So I am referencing a number of dates (as strings) throughout my code, and I am worried that in the future if I change this string date in one place I may forget to change it in all the places. I would like to create some kind of constant, so that when I change it… Read More How can I create a list of constants so that if I change the constant in one place it will change everywhere it is referenced?

I have been trying to make the text from a raw github file test if the text is also the same as put in the if statement. It doesn’t seem to work and the code runs the code in the if statement no matter what. var current_version = "b-1" const url = ‘https://raw.githubusercontent.com/MythicalTrashcan/MY-Javascript-Bookmarklets/main/Version%20ID’ const version… Read More How to make a const value work in this if-statement

I wrote a simple class constructor with one argument of enum type. enum Kind { One, Two }; class KindClass { private: Kind fKind; public: explicit KindClass(Kind kind) : fKind(kind) {} }; Then make a global constant of it and it work. static const KindClass globalKindClass(One); But when making const field of it compile failed… Read More Why calling constructor with enum argument failed while using it as class field?

I want to get in print A2. What is the best way to do that? (for any numbers and types of constants): VAR1=1 VAR2=2 def choose_var(variation): if variation == 1: VAR1 = "A" VAR2 = 2 elif variation ==2: VAR1 = "B" VAR2 = 3 def get_some_stuff(): return str(VAR1 + VAR2) choose_var(1) print(get_some_stuff()) without passing… Read More How to set constants in module by function and use it in another function in python?

I come across the constant function lately. It says: Constant functions are those have denied permission when attempting to change the member variables of their classes. My questions are In a programmer perspective, if you don’t want a function being able to change member variables, why not just moving the parts responsible for changing variables… Read More When and why would I use a constant function in C++

I’m currently learning c++ and in inheritance. I have an issue concerning use of const. Here’s the code : #include <iostream> using namespace std; class Base { public : virtual void pol() const { cout<< " Base "; } }; class Derived : virtual public Base { public: void pol( ) { cout<< "derived"; }… Read More C++ Inheritance and use of Const

I’m making a word game program which has a dictionary of words in a text file. I need to run 2 methods through the dictionary in a single run by having a user choose options 1 and 2, then 3 to close. I need to make the dictionary a constant called DICTIONARY which is new… Read More How can I create and populate a constant from a file?

So I’m trying to write my own array template and everything works until i try to create a const object of my class template. in main.cpp I create the object with the copy contructor and I change it which I would expect to not work but it works. Help would be appreciated 😀 main.cpp #… Read More I can change the values even when I use const word with my own array class template

I tried defining a const by typing in const loinc = "http://loinc.org&quot;; After pushing my code, the build fails and I get this error: illegal start of expression List<ObservationComponentComponent> listComponent = new ArrayList<>(); // loop through the different types in array for (int i = 0; i < body.length; i++) { DeviceBloodPressureBody curBody = body[i];… Read More Define a constant instead of duplicating "http://loinc.org" 3 times

In the following code snippet: 1 const GetErrors = async (projectScanID: number, projectName: string) => { 2 try { 3 console.log("fetching errors") 4 const errorsFetch = await fetchErrors(projectScanID); 5 console.log("errorsfetch:", errorsFetch) 6 await setErrors(errorsFetch); 7 console.log("errors", errors) 8 setIsErrorsFetchComplete(true); 9 console.log("errors: ", errors) 10 } 11 catch(e) { 12 enqueueSnackbar(`Could not load errors! Error: ${e}`,… Read More Why is the return value of a Promise undefined when the value inside the Promise is defined?