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How many levels of pointers can we have?
...eclarators (in any combinations) modifying an
arithmetic, structure, union, or void type in a declaration
The upper limit is implementation specific.
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Optimal way to concatenate/aggregate strings
...r,
NameCount
FROM Partitioned
WHERE NameNumber = 1
UNION ALL
SELECT
P.ID,
CAST(C.FullName + ', ' + P.Name AS nvarchar),
P.Name,
P.NameNumber,
P.NameCount
FROM Partitioned AS P
INNER JOIN Concatenated AS C
...
Is there a way to do method overloading in TypeScript?
...ally achieve the same thing with optional, or default parameters - or with union types, or with a bit of object-orientation.
The Actual Question
The actual question asks for an overload of:
someMethod(stringParameter: string): void {
someMethod(numberParameter: number, stringParameter: string): ...
What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
...have a problem with the whole concept: those are visual representations of union, intersect, except, etc. They have no visual representation of projection therefore cannot be joins. I think it will confuse more than benefit when the context is joins.
– onedaywhen
...
Multi-statement Table Valued Function vs Inline Table Valued Function
... you pass as a "Company Number". Normally, you could create a view with a union all then filter by company number but I found that sometimes sql server pulls back the entire union and is not smart enough to call the one select. A table function can have logic to choose the source.
...
How do I get SUM function in MySQL to return '0' if no values are found?
...as expected_sum,
COALESCE(SUM(val), 0) as actual_sum
FROM foo
UNION ALL
SELECT 'bar' as table_name,
'all non-null' as description,
21 as expected_sum,
COALESCE(SUM(val), 0) as actual_sum
FROM bar
UNION ALL
S...
Type definition in object literal in TypeScript
...ally need a type that you can be lazily initialized: Mark it is a nullable union type (null or Type). The type system will prevent you from using it without first ensuring it has a value.
In tsconfig.json, make sure you enable strict null checks:
"strictNullChecks": true
Then use this pattern an...
TypeScript function overloading
... TypeScript 1.4, you can typically remove the need for an overload using a union type. The above example can be better expressed using:
myMethod(a: string | number, b?: string) {
alert(a.toString());
}
The type of a is "either string or number".
...
Why was the switch statement designed to need a break?
...
2. Antipatterns: Doesn't provide "clean" tagged unions, one of the two fundamental data-representation idioms of assembly. (Knuth, vol 1, ch 2) Instead, "untagged unions," a non-idiomatic hack. This choice has hobbled the way people think of data for decades. And NUL-termi...
What are the differences between struct and class in C++?
...ate by
default. Members of a class defined
with the keywords struct or union
are public by default.
Additional difference: the keyword class can be used to declare template parameters, while the struct keyword cannot be so used.
...