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Introduction to D3DImage

by Dr. WPF

.NET 3.5 SP1 is here! It's time to break out your DirectX skills. This article provides the information necessary to get started using a new DirectX interop feature in WPF called D3DImage.

Artificial Neural Network C++ Class

by Hatem Mostafa

Artificial Neural Network C++ class with two use cases: Counter and Handwritten Digits recognition

Cryptographic Interoperability: Keys

by Jeffrey Walton

Import and export Cryptographic Keys in PKCS#8 and X.509 formats, using Crypto++, C#, and Java.

XColorSpectrumCtrl - a non-MFC color picker control that displays a color spectrum

by Hans Dietrich

XColorSpectrumCtrl displays a color spectrum that allows user selection, and provides APIs for color based on RGB and HSL color models.

Latest Articles

Artificial Neural Network C++ Class

by Hatem Mostafa

Artificial Neural Network C++ class with two use cases: Counter and Handwritten Digits recognition

Machine Learning for C++ developers - the hard way: DirectML

by Michael Chourdakis

An introduction to machine learning with working C++ code that trains a linear regression model.

A C++ Code Function Tracing Class

by PJ Arends

Trace your function calls to the Output window.

by Ștefan-Mihai MOGA

Task Manager shows you the programs, processes, and services that are currently running on your computer. You can use Task Manager to monitor your computer’s performance or to close a program that is not responding.

All Articles

C++

Artificial Neural Network C++ Class

U 23 Apr 2024 by Hatem Mostafa

Artificial Neural Network C++ class with two use cases: Counter and Handwritten Digits recognition

artificial-intelligence

Machine Learning for C++ developers - the hard way: DirectML

N 18 Apr 2024 by Michael Chourdakis

An introduction to machine learning with working C++ code that trains a linear regression model.

machine-learning

IntelliTask

8 Apr 2024 by Ștefan-Mihai MOGA

Task Manager shows you the programs, processes, and services that are currently running on your computer. You can use Task Manager to monitor your computer’s performance or to close a program that is not responding.

Sorting and Removing Elements from the Structure of Arrays (SOA) in C++

2 Apr 2024 by Igor Gribanov

C++ iterators and algorithms work well for containers, but can we sort the Structure of Arrays?

htcw_json: A tiny streaming JSON parser

31 Mar 2024 by honey the codewitch

Stream JSON efficiently on little devices with minimal flash and memory usage

More SQLite Multi-threading

25 Mar 2024 by Mircea Neacsu

Examines the performance of SQLite in multi-threading applications

Dynamically Updating Firmware from Arbitrary Sources on an ESP32

24 Mar 2024 by honey the codewitch

Do you need to be able to perform a firmware update without using WiFi? This project is for you.

How to Restart a USB Port

23 Mar 2024 by Uwe_Sieber

Shows how to use IOCTL_USB_HUB_CYCLE_PORT to restart a USB port under Windows

ScreenCapture: Single Header DirectX Library with HDR ability

20 Mar 2024 by Michael Chourdakis

DirectX hardware screen capture and encoding with audio mixing capabilities. H264/H265/VP80/VP90/FLAC/MP3. HDR supported.

ttgo_clock: An Internet Enabled Retro Digital Clock

19 Mar 2024 by honey the codewitch

Just a clock with snazzy digits that syncs using NTP and gets your timezone from your IP.

Practical Implementation of Interval Arithmetic

16 Mar 2024 by Henrik Vestermark

The steps needed to build an Interval Arithmetic class in C++

XML Sitemap

14 Mar 2024 by Ștefan-Mihai MOGA

An alternative Windows version to XML Sitemap online generators

Snake Two Ways: Exploring Circular Arrays and Queuing

7 Mar 2024 by Michael Sydney Balloni

A "new" queue data structure is described and compared with existing collection types

Tile Grid Control

5 Mar 2024 by PJ Arends

An MFC CWnd derived grid of user definable tiles

A DIY Bluetooth LE to WiFi Bridge

4 Mar 2024 by deangi

A Bluetooth LE scanner gathers data on a schedule from one or more BLE servers and forwards it to WiFi.

Tetris Wall Art for Arduino

4 Mar 2024 by honey the codewitch

Display automated (optionally controllable) Tetris on an LCD or Neopixel panel

Lee Algorithm Mazesolver

3 Mar 2024 by Shao Voon Wong

Lee Algorithm Mazesolver in MFC and Direct2D

NTP/SNTP v4/v3 Server/Client C++

2 Mar 2024 by JadBenAutho

Efficient and standalone library for NTP server/client utilizing pure C++

operating-systems

synchronization

ZetScript Programming Language

27 Feb 2024 by jespa007

A simple script engine for C++

A DIY Bluetooth Low Energy Temperature and Humidity Server

26 Feb 2024 by deangi

An ESP32 with a temperature/humidity sensor are configured as a bluetooth low energy server to provide remote monitoring

Getting Crafty With Graphics With Just Kilobytes of Flash and Almost No RAM

24 Feb 2024 by honey the codewitch

Got an embedded or IoT widget with a screen but no real memory or flash space to speak of? Read this.

How to Design an AXI4 Stream Interface in Vitis HLS

21 Feb 2024 by FPGANinja

A walkthrough and source code for designing a stream interface in Vitis HLS

IntelliPort

21 Feb 2024 by Ștefan-Mihai MOGA

You can use IntelliPort to transfer large files from a computer onto your portable computer using a serial port rather than going through the process of setting up your portable computer on a network.

Working with AWS Lambda C++ Runtime as Lambda layer

21 Feb 2024 by P. Erward

How to put the AWS Lambda C++ Runtime into a Lambda layer and how to use it

VC++: 30 Multithreading Mistakes on Windows

14 Feb 2024 by Shao Voon Wong

Learn 30 Windows Multithreading Mistakes and Solutions to Avert Them

Thank You for Your Service: Creating a Persistent Isolated Windows Service

14 Feb 2024 by Michael Haephrati

Windows Services are powerful little beasts and encountering them is unavoidable when developing under Windows

IoT Data Hub for Remote Edge Deployment

10 Feb 2024 by deangi

IoT data edge hub is designed for remote low power unattended applications. IoT devices can post data to the Hub which will store the data and make it available for later download to core servers. Design is based on a low cost ESP32 platform with an attached SD card.

Your Own AVI Shop

8 Feb 2024 by Petrov Vladimir

Build up our own AVI editing application and explore some fun techniques using simple code additions

3D Computer Graphics from Scratch

1 Feb 2024 by Orphraie

Study of 3D graphics in video games with minimal prior knowledge of mathematics

The Guide to WinUI3 for a C++ Win32 Programmer

1 Feb 2024 by Michael Chourdakis

Easily migrate to WinUI3 from plain Win32 while keeping all Win32 features intact

A DIY IoT Power Monitor

28 Jan 2024 by deangi

Monitoring AC loads with CT sensors

C++17 Easy String to Number and Vice Versa

27 Jan 2024 by Shao Voon Wong

C++17 easy string to number and vice versa conversions in header-only class

Introduction to Native DLLs - Part 2: Exporting Functions

25 Jan 2024 by Bruno van Dooren

An introduction to exporting functions from DLLs

A Custom STL std::allocator Replacement Improves Performance

21 Jan 2024 by David Lafreniere

Protect against heap fragmentation faults and improve execution speed with a fixed block alternative to STL std::allocator

Replace malloc/free with a Fast Fixed Block Memory Allocator

21 Jan 2024 by David Lafreniere

Replace malloc/free with xmalloc/xfree is faster than the global heap and prevents heap fragmentation faults.

Introduction to B-trees: Concepts and Applications

20 Jan 2024 by Ștefan-Mihai MOGA

How to solve real-life problems using B-trees

Convert a Win32 Project to WinUI3 Automatically

20 Jan 2024 by Michael Chourdakis

A set of tools to create a new VCXPROJ file automatically

Crypt Library Demo - The Basics of Microsoft CryptoAPI Library

20 Jan 2024 by Ștefan-Mihai MOGA

The article discusses the concept of cryptography and its application in ensuring data security.

A DIY Time Lapse Photography Camera

17 Jan 2024 by deangi

The inexpensive ESP32 platform is used to take periodic photos that can make a time-lapse video.

A DIY Web Enabled Water Meter

16 Jan 2024 by deangi

An ESP32 is used to track water usage and serve web pages with water use data

Harlinn.Windows - A Visual Studio 2022 Solution

15 Jan 2024 by Espen Harlinn

Harlinn.Windows is a collection of libraries that I have put together that serves as a big part of the runtime we use at work.

Introduction to Native DLLs - Part 1: Boilerplate

11 Jan 2024 by Bruno van Dooren

In this article, I explain how to create win32 style DLLs and what the various significant intricacies are.

Fast and Stable Polynomial Root Finders - Part Six

8 Jan 2024 by Henrik Vestermark

Ostrowski multi-point method for Polynomial roots

Fast and Stable Polynomial Root Finders - Part Five

20 Dec 2023 by Henrik Vestermark

Durand-Kerner method for Polynomial roots. A fast and reliable simultaneous method

Performance Optimization on Intel® Processors with High Bandwidth Memory

18 Dec 2023 by Intel

A Deep Dive into Performance Tuning for the Intel® Xeon® CPU Max Series

Beyond Direct Memory Access: Reducing the Data Center Tax with Intel Data Streaming Accelerator

18 Dec 2023 by Intel

Take Advantage of On-Chip Acceleration of Data Transformation in 4th Gen Intel® Xeon® Scalable Processors

CaptureManager SDK - Capturing, Recording and Streaming Video and Audio from Web-Cams

17 Dec 2023 by Evgeny Pereguda

This article presents my project for capturing of video and audio sources on Windows OS by Microsoft Media Foundation.

Integer Factorization: Trial Division Algorithm

15 Dec 2023 by Patrice T

Small review of Trial Division algorithm

Cultivating Parallel Standards: Diversity, Alignment, and Cross-Pollination

14 Dec 2023 by Intel

The article emphasizes the importance of interoperability between various standards, such as Level Zero, SYCL, SPIR-V, OpenMP, ISO C++, and ISO Fortran, and explores the evolution and alignment of these standards over the last decade, while also considering how SYCL may influence the future of

Using Asynchronous Procedure Calls (APC) in Windows based C++ applications to perform GUI Update

8 Dec 2023 by Bruno van Dooren

How to use APCs to perform user interface updates

parallelization

Fast and Stable Polynomial Root Finders - Part Four

29 Nov 2023 by Henrik Vestermark

Laguerre's method for a stable and efficient polynomial root finder.

ESP32 DIY GPS Tracker

21 Nov 2023 by deangi

DIY GPS Location Tracker

Fast and Stable Polynomial Root Finders - Part Three

11 Nov 2023 by Henrik Vestermark

Practical implementation of a fast, robust and stable polynomial root finder using Halley's method

2ascii: Render JPGs PNGs, SVGs and text to ASCII

23 Oct 2023 by honey the codewitch

Create ASCII art from common image formats and text

Dealing with DCOM Hardening - Part 1

19 Oct 2023 by Bruno van Dooren

An overview of the different ways to mitigate the impact of DCOM hardening

Fast and Stable Polynomial Root Finders - Part Two

17 Oct 2023 by Henrik Vestermark

Fast and Stable Polynomial root finder for Polynomial with real coefficients

Reboot or Not to Reboot?

13 Oct 2023 by Maxim Kartavenkov

This is a guide on how to configure your application, service or driver to handle appearing the new devices or device removal avoiding reboot request.

Fast and Stable Polynomial Root Finders - Part One

11 Oct 2023 by Henrik Vestermark

Practical implementation of a fast, robust and reliable polynomial root finder using Newton's method

Doing UTF-8 in Windows

9 Oct 2023 by Mircea Neacsu

This is (yet another!) article on how to handle UTF-8 encoding on a platform that still encourages the UTF-16 encoding.

A Tale of Two Binding Mechanisms: Some C++ Love

3 Oct 2023 by honey the codewitch

Exploit some of the power of C++ and optimize the way your code calls your code.

Winduino: A Tool to Prototype Arduino Projects on the PC

30 Sep 2023 by honey the codewitch

Run and develop Arduino code, including a display, on PC using this Windows PC shim and emulator.

Inverted Indexes: A Scala Step-by-Step Implementation Guide

25 Sep 2023 by Leonid Chashnikov

Discover an efficient way to implement document search using inverted index

24 Sep 2023 by optiklab1

Inspired while creating a maze map for the Wall-E project, follow this tutorial to explore ways to algorithmically generate mazes using Graph Theory.

22 Sep 2023 by Brian Aberle

XMLFoundation is the fastest XML Parser available. It is also a framework foundation for an application that uses XML to enable Object-XML mappings and Application Layer binding to XML Data objects.

Reverse-engineering Linear PRNG with Exploratory Seeding

21 Sep 2023 by Member 4201813

How to calculate transition matrix for linear pseudo-random number generator manipulating its internal state

How To Do Math in C++ using morph::vvec

19 Sep 2023 by sebjameswml

morph::vvec allows you to do vector math without any external libraries

ToDoList 8.2 - An Effective and Flexible Way to Keep on Top of Your Tasks

17 Sep 2023 by .dan.g.

A hierarchical task manager with native XML support for custom reporting

Universal implementation of BFS, DFS, Dijkstra and A-Star algorithms

15 Sep 2023 by optiklab1

I demonstrate with an actual implementation that well-known algorithms BFS, DFS, Dijkstra, and A-Star are essentially variations of the same algorithm.

Exploring Path Finding Algorithms for WallE

15 Sep 2023 by optiklab1

I previously showed a way to unify implementation of graph-traversal algorithms. Now, I make it more visually appealing and look into the performance differences.

Porting Your Applications to Arm64 Using Arm64EC — Series (Part 2)

13 Sep 2023 by Dawid Borycki

Porting Your Applications to Arm64 Using Arm64EC — Series (Part 1)

13 Sep 2023 by Dawid Borycki

In this article, you will build a Qt-based Python application with two C/C++-based DLL dependencies. This architecture mimics a typical scenario of using Python and Qt for rapid UI prototyping and DLLs for computation-intense work.

Windows Version Detection

1 Sep 2023 by Shao Voon Wong

Windows Version Detection using C# and C++

AES Encrypted Data Transmission between Arduino (ESP32) and C# (ASP.NET)

19 Aug 2023 by adriancs

Communication between Arduino and C# (ASP.NET) by using AES encrypted HTTP GET request

Tracing and Logging Technologies on Windows. Part 4 - Saving Log

18 Aug 2023 by Maxim Kartavenkov

Discussion of how to organize saving application trace helper information.

Diligent Engine: A Modern Cross-Platform Low-Level Graphics Library

18 Aug 2023 by EgorYusov

This article introduces Diligent Engine, a modern cross-platform graphics API abstraction library and rendering framework

cngsha3: A Cryptography Next Generation Implementation of Newer Algorithms

13 Aug 2023 by Michael Chourdakis

Use SHA-3 and the CRYSTALS Kyber, Dilithium and Sphincs in Win32 projects

C++ Exception with Callstack

12 Aug 2023 by Shao Voon Wong

C++23 Exception and C++ Windows Exception with Callstack

Using Bitwise Operations on Bitfields as a Primitive SIMD

2 Aug 2023 by Patrice T

How to use bitwise operations on Bitfields as primitive SIMD

Interfacing C++ and Python with the Python API

2 Aug 2023 by Matt Scarpino

This article explains how the Python API makes it possible to embed Python in C++ and write extension modules in C++ that can be imported in Python.

io_uring Based Implementation of b3sum

27 Jul 2023 by 1f604

An implementation of b3sum based on io_uring

Fastest b3sum using io_uring, faster than cat to /dev/null

26 Jul 2023 by 1f604

Source code and explanation of my io_uring based implementation of b3sum

Porting EspMon to ZephyrOS on a STM32 Boards (or other boards, with a little work)

24 Jul 2023 by honey the codewitch

A crash course in using Zephyr RTOS with my IoT ecosystem

Fast String Matching with Wildcards, Globs, and Gitignore-Style Globs - How Not to Blow it Up

22 Jul 2023 by Robert van Engelen

Classic globbing and modern gitignore-style globbing algorithms can be fast, whereas recursive implementations are known to blow up exponentially; why some freely available source code should not be used.

Unity Graphics Emulator for Native Plugin Development

12 Jul 2023 by EgorYusov

This article describes Unity low-level plugin interface and the Unity graphics interface emulator that facilitates native plugin development.

11 Jul 2023 by honey the codewitch

Monitor your PC's CPU and GPU with an ESP32

Tracing and Logging Technologies on Windows. Part 3 - User Mode Handles in the Kernel

5 Jul 2023 by Maxim Kartavenkov

Continue discussion of the simple kernel drivers tracing mechanisms by using output information into the handles of the files pipes and console passed to the driver from the host application.

How to Move from CUDA Math Library Calls to oneMKL

27 Jun 2023 by Robert Mueller-Albrecht

Using the Intel® oneAPI Math Kernel Library SYCL API

oneDPL Empowers Your C++ Application for Cross-Device Parallel Programming with SYCL

26 Jun 2023 by Robert Mueller-Albrecht, Nikita Sanjay Shiledarbaxi

This article gives you a brief introduction of oneDPL, including a glimpse of its component APIs, and walks you through a preliminary code sample showing a practical implementation of the library.

FingerPrintf: A Small Library for Quick Usage of the Biometric API, Fingerprint and Camera

18 Jun 2023 by Michael Chourdakis

Use your sensors for identification and verification

Tracing and Logging Technologies on Windows. Part 2 - Simple Ways Tracing in the Kernel Mode

15 Jun 2023 by Maxim Kartavenkov

Discussion of simple ways of tracing and also new tracing technologies involved in Windows 10

Cross Platform AES 256 GCM Encryption / Decryption

9 Jun 2023 by Kashif.Mushtaq.Ca

Cross Platform AES 256 GCM Encryption and Decryption (C++, C# and Java)

Using Arm64EC with Windows 11

22 May 2023 by Dawid Borycki

This article demonstrates how to use Arm64EC in a C++ application. The application you will implement performs the multiplication of two pseudo-randomly generated square matrices.

Tracing and Logging Technologies on Windows. Part 1 - Simple Ways Providing Information for Tracing

18 May 2023 by Maxim Kartavenkov

The series of articles covers most aspects of logging and tracing mechanisms which can be embedded into your application. It discusses simple ways of tracing and also new tracing technologies which were involved in Windows 10.

Zero in on Level Zero

12 May 2023 by Robert Mueller-Albrecht

An Open, Backend Approach to Compute Anywhere

Device Discovery with SYCL

9 May 2023 by Henry A Gabb, John Pennycook

Learn about the Accelerators in Your System

WinUI3 in Existing Win32 Applications

6 May 2023 by Michael Chourdakis

How to use the WinUI3 controls in a plain Win32 application without packaging

Bring Your Animations to H264/HEVC Video

25 Apr 2023 by Shao Voon Wong

Bring your animations to H264/HEVC video using C++ and C# with h/w acceleration

C++: Windows Toast Notification

25 Apr 2023 by Shao Voon Wong

Windows Toast Notification in C++

Find GDI Leaks With Windows Debugger

25 Apr 2023 by Shao Voon Wong

Tracing GDI Leaks with Windows Debugger

Consuming Your C# Library in MFC/C++ Project

11 Apr 2023 by Shao Voon Wong

Consuming Your C# Library in MFC/C++ Project via C++/CLI