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Q&A

General Q&A about programming, scripting, software design & architecture, process, tools, testing, and more.

60%
+1 −0
How to use ReactNative SDK with flexible sync using a code first approach

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...

0 answers  ·  posted 15d ago by Scriptastrophe‭  ·  last activity 6d ago by Mithical‭

66%
+4 −1
Why are commas not needed for modulo string formatting when printing?

I'm still a novice in Python. But have come across a question about format specifiers. For example, if I have two variables that are called animal and age. And print a string in the console using f...

2 answers  ·  posted 24d ago by Bennshinpoes‭  ·  last activity 6d ago by Mithical‭

66%
+2 −0
Does redirecting blog from sub domain to root domain hurts SEO of old blogs?

We have done a reverse proxy to forward blog.example.com to example.com/blog. As I think it gives great help in getting the “link juice” to the root domain. However, I am concerned about any possi...

0 answers  ·  posted 1mo ago by ThomasM‭  ·  last activity 6d ago by Mithical‭

83%
+8 −0
memcmp(3) memory containing invalid values

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...

2 answers  ·  posted 1mo ago by alx‭  ·  last activity 30d ago by Lundin‭

75%
+4 −0
How to verify if a year is leap in Java?

How to verify if a year is leap? Given a numeric value (such as 2023) or some object that represents a date (such as Date, Calendar, LocalDate, etc), how can I do it?

1 answer  ·  posted 1mo ago by hkotsubo‭  ·  last activity 1mo ago by hkotsubo‭

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+2 −0
How to compress columns of dataframe by function

Problem How can I compress each column of a dataframe to the output of a function (i.e., mean), preserving columns? MWE import pandas as pd data = {"A": [1, 2, 3, 4], "B": [5, 6, 7, 8]} ...

0 answers  ·  posted 1mo ago by young_souvlaki‭

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+3 −0
Adding elements to wrapper after calling wrap doesn't work

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 &lt;html&gt;...

1 answer  ·  posted 1mo ago by Moshi‭  ·  last activity 6d ago by Mithical‭

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+1 −0
How to import a vocabulary's test file in factor.

For example: I have noticed that this does not work for any vocabulary's tests. What is the alternate way to USE: these test vocabularies? EDIT: The test word appears to run all tests alongside...

0 answers  ·  posted 2mo ago by Razetime‭  ·  edited 2mo ago by Razetime‭

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+7 −0
How to define an object with different subclasses in an if-statement?

Note: I asked this question on TopAnswers a couple weeks ago, but didn't get any response, so I figured I'd ask it here. I am currently learning C++. I have a parent class (Vehicle) and two subc...

1 answer  ·  posted 2mo ago by Trevor‭  ·  edited 2mo ago by Alexei‭

71%
+3 −0
Python Parallel plotting and and input reading

Hello everyone, I am seeking help with understanding why multithreading does not work correctly in this example: import time import matplotlib.pyplot as plt import concurrent.futures voltage...

1 answer  ·  posted 2mo ago by kek‭  ·  edited 2mo ago by kek‭

25%
+0 −4
What factors should be considered when choosing web security measures for a site? [closed]

What factors should be considered when choosing web security measures for a site?

0 answers  ·  posted 2mo ago by Andrew‭  ·  closed 2mo ago by Mithical‭

22%
+0 −5
Solution E-Commerce de Paiement [closed]

Salut, quelle solution de paiement e-commerce avec 0% de commission me proposerez vous ?

0 answers  ·  posted 2mo ago by Bicano‭  ·  closed 2mo ago by Monica Cellio‭

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+2 −0
TeamCity build variables

I want to pass a variable to TeamCity (on prem) to choose between deployment environments (there are 14 of 'em - don't ask) when running a TC deployment configuration build which uses a PowerShell ...

1 answer  ·  posted 2mo ago by mcalex‭  ·  edited 2mo ago by Alexei‭

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+1 −0
Relayout call does not work on button click in Factor

I am currently using this code to display a GUI counter: USING: accessors arrays fonts kernel math math.parser ui ui.gadgets ui.gadgets.buttons ui.gadgets.editors ui.gadgets.labels ui.gadgets.pa...

0 answers  ·  posted 2mo ago by Razetime‭  ·  edited 2mo ago by Razetime‭

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+1 −0
How to find the existing default action for a UI gadget in factor

For a UI gadget like a $link in Factor, a click automatically opens the page that it points to. I want to know where this default behaviour is defined. In the factor documentation, there are many ...

1 answer  ·  posted 2mo ago by Razetime‭  ·  last activity 2mo ago by Razetime‭

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+1 −2
We app is terminated automatically at Windows server

I've my go app the is running a web API and working smoothly at my laptop. I read this and completed the IIS setup using a config file: &lt;configuration&gt; &lt;system.webServer&gt; ...

0 answers  ·  posted 2mo ago by hyousef‭

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+4 −0
How to programmatically get current wallpaper file path?

I have written a screensaver program that, in part, uses the current wallpaper for some visual effects. However, finding the current wallpaper in different operating systems and environments is les...

1 answer  ·  posted 2mo ago by ghost-in-the-zsh‭  ·  last activity 2mo ago by ghost-in-the-zsh‭

83%
+8 −0
Is partial allocation of an object Undefined Behavior?

Is it valid to partly allocate an object, as long as you only use the allocated part of it? #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; struct s { int i[100]; }; int main(void) {...

1 answer  ·  posted 2mo ago by alx‭  ·  last activity 2mo ago by Lundin‭

71%
+3 −0
Strict aliasing rules and function boundaries

Let's analyze this code, assuming an architecture where the alignment of int64_t is the same as that of double: void bar(double *f, int64_t *j) { *(int64_t *)f = *j; } void foo(void) ...

1 answer  ·  posted 2mo ago by alx‭  ·  edited 2mo ago by Lundin‭

50%
+1 −1
Rest service doesn't find @GET Method (Jersey Rest service in Gradle).

I have to implement a JSON based REST web service for querying literature. Ordinary users should be able to query data and process it in their clients. The "main user" can adapt database entries vi...

0 answers  ·  posted 2mo ago by Gagamelius‭  ·  edited 2mo ago by Alexei‭

25%
+0 −4
queryselector for all does not select the specified css selectory [closed]

I tried using query selector but it does not work heres my HTML code: &lt;!DOCTYPE html&gt; &lt;html lang="en"&gt; &lt;head&gt; &lt;meta charset="UTF-8"&gt; &lt;title&gt;JS + CSS Clock&lt...

0 answers  ·  posted 2mo ago by Ansh‭  ·  closed 2mo ago by Alexei‭

60%
+1 −0
EF-core Find method doesn't include other entities

(Full code available for cloning here) I've run into some odd behavior of EF-core's Find method. It seems like the returned entity doesn't include the rest of the data. MWE Models using Micro...

1 answer  ·  posted 3mo ago by Moshi‭  ·  edited 3mo ago by Alexei‭

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+4 −0
What's causing mypy to give an `[assignment]` error in this nested for loop?

I started adding types to my (working) solution to Exercism's "Kindergarten Garden" exercise, to learn how typing with python and Mypy (strict) works. While doing so, I ran into a Mypy error that I...

2 answers  ·  posted 3mo ago by true_blue‭  ·  last activity 3mo ago by Moshi‭

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+3 −0
How to inject environment configuration values when deploying an Angular application in Kubernetes or similar infrastructure?

Context I am currently migrating a Web application from on-prem infrastructure to K8s. The legacy infrastructure relies on defining some tokens in the configuration files and these are replaced d...

2 answers  ·  posted 3mo ago by Alexei‭  ·  last activity 3mo ago by Derek Elkins‭

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+4 −0
Dealing with code maintenance when saving a large and complex entity in a single business transaction

Context I am currently working on migrating a legacy application to an ASP.NET Core + Angular application. The Web API's main project is based on Jason Taylor's template (clean architecture) and a...

1 answer  ·  posted 3mo ago by Alexei‭  ·  last activity 3mo ago by r~~‭

60%
+1 −0
Where is the "Just My Code" debug option in Visual Studio Mac?

Title says it all. I found "Step into external code" but not sure if it's the same feature.

0 answers  ·  posted 3mo ago by user34567‭

83%
+8 −0
When would one not want to return an interface?

Consider the following method as an example: List&lt;int&gt; Foo() { // ... } Are there any disadvantages of returning an interface instead of a concrete implementation in C#? IList&lt;i...

2 answers  ·  posted 3mo ago by Moshi‭  ·  last activity 2mo ago by r~~‭

25%
+0 −4
Create self-referencing many-to-many relation

I've turned the tables movies and scenes into media and now I don't know what to do with the movies_scenes relation. CREATE TABLE IF NOT EXISTS "movies_scenes" ( `movie_id` integer, `sce...

1 answer  ·  posted 3mo ago by filosoful‭  ·  last activity 3mo ago by jimbobmcgee‭

75%
+4 −0
What is the purpose of grouping the tests in a `tests` module and is it possible to split them?

What is the purpose of grouping the tests in a tests module like this #[cfg(test)] mod tests { use super::*; #[test] fn test_function_1() { // test code for function 1 g...

1 answer  ·  posted 3mo ago by ShadowsRanger‭  ·  last activity 3mo ago by Moshi‭

33%
+0 −2
How to distinguish between single and multiple file media?

In a media manager I have database tables for files, media and collections. When a user is browsing a collection I want there to be links to see the metadata for single file media like books, movi...

2 answers  ·  posted 3mo ago by filosoful‭  ·  last activity 3mo ago by r~~‭

55%
+3 −2
How to proportionally convert a number in the range of -1 and 1 to a number in the range of 0 and 319

I have float noise values, between -1 and 1, for every x,y coordinate in a 2D area and I am trying to convert that to a whole number between 0 and 319 which represents a vertical z coordinate to re...

3 answers  ·  posted 3mo ago by cuzzo‭  ·  last activity 3mo ago by Dirk Herrmann‭

22%
+0 −5
Replit particles push instead of being background [closed]

I am working on a replit https://AppropriateMessyRoutes.ozabramo.repl.co and I am trying to implement https://github.com/VincentGarreau/particles.js as a background but I keeps on pushing every...

1 answer  ·  posted 4mo ago by ObviousPlays‭  ·  closed 4mo ago by Alexei‭

28%
+0 −3
Built-in way to compute coefficient of variation in pandas

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...

1 answer  ·  posted 4mo ago by young_souvlaki‭  ·  last activity 4mo ago by cuzzo‭

81%
+7 −0
Qt Button changes drastically when setting its `border-radius`.

In a Qt application I have nothing more than a window with a button as its direct child. I set its background color and all is fine: Window::Window(QWidget *parent) : QWidget(parent) { but...

1 answer  ·  posted 4mo ago by Quasímodo‭  ·  last activity 4mo ago by r~~‭

66%
+2 −0
How would I avoid textures being blurred when mapped to a TriangleMesh?

I am making a game using JavaFX and the Fxyz library. I have chunks which are made of Point3D's, these points are then passed to a ScatterMesh and that is used to generate a TriangleMesh so I can m...

0 answers  ·  posted 4mo ago by cuzzo‭  ·  edited 4mo ago by Alexei‭

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+0 −5
Haskell revision question. [closed]

The answer for this question is that there is something wrong with the expression of the first guard of this function below: congratulations :: [(String, Int)] -&gt; [String] congratulations [] =...

0 answers  ·  posted 4mo ago by Anonymous‭  ·  closed 4mo ago by Alexei‭

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+0 −5
How should I deploy my Full Stack Angular Application (MEAN Stack) project on free hosting website? [closed]

How should I deploy my Full Stack Angular Application (MEAN Stack) project on free hosting website? Github I have provided below the github link of the project for the better understanding. Prob...

0 answers  ·  posted 4mo ago by mrsilenttradeguy‭  ·  closed 4mo ago by Alexei‭

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+2 −2
What does this function definition mean in Haskell?

What does this function definition mean in Haskell? fn x [] = [] fn x (True:ys) = x : fn x ys fn x _ = []

1 answer  ·  posted 4mo ago by Anonymous‭  ·  last activity 4mo ago by r~~‭

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+1 −0
How can I upload images or files to strapi using graphQl

How can I upload images or files to strapi using graphQl. I'm using Cloudinary as the image provider. The strapi admin panel works fine, uploads the images to cloudinary. But, when using graphQl m...

0 answers  ·  posted 4mo ago by Phtremor‭

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+4 −0
How would I fix my IntelliJ IDE? It cannot open and re-installing does not work.

So I was looking around for some async solutions and I found one on github, https://github.com/electronicarts/ea-async I follow the setup instructions for maven. Only to realize it didn't work (I ...

1 answer  ·  posted 4mo ago by cuzzo‭  ·  last activity 4mo ago by cuzzo‭

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+0 −2
Deep linking from another app isn't working for Amazon prime and disney+hotstar

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...

1 answer  ·  posted 4mo ago by billy‭  ·  last activity 4mo ago by billy‭

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+3 −0
How do you insert a struct into a hive table column using HiveRunner?

If my struct column has the data type of struct&lt;string, integer&gt; then what should be the equivalent java object that should be inserted into that struct column? I'm trying the following code...

1 answer  ·  posted 4mo ago by Abbas Gadhia‭  ·  last activity 4mo ago by Abbas Gadhia‭

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+0 −3
How would I go about chunk loading around player in a 3 dimensional cartesian coordinate space [closed]

So I am in the process of creating a voxel sandbox survival game (minecraft clone) in javaFX. I am at a point where I need to come up with a way to load the chunks in my surrounding given a render ...

1 answer  ·  posted 5mo ago by cuzzo‭  ·  closed 5mo ago by cuzzo‭

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+1 −1
Why does my code show an error at deriving (eq)? (SOLVED) NEW ERROR: At SimpleEnigma & SteckeredEnigma constructors which I need help on :")

Hi, I'm trying to code an Enigma machine in Haskell which were used by the German in WWII to transmit coded messages. An Enigma Machine consists of 3 rotors which are substitution ciphers and a re...

1 answer  ·  posted 5mo ago by Anonymous‭  ·  last activity 5mo ago by Alexei‭

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+1 −2
Why OFFSET isn't working the way it is expected?

I had three data with where gender=female. I was trying to call those data with limit and offset (Since in future there might be more than 1000 data). SELECT * FROM `users` WHERE `gender`='Female'...

1 answer  ·  posted 5mo ago by billy‭  ·  edited 5mo ago by Alexei‭

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+3 −0
highlight.js 3rd party plugin error: Cannot read properties of undefined

Highlight.js version: 11.6.0 Node version: v18.12.0 npm version: 8.19.12 When I provide a plugin with the following code to highlightjs (full code is at github): /* Language: BQN Requires: A...

1 answer  ·  posted 5mo ago by Razetime‭  ·  last activity 5mo ago by Razetime‭

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+2 −0
Why is IntelliJ not finding these modules?

So to preface I started a new JavaFX project in IntelliJ and all of this is from what was auto-generated out of the box. The modules I'm having trouble with are Edit to make this post more query...

1 answer  ·  posted 5mo ago by cuzzo‭  ·  last activity 5mo ago by cuzzo‭

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+0 −5
how to use one list to find a similar list in another list python

I want a way to make it so that I can use list B to find out if a copy of itself exists in list A. listA = ['1', '1', '0', '1', '0', '1', 'down'] 2 ['0', '0', '1', '1', '1', '1', 'up'] 2 ['1', '...

0 answers  ·  posted 5mo ago by Solaranfel1366‭  ·  edited 5mo ago by Alexei‭

66%
+4 −1
How to provide additional information when raising exception

MWE filename = "bad_dir" print(f"File not found: {filename}.") raise(FileNotFoundError) Question How do I raise an exception while adding additional information? In the example above, the...

1 answer  ·  posted 5mo ago by young_souvlaki‭  ·  last activity 5mo ago by Alexei‭

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+0 −2
Where do I get rotatable images of solar system planets? [closed]

What I'm trying to do, because it's to provide a visually exciting set of results for a simulation package, is given a time, show what a planet looks like from a given angle. I've got SPICE and I'...

0 answers  ·  posted 5mo ago by Fred Wamsley‭  ·  edited 5mo ago by Alexei‭