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c++ Programming Glossary: footnotec++ why initializer_list behavior for std::vector and std::array are different http://stackoverflow.com/questions/11400090/c-why-initializer-list-behavior-for-stdvector-and-stdarray-are-different elision does not apply for direct list initialization. A footnote here reads Braces cannot be elided in other uses of list initialization...
http://stackoverflow.com/questions/12135518/is-faster-than Jcc are Latency Throughput Jcc N A 0.5 with the following footnote on Jcc 7 Selection of conditional jump instructions should be..
http://stackoverflow.com/questions/1256246/address-of-register-variable this question Here's an excerpt from Section 6.7.1 footnote 101 of the C99 standard pdf The implementation may treat any..
What is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix of translation is specified by the following phases see footnote . Physical source file characters are mapped in an implementation.. for execution in its execution environment. emphasis mine footnote Implementations must behave as if these separate phases occur..
Does initialization entail lvalue-to-rvalue conversion? Is `int x = x;` UB? http://stackoverflow.com/questions/14935722/does-initialization-entail-lvalue-to-rvalue-conversion-is-int-x-x-ub value allocated to a register might trap. ”end footnote Otherwise if the object to which the glvalue refers contains..
What exactly is the “as-if” rule? http://stackoverflow.com/questions/15718262/what-exactly-is-the-as-if-rule abstract machine as explained below. Also an explanatory footnote adds This provision is sometimes called the œas if rule because..
http://stackoverflow.com/questions/2306587/as-if-in-language-standards behavior of the abstract machine and in an informational footnote This provision is sometimes called the œas if rule because an..
dereferencing the null pointer http://stackoverflow.com/questions/2896689/dereferencing-the-null-pointer and the operator were changed to a operator. and its footnote #84 Thus E is equivalent to E even if E is a null pointer ..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom get rid of the old data... delete mArray 2 mArray 0 2 see footnote for rationale ...and put in the new mSize other.mSize 3 mArray..
Why is ++i considered an l-value, but i++ is not? http://stackoverflow.com/questions/371503/why-is-i-considered-an-l-value-but-i-is-not are taken from the C99 Standard which includes this nice footnote quite helpful The name ˜â€˜lvalue ™â€ comes originally from the..
Fun with uninitialized variables and compiler (GCC) http://stackoverflow.com/questions/4879045/fun-with-uninitialized-variables-and-compiler-gcc output Well not really as the Standard reads in the footnote of §3.9.1 6 that Using a bool value in ways described by this..
Is the backslash acceptable in C and C++ #include directives? http://stackoverflow.com/questions/5790161/is-the-backslash-acceptable-in-c-and-c-include-directives sequence between the delimiters the behavior is undefined. footnote Thus sequences of characters that resemble escape sequences.. appears in a h char sequence the behavior is undefined. footnote Thus sequences of characters that resemble escape sequences.. is the appearance of the character in an h char sequence. footnote Thus a sequence of characters that resembles an escape sequence..
Is the comma in a variable list a sequence point? http://stackoverflow.com/questions/6414030/is-the-comma-in-a-variable-list-a-sequence-point by itself. Which is even additionally explained in a footnote as A declaration with several declarators is usually equivalent..
Is local static variable initialization thread-safe in C++11? http://stackoverflow.com/questions/8102125/is-local-static-variable-initialization-thread-safe-in-c11 wait for completion of the initialization. Then there's a footnote The implementation must not introduce any deadlock around execution..
What are the stages of compilation of a C++ program? http://stackoverflow.com/questions/8833524/what-are-the-stages-of-compilation-of-a-c-program of translation is specified by the following phases see footnote . Physical source file characters are mapped in an implementation.. needed for execution in its execution environment. footnote Implementations must behave as if these separate phases occur..
Is it undefined behavior to form a pointer range from a stack address? http://stackoverflow.com/questions/9114657/is-it-undefined-behavior-to-form-a-pointer-range-from-a-stack-address Safely derived pointers there is a footnote This section does not impose restrictions on dereferencing pointers..
union for uint32_t and uint8_t[4] undefined behavior? http://stackoverflow.com/questions/10271929/union-for-uint32-t-and-uint8-t4-undefined-behavior union type can only contain one member at a time. C 11 Footnote 46 page 42 c c unions strict aliasing type punning share..
Efficient unsigned-to-signed cast avoiding implementation-defined behavior http://stackoverflow.com/questions/13150449/efficient-unsigned-to-signed-cast-avoiding-implementation-defined-behavior and signed magnitude representations for integral types. Footnote 44 defines pure binary numeration system A positional representation..
Could a C++ implementation, in theory, parallelise the evaluation of two function arguments? http://stackoverflow.com/questions/13443532/could-a-c-implementation-in-theory-parallelise-the-evaluation-of-two-functio with respect to the execution of the called function Footnote In other words function executions do not interleave with each..
Does initialization entail lvalue-to-rvalue conversion? Is `int x = x;` UB? http://stackoverflow.com/questions/14935722/does-initialization-entail-lvalue-to-rvalue-conversion-is-int-x-x-ub bound to a reference the result is an unspecified value. Footnote The value may be different each time the lvalue to rvalue conversion..
c++ using declaration, scope and access control http://stackoverflow.com/questions/2084801/c-using-declaration-scope-and-access-control to be equivalent to the declaration using qualified id Footnote Access declarations are deprecated member using declarations..
http://stackoverflow.com/questions/2432669/test-if-a-number-is-fibonacci
FAQ: Why does dynamic_cast only work if a class has at least 1 virtual method? http://stackoverflow.com/questions/4227328/faq-why-does-dynamic-cast-only-work-if-a-class-has-at-least-1-virtual-method to the base class. In fact you probably should anyway See Footnote . Else if you try to delete a B object through an A pointer.. Undefined Behavior . class A public virtual ~A et voila Footnote There are exceptions to the rule about needing a virtual destructor..
http://stackoverflow.com/questions/4897844/is-sizeofbool-defined bool and sizeof wchar_t are implementation defined. 69 Footnote 69 sizeof bool is not required to be 1. share improve this..
http://stackoverflow.com/questions/5834520/c-function-pointers void or returning an object type other than an array type Footnote 77 Most often this is the result of converting an identifier..
Is short-circuiting boolean operators mandated in C/C++? And evaluation order? http://stackoverflow.com/questions/628526/is-short-circuiting-boolean-operators-mandated-in-c-c-and-evaluation-order does NOT apply to types that overload operators and . Footnote 12 The operators indicated in this paragraph are the built in..
How would you implement a basic event-loop? http://stackoverflow.com/questions/658403/how-would-you-implement-a-basic-event-loop Answers are appreciated in Python and or C . Thanks. Footnote For the sake of learning I will implement my own signals slots..
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