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Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts by Lundin‭

158 posts
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Code Reviews Pattern / architecture for interfacing with components in C

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...

posted 8mo ago by Lundin‭  ·  edited 8mo ago by Lundin‭

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Q&A When should I parenthesize macro arguments in C?

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...

posted 1y ago by Lundin‭

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Q&A Why does calloc accept 2 arguments, and with what arguments should one call it?

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 ...

posted 1y ago by Lundin‭  ·  edited 1y ago by Lundin‭

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Meta Tag creation/deletion criteria for Software Development?

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: ...

1 answer  ·  posted 1y ago by Lundin‭  ·  last activity 1y ago by Alexei‭

Question discussion tags
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Meta To transfer, or not to, that is the question: whether 'tis nobler to let it stay or to take arms against Stack Overflow's dominance of FAQ canonicals

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...

posted 1y ago by Lundin‭

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Q&A Is partial allocation of an object Undefined Behavior?

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...

posted 2y ago by Lundin‭

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Meta Are questions about web browsers on topic on Software Applications?

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...

posted 4y ago by Lundin‭  ·  edited 4y ago by Lundin‭

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Meta How does the community feel about resource requests?

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)...

posted 4y ago by Lundin‭  ·  last activity 4y ago by Lundin‭

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Meta Code formatting of previews

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...

0 answers  ·  posted 3y ago by Lundin‭  ·  edited 3y ago by Monica Cellio‭

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Meta Is software system design on topic here?

Software design in itself has always been on-topic, as per https://software.codidact.com/help/on-topic. As for system design for a given purpose, I think it is fine within reason. Contrary to popu...

posted 8mo ago by Lundin‭

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Code Reviews Trie Implementation, Graph Visualization and Auto-Completion in C

General/program design: I would have expected a public header file with the API for the whole thing, rather than having some main() test case calling static functions from the same file. Sure,...

posted 9mo ago by Lundin‭

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Meta Community feedback: What type of questions can I ask here?

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...

posted 4y ago by Lundin‭

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Q&A What is the meaning of "short circuit" operators?

It's an unfortunate analogy. Apart from being confusing, it does indeed assume some basic electronics knowledge. In electronics a short circuit (or the common jargon "a short") does not necessarily...

posted 1y ago by Lundin‭  ·  edited 1y ago by Lundin‭

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Meta What categories could we benefit from having?

Categories should be used when the posting rules for certain types of question differ. For example a debugging question posted below Q&A should have a minimal, relevant example. Whereas a code ...

posted 1y ago by Lundin‭

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Code Reviews Counting number of assignments that a `fscanf` format strings implies

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...

posted 4y ago by Lundin‭

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Q&A Static and thread_local initialization order

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...

posted 4y ago by Lundin‭  ·  edited 4y ago by Lundin‭

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Q&A Are there practical reasons for designing a method-only class/object?

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 ...

posted 3y ago by Lundin‭  ·  edited 3y ago by Lundin‭

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Q&A Why does this code that uses a pointer-to-pointer-to-int segfault?

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...

posted 3y ago by Lundin‭  ·  edited 3y ago by Lundin‭

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Q&A Strict aliasing rules and function boundaries

Assuming that there are no alignment problems between the two pointer types (impl-defined), the code is otherwise well-defined. As per the quoted 6.3.2.3 C allows pretty much any form of wild and c...

posted 2y ago by Lundin‭

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Meta Asking and answering FAQ style questions

Yes it is fine and probably encouraged even. I have written several self-answered Q&A here and they were mostly well-received. They aren't all that easy to write though, especially getting the ...

posted 2y ago by Lundin‭

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Meta Renaming GNU/Linux tag to gnu

I don't think GNU can be used as a stand-alone tag. Apart from the OS, GNU is also a tool collection of various programs, many used for programming, making is a very ambiguous tag which can't stan...

posted 2y ago by Lundin‭

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Q&A noreturn function with non-void return type

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 ...

posted 3y ago by Lundin‭

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Q&A Why object-oriented instead of class-oriented?

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...

posted 3y ago by Lundin‭

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Q&A Question regarding an error message in my compiler to do with my code on linked list.

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...

posted 3y ago by Lundin‭  ·  edited 3y ago by Lundin‭

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Meta Community feedback: What type of questions can I ask here?

I propose that we add the following: Off-topic Questions about code golf, programming puzzles and challenges. Please use Code Golf instead.

posted 3y ago by Lundin‭

Answer