
在 std::vector::erase() 和 std::deque::erase() 中复制/移动赋值
c++
language-lawyer
c++14
这段代码如何在不使用 sizeof() 的情况下确定数组大小?
c
arrays
size
language-lawyer
pointer-arithmetic
可以空引用吗?
c++
reference
null
language-lawyer
push_back 来自同一向量的元素是否安全?
c++
vector
reference
language-lawyer
push-back
什么是“回调地狱”以及 RX 如何以及为什么解决它?
javascript
callback
language-lawyer
reactive-programming
rxjs
Lambda 自身返回:这合法吗?
c++
lambda
language-lawyer
c++17
auto
是否使用 if (0) 跳过应该工作的开关中的一个案例?
c++
c
if-statement
switch-statement
language-lawyer
Double 的“==”运算符的定义
c#
.net
language-lawyer
为什么 C++ 中存在 delete[] 语法?
c++
memory-management
syntax
language-lawyer
standards
何时在空实例上调用成员函数会导致未定义的行为?
c++
undefined-behavior
language-lawyer
standards-compliance
null-pointer
Lambda 捕获和具有相同名称的参数 - 谁会影响另一个? (clang vs gcc)
c++
c++11
lambda
language-lawyer
shadowing
为什么带逗号的三元运算符在真实情况下只计算一个表达式?
c++
language-lawyer
operator-precedence
conditional-operator
在 C++ 中使用 C 头文件时,我们应该使用 std:: 还是全局命名空间中的函数?
c++
language-lawyer
std
程序在 3 个主要 C++ 编译器中以不同方式编译。哪一个是对的?
c++
language-lawyer
将 C++ 对象传递给它自己的构造函数是否合法?
c++
class
constructor
language-lawyer
undefined-behavior
std::ignore 与结构化绑定?
c++
c++17
language-lawyer
structured-bindings
std-tie
C++20 是否要求将源代码存储在文件中?
c++
language-lawyer
c++20
std-source-location
关于 C 中的数组初始化的困惑
c
arrays
initialization
language-lawyer
高效的无符号到有符号转换,避免实现定义的行为
c++
casting
integer
language-lawyer
integer-overflow
新标准版本的 C++ 中是否有过无声的行为变化?
c++
language-lawyer
standardization
“未定义的行为”真的允许*任何事情*发生吗? [复制]
c++
c
language-lawyer
undefined-behavior
有效地最终与最终 - 不同的行为
java
language-lawyer
final
jls
effectively-final
C++ - 为什么不能用'const'限定符创建静态成员函数
c++
static
language-lawyer
const-method
“else if”是一个关键字吗?
c++
syntax
language-lawyer
在 c++0x 中删除 nullptr 是否仍然安全?
c++
null
language-lawyer
delete-operator
为什么是“使用命名空间 X;”不允许在类/结构级别?
c++
namespaces
using
language-lawyer
具有称为 main 的全局变量而不是 main 函数的程序如何工作?
c++
main
language-lawyer
什么时候私有构造函数不是私有构造函数?
c++
c++11
language-lawyer
default-constructor
aggregate-initialization
为什么(仅)某些编译器对相同的字符串文字使用相同的地址?
c++
language-lawyer
string-literals
string-interning
除了对运算符优先级之外,额外的括号何时会产生影响?
c++
c++11
language-lawyer
parentheses
c++-faq
用 %p 打印空指针是未定义的行为吗?
c
language-lawyer
c99
undefined-behavior
c11
“C++ 编程语言”第 4 版第 36.3.6 节中的这段代码是否具有明确定义的行为?
c++
c++11
language-lawyer
operator-precedence
unspecified-behavior
'auto const' 和 'const auto' 是一样的吗?
c++
c++11
language-lawyer
constants
auto
C++中类型信息什么时候倒流?
c++
types
language-lawyer
c++17
type-deduction
使用非静态数据成员和嵌套类构造函数的类内初始化时出错
c++
c++11
language-lawyer
陷阱表示
c++
c
visual-studio-2010
gcc
language-lawyer
是否可以假定具有未定义行为的分支无法访问并将其优化为死代码?
c++
language-lawyer
undefined-behavior
dead-code
unreachable-code
++中逗号运算符的不同行为与返回?
c++
return
language-lawyer
operator-precedence
comma-operator
为什么 Roslyn 中有异步状态机类(而不是结构)?
c#
.net
language-lawyer
roslyn
这是 C++11 for 循环的已知缺陷吗?
c++
for-loop
c++11
language-lawyer
foreach
为什么 C 和 C++ 允许表达式 (int) + 4*5?
c++
c
casting
language-lawyer
为什么 C++ 中的引用不是“const”?
c++
reference
constants
language-lawyer
decltype
纯函数:“无副作用”是否意味着“总是相同的输出,给定相同的输入”?
javascript
functional-programming
language-lawyer
pure-function
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