General Q&A about programming, scripting, software design & architecture, process, tools, testing, and more.
The problem I am working on a simple drawing app for Android. I have a custom view on which the user can draw. This means that a lot of data (a list of points) is generated in this View. I want t...
I'm using SimpleDateFormat to parse a string containing a date/time, but the result has a different date, hour, minute, second and millisecond: SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM...
I would define a hook as: A piece of code which changes the response to a certain event, without changing the original code that caused the event How is that different than "code injection", if a...
from tkinter import * from tkinter import messagebox, filedialog import pyttsx3 import PyPDF2 import os import webbrowser root = Tk() # root.geometry("500x500") root.title("Audio Book") ...
I handle several projects that use yaml files for configuration, and load them with YamlDotNet. It is sometimes useful to log the effective configuration when the program starts, to aid future debu...
I consider to migrate a large MediaWiki website to Drupal 9. All the webpages include MediaWiki syntax, just one example is the link syntax: [[ARTICLE NAME|LINK_TEXT]] for internal links [URL ...
I'm new to D and am planning to use it for golfing. I want to make a ROT13 converter and I want to determine the length of an inputted string. Is there a function for this? If not, what ways can I...
const body = document.body; const light = evt => { body.setAttribute('data-theme', 'light'); localStorage.setItem("theme", "light"); console.log("light"); } const dark = ...
I am working on a website which unfortunately uses a mix of linked and inline CSS and Javascript (and, even more unfortunately, I can't do a lot about the use of inline CSS and Javascript), and am ...
In the past I have read about the fact that some programmers use a variable to hold two or more variables (instead holding a mere value or an array). There might also be cases when programmers use...
Making a Nannou App that draws a line to the screen. My model only contains the window itself and a vector of tuples describing the points and color. Similar to this example(under Drawing Lines) ...
While learning JavaScript, I started to see =, == and === operators. What's the difference between them?
While learning JavaScript, I started to see sometimes the <script> is placed in the <head> and sometimes it is placed in the <body>, What's difference between placing the <scri...
I would say that the terms "property" and "method" are basic in JavaScript programming (at least in the context of web/front), but are they basic or common in other programming languages such as C,...
#include<stdio.h> struct Book { char title[20]; char author[20]; int pages; }; void init_Book_types(struct Book* aTitle,struct Book* aAuthor,struct Book* aPages){ aTitle->ti...
I would assume the following content types would be standard when creating a web shop with Drupal but maybe I am wrong: Home page Article page Product page Service page Another page Are t...
When working with a qmake subdirs project you may want to share configuration between multiple projects. In a less common case you may including a external project within your own as code and want ...
What I want: An object that contains a function that I can update after creation. I created a struct that contains a parameter b and a function(closure?) named Internal_Fn. struct MyThing { ...
Building a Nannou App from their template. I want a circle to slowly fade in color and randomly change color when hitting the boundary of the window. But there is something strange going on when ...
Hello folks, can someone resolve this seg fault with me please, i can't find the error where it occur. Thank you. #include <stdlib.h> #include <stdio.h> int ft_ultimate_range(int *...
After upgrading a Web application from ASP.NET Core 3.1 to ASP.NET Core 5.0, it worked fine on an existing server. However, when deployed on a server that had only .NET 5.0 installed, the applicat...
I have developed an Atom package which calls SyncTeX (a utility for reverse lookup for LaTeX), and then opens in Atom the file specified in the SyncTeX response. I'm developing on Linux, but now a ...
Let I have a button <button type="button" onclick = "myfunction()" class="collapsible">Expand content</button> And, I have a JS function. function collapse() { var coll = docu...
I consider to create a multi page contact form in which there is one backend page but about 5 front-end pages (stage 1-5). Pages 1-4 are input pages and page 5 is for a submit button and a success ...
This is a rather vague question, but I'm trying to solve a specific problem and I'm inexperienced in most of the potential solutions, so please forgive the inherent ambiguity. I have access to a d...
When I clear my Google Chrome browser history I can clear both "Cookies and other site data" AND "passwords and other sign-in data". Clearing just one of the two would require me to re-login t...
I'm writing some functions in C that parses a part of a XML file (using libxml), but instead of extracting the content of the XML node that has a specific name, it outputs a string that's not in UT...
I have a CSV file like this: name,surname,score Moon,Walko,148 Jerald,Gryder,150 I need to find the highest score. My attempt: namespace test { class Program { string[...
I am developing a modular HTML-PHP-CSS no-JavaScript (JavaScriptless) contact form and the HTML is becoming increasingly large, around 80 lines (and could easily grow to be significantly larger as ...
I get the impression that there are two general types of contact forms: A regular contact form where all fields are in one webpage ; such form might be very long for a potential customer ("too m...
My HTML form got dir="rtl" attribute and value and in desktop computer systems it appears Right to Left (RTL) but in my mobile device (OnePLus 6) with Android and DuckDuckGo browser, the form's HTM...
In Android Studio, when I click on a variable. It redirects me to where the variable was declared. Even, when coder writes lot of code than, it becomes hard to find "main" object by scrolling. Rub...
#include<stdio.h> struct Node{ int data; struct Node* next; }; Here I used an asterisk after Node. What is it used for? What if I don't put any asterisk after Node (both Node...
#include<iostream> using namespace std; class Book{ public: string title; string author; int pages; Book(string aTitle, string aAuthor, int aPages){ aTitle = title; ...
I am struggling to do a save button in C# Windows Form Application where I have a GridView and I want to save all modifications I do in GridView Table(I connected it to SQL). This is the data sourc...
I wrote a program named Kernel.c 2 months into my life in programming and created 4 functions at the time, and now there are 7 functions. Recently, I updated the program completely onto an online ...
There are two broad types of build environments - in-source and out-of-source. "In-source" means the compiled files will appear in the same directory as source files. "Out-of-source" means there is...
Context Our product owner has realized that some entities are duplicated from time to time and that a merge is required. This should clean up existing duplicates and also allow special users to me...
I have a simple HTML contact form and I wish to create a text area in it with <input type="text"> but without a <textarea> tag. The end product should be an <input type="text"> f...
Here in Python, I created a program for this challenge and I'm having trouble debugging it. I already fixed most errors I have on my program but here's what I have left: x=y=z=[];i=0.0;a=int(input...
I have a column that is a concatenation of 5 other columns plus a join to a different table. UPDATE db.a JOIN db.b ON fk_b = b.pk SET concat_field = CONCAT(field1,field2,field3,b.field,field4,fi...
I'm writing a JSON schema to validate asset files for a program. The JSON I need to parse is structured so: { "jobs": { "software-developer": { "job-description": "sw-dev.md:0", "pay": 800...
I've got this sample regex: Pattern p = Pattern.compile("(?:([aeiou]+)[0-9]+|([123]+)[a-z]+)\\W+"); It basically has the following parts: one or more lowercase vowels ([aeiou]+), followed by one ...
I'm using Python to invoke another program in a sub-process. I've noticed my memory sometimes gets so large as to crash the system, and I'm wondering if I'm not correctly cleaning up the memory som...
I have used Drupal since 2010 to create websites and I recall a few years back reading that it can be used to create smartphone applications (or something similar). Is this only the "web-integrate...
Why do Content Delivery Networks are often developed in such a way that they would require adding a Cname value such as www. before example.com? I ask this after switching from one CDN (Cloudflare...
Many web login and contact form features could be set as standard HTML builtins without the need to develop and backend and/or (non HTML) frontend for them, for example: Select field Input Date...
To start off, here is the complete HTML of a simple example table: <html lang="en-US"> <head> <title>Title</title> <style> table { width: 20em; ...
I would like to maintain a log that is available to several modules in my Angular 8 system. So I created the following service: @Injectable({ providedIn: 'root' }) export class LogService { ...
I have a mobile-only HTML contact form divided in source code into three sections; each section should contain fields by a different context. <!DOCTYPE html> <html> <head> ...
