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Consider the following code: #include <stdio.h> int main() { int a = 5; int b; ++*(&b + 1); printf("%d\n", a); return 0; } The output is as expected: 6 ...
I once wrote this post here: Why can't we mix increment operators like i++ with other operators? When using Codidact search looking for that post, I tried to type i++ in the search but it didn't l...
When reading posts at programming sites such as this one, I frequently encounter people saying things like: "There is no pass-by-reference in C, everything is passed by value." People claiming su...
Note: some of these points are relevant for all communities, but I would like to focus on Software Development for now I am thinking of promoting Software Codidact, but I could not find a single p...
As with most everything in engineering, how much call arguments to a subroutine should be validated is a tradeoff. There is no single universal right answer. Note that checking for null pointers ...
It would seem that the C standard library is a collection of diverse functions that pretty much just ended up in the standard by tradition or "accident", rather than through some careful plan or ra...
This can depend on both your flavor of SQL and your personal preference - I've seen a number of schemes in use. For MySQL, the most common scheme I've seen used (and the scheme that my editor uses ...
As we start on building a new community here together, we're bound to find some sticking points. Those might be bugs, new features you need, things you need support with... whatever they are, the C...
When I want to print a number or a string, I can use f-strings (Python >= 3.6) or str.format, and I can use just the variable between braces, or use format specifiers. Ex: num, text = 10, 'abc' ...
I think these kinds of questions are fine, but I am just one person. open source product I have been using appears to be poorly-documented is an extremely common problem. I have actually seen the p...
SIGSEGV is defined in the C header signal.h. To generate the signal, it should be sufficient to just do raise(SIGSEGV);. As far as I know, this is well-defined behavior.
To whether the tag is useful: no. It's useful for tagging people ("this person does frontend and backend") but not questions. I don't see the point of adding "do not use": just delete the tag, whi...
It is possible to create a new formatter class by subclassing string.Formatter class and then to use it like myformatter.format("{foo:customformat}", foo=foo). It's not super-convenient though, and...
Your code is correct. You have declared your variable as an array, and you are successfully appending to it. To display all of the elements of your variable, try echo "${my_array[@]}". (Another an...
First of all, let's understand why your regex didn't work. The first part is \w+\.\s, which is "one or more alpha-numeric characters" (\w+), followed by a dot and a space (\.\s). If the regex was ...
In Bash, IFS is an internal variable and it stands for "Internal Field Separator" <- according to this link, it "determines how Bash recognizes fields, or word boundaries, when it interprets cha...
As you have worded it, for most open source project, particularly small ones, I would say "yes", it is "wrong" to demand features. Or rather, it's extremely rude. Most of the time open source soft...
Speaking personally (not as a Codidact admin): One low-key way to promote this community there is to cite it in answers. If you see a question there that you want to answer, see if it's here too....
From simple subtyping concerns, you want the arguments of your methods to be as abstract/imprecise as possible while still allowing you to efficiently accomplish your goals. This allows your method...
I respect Alexei for opening a discussion on this, and Lundin for providing hard-won real world experience. I would like to put in a "pro", on the grounds that "I read this book and I'm a better p...
Grouping related items into modules is of course generally good practice, but it serves a practical purpose as well. The important part here is the #[cfg(test)] annotation. The #[cfg(test)] anno...
What does it mean that we can use memcmp(3) on invalid values? ISO C allows comparing an invalid value through memcmp(3), because it doesn't read the value, but rather its representation, and "rea...
There are many ways to do it, it depends on what data you already have and/or the Java version. I have only the year's numeric value If you already have a value as a number (int or long), and i...
It is, as you said, an operator so it doesn't make any sense to place a comma somewhere between the operator and the two operands. The first operand is the template string, and the second operand ...
Never Too Late Due to, shall we say, recent AI-related hallucinations, pretty much everything that was possible PR-wise in 2019 is possible for this site again. People are leaving Stack Overflow a...
