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Posts by Lundin
The topic of how to implement polymorphism in C tends to pop up now and then. Many programmers are used to OO design from higher level languages and supposedly OO is a "language-agnostic" way of pr...
A question should be closed when it cannot be meaningfully answered by someone who knows the topic. Which might indeed mean that the one(s) casting the close vote(s) would need domain knowledge. T...
The problem with undefined behavior due to array out of bounds happens whenever we use pointer arithmetic, which is only defined to work within the bounds of an array. Where plain variables, "scala...
When looking at this, we might pretty soon note that storing strings in the same buffer by using null terminators as separator is quite clunky. It blocks us from using handy functions like strtok, ...
Arguments in favour of "struct tag style": Less namespace clutter. C has a peculiar name space system where all identifiers belong to one of: labels, tags, members, ordinary. Struct tag style...
C offers two different styles when it comes to structs (and union/enum too). Either declare them using a struct tag only ("struct tag style"): struct my_type { ... }; struct my_type x; Or ...
It depends. This boils down to whether or not the expression cast to void contains any side effects, such as accessing a volatile-qualified object or modifying any object. C17 6.3.2.2: If an ex...
At some extent, you can ask about (programming-related) software recommendations if you manage to narrow down the scope to something specific. A question like "which one of compiler x and compiler ...
This scenario is not yet a problem for this site, but we will get there, since it's a huge problem for Stack Overflow: Someone just picks up a well-known programming language for the first time. T...
Performance-wise, I'd benchmark this vs if(memchr(src,'\0',n)==src+n) memcpy(dst, src, n); because it isn't obvious at least to me if that's faster or slower than your custom function. Regarding...
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...
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 ...
In addition to all the examples I gave in my answer to the linked post, all scenarios where p is a pointer to incomplete type fails. Not just the void* scenario, but also when p is a pointer to an ...
The term escape sequence apparently dates back to the telegraph and pre-computer technology, according to wikipedia: https://en.wikipedia.org/wiki/Escape_sequence. So I doubt there's an universally...
What type of questions can I ask here? has gotten rather cluttered since we have added/removed a lot of things along the way. In particular, I think it is hard to get an idea of what's on-topic by ...
I think it should be on-topic with the following distinction: On-topic Technical questions regarding to UI, including mark-up language syntax, how to set properties in RAD tools, how to use gra...
Warnings most often mean "here is a bug which will likely cause your program to crash or misbehave". They do not mean "here's something that you can optionally fix when you can spare the time". See...
https://software.codidact.com/posts/277536/278390?sort=score At the point when I'm posting, the answer by Lundin has +14 score and the answer by dmckee has +11 score. Neither has any down votes. ...
I went ahead and made a proposal on Power User that a separate category for office suites should be made. I suggest that we wait and see where that proposal lands. If a category for these question...
There are many things we label as bad when programming, for various reasons. Repeating code is slightly bad. But writing function like-macros is extremely bad. You should not try to replace someth...
I propose that the following is added: On-topic questions asking for code review that follow [the site policies for the code review category]. Where [the site policies for code reviews] is a li...
On-topic questions about SQL programming ... Off-topic questions about database administration I propose that these two are changed to clarify that we allow questions about database design an...
There is a new page What type of questions can I ask here? (found under Help -> Guidance.) I'll quote it as whole below, for convenience. Please give feedback on specific items in the list that ...
I believe the term "hook" comes from the Windows API where you can register "hooks" - callback functions - to respond to certain events, optionally replacing the original behavior. Not necessarily ...
