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Here I used asterisk after Node. Actually, why asterisk used for? What if I don't put any asterisk after Node (Both Node are structure). It's a pointer. A pointer, like its name implies, poin...
Several months ago we asked for temporary moderators for this community and two people stepped up. One of them later had to step back, leaving Alexei as a sole moderator. Alexei is doing a great ...
I'm using an object-oriented design for my C project and trying to implement classes with private encapsulation. How do I do this? Some things I've tried that are problematic: Using a struct f...
Instead of sh, use shell or console. So this: ```shell # echo hi ``` ```console # echo hi ``` Is rendered as: # echo hi # echo hi While this: ```bash # echo hi ``` ```sh #...
While any piece of software receiving input from an untrusted source is additional attack surface, generally speaking git pull is not a security threat. Three things happen when you git pull: a gi...
Tldr; I don't need to parse HTML, but I need to check if user submitted input conforms to a very strict subset of HTML. Can regex be a suitable tool for this? Details I have a frontend sanitiser th...
I assume "help my code isn't working"/troubleshooting posts - which make up much of SO questions - are allowed. However from reading the FAQ, it's not obvious to me that they are. The "on topic" bu...
Yes Questions about troubleshooting your non-working code are on-topic, provided that you include enough information for the community to understand the context (SO names this minimal reproducible...
I'm working on an API to respond some data about a bunch of orders and items. The order and item numbers are always an integer (it's the order.id and item.id value, respectively). Originally the re...
Generally speaking, if two groups of people collaborate on the same software, I'd recommend they put everything in a shared git repository: Documentation is intimately tied to the version of the ...
I have created this sensational program: #include <stdio.h> int* func (void) { int local=5; return &local; } int main (void) { printf("%d\n", *func()); } This prints 5 even thoug...
While Lundin has written a reasonably complete answer, I think it suffers a bit from the expert view: conflating core issues with implementation details related to modern hardware architecture. I'd...
This goes back to the various CPU architecture "wars" in the 1970s-1980s between the competitors Intel and Motorola (for example Intel 8086 vs Motorola 68000). For various reasons, CPUs from these ...
I have a large and complex PostgreSQL SELECT query that I would like to make faster. EXPLAIN suggests it should run quickly, with the worst parts being scans of a few thousand rows. When run, it do...
Background Many Python programs now recommend installing with pipx, and there is a sense that you shouldn't install with pip anymore, you should use tools like pipx. Main Question However, what ...
Well, to start, it is not an alternative to pip. It's built on top of pip and exclusively deals with applications. pip is more of a development tool, while pipx is aimed at end-users (who may also ...
How do I clone the repository with only part of the history? For example, let's say I want to download only the last 5 commits out of thousands.
How do I clone the repository with only part of the history? It depends on what part you want. It's possible to have shallow clones (which is exactly what you need, only a part of the commit h...
While other JVM languages, such as Groovy, Kotlin and Scala have Python-like import aliasing, Java does not. It's not possible to 're-name' imports, however, when you call a class from a package, ...
This question featured a quite heated discussion in the comments which led to some of them being removed. This action was discussed here and I have realized that our community lacks a guide about p...
You cannot set text-align on a column element (Well, you can, but it won't have any effect) There are only a couple of properties that have an effect, namely border, background, width, and visibi...
What you're asking is a very broad topic, and it'd require entire books to cover everything. For the sake of simplicify, I'll just stick to the basics. Inheritance Inheritance can be explai...
C programs are executed from top to bottom. You can't declare a VLA with an uninitialized variable as its size parameter. For the same reason at you can't do this: int x; printf("%d\n",x); scanf...
I looked at your answer and those comments, skimmed the Wikipedia page, and I do not see direct copies. OOP is a fundamental topic, widely taught and widely written about. It's not surprising to ...
When you do x=y=z=[], you're making x, y and z point to the same list. Example: x=y=z=[] # add element to x x.append(1) # add element to y y.append(2) # but x, y and z all point to the same l...
