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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...
I have a parent div with two child divs. I want the parent div and the child divs to have a blue background color when it's hovered. But the child divs doesn't inherit the background color. It is o...
I wouldn't use grep. As the other answers already said, it's not the right tool for this job. Considering your specific case (fields separated by /), basename is the most straighforward way, as st...
I think I found a solution myself. Instead of using the between() function, you can use the gte() (greater than or equal to) function. So the command above would be: ffmpeg -i video.mp4 -vf "yadif...
Software Development Codidact is currently set to "New Site Mode". When we first launch a community, we've been launching with adjusted settings that make it easier to earn certain Abilities. On...
What exactly is the Python Global Interpreter Lock (GIL)? As someone who is relatively new to Python, is this something I need to be aware of, or is this just some implementation detail of the inte...
Mathematically, the purpose of a function is to return an output. However, in a programming context functions often have side effects. It is even common to call functions for the side effects alone...
To add to the excellent explanation by FractionalRadix, it's worth mentioning that sometimes the line between expressions and statements can seem a little blurry (at least to the observer — the lan...
The map operation is a typical concept from the functional programming paradigm. However, side-effects are a typical example of something that does not fit functional programming well. As a resul...
I think the framing of this question (and the prior discussion) is wrong, and I think that conditions have evolved since it was originally asked - in particular, we can now see how articles have tu...
Let's say we have an object, we store it in a union (into some other narrower type, but with memcpy(3), so it's allowed --I guess--), and then read it from the union via it's original type (so no a...
The proposed library would sit alongside cross-platform libraries in Xamarin apps for iOS and Android. However, it would include files with names like MyLibraryFile.android.cs MyLibraryFile.ios...
We have recently received a search engine optimization (SEO) question. Our scope currently does not explicitly include or exclude such questions, so I thought we should clarify this. Possible opt...
The expectation for all posts is, that a post is always understood as the own work of the poster, who has the copyright and responsibility for it and offers it to the site according to the site's c...
char *p, *q; p = malloc(1); free(p); q = p; // lvalue conversion Is the last lvalue conversion (= p;) Undefined Behavior or not? We didn't take the address of the local p. C11::6.3.2.1...
A single element tuple has a trailing comma Note that the example in the question does not form a tuple, as there is a special syntax for single element tuples. A single element tuple has a traili...
My initial approach would be to increase n by 1 (thus shifting the original range from -1..+1 to 0..+2), turn that range into 0..+1, and then simply map from that to your 0..+319 output range. flo...
You could trivially create a view that wraps the media table and includes a column that indicates if the media entry has more than one file associated with it. CREATE VIEW IF NOT EXISTS "media_rea...
This is a good question. It depends on how much this site is about getting language X to do Y versus the higher level concepts of software design and computer science that should largely transcend...
Since the Vector3 constructor accepts separate X, Y and Z coordinates, if you want to randomise each one individually, you would need to call the Random.Range for each coordinate, e.g. Vector3 spa...
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...
As far as I can tell, it is in part determined by the HTML spec's History API1, specifically the value of history.scrollRestoration. Quoting the HTML spec's scroll restoration mode paragraph: ...
This question probably stems from misunderstanding what case sensitivity is. Being case insensitive does not mean only allowing one case - in fact, it implies the opposite! If one case was treated ...
Some development tools provide an error message when a user tries to import two things (classes, packages) with the same name. Some programming languages offer a syntax to import one of those thing...
I'm completing the rustlings exercises as part of self-teaching Rust. While working on the third iterators exercise, I solved the exercise but don't quite understand why my solution works. Specifi...
