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Best ruby idiom for "nil or zero"

C# okay with comparing value types to null

c# null

Does assigning objects to null in Java impact garbage collection?

string.Empty vs null.Which one do you use?

c# .net null string

Check if returned value is not null and if so assign it, in one line, with one method call

SQL Server String Concatenation with Null

Should the hash code of null always be zero, in .NET

c# .net hash null

Null parameter checking in C#

c# function null

C# code won't compile. No implicit conversion between null and int [duplicate]

c# string null nullable

switch with var/null strange behavior

null vs empty string in Oracle [duplicate]

oracle null oracle10g string

What is the use of adding a null key or value to a HashMap in Java?

java null hashmap key

Is it still safe to delete nullptr in c++0x?

Difference between NULL and null in PHP

php null

Is there a Ruby, or Ruby-ism for not_nil? opposite of nil? method?

ruby-on-rails ruby null

Nullable types: better way to check for null or zero in c#

c# null zero

Using Thymeleaf when the value is null

html null thymeleaf

Should JSON include null values [closed]

javascript json null undefined

Rails: Order with nulls last

Best way to check if an PowerShell Object exist?