40 questions from the last 7 days
17
votes
4
answers
2k
views
Why doesn't printing a Unicode character with wprintf work?
I made a small C program that should print an emoji:
#include <stdio.h>
#include <windows.h>
int main(void) {
SetConsoleOutputCP(CP_UTF8);
printf("\U0001F625\n"); // 😥
...
- 195
10
votes
1
answer
576
views
How can I set up Thread-Local Storage (TLS) callbacks on Windows without CRT?
I'm trying to register a Thread-Local Storage (TLS) callback in a Windows application without using the C runtime (CRT).
Compiler: MSVC 14.44.35207 (Visual Studio 2022)
Target: x64
OS: Windows 11
I ...
- 111
-4
votes
1
answer
219
views
Can Postman manage mTLS negotiation using client cert from Windows keystore? [closed]
I'm trying work out a plan for managing access to mTLS secured endpoints (a.k.a 'client certificates') for developers and testers who generally prefer to use Postman. Ideally, we would use non-...
- 1,649
2
votes
2
answers
171
views
What is the biggest number that MSXML can handle in XSLT?
When doing some numerical calculations in XSL templates I stumbled over the fact that a value of 3.600.000.000 which represents the number of microseconds in an hour can be represented in MSXML v6 ...
- 3,197
Tooling
0
votes
3
replies
99
views
Transferring basic Powershell scripts to a full secure windows program
I reviewed the suggested posted, but didn't find an exact match. I've created PS scripts where there is one parent script that runs its functions and then calls upon 25 other subscripts in sequence to ...
- 3
0
votes
4
answers
122
views
How to get from a url string the path to a file with a FOR loop in a Windows batch file?
Given is a string which is a url of a file, e.g. http://url.com/file.zip. I want to extract the path without the file name, i.e. http://url.com/.
My idea for doing this was to break down the string ...
- 41
0
votes
2
answers
79
views
unable to install pytidycensus
I tried to install pytidycensus per these instructions: https://mmann1123.github.io/pytidycensus/index.html
pip install pytidycensus
OS Windows 11, current as of 10/31/2025, with Python 3.13.7 ...
3
votes
0
answers
179
views
Why does setting a slightly smaller resolution(e.g., 1900×1080 instead of 1920×1080) drastically improve USB camera performance in OpenCV on Windows [closed]
I'm using OpenCV-Python on Windows 11 to capture video from a USB camera for object detection tasks. However, I noticed that the camera’s frame rate is extremely low — maybe only about 1 FPS, even ...
- 39
0
votes
1
answer
123
views
C# Https call using HttpClient does work in Windows 7, but not in Windows 10
In Windows 7 32-bit, on .NET 4.6.1, this code works fine and the remote server is returning data:
using (HttpClient client = new HttpClient())
{
client.Timeout = TimeSpan.FromSeconds(3);
...
- 51
1
vote
1
answer
71
views
integration of windows message loop (PeekMessage -> DispatchMessage) with boost.asio
I have a Windows application that uses boost.asio for I/O.
but the asio's io_context::run() executes in a separate thread, because of WinMain() function has while() {} loop with PeekMessage() and ...
- 83
0
votes
1
answer
95
views
Does integer zero division always raise exception on 64-bit Arm on Windows?
When I perform integer division by zero on Windows 11 on Arm64, it raises a SEH exception.
That is rather surprising, considering Arm by default does not trap zero division.
My question is: does the ...
- 14.2k
3
votes
0
answers
154
views
Thread quantum expires in 0.012 milliseconds?
This CPU Usage (Precise) view below seems to indicate that this thread's quantum is expiring after only 0.012 milliseconds on row 19. Rows 6 and 29 look normal with a 15 millisecond thread quantum ...
- 2,413
-4
votes
0
answers
93
views
File empty on docker after copying using std::filesystem [closed]
I'm using std::filesystem::copy_file to copy a file to a certain destination.
When I read that destination with std::ifstream, under certain conditions, I'm reading an empty file. Original.txt is not ...
-1
votes
1
answer
76
views
Why is the cURL command not working from the batch file? [closed]
I need to use cURL from the batch file (.bat) in Windows. My script is the following:
@echo off
curl "https://...url1..." -o "D:/path/file1.htm" "https://...url2..." -o &...
- 1,433
0
votes
0
answers
84
views
Windows apisetschema, not existing lib
While trying to resolve dynamic DLLs (api-ms*, ext-ms*), I face a problem with an undefined reference from kernel32.AddDllDirectory: api-ms-win-core-libraryloader-l1-1-0.AddDllDirectory, but there is ...
- 1