General Q&A about programming, scripting, software design & architecture, process, tools, testing, and more.
Most of the example code in the Zig online docs is in the form of test blocks. Sadly, this means there aren't quite enough examples of how to write functions. Given that one has a readable file, p...
How can we use git-send-email(1) to sign patches (emails) with the gpg(1) keyring? I've heard it can be done, but couldn't find anything in the git-send-email(1) documentation nor in a web search.
Problem I'm trying to update some projects from old-style .csproj: <?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.mi...
Let's consider the following code: const char a[][4] = {"aa", "aaa"}; const char *b[] = {"bb", "bbb"}; const char *const c[] = {"cc", "ccc"}; For shared libraries, both b and c arrays require...
Using Vim, I am trying to search for all instances of a specific string, except for those that fall somewhere in between two other specific strings. For example, I want to determine all instances ...
I am using linq/EF core to retrieve data via an API call. How do I sort the collection of related data for each retrieved entity? Assume the following structure: an Order is made on a certain da...
For some reason, I just wanted to undo a commit on my git repository, which I've done with the following command: git reset --soft HEAD~1 So far, so good. However, by mistake I issued the comma...
I keep getting this error: Cause: the class org.apache.tools.ant.taskdefs.optional.ssh.SSHExec was not found. This looks like one of Ant's optional components. Action: Check that the ap...
I am working with VS 2022 and trying to make a WPF MVVM application. The application updates the items displayed in the datagrid, persisting the changes to the database upon save. However, adding a...
This program creates a child process and shares two integers (base and height) through the shared memory. The parent process asks four times to insert two integers and wait for the child process t...
So im trying to do RUN update-crypto-policies --set LEGACY in my Dockerfile as I was getting an error "Failed to load certificate from file 'client-rsa.pem':''ee key too small". But when I build...
I have a Makefile in my Jenkins job's workspace, that I want to edit out certain parts from and then save it, before running next part of the script that uses this Makefile. The part that I want t...
A watertight mesh is one which does not have holes, and for which each face has a designated inside and outside. Such a mesh can be "tetrahedralized", has a defined volume, and can be an operand in...
Having recently learned about protocols in Python, I now wonder if you can write a protocol for enumerations. That is, a protocol that says that you are supposed to pass an enum that has certain it...
I am trying to understand this code: const iframes = iFrameResize( [{options}], [css selector] || [iframe] ); The code can be found in this documentation. Is [{options}] an array of objects an...
What is Backus–Naur form as applied in computer programming? From Wikipedia In computer science, Backus–Naur form (/ˌbækəs ˈnaʊər/) or Backus normal form (BNF) is a metasyntax notation for cont...
I am using MediatR in an ASP.NET Core 3.1 application and I want use a generic query and a generic request that deals with getting lists of some standard items I am using in drop-downs and similar:...
Say we have an abstract class Foo declared as so: class Foo { public: virtual void test() = 0; }; Let's say that we make a derived concrete class FooDerived, and decide to mark it's ve...
Let's say I have a variant that can hold a bunch of different types of values (say I got them from parsing a JSON or similar). using Value = std::variant<std::monostate, int, double, std::strin...
The following code pattern reflects this answer. This code contains a for...of loop: for (const child of e.childNodes) { // Do stuff; } Does a for...of loop must contain a variable without...
Credit for User:Meriton for developing the following code (first published here). function replaceIn(e) { if (e.nodeType == Node.TEXT_NODE) { e.nodeValue = e.nodeValue.replaceAll("a", "");...
I misunderstand why the following code outputs -1 in console. x = 42; x = (x == 42) * -1 + (x != 42) * x; -1 Due to Type Coercion, the comparison of x to 42 yields true and is thus transl...
In a dense DOM tree created by a content management system which I didn't create and don't know much about there might be pseudo elements hiding in various places. To ensure that, I want to run so...
In Python 2, I was able to create a file named .env within a project folder like so: # .env MY_ID=abc123 TOKEN=4567890 Then in a Python file in the same directory, I could read these variable...
Credit for User:Meriton for developing the following code (first published here). function replaceIn(e) { if (e.nodeType == Node.TEXT_NODE) { e.nodeValue = e.nodeValue.replaceAll("a", "");...
Credit for User:Meriton for developing the following code (first published here): function replaceIn(e) { if (e.nodeType == Node.TEXT_NODE) { e.nodeValue = e.nodeValue.replaceAll("a", "");...
I've recently been involved with creating text documentation of steps for workflows in graphical windows systems (and web-pages). These are often somewhat wordy, for example: "Click on the 'Exit' ...
If I am not mistaken any DOM "tree" node is actually a "branch", which would be an HTML element or perhaps a CSS pseudo-element, of course. If that's true what are the different node types and esp...
Primarily for learning, I would like to try to delete a specific character (letter or number or special character), wherever it is in a webpage, with vanilla JavaScript. The webpage won't change a...
This is meant as a FAQ Q&A regarding variable-length arrays (VLA). The two bugs described below are surprisingly common. I'm trying to use the variable-length arrays feature of C99 (and newe...
Is -isystem/path/to/sys/includes a standard compiler option, or is it a compiler extension implemented by gcc, clang, and maybe other compilers? Can I rely on its availability? I couldn't find th...
In MediaWiki 1.36.1 with Skin:Timeless, the following JavaScript code doesn't work. I get in browser console: Your skin is incompatible with VisualEditor. See https://www.mediawiki.org/wiki/Exte...
I was playing around with mapped tuples and came across an interesting case where TypeScript cannot infer the types used: interface Foo<A, B> { (a: A, b: B): any } function test<...
I wish to view the revision-history-webpage of a webpage in MediaWiki without the conventional button to do so (I've disabled that button for aesthetic reasons). Please disable the MediaWiki View ...
Unable to boot from manjaro usb key it looks like it is due to secure boot how can I do it without disabling the secure boot
Hi How can I boot from usb key containing popos system without disabling secure boot in bios ? thanks
I have console scripts in my virtual environment in \env\Scripts, installed with packages (e.g. black, pytest, coverage). If I try to execute these in Git Bash, the output is not returned to the te...
I've been trying to get Amazon SQS working with the v3 JS client. I've gotten to the point where I can successfully create a queue using the frontend, but the issue starts when I try and send/recei...
The following code (credit for user:hkotsubo) moves the user to another page if Alt+Shift+E are pressed together. window.addEventListener('DOMContentLoaded', () => { let domain = window.loca...
The webpage example.com has an edit webpage (from which one can edit example.com itself). example.com/index.php?title=עמוד_ראשי&action=edit I want that after I click ALT+Shift+E, I would im...
Our team deals with a legacy application that relies on a rather old deployment process and infrastructure: we deploy the application on an environment very similar to the production called Clon...
I have a project Anonymised.Theme which contains XAML resource dictionaries for a theme. This is used by about a dozen applications which simply include it by merging <ResourceDictionary Source...
How do I delete contents of a specific field, if it matches a pattern, and there is nothing else in the field? I have a several GB tsv file, and I am interested in a specific field (72). If it cont...
I want use single layout xml file for two different activities in android. Is it possible? How can I do it?
This data tree is comprised of clickable buttons and I want to expose all branches, in a single action, instead of clicking each vertical arrow button anew. I have tried the following code which d...
Using Angular-IMask, I'm programatically updating the field that has IMask. So I'm getting the error: "Element value was changed outside of mask. Syncronize mask using mask.updateValue() to work p...
I wish to display the first and second branches of a link tree with JavaScript. I want to show these branches in a single action, instead of clicking each vertical arrow (link) anew. HTML examp...
When writing any form of custom function such as this: void func (int* a, int* b) Should I add code to check if a and b are null pointers or not? if(a == NULL) /* error handling */ When po...
I'm working on an integration with a proprietary (black box) system. There is some TCP communication that occurs between two microservices. I've managed to sniff the traffic and it's being sent in...
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...
