Advertisements Here is Define.c #include "Define.h" // statement1 Format date_format = { "YYMMDD", "%02u%02u%02u", 6, 3 }; // Either above statement 1 or below statement2 // statement2 Format date_format; strcpy(date_format.format, "YYMMDD"); // line2 strcpy(date_format.scanformat, "%02u%02u%02u"); // line3 date_format.scansize = 3; // line4 date_format.printsize = 6; // line5 Here is Define.h #ifndef _DEFINE_H #define _DEFINE_H typedef… Read More What are the difference between Initialization and Assignment wrt (1) compilation and runtime (2) Global scope and Local scope (3) Syntax style in C

Advertisements I am studying initialization in C++. In this proof of concept. I don’t understand compiler’s advice. (I already know that declaring a variable inside a cin is not the easy and natural (not even perhaps legal or even apropiate) way. Would be easy to just declare it outside before and no problem. But i… Read More Studying initialization in C++: what does "error: expected '(' for function-style cast or type construction" means in this case?

Advertisements I am currently going through and linting a lot of old code at a company that has been around a while. We have recently been having issues with uninitialized C++ members having garbage data, which is one reason for the housekeeping. Unfortunately with all the updates to C++ over the years there are a… Read More Question on odd use of brace initializers for arrays in C++

Advertisements I know the System.in.read() method doesn’t have much use, but I’m confused as to why it has to be in the while statement for the following code to work. I’m trying to take character input from the method and add it to a string. When the enter key is pressed, it stops taking input… Read More Why does this code only work properly if the method is in a while loop condition? (Java)

Advertisements I have this Problem when I start my Backend, I want to test the post request in Postmann but I have this error, how can I fix it? this is my Server . j s >Solution : The app variable is used before you declare it. Move your const app = express(); upward. Like… Read More ReferenceError: Cannot access 'app' before initialization

Advertisements I am very new to C++ and I am wondering if I can do the following, int a =5; int b[a]; If so, what would happen if value of a changed? and any drawback using this. If not,why it that? thanks! I tried the same code on an online c++ compiler and it does… Read More A quick c++ array initialization question using non const variable

Advertisements Is it possible to initialize a swift struct without any values? To summarize the idea, I’m creating a struct with two attributes, those attributes were filled when I called the init() method, as it should, but the problem is, I have a function inside this struct and I need to use it, in some… Read More Empty initializer for swift structures

Advertisements I have faced with a strange behavior in c#. I created a int[][] array like this: int[][] m_dist = Enumerable.Repeat(Enumerable.Repeat(-1, m.Length).ToArray(), m.Length).ToArray(); Array looks like this: -1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1, Later on when I tried to modify a single array element I was supraised because not only one item was changed but… Read More Why the indexing affects a complete array instead of one item ? (c#)

Advertisements Let’s say I have a function that returns an object: public object toto() {} Or in python: def toto(): return "something" I want to initialize a list of n elements in a very simple way, in Python I would do: l = [toto() for i in range(1, n+1)] Is there a simple, similar way,… Read More Can I initialize a list from an expression in a simple way, similar to Python?

Advertisements I’m trying to make a Discord bot, one of its features is that it plays chess, at the start of the command, I read the JSON file, then check if it’s undefined since I’ll call a key from the object, so just in case it doesn’t exist already, I’ll create the data needed Problem… Read More Variable throws initialization error after initializing it