General Q&A about programming, scripting, software design & architecture, process, tools, testing, and more.
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> ...
For debugging running programs I often use whatever is integrated with the IDE I am using. QtDeveloper right now, but also used Eclipse, Netbeans and others. Most of them just use gdb under the hoo...
I have finally received access to a trial account on OpenAI and I took it for a spin. My interest is with code generation, so first tried something simple using the playground: Q: generate a stand...
I had installed mysql using the following command sudo pacman -Sy mysql Earlier, I was using Lampp(Xampp for Linux) where I could start using the command /opt/lampp/start start I am not sur...
Our web site has a widget that displays some date-based information that we retrieve from some JSON-formatted data (one object per date). We get the current date from the environment, possibly adj...
I have recently an issue at work after upgrading an ASP.NET Core 3.1 application to .NET 5. It worked correctly on all environments (e.g. PreProd, Prod) when targeting 3.1, but failed on Prod only ...
As I don't have any significant experience with internationally-standard information security literature, I would like to ask here if some international information security organization took the i...
By "functional" I don't mean "procedural" (i.e. I don't mean to programming which is done solely or primarily with these data structures commonly known as "functions" but are actually procedures), ...
I want to remove a deprecated entry from the default build.gradle file as well as change the default layout of an empty activity to use Relative Layout instead of constraint. I'm using Android Stu...
When I review JavaScript files in various text editors (Visual Studio Code, Greasemonkey/Tampermonkey) I sometimes get notified about syntax errors. I never encountered this behavior with PHP file...
I have around 20,000 .npy files in a directory. That main directory has no subfolders:- Main_dir | |--1.npy |--2.npy |--3.npy |--........ The absolute file paths are stored ...
I'm trying to log error messages from Requests exceptions. Example: try: make_web_request() except RequestException as ex: logging.error(ex) Example output: ERROR : ('Connection abo...
I have to debug an error which seems to only happen with some set of data present in our PostgreSQL database. I'd like to copy said database to my local machine so I can perform tests without affe...
In this Q a user asked for a simple way to represent this data: - PERSON 1 | PERSON 2 | YES - PERSON 1 | PERSON 3 | YES - PERSON 2 | PERSON 1 | YES - PERSON 2 | PERSON 3 | YES - PERSON 3 | PERSON 1...
One part of an as yet unanswered Q on Super User asks whether conditional formatting in OpenOffice Calc can be used to highlight an entire row based on whether a checkmark in the row has been selec...
Some while ago a user of Web Applications asked after a function to avoid "an if/else just to handle negative numbers properly". Clarification provided was: Presently it round based on absolute...
An as yet unanswered Q from Stack Overflow [SO] enquired: how to stop looping this formula where the formulae were: in B9 =16,50 in B10 =B9-B11 in B11 =B10/2 without changing ...
A self-answered question - How to get DATEVALUE to recognize RSS 2 pubDate (RFC822)? - written by spcsLrg on Web Applications Stack Exchange offers this formula: =DATEVALUE(TRIM(REGEXREPLACE(A1,"^...
An as yet unanswered question on Web Applications, INDIRECT cell reference - Can't copy cell as reference cell pattern remains same, from @Daniel Klose is: I have an Overview Sheet where I want to...
In an as yet unanswered Q from early this year a user of Stack Overflow asked: how to fill all non-empty cells of a column by 1 and the empty cells by 0. It's an xlsx file open with LibreOffice ...
A user of Web Applications asked how to: +1 when the value is >=5, +2 when the value is >=10, +3 when the value is >=15, +4 when the value is >=20, +5 when the value is >=25...
A presently unanswered question on Stack Overflow asks: Does there exist a popcount function in libreoffice calc? and clarifies that "I often use BASE(A1;2;8) to show a number in binary".
A Q on Stack Exchange from a very long time ago included: I have first names in one column and second names in another, I want to create a third column that contains the first character from the...
A user of Web Applications asked "How should I fix the formula?" with reference to: =IF($K4<2,$K4) applied as a Conditional Formatting [CF] formula to J4:J8, where the desired (green fill) form...
The question about LibreOffice Calc - Number of occurrences in text string from Binz Nakama at Stack Overflow interested me because of one of the comments posted there: OK, I think this would requ...
In Excel I would like to concatenate several strings into one. I could type and fill in the blanks CONCATENATE(A1, A2, ....) but it is a lot of work This would be cool, but it does not work CONCATE...
A Q on Stack Overflow asks how to merge two columns where each row has only one populated cell. The example was from (on the left) to (on the right): a|b a 0| ...
A user of Web Applications gave the following as an example: https://docs.google.com/spreadsheets/d/1nPTBFXaIgpruPgNoWFSBUL2yKaibjeNJNExhnHVr8LE/edit#gid=0 and asked: How do I read a long ro...
In response to a Q on Web Applications [WA] the asker self-answered with: =CONCATENATE("@ £/€ rate: ",text(J21,"0.00000")) The issue was that, with "in a cell J21 I have a set value 1.10000":. ...
A very recently asked Q on Web Applications has no answer yet (and, in my opinion, is so badly written may not receive an answer at all promptly). However it does seem (in my interpretation) to rai...
An as yet unanswered OpenOffice Calc - Highlighting the higest value in multiple columns posted by Rui on Super User from early this year asked whether a condition was possible to: fill with a c...
