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Naming convention - underscore in C++ and C# variables
... It is safe and legal in functions, function prototypes, classes, structs, unions, enums and everything you put in a namespace. If you follow the common practice of putting all your code in namespaces then you are completely safe.
– tukra
Nov 23 '16 at 14:58
...
Resolving ambiguous overload on function pointer and std::function for a lambda using +
...da]/3
The type of the lambda-expression [...] is a unique, unnamed non-union class type — called the closure type — whose properties are described below.
[expr.prim.lambda]/6
The closure type for a lambda-expression with no lambda-capture has a public non-virtual non-explicit const con...
Search an Oracle database for tables with specific column names?
...S SCHEMA_NAME
,TABLE_NAME
FROM SCHEMA1.COLS
WHERE COLUMN_NAME LIKE '%ID%'
UNION
SELECT DISTINCT
'SCHEMA2' AS SCHEMA_NAME
,TABLE_NAME
FROM SCHEMA2.COLS
WHERE COLUMN_NAME LIKE '%ID%'
share
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impr...
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 use QueryPerformanceCounter?
...HighPart and a LowPart. If the system does support 64 bit ints then it's a union between the 2 32 bit ints and a 64 bit int called the QuadPart.
– Ramónster
Nov 15 '09 at 23:28
8
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Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
...e possible types and the caller might need to cast it or extract it from a union.
So the deepest cause is probably the C language creators' belief that procedures that do not return any value are just an unimportant special case of functions that do; this problem got aggravated by the lack of focus...
Constructor overload in TypeScript
...
I know this is an old question, but new in 1.4 is union types; use these for all function overloads (including constructors). Example:
class foo {
private _name: any;
constructor(name: string | number) {
this._name = name;
}
}
var f1 = new foo("bar");
va...
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
...
How to organize a node app that uses sequelize?
...t. And where ordinarily you would use select from two or more tables, or a union in pure SQL, you would have to run separate queries, and with the async nature of Node it's just added complexity.
Therefore I moved away from using Sequelize. Moreover I am switching from using ANY data fetching from...
Can enums be subclassed to add new elements?
... no.
As an example of a real problem take weekdays, weekend days and, the union, days of week. We could define all days within days-of-week but then we would not be able to represent properties special to either weekdays and weekend-days.
What we could do, is have three enum types with a mapping b...