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Can anyone explain to me why my Haskell function gives rise to a type-definition error? Originally, I wrote the following function to subtract one from the first n elements in a list: dec_first :...
To get a value from an assoc and provide a default value if the value does not exist, I am using the following definition: :: at-def ( key assoc default -- value ) key assoc ?at [ drop default ] w...
When developing a rust program you build and run using cargo run. However you cannot just append arguments to that as they will be caught (and likely rejected) by cargo itself. So how to pass argum...
I have a few different projects that rely on open source technology that I wish to make modifications to (say, to add key features for business or personal use) that will vary between upstreamable ...
When reading about various operators used by programming languages, the term "short circuit behavior" is often used. For example in this C code: int a = 0; a && b++ Someone explained t...
I am writing a Python package where I have two classes in different files that (indirectly) depend on each other. If I wouldn't care about type-hints, there would be no problem, but unfortunately,...
According to the psql (version 14) man page, it's possible to set variables using the -v command-line parameter, then use the variable in a query, automatically quoted correctly, with :'variable_na...
According to the standard (C17 draft, 7.22.3.2) The function calloc void *calloc(size_t nmemb, size_t size); "allocates space for an array of nmemb objects, each of whose size is size [and] i...
Temporary notice: this is part of an ongoing project of transferring and splitting my canonical from Stack Overflow on common errors in Google Apps Script. As soon as the Q&As are finalized, ...
I have a very simple source file -- HelloWorld.java public class HelloWorld { public static void main(String[] args) { System.out.println("hello world"); } } I have th...
I have been trying to generate a random object on all three axis in different locations. However, Vector3 doesn't accept that many overloads e.g: Vector3 spawnPos = new Vector3(Random.Range(spawnL...
I'm trying to set the transform attribute of a group within an SVG. Specifically, I'd like to set translate's value to 0 0. I tried using the set element for this but that didn't have an observab...
Is there a way to easily insert today's date when editing a file in VS Code?
I have two classes, Contestant and Picture, with the following setup: public class Contestant { ... public int AvatarID { get; set; } [ForeignKey(nameof(AvatarID))] public ...
I am using Rancher Desktop as an alternative to Docker Desktop. After using docker for a while I have noticed that C:\Users\user\AppData\Local\Docker\wsl\data\ext4.vhdx has grown quite a bit (20GB+...
I have created a tag in my project, using git tag v2023 However, I forgot to commit a few changes. Now I would like to move this tag to the current point (after having committed the changes I had...
Background The coefficient of variation is: defined as the ratio of the standard deviation to the mean Question Is there a built-in function for this? Tried I know I can do df.std() / df...
I have a variable that contains a string: $CCSR = "branches/features/arm_and_musl" I want to get only the part after the last /. In this case it's "arm_and_musl" but it can be anything. So som...
Consider this code example: def example(param=[]): param.append('value') print(param) When example is repeatedly called with an existing list, it repeatedly appends to the list, as ...
Is it undefined behaviour to cast an uninitialized variable to (void)? Example: int main() { int x; (void)x; return 0; }
How to use static functions in ColdFusion? How to import component? How to call a static function using both tag and script syntaxes? Adobe added support for static functions in ColdFusion...
I need help figuring out if my dependencies need upgrading or conflict with each other. I tried using the command prompt to solve problems but it didn't help. Here is my code. Android Studio Iguan...
As this is the first question about Google Apps Script, here is a very brief description: it is a platform that helps people easily get programmatic access to Google apps data like Gmail messages, ...
My redirect in javascript somehow gets "hijacked" and I don't understand how. Previous developer (who is no longer working with the company) on page load initialized onbeforeunload event like so: ...
My large, multi-module Maven project validation (Maven Enforcer plug-in) is playing tricks on me. moduleA> mvn validate correctly finds all modules runs enforcer on all of them displays co...
class ExtendUserSession(MiddlewareMixin): """ Extend authenticated user's sessions so they don't have to log back in following 15 minutes (set by Django's default `SESSION_COOKIE_A...
I have a query summarizing some transaction data that I'd like to summarize by day of week. For my use case, I need to return weekdays formatted according to ISO 8601, so Monday must be the first d...
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 am working on a React Native app using Realm, Atlas Flexible Sync, and MongoDB, and I'm super confused about how subscriptions work. I'm coming from a .NET SQL background, so I'm completely new t...
MWE In the terminal run: mkdir mwe cd mwe mkdir dir touch f1.txt f2.pdf dir/f1.txt dir/f2.pdf git init . Create a .gitignore with: * # ignore all !dir/ # except this directory ...
What does this function definition mean in Haskell? fn x [] = [] fn x (True:ys) = x : fn x ys fn x _ = []
I'd like to write a TCP client in Rust that can receive the entire message sent by a server, but I have no information about the length of a message. I'm aware that TCP doesn't preserve message bo...
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 ...
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...
I am working with PHP and RedBean PHP ORM. I have a table user like so: id | username ---|--------- 1 | Alice 2 | Bob I want Alice and Bob to become friends. So I want to create M-M juncti...
I am getting a white screen issue for my angular portal, only if I am not using "USB tethering". When I use home/office wifi, and mobile hotspot, I get a white screen when I use USB tethering fro...
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...
I'm trying to make a UWP app in Visual studio, but the NuGet package files have been huge. They just don't fit on my SSD, but I do have an HDD I could theoretically use. After a bunch of tinkering...
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 have text (xml actually) files. Some files contain 'foo', some contain 'bar', some contain neither and some contain both. It's the both I'm interested in. How do I do an AND search on words in...
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...
I'm trying to do some DOM manipulation in jQuery, but am having issues with creating wrapper elements. For some reason, prepending to the wrapper doesn't work after I call wrap. Code <html>...
It's not possible to send data to amazon prime and disney+hotstar. I was trying to send user to amazon prime when they click a (video) link (e.g. https://www.amazon.com/gp/video/detail/B01MSPI8JN/r...
Temporary notice: this is part of an ongoing project of transferring and splitting my canonical from Stack Overflow on common errors in Google Apps Script. As soon as the Q&As are finalized, ...
Title says it all. I found "Step into external code" but not sure if it's the same feature.
MWE import random import pandas as pd from itertools import product random.seed(12345) dies = [1, 2] cells = list(range(10)) currents = [100, 200, 300] dcc = list(product(dies, ce...
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...
Suppose we have N points on XY plane, ie. (x, y) and x, y are integers and multiple queries where each query is of the form y = mx + c and m, c are integers. Is it possible to count number of poin...
Note: this is based on my question on SO and subsequent activity there I am trying to add resilience using Polly to HTTP calls that are performed using Refit library. I am using the Refit factory...
When running various Python scripts, I often need to do this annoying dance: $ python script.py ... ModuleNotFoundError: No module named 'foo' $ pip install foo $ python script.py ... Module...
