aliakseis
aliakseis
/ gist:9d90ac50261e5472267f8e726e2de483
Created
June 23, 2025 13:39
Python install and import
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import sys | |
| import os | |
| import socket | |
| import importlib | |
| import subprocess | |
| def _install_and_import(package, | |
| alias=None, | |
| version=None, | |
| package_name=None, |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import asyncio | |
| import yt_dlp | |
| def progress_hook(d): | |
| if d['status'] == 'downloading': | |
| print(f"Downloaded {d['downloaded_bytes']} bytes of {d['total_bytes']} bytes") | |
| async def download_video(url): | |
| ydl_opts = { | |
| 'format': 'best', |
aliakseis
/ gist:8ae52a9aa41f6f714a835c3852c30b1b
Created
February 22, 2025 16:06
MSVC exception stack trace
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| LONG WINAPI VectoredHandler(EXCEPTION_POINTERS* ExceptionInfo) { | |
| // Filter out only C++ exceptions | |
| if (ExceptionInfo->ExceptionRecord->ExceptionCode == 0xE06D7363) { // MSVC C++ exception code | |
| CONTEXT context = *ExceptionInfo->ContextRecord; | |
| HANDLE process = GetCurrentProcess(); | |
| HANDLE thread = GetCurrentThread(); | |
| SymInitialize(process, NULL, TRUE); | |
| STACKFRAME64 stackFrame; |
aliakseis
/ gist:93ff3b9c41ed82e20992606dee4a7ae1
Created
May 27, 2024 10:34
This could be a part of a meta-programming framework in C++ that uses macros and templates to generate metadata about classes.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #define BEGIN_META_MAP(classname) \ | |
| template<int id, int> friend struct CDescriptor; \ | |
| private: \ | |
| enum { ID_REFERENCE_POINT = __COUNTER__ }; \ | |
| typedef classname TheClass; \ | |
| template<int id, int=id> struct CDescriptor \ | |
| { \ | |
| }; \ | |
| template<int id> struct CDescriptor<id, 0> \ | |
| { \ |
aliakseis
/ gist:3f92a73da2ea6c85683b58e9dced604c
Last active
May 22, 2024 19:43
Improved fast atan2 and hypot approximations
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| double fast_atan(double x) { | |
| return x / (1 + 0.3211 * x * x); | |
| } | |
| double do_fast_atan2(double y, double x, bool abs_x_lt_abs_y) { | |
| if (abs_x_lt_abs_y) { | |
| double z = x / y; | |
| double atan_z = fast_atan(z); | |
| if (y > 0.0) { |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| inline double fast_atan(double x) { | |
| // http://www-labs.iro.umontreal.ca/~mignotte/IFT2425/Documents/EfficientApproximationArctgFunction.pdf. | |
| //constexpr auto scaling_constant = 0.28086; | |
| //constexpr auto N2 = 0.273; | |
| constexpr auto scaling_constant = 0.274; | |
| constexpr auto N2 = 0.258; | |
| return ((M_PI_4 + N2) / 2. - (N2 / 2.) * std::abs(x)) * x | |
| + x / (2. + (scaling_constant * 2.) * x * x); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>libdatachannel media receiver example</title> | |
| </head> | |
| <body> | |
| <p>Please enter the offer provided to you by the receiver application: </p> | |
| <textarea cols="80" rows="25"></textarea> |
aliakseis
/ Blitz2D.cpp
Created
June 26, 2022 11:38
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /////////////////////////////////////////////////////////////////////////////////// | |
| // // | |
| // Blitz 2D // | |
| // // | |
| // Code to make easy use of DirectX / GDI+ to draw 2D graphics // | |
| // // | |
| // By Sean O'Connor 2010 // | |
| // // | |
| // Thanks to: // | |
| // Wendy Jones - for the book "Beginning DirectX 9" // |
aliakseis
/ gist:bb3d5b5e32604ee88418475b4c13c537
Created
June 2, 2022 15:02
ROS changes to build on Windows
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Edit: C:\opt\ros\noetic\x64\share\catkin\cmake\all.cmake | |
| test/catkin_download_test_data | |
| # test/gtest | |
| test/nosetests | |
| Edit: C:\opt\ros\noetic\x64\share\ros\core\rosbuild\private.cmake | |
| - check_same_directories.py => check_same_directories | |
| - added string(REPLACE "\\" "/" _pyl "${_pyl}") | |
| - _rosbuild_cmakelist_to_pylist calls modified | |
| macro(_rosbuild_cmakelist_to_pylist _cmakelist _pylist) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // ansi2utf8.cpp : This file contains the 'main' function. Program execution begins and ends there. | |
| // | |
| #include <iostream> | |
| #include <string> | |
| #include <fstream> | |
| #include <streambuf> | |
| #include <atlcore.h> |
NewerOlder