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New posts in undefined-behavior

Why does Excel translate `=10**-2` to `=0.1`?

Is it undefined behaviour to access an array beyond its end, if that area is allocated? [duplicate]

c undefined-behavior

Is this undefined?

c undefined-behavior

Can a variable be used while being declared?

How can I create a macro which uses a value multiple times, without copying it?

Is printf()'s string width safe with unterminated strings?

In a function call, why isn't comma a sequence point?

Constant time `contains` for `std::vector`? [duplicate]

Java list.contains returning false, should be true [duplicate]

java undefined-behavior

What is the rationale for this undefined behavior?

c++ undefined-behavior

const_cast and UB

Why passing string to scanf() compiles fine in C?

c scanf undefined-behavior

unexpected output of C++

Why can I operate with int > +32767?

Limit the confusion caused by undefined-behavior?

Which of the following combinations of post & pre-increment operators have undefined behaviour in C?

Lua - Two local variables with the same name

a = (a + b) - (b = a); C++ vs php

php c++ undefined-behavior

Incrementing a Constant in C++

Re Legacy code : format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long unsigned int’ [-Wformat]