What is a constant reference? (not a reference to a constant)
By "constant reference" I am guessing you really mean "reference to constant data". Pointers on the other hand, can be a constant pointer (the pointer itself is constant, not the data it points …
python - When is a variable considered constant in terms of PEP8 …
Python doesn't have constants. As you noted, the PEP8 style is simply just that: a style. Python doesn't enforce constant-ness on any variable. Which means any variable you want can be …
Terraform convention: Should I declare a "constant" as a variable …
Jun 18, 2020 · That includes constant values, in situations where it's productive to factor them out e.g. because you expect them to change in future and want to change only in one place, or …
Java switch statement: Constant expression required, but it IS …
1 - The constant expression restrictions can be summarized as follows. Constant expressions a) can use primitive types and String only, b) allow primaries that are literals (apart from null) and …
How to declare a constant in Java? - Stack Overflow
Oct 9, 2012 · indeed, it isn't compile-time constant. However, the definition "In computer programming, a constant is a value that cannot be altered by the program during normal …
Is there a way to make a TSQL variable constant?
DECLARE @Constant INT = 123; SELECT * FROM [some_relation] WHERE [some_attribute] = @Constant OPTION( OPTIMIZE FOR (@Constant = 123)) This tells the query compiler to …
Constant DateTime in C# - Stack Overflow
Jan 1, 2011 · I would like to put a constant date time in an attribute parameter, how do i make a constant datetime? It's related to a ValidationAttribute of the EntLib Validation Application …
How to use the PI constant in C++ - Stack Overflow
Nov 13, 2009 · I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include <math.h>. However, there doesn't seem to be …
.net - C# naming convention for constants? - Stack Overflow
Oct 28, 2008 · The IDEs of today catch a lot of problems before compilation. I don't think recognizing constant by name is important, otherwise shouldn't you add some special name …
go - Declare a constant array - Stack Overflow
Mar 31, 2015 · A Constant expression (which is used to initialize a constant) may contain only constant operands and are evaluated at compile time. The specification lists the different types …