Top "Null-coalescing" questions

Is there a "null coalescing" operator in JavaScript?

Is there a null coalescing operator in Javascript? For example, in C#, I can do this: String someString = null; var …

javascript operators null-coalescing-operator null-coalescing

What does a double question mark do in C#?

Possible Duplicates: ?? Null Coalescing Operator --> What does coalescing mean? What do two question marks together mean in C#? …

c# null-coalescing-operator null-coalescing

Return a default value if single row is not found

I have the following select statement to grab the next scheduled item for a stream. If there is no matching …

mysql select default fallback null-coalescing

ORACLE SQL: How do I replace NULL with 0 in a Pivot function

How can I replace NULL with 0 in a PIVOT function on ORACLE SQL? This is the query I'm trying to …

sql oracle pivot null-coalescing

Sending null parameters to Sql Server

I have a SqlCommand object that I'm using to update a database table but it doesn't interpret my null values …

c# sql sql-server null-coalescing-operator null-coalescing

C# Null coalesce with LINQ

I have 2 classes which looks like this: class Widget { string Selected { get; set; } List<Option> Options { get; set; } } …

c# linq null-coalescing

c# shorthand for if not null then assign value

Is there any shorthand in c# now that will cutdown the following code: var testVar1 = checkObject(); if (testVar1 != null) { testVar2 = …

c# shorthand null-coalescing-operator null-coalescing

Postgresql COALESCE performance problem

I have this table in Postgresql: CREATE TABLE my_table ( id bigint NOT NULL, value bigint, CONSTRAINT my_table_pkey …

postgresql coalesce null-coalescing