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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

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

Filters (None)
77%
+5 −0
Keep local branch changes to resolve all remaining conflicts in a merge

On branch-x, I do git merge branch-y Now there are some conflicts, and git status shows Changes to be committed: new file: a new file: b Unmerged paths: (use "git a...

1 answer  ·  posted 2y ago by Quasímodo‭  ·  last activity 2y ago by Quasímodo‭

66%
+2 −0
Generating nested repeating values with JSON Generator

Hi, I'm trying to use the JSON Generator to create data with nested repeating values. I want to create 100 objects with an ID, Name, and Code. The Id is incremented from 0 to 99, but the Code (pr...

1 answer  ·  posted 12mo ago by mcalex‭  ·  last activity 12mo ago by __blackjack__‭

66%
+2 −0
Using Lua's `os.rename` to rename a file from a hard drive to a new location on a USB flash drive

I'm using the os.rename function in a lua script. It works perfectly fine for renaming files on my hard drive, e.g. os.rename("test.txt","/Users/username/Desktop/test2.txt") will rename the fil...

1 answer  ·  posted 1y ago by samcarter‭  ·  last activity 1y ago by Peter Taylor‭

66%
+2 −0
How do I get an animation from another source playing through hovering?

I was tasked with an assignment where I should get a box to move to the 4 corners of the viewport by hovering on a button. Most of the code is already finished except for figuring out how to get th...

0 answers  ·  posted 2y ago by General Sebast1an‭  ·  edited 2y ago by General Sebast1an‭

42%
+1 −2
How to solve missing JAR files error from Ant

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...

1 answer  ·  posted 2y ago by Megan‭  ·  last activity 2y ago by Megan‭

70%
+5 −1
Delete all occurrences of a character in a webpage with vanilla JavaScript

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...

3 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by hkotsubo‭

75%
+4 −0
Postgres command-line variable substitution error

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...

1 answer  ·  posted 11mo ago by Andrew‭  ·  last activity 11mo ago by matthewsnyder‭

77%
+5 −0
What is the Python Global Interpreter Lock?

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...

1 answer  ·  posted 2y ago by Moshi‭  ·  last activity 2y ago by Derek Elkins‭

60%
+1 −0
VBScript Listener in SSRS

Is it possible to add listeners via VBScript/ JS directly into a SRSS report? Goal: Track changes of input fields and key press inside the wrapper React based on the events Directly in the...

0 answers  ·  posted 2y ago by Yolanda‭  ·  edited 2y ago by Alexei‭

71%
+3 −0
How to correctly daemonize a Rocket-based app?

Summary I'm refactoring a Rust-based service/daemon to move away from gRPC and use a Rocket-based API instead. I'm also using the daemonize crate to turn the foreground process into a background p...

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

81%
+7 −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...

3 answers  ·  posted 1y ago by ShadowsRanger‭  ·  last activity 10mo ago by Moshi‭

70%
+5 −1
Queries to count points lying on arbitrary line

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...

2 answers  ·  posted 12mo ago by theabbie‭  ·  last activity 11mo ago by matthewsnyder‭

75%
+4 −0
Are there other reasons why useEffect might not be defined apart from not importing it?

I am creating a button that once clicked will change from off to on with react and i am also creating a responsive clock through useEffect. Yet the code still return that useEffect is undefined th...

2 answers  ·  posted 12mo ago by Brian‭  ·  last activity 12mo ago by jmathew‭

40%
+0 −1
How To Verify Old Password in PHP? [closed]

I have a page to change the user password in my website, this page can only be used if the user have a logged in! The change password page have 3 inputs: Old Password, New Password and Con...

0 answers  ·  posted 2y ago by rrenildopereiraa‭  ·  closed 2y ago by Alexei‭

50%
+0 −0
How to migrate NLog configuration from XML file(s) to application settings (JSON)?

I have just created an ASP.NET Core 6 application and added NLog support for logging: NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger() However, this API is almost deprecated as ...

1 answer  ·  posted 2y ago by Alexei‭  ·  last activity 2y ago by Alexei‭

50%
+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 1y ago by Anonymous‭  ·  last activity 1y ago by r~~‭

75%
+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 1y ago by cuzzo‭  ·  last activity 1y ago by cuzzo‭

72%
+6 −1
Best practices in setting up a development & production environments

I am developing a web app that is tied to a database. My codebase is stored on a private GitLab instance. I would like to set up a workflow that would look something like this: I have a developm...

1 answer  ·  posted 2y ago by Mu3‭  ·  last activity 1y ago by Mithical‭

75%
+4 −0
Move to the edit webpage of a webpage via the keyboard with vanilla JavaScript

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...

1 answer  ·  posted 2y ago by deleted user  ·  last activity 2y ago by hkotsubo‭

66%
+2 −0
Access denied to read SQS queue just created

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...

1 answer  ·  posted 2y ago by Darvids0n‭  ·  last activity 2y ago by Darvids0n‭

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 1y ago by filosoful‭  ·  last activity 1y ago by r~~‭

66%
+2 −0
Why is my last input box not centering (class: powerwall-battery-input)?

I found a form I wanted to duplicate on a roof construction website. All my input boxes are centered except the last one that's a bit off and I cannot figure out why. Here is my code: HTML <...

1 answer  ·  posted 2y ago by WannaBeAWebDev‭  ·  last activity 2y ago by meriton‭

50%
+0 −0
How to define Polly policies when working with Refit library in ASP.NET Core?

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...

1 answer  ·  posted 1y ago by Alexei‭  ·  last activity 1y ago by Alexei‭

81%
+7 −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 1y ago by hkotsubo‭  ·  last activity 1y ago by hkotsubo‭

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 <stdio.h> #include <stdlib.h> struct s { int i[100]; }; int main(void) {...

1 answer  ·  posted 1y ago by alx‭  ·  last activity 1y ago by Lundin‭

66%
+2 −0
How to create fire and forget tasks Q&A in ASP.NET Core with dependency injection support?

One of the legacy applications our team manages contained the following pattern (in the controller): // initialization private readonly IServiceScopeFactory _serviceScopeFactory; public FooCon...

1 answer  ·  posted 2y ago by Alexei‭  ·  last activity 2y ago by Alexei‭

60%
+1 −0
How to generate lots of hyperlinks rather fast using ClosedXML library?

I am using ClosedXML library to generate an Excel containing thousands of hyperlinks using cell's Hyperlink property: cell.SetValue(text).Hyperlink = new XLHyperlink(url); Such a call takes abo...

1 answer  ·  posted 2y ago by Alexei‭  ·  last activity 2y ago by Alexei‭

66%
+2 −0
C# WPF datagrid not persisting inserts

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...

0 answers  ·  posted 2y ago by FrankLuke‭

66%
+2 −0
Order a subcollection from linq

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...

1 answer  ·  posted 2y ago by mcalex‭  ·  last activity 2y ago by Alexei‭

37%
+1 −3
Java cannot find class within same package

I've written a class object, QueueObject, but when I try to construct it inside of my main class, it says it cannot find the symbol on compilation. I've read lots of pages saying how misspellings o...

1 answer  ·  posted 2y ago by cuzzo‭  ·  last activity 1y ago by cuzzo‭

25%
+0 −4
Does a for...of loop must contain a variable without assignment sign, and why?

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...

1 answer  ·  posted 2y ago by deleted user  ·  edited 2y ago by hkotsubo‭

83%
+8 −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 1y ago by Trevor‭  ·  edited 1y ago by Alexei‭

25%
+0 −4
Unable to boot from popos usb key [closed]

Hi How can I boot from usb key containing popos system without disabling secure boot in bios ? thanks

0 answers  ·  posted 2y ago by hedibensaid‭  ·  closed 2y ago by Alexei‭

66%
+2 −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 1y ago by Phtremor‭

60%
+1 −0
How to access the visual editor from JavaScript in MediaWiki?

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...

0 answers  ·  posted 2y ago by deleted user  ·  edited 2y ago by deleted user

75%
+4 −0
Is it possible to write protocols for enumerations in Python?

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...

1 answer  ·  posted 2y ago by celtschk‭  ·  last activity 2y ago by r~~‭

71%
+3 −0
Why static code analyzers such as SonarQube indicate a high code complexity for switch statements?

During a presentation of a pipeline configuration, a colleague showed a SonarQube integration and one of its reports. A warning was caused by overrunning the max value for the code complexity thres...

2 answers  ·  posted 2y ago by Alexei‭  ·  last activity 2y ago by Derek Elkins‭

60%
+1 −0
How to get a default value from an assoc in Factor programming language

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...

1 answer  ·  posted 2y ago by Razetime‭  ·  last activity 2y ago by erg‭

77%
+5 −0
How to manage CPU capabilities of Jenkins nodes?

We use Jenkins Pipeline to build and test some C++ software. The pipeline script runs the tests on 10 different nodes in a parallel way in order to save time. All of these nodes are real (not virtu...

1 answer  ·  posted 2y ago by anatolyg‭  ·  last activity 2y ago by bta‭

71%
+3 −0
Why is boolean value f (false) defined as a parsing-word while t (true) is not in Factor?

I noticed when attempting to generate random booleans that t and f are not treated in the same way: t random ! Error f random ! returns a value In the factor 0.98 and 0.99 documentation, t is ...

1 answer  ·  posted 1y ago by Razetime‭  ·  edited 1y ago by Alexei‭

28%
+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 1y ago by cuzzo‭  ·  closed 1y ago by cuzzo‭

71%
+3 −0
How to allow sign-ups without confirmation as an exception using devise confirmable?

I use the devise authentication gem for a Rails application and it's very convenient. Typically I want my users to confirm their registration by email. Therefore the User model looks like class U...

1 answer  ·  posted 2y ago by Trilarion‭  ·  last activity 2y ago by ArtOfCode‭

66%
+2 −0
How to plot table from pandas dataframe

MWE import pandas as pd import numpy as np import matplotlib.pyplot as plt df = pd.DataFrame(np.random.rand(9, 4), columns=['a', 'b', 'c', 'd']) df.plot.bar(table=True) # don't want plot, ...

1 answer  ·  posted 2y ago by mcp‭  ·  last activity 2y ago by __blackjack__‭

50%
+0 −0
Using single xml file two activities in android

I want use single layout xml file for two different activities in android. Is it possible? How can I do it?

0 answers  ·  posted 2y ago by akshayshelke‭

33%
+0 −2
App crashes/ implementing picture in picture mode to timer

When I tried to emulate the app that I coded in the connected phone, it keeps closing due to crashes, is there any problem with my code? Also, I am trying to make a timer app with picture and pict...

0 answers  ·  posted 1y ago by dkdkjoi‭  ·  edited 1y ago by Alexei‭

71%
+3 −0
Conditions which always matches returns no result with CTE

I have the following scenario (in MySQL 8): CREATE TABLE `steps` ( `id` int NOT NULL AUTO_INCREMENT, `number` varchar(30) DEFAULT NULL, `parent_number` varchar(30) DEFAULT NULL, `timestamp` ti...

1 answer  ·  posted 2y ago by artaxerxe‭  ·  edited 2y ago by Alexei‭

33%
+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 1y ago by Fred Wamsley‭  ·  edited 1y ago by Alexei‭

40%
+2 −4
Problems with data structures and filestreams.

So I just started learning how to use file-streams in C & decided to attempt a question which is to do with library management in C, however I am currently encountering some problems and feel l...

2 answers  ·  posted 2y ago by dumplings‭  ·  edited 2y ago by Alexei‭

28%
+0 −3
Need help in migrating a Python2 custom middleware to current Python3 version

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...

0 answers  ·  posted 2y ago by roronoa_zoroDR‭  ·  last activity 2y ago by Monica Cellio‭

77%
+5 −0
How to deeply clone an array in Angular / TypeScript?

I have an array that I need to clone in Angular / Typescript. That is, any change done on an element from the cloned array should not affect the content of the initial array. How can I achieve thi...

2 answers  ·  posted 2y ago by Alexei‭  ·  last activity 2y ago by hkotsubo‭