c# - Declare a const array - Stack Overflow
Feb 28, 2011 · It is possible to declare a constant array; the problem is initializing it with a constant value. The only working example that comes to mind is const int[] a = null; which is …
what is the best way to define constant variables python 3
I am writing a program in python which contains many constant variables. I would like to create a file that will hold all these variables like the .h file in C that contains many #define. I tried t...
.net - C# naming convention for constants? - Stack Overflow
Oct 28, 2008 · The recommended naming and capitalization convention is to use P ascal C asing for constants (Microsoft has a tool named StyleCop that documents all the preferred …
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 …
What's the difference between constexpr and const?
Jan 2, 2013 · What's the difference between constexpr and const? When can I use only one of them? When can I use both and how should I choose one?
Is there a way to define a named constant in a PostgreSQL query?
Nov 9, 2012 · 11 In addition to the sensible options Gordon and Erwin already mentioned (temp tables, constant-returning functions, CTEs, etc), you can also (ab)use the PostgreSQL GUC …
Is there a way to make a TSQL variable constant?
Aug 25, 2008 · DECLARE @Constant INT = 123; SELECT * FROM [some_relation] WHERE [some_attribute] = @Constant OPTION( OPTIMIZE FOR (@Constant = 123)) This tells the …
What is the difference between static const and const?
Jul 14, 2018 · What is the difference between static const and const? For example: static const int a=5; const int i=5; Is there any difference between them? When would you use one over the …
.net - Creating a constant Dictionary in C# - Stack Overflow
Creating a truly compile-time generated constant dictionary in C# is not really a straightforward task. Actually, none of the answers here really achieve that. There is one solution though …
Add column to dataframe with constant value - Stack Overflow
Apr 8, 2015 · To assign a constant column of a specific , you can write something like: df[name] = pd.Series(0, index=df.index, dtype='Int8') In this example, we create a pandas Series around …