Newest Questions
24,161,525 questions
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votes
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7
views
How to correctly use solvePnP with fisheye cameras?
I've been struggling for weeks to correctly evaluate the pose of a fisheye camera with respect to a padel field. I tried every combination of camera matrix, fisheye correction, normalized coordinates.....
- 140
Advice
0
votes
2
replies
16
views
Cnt of discint chars in substr
unordered_set<char> st;
for (ll i = l; i < r; i++) {
if (st.insert(s[i]).second == true) {
ans++;
}
I am trying ...
0
votes
2
answers
24
views
How to get wall time from cProfile?
I'm using cProfile, and want to find the wall-clock time spent in a specific function, as well as across the entire program. I notice in Using a custom timer it says
... to force use of wall-clock ...
- 8,171
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votes
0
answers
11
views
Detecting network changes in the background in a .NET Maui app
Context: I'm developing an Android app with .NET Maui. My app transfers files to a server. Server can be in LAN only or accessible via internet. Before transfer, connection to server is tested. If ...
- 389
0
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0
answers
22
views
Praat issue: Has anyone else had a recent problem where scripts are running much slower?
My Praat scripts iterate over many small files in a folder. Before, they used to run in like 20 seconds over a huge number of files. Now each file is processed at a steady pace that I can visually ...
- 75
0
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answers
20
views
DAB Installation and path
Since DAB is installed as a .NET global tool in the setup process, how can one reliably identify its install path, underlying binaries, and dependencies for debugging or deployment control? Also what ...
1
vote
1
answer
30
views
Have DuckDB throw error when storing data that would result in data loss
Inserting large numbers into REAL (FLOAT4) fields in DuckDB silently results in data loss / rounding errors. I assume this happens to out-of-range values for other data types, but it's easy to run ...
- 10.3k
-1
votes
0
answers
22
views
Cloud Run container import failed when using Docker Hardened Images
I get this error when deploying a Docker Hardened Image of Node to a Google Cloud Run instance:
Revision 'app-00244-7h5' is not ready and cannot serve traffic. Container import failed.
Using FROM dhi....
- 77
0
votes
1
answer
20
views
The <map> tag on the image does not work if it is loaded dynamically rather than directly in the HTML code
First of all I produced a simple html file with image mapping:
<!doctype html>
<html><head><meta charset="utf-8"><title>xxx</title></head>
<body&...
- 31
0
votes
1
answer
19
views
ASP.NET Core MVC web app using jstree jquery plugin but I don't know how to use jstree events
I'm trying to use jstree in my ASP.NET Core MVC web application. I have no trouble displaying my data using a node class:
public class JsTreeModel
{
public string text { get; set; }
public ...
- 89
Advice
0
votes
2
replies
24
views
Delphi, hooking TBitmap.Create & stack trace
Posting this because I could not find an answer and code produced by two AIs I queried, would not compile. And when I did get it to compile it crashed at some point.
I needed to hook TBitmap.Create ...
- 123
1
vote
0
answers
38
views
BIOS Bootloader: `int 10h` works once but not on the second call
I am writing my own i386 bootloader in Real Mode (org 0x7C00) that is supposed to switch to Protected Mode.
I am currently trying to output two characters with int 0x10 to debug, but only the first ...
- 43
Advice
0
votes
2
replies
25
views
PyTorch training issue with EfficientNetB3 | Validation Accuracy plateu
Before I start, I wanted to add that I’m relatively new to deep learning, so my setup may be overly complex or suboptimal.
I’m training an image classification model (EfficientNet-B3 on grayscale ...
- 1
0
votes
0
answers
26
views
WP_Query meta_value_num order correct in admin but incorrect in frontend (JetEngine Listing Grid)
I’m facing a very specific issue with JetEngine Listing Grid and WP_Query ordering.
Context
Custom Post Type
Numeric meta field: product-ordre
JetEngine Query Builder used
Order by: meta_value_num ...
- 1
Best practices
0
votes
1
replies
24
views
Difference of count aggregation of two columns
I have a table DepartmentChanges that looks something like this.
EmployeeID
PreviousDept
NewDept
UpdateDate
101
Sales
Marketing
2026-01-14
102
Admin
Sales
2026-02-02
I want to get a query of the net ...
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