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Posts by Lundin
C++ doesn't have error codes/exit codes other than return 0; / EXIT_SUCCESS / EXIT_FAILURE. The code you are getting is from the OS when your program crashes from a run-time error. -1073740940 is ...
Purpose and use X macros is a design pattern used for the purpose of centralizing data & code maintenance to a single point in the program. Instead of maintaining code based on some data set i...
The atoi family of functions should never be used for any purpose - they are broken by design. The reason why can be found in the C standard C23 7.24.1: The functions atof, atoi, atol, and atol...
The main difference between Stack Exchange and Codidact is that SE loves to spawn off hundreds of sites with lots of overlapping scopes, whereas Codiact has the category system, which means that co...
Code review part: Design (important!) Global variables/external linkage are to be avoided (Why is global evil?). You don't actually have private encapsulation in this code since the inte...
Simply put: parenthesis are used whenever we suspect that there may be operator precedence issues. Either because the user passed an expression containing several operands and operators to the...
It has 2 parameters for weird historical reasons that nobody seems to know the rationale for any longer. Like most functions in the C standard library, the function API was not well-designed. Keep ...
Ok so we have fairly lax tagging rules here, as do most Codidact sites. Recently the Electrical Engineering community has started a clean-up of strange and off-topic tags. I wrote this over there: ...
I would recommend to post it anew here as a self-answered Q&A and update it if needed. You can use the "works for me" reaction to label your own answer the "official" one. As an example of how...
Since I don't think the C standard says anything explicitly about cases like this, it is probably undefined behavior, under the "not mentioned in the standard" variety. If something isn't mentioned...
The ambition of this site was always to give more room for subjective and big picture questions compared with Someplace Else. However, I believe programming language design falls under the topic of...
As someone who spent a lot of time trying to get this to work on Stack Overflow, I would advise against it. Some background story of my merry adventures with book lists: The story starts around...
These are fine, IMO: Here is my specification of what the program should do /--/. I'm stuck at x, (optionally: here is my code), where do I go from here? Is this implementation of x (code follows)...
According to Which functions in the C standard library must always be avoided?, the atoi family of functions is dangerous and should never be used for any purpose. The rationale given in the answer...
The site is called Software Development, not "Applications". Meaning programming. On-topic: Questions about different behavior of web browsers in the context of web application programming. Questi...
Syntax-wise it is a function specifier and may in theory appear everywhere where inline (or rather the syntax item function-specifier:) can appear, since the standard doesn't say otherwise. Though ...
As with anything computer science-related that dates back to the 1960s and 70s, things just happened at a whim. Everything was new and highly experimental back then. Nobody knew how to write or des...
To use the identifier Node without typing struct Node, you must use a typedef: typedef struct Node{ // this here is a stuct tag int data; struct Node* next; // this has to be struct Node...
I propose that we add the following: Off-topic Questions about code golf, programming puzzles and challenges. Please use Code Golf instead.
Many languages support the concept of functors or function objects which are classes only containing a method/member function. Most notably C++ STL was designed around this - whenever you declare ...
Bugs: int **range = 0; should be int *range; and then call the function like ft_ultimate_range(&range, min, max);. That's the whole reason the parameter is pointer-to-pointer, so that you c...
I just noticed that I'm not getting code formatting in the preview window when I write an answer or make an edit. This is very useful to have. Not sure if it's a bug so I'm posting this as a featu...
TL;DR The initialization of the variables a and b in your question are indeterminately sequenced in relation to each other. The initialization order is not guaranteed between them. The initiali...
Consider using look-up tables to increase execution speed (at the cost of some 200 bytes .rodata use). For example this: static const char specifiers[] = "diouxaefgcspAEFGX"; could be replaced wit...
On-topic questions dealing with how to write software documentation I propose that a note about tool use is added: On-topic questions dealing with how to write software documentation or how t...
