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  1. ruby on rails - uninitialized constant ActiveSupport ...

    16 jan. 2025 · Many of the answers have suggested pinning concurrent_ruby to 1.3.4, but I believe that's misunderstanding the problem. There's no problem in concurrent-ruby, this issue is actually in …

  2. How to keep one variable constant with other one changing with row in ...

    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 …

  3. c++ - What is the difference between const int*, const int * const, and ...

    17 jul. 2009 · Exception, a starting const applies to what follows. const int* is the same as int const* and means "pointer to constant int". const int* const is the same as int const* const and means "constant …

  4. 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 treat the variable as if it …

  5. How do I create a constant in Python? - Stack Overflow

    21 apr. 2010 · How do I declare a constant in Python? In Java, we do: public static final String CONST_NAME = "Name";

  6. .net - C# naming convention for constants? - Stack Overflow

    28 okt. 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 for readonly variables …

  7. How to declare a constant in Java? - Stack Overflow

    9 okt. 2012 · We always write: public static final int A = 0; Question: Is static final the only way to declare a constant in a class? If I write public final int A = 0; instead, is A still a constant or...

  8. c - Error "initializer element is not constant" when trying to ...

    Moreover, in C language, the term "constant" refers to literal constants (like 1, 'a', 0xFF and so on), enum members, and results of such operators as sizeof. Const-qualified objects (of any type) are not …

  9. c++ - error C2059: syntax error : 'constant' - Stack Overflow

    9 mei 2012 · The error reported is error C2059: syntax error : 'constant' (followed by error C2258: illegal pure syntax, must be '= 0' and error C4430: missing type specifier - int assumed.

  10. python - Make a constant column in Polars - Stack Overflow

    26 mrt. 2022 · Make a constant column in Polars Asked 3 years, 9 months ago Modified 2 months ago Viewed 14k times