How to keep one variable constant with other one changing with row …
207 Lets say I have one cell A1, which I want to keep constant in a calculation. For example, I want to calculate a value like this: =(B1+4)/(A1) How do I make it so that if I drag that cell to make a …
Java switch statement: Constant expression required, but it IS constant
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 constant …
What are magic numbers and why do some consider them bad?
Symbolic Constant: When to replace? Magic: Unknown semantic Symbolic Constant -> Provides both correct semantic and correct context for use Semantic: The meaning or purpose of a thing. "Create a …
Why can I change a constant object in JavaScript?
A constant array only means that the value of the pointer will not change - but in fact the data contained at that address is free to. In javascript, you are allowed to call methods of constant objects (of course …
How to declare a class instance as a constant in C#?
50 Constants have to be compile time constant, and the compiler can't evaluate your constructor at compile time. Use readonly and a static.
how to define a constant array in c/c++? - Stack Overflow
How to define constant 1 or 2 dimensional array in C/C++? I deal with embedded platform (Xilinx EDK), so the resources are limited. I'd like to write in third-party header file something like #de...
Are constant C expressions evaluated at compile time or at runtime?
A constant expression can be evaluated during translation rather than runtime, and accordingly may be used in any place that a constant may be. Constraints Constant expressions shall not contain …
What does the PHP error message "Use of undefined constant" mean ...
Using a constant that's not defined in this version of PHP, or is defined in an extension that's not installed There are some system-defined constants that only exist in newer versions of PHP, for …
How can you define a static data member of type const std::string?
Inside class definitions you can only declare static members. They have to be defined outside of the class. For compile-time integral constants the standard makes the exception that you can "initialize" …
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 a definition for …