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Struct inheritance in C++
... important distinction, since for example, only POD structs can be part of unions.
– camh
Jun 11 '09 at 7:00
9
...
what is the unsigned datatype?
...lex
— long double _Complex
— atomic type specifier
— struct or union specifier
— enum specifier
— typedef name
So in case of unsigned int we can either write unsigned or unsigned int, or if we are feeling crazy, int unsigned. The latter since the standard is stupid enough to ...
What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
...eturns the intersection (white part of the diagram) or the rest of the A-B union (green). It would be more to the point without any set operands and with only 1 color.
– xealits
Jan 30 '18 at 11:41
...
What is the type of lambda when deduced with “auto” in C++11?
...on (which is also the type of the closure object) is a unique, unnamed non-union class type — called the closure type — whose properties are described below. This class type is not an aggregate (8.5.1). The closure type is declared in the smallest block scope, class scope, or namespace scope tha...
What do single quotes do in C++ when used on multiple characters?
...EX) ((x&(0xff<<8*BYTEX))>>(8*BYTEX))
struct Multibyte
{
union{
int val ;
char vals[4];
};
Multibyte() : val(0) { }
Multibyte( int in )
{
vals[0] = MASK(in,3);
vals[1] = MASK(in,2);
vals[2] = MASK(in,1);
vals[3] = MASK(in,0);
}
char operator[]( ...
omp parallel vs. omp parallel for
...worksharing construct
and no other statements. Permitted clauses are the union of the clauses
allowed for the parallel and worksharing contructs.
Taken from http://www.openmp.org/mp-documents/OpenMP3.0-SummarySpec.pdf
The specs for OpenMP are here:
https://openmp.org/specifications/
...
Java generics type erasure: when and what happens?
...s (Java Reference Types which are subtypeable, Any Type in many languages, Union Types).
The reason for type erasure is that programs get transformed to a language which is in some kind uni-typed (binary language only allowing bits) as types are abstractions only and assert a structure for its value...
Equals(=) vs. LIKE
...perations
MAX, MIN, DISTINCT, references to a grouping column, and the
UNION, EXCEPT, and INTERSECT operators refer to character
strings, the specific value selected by these operations from
a set of such equal values is implementation-dependent.
(Emphasis added.)
What does this mean? It ...
How to return result of a SELECT inside a function in PostgreSQL?
...hink you need a RETURN; before that END;, at least I did - but I'm doing a UNION so I'm not sure if that makes it different.
– yekta
Sep 4 '13 at 15:08
...
C char array initialization
...y way at any time in the program, provided they are members of a struct or union.
Example program:
#include <stdio.h>
struct ccont
{
char array[32];
};
struct icont
{
int array[32];
};
int main()
{
int cnt;
char carray[32] = { 'A', 66, 6*11+1 }; // 'A', 'B', 'C', '\0', '\0', ....