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Custom Controls in Win32 API: Scrolling

by Martin Mitáš

How to support scrolling within your controls.

Synchronization with Visual C++ and the Windows API

by Espen Harlinn

Choosing the right synchronization mechanisms when working with threads, thread-pools, and I/O Completion ports to create high performance asynchronous servers in C++

Intermediate Data Clustering with k-means

by Andy Allinger

Add features to k-means for missing data, mixed data, and choosing the number of clusters

Authenticated Encryption

by Jeffrey Walton

Perform authenticated encryption with Crypto++.

Latest Articles

BASIC is not dead! Neither is the WIN32! Time to end the myth. (Part 3)

by Chris Boss

BASIC: A powerful language often underestimated and undervalued

RGFW | Singler-Header Lightweight Framework for Basic Window and Graphics Context Handling (like GLFW)

by ColleagueRiley

A multi-platform single-header very simple-to-use framework library for creating GUI Libraries or simple GUI programs.

How to Design an AXI4 Stream Interface in Vitis HLS

by FPGANinja

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

Fast SSE Pseudo Random Number Generator

by Alexey Shtykov

The thing that could generate pseudo random numbers faster than standard library does

All Articles

C

Custom Controls in Win32 API: Scrolling

26 Feb 2018 by Martin Mitáš

How to support scrolling within your controls.

custom-controls

Synchronization with Visual C++ and the Windows API

23 Mar 2021 by Espen Harlinn

Choosing the right synchronization mechanisms when working with threads, thread-pools, and I/O Completion ports to create high performance asynchronous servers in C++

Intermediate Data Clustering with k-means

7 Jun 2023 by Andy Allinger

Add features to k-means for missing data, mixed data, and choosing the number of clusters

machine-learning

Authenticated Encryption

23 Mar 2009 by Jeffrey Walton

Perform authenticated encryption with Crypto++.

Create An Awesome WPF UI for Your C++/QT Applications

6 Jan 2020 by The Ænema

This article will teach you how to create an amazing, clean and smooth WPF/Winform UI for your native application without using any complex, unsafe, ActiveXish methods, etc.

A Note on How Functions are Called

28 Jun 2023 by Dr. Song Li

This is a note on how compilers implement function calls to pass the parameters to and get the return value from the called functions.

Using C Calling Convention Callback Functions in C# and VB - The Easy Way

13 Sep 2005 by Jecho Jekov

Provides an easy way to use C calling convention callback functions in C# and VB

Driver Loader [DLoad] from Scratch

2 Nov 2009 by csrss

A tool for loading device drivers

64-bit Structured Exception Handling (SEH) in ASM

1 Nov 2017 by Jose A Pascoa

Rolling up a practical solution

Never Buy A Garage Door Remote Again: Open Your Door With Your Android Phone (via Bluetooth)

27 Jul 2016 by raddevus

Steps for building a device you can add to your existing garage door, which implements an atmega328, bluetooth (hc-05) and relay module which will allow you to open your garage door from any paired Android device.

Practical Electronics for Makers (Part 4 of N)

20 May 2018 by raddevus

Chapter 4 - Resistors and Resistance

From WAV to Graphics to MIDI

12 Aug 2023 by Andy Allinger

Convert audio to image. (Edit the image.) Convert image to music.

Please do my homework - simple C program

8 Jan 2010 by Jimmanuel

Sorry, but no. Do your own homework. We can help if you have specific questions but don't expect full blown answers.The point of taking a class is to learn a subject; that's not going to happen if someone does all of the work for you. If you don't want to do the work then why take the class?

Computer Vision Sandbox

4 Apr 2019 by Andrew Kirillov

An open source application to acquire and process video from cameras

computer-vision

The OpenGL and GLUT: A Powerful Graphics Library and Utility Kit

10 Sep 2010 by logicchild

An article that explains how to use this library

Recursive Internetworking

10 Sep 2018 by Kewin Rausch

Moving forward in the future networks evolution

Is MFC obsolete?

25 Sep 2008 by Rajesh R Subramanian

Of all your questions I've attempted, this is the toughest one, Christian.First off, .NET and C++ (I will say only C++ in this message. But, When I say C++, include the frameworks and libraries built on and around it - MFC, ATL, WTL, etc.,) are...

Duck Three Ways: File I/O and String Performance Comparison Between C#, C++, and C

27 Sep 2022 by Michael Sydney Balloni

Different languages and approaches are evaluated for a file and string processing benchmark

Karatsuba Long Multiplication Algorithm

11 Jan 2023 by Andrea Simonassi

A simple yet powerful multiplication algorithm

Please do my homework - simple C program

8 Jan 2010 by CPallini

Sorry, we don't do your homework. Try yourself and ask here specific questions when you're in troubles. :)

Remote control based on c8051 with 433MHz radio modules

3 Feb 2010 by ingvar8

Remote control based on c8051 with 433MHz radio modules.

Debugger for Arduino

18 Jan 2018 by Jan Dolinay

Source level debugger for Arduino with GDB and Eclipse

The Secrets of Google Chrome Credentials

30 Jan 2017 by Michael Haephrati

Chrome stores all passwords and other credentials in an encrypted database but guess what: they can be retrieved by anyone with the proper knowledge. This article will show you how.

Week Numbers According to ISO8601

7 Mar 2010 by Luc Pattyn

This is an alternative to "Week Numbers According to ISO8601".

Adventures with the Pi ... part 4

17 Sep 2017 by leon de boer

Introducing SmartStart something like a BIOS for the Pi

New Features of C# 8

7 Nov 2019 by koolprasad2003

This article will give you a brief idea about what's new in C# 7.1, 7.2, 7.3, 8.

Debugging an Arduino project with GDB on Classic ATtiny and Small ATmega MCUs

12 Mar 2022 by Bernhard Nebel

A tutorial for people who finally want to debug their Arduino projects that run on AVR MCUs using the GNU project debugger GDB

A Fixed Block Memory Allocator in C

24 Dec 2018 by David Lafreniere

Unique allocator features improve performance and protect against heap fragmentation faults on any C or C++ project.

COM in plain C, Part 7

8 Aug 2006 by Jeff Glatt

An ActiveX Script Host with custom COM objects. This allows a script to call C functions in your app.

Easy OpenCL Multiple Device Load Balancing and Pipelining For C#: Cekirdekler API

5 Oct 2017 by tugrulGtx

Multi-device OpenCL load balancer and pipeliner for C# in few lines of code.

Embedding AWK in a C program

5 Apr 2020 by Mircea Neacsu

An AWK interpreter converted to a C-callable library

C/C++ Headers and Source Files: How Do They Work?

3 Sep 2022 by honey the codewitch

Understand the difference between headers and source files, what they do, and how they work together.

Introduction to Web Assembly with C/C++

8 Nov 2019 by Joel Ivory Johnson

An introduction to web assembly using the C/C++ language, part 1. In this part, I introduce web assembly, walk you through setting up the development tools, and go through a couple of introductory programs.

Perceptual Hash based Image Comparison: Coded in "plain old C". An Anecdotal View

4 Jun 2023 by GeorgeDS

An anecdotal report describing issues encountered in coding a minimal perceptual hash capability, in plain old C, in to 35 year old rolling development, with the goal of running on a noob Win 10/11 installation.

Implementing a Universal Turing Machine With Only mov Instructions

5 Feb 2017 by Gregory Morse

UTM based on mov is Turing-complete paper x86 and x86-64

A USB HID Keyboard, Mouse, Touchscreen emulator with Teensy

13 Nov 2017 by Elmue

This article describes how to use a Teensy 3.1 board from PJRC.com to simulate keyboard, mouse and touch screen USB HID devices at the same time. This allows to remote-control a computer through one USB cable.

Difference between C & C++

5 Mar 2011 by CPallini

1) STR is a pointer to character(s), initialized with the constant character sequence {'h','e','l','l','o', \0'}. you may, in following statements of your program change its value, for instance: char c='a'; STR = &c;On the other hand, arr is an array of characters, initialized with the same...

Designing the Interface of DLLs in C/C++ Projects

19 Feb 2016 by pasztorpisti

An advice to make your DLL interface more attractive and easier-to-maintain even in cross-platform projects

Fast Fourier Transform Caterpillar Method

3 Jul 2017 by Alexander Semjonov

Developing fastest FFT implementation based on precompile tool using data driven approach

Evolution of Polymorphic Malware

14 Apr 2018 by Kewin Rausch

An introduction on how these applications self-defend themselves against scanning techniques, and how they could have evolved from simple and naive forms to more sophisticated ones.

dwl::fractalBrowser

17 Jan 2021 by David O'Neil

Everybody Loves the Mandelbrot Set! Here's a browser for it!

Never Type A Password Again (The Continuing Saga)

24 Jun 2018 by raddevus

Build this Arduino-driven device which incorporates a touch-screen and Bluetooth and you'll never have to type a password again.

Arduino Home Distillery

18 Dec 2021 by Christ Kennedy

Distil hand-sanitizer and other social lubricants using an Arduino

Toolset to Cross Compile/Remote Debug Raspberry from Windows Host

30 Jan 2020 by fd9750

Overview of required tools to cross compile/build/remote debug C/C++ projects on a Windows host ( 10 ) for a Raspberry PI 3B

Another Star Trek Game (The Retro One)

27 Aug 2008 by BadKarma

The Star Trek game reworked, using a 2D retro look

Setting up an MS Outlook Appointment C#

28 May 2010 by DecodedSolutions.co.uk

This is a simple article describing how to create an add an outlook appointment to your MS Outlook Calender.

SQL-Server-2005

A Simple, Portable Yet Efficient Quicksort Implementation in C

13 Oct 2013 by Member 9294701

A simple, portable yet efficient Quicksort implementation in C

How to execute both if..else statement same time

14 Aug 2013 by CPallini

You cannot have both conditions satisfied, that would defeat the very purpose of the if .. else construct.Of course we Klingons have a special licence for fouling the language neatness:#include using namespace std;int main(){ if (true) { cout

Custom Context Menu

28 Mar 2014 by Alex Culea

Shows how to create a window that behaves like a context menu

Introducing Semtrex

11 Apr 2015 by Marc Clifton, Arthur Brock, Eric Harris-Braun

Semtrex is a semantic tree expression evaluator

WoT with Arduino for Beginners: Part 2 - Connecting to the Real World via Sensors

18 Apr 2016 by Mircea Diaconescu, Gerd Wagner

Learn how to develop Arduino-based apps for the Web of Things (WoT). This second part of a series of tutorials shows how to read analog and digital sensors with the help of Arduino.

A Novice's Guide to the BeagleBone Platform and Software Development Using C++

8 Mar 2017 by Eric D Schmidt

A crash course in working with the BeagleBone and its built-in A/D converter, GPIO, and I2C bus using C++

Parallel Scalable Burrows-Wheeler Transformation (BWT) Using Intel® Threading Building Blocks and OpenMP Libraries

2 May 2017 by Arthur V. Ratz

This article is a practical guide on using Intel® Threading Building Blocks (TBB) and OpenMP libraries for C++ based on the example of delivering parallel scalable code that implements Burrows-Wheeler Transformation (BWT) algorithm.

The Structure of import Library File (.lib)

1 Aug 2018 by Member 13737597

This article show the structure of import library file (.lib) used along with header to link against DLL

Asynchronous Multicast Callbacks in C

29 Jan 2019 by David Lafreniere

Simplify passing data between threads with this portable C language callback library.

Dark Corners and Pitfalls of C++

15 Aug 2019 by SimbirSoft

C++: love and intrigue

Introduction to OpenGL with C/C++ on ReactOS

10 May 2021 by Steffen Ploetz

Check whether ReactOS is able to run OpenGL, determine a convincing IDE and get started with the OpenGL on ReactOS.

A Tour of the Arduino Mega 2560+WiFi R3

30 Oct 2020 by honey the codewitch

Using this cheap, powerful little device to make magic

Eat Your Own Dogfood

7 Oct 2021 by Mircea Neacsu

Source code organization suggestion

project-management

The Secrets of Firefox Credentials

30 Jan 2017 by Michael Haephrati

Way to fetch stored credentials in more recent versions of Firefox

Good Old & Dirty printf() Debugging in a Non-console C/C++ Application or DLL

25 Jul 2012 by pasztorpisti

How to open a console in a non-console C/C++ application or DLL and make printf/scanf work (stdin/stdout/stderr related functions)

why can't i see 1's and 0's when i open an exe(executable) opened in a text editor

13 Jun 2012 by lewax00

Well let's start with the most obvious problem, you opened it in a text editor. The text editor assumes anything you want opened in it is text, and is therefore showing you the equivalent text of the executable.EVERY file on your computer is in 1's and 0's. All the time. It's how computers...

Email Search Engine

11 Jan 2015 by SarmadAsghar

Building on My SQL Storage Engines and APIs to Conduct Complex Analysis Using SQL Query Language: Part 5

Building and configuring OpenSSL in Visual Studio (MSBuild).

30 Mar 2015 by Eugene Sadovoi

Integrating third party tools and libraries into Visual Studio (MSBuild) configuration environment.

WoT with Arduino for Beginners: Part 3 - Connecting to the Internet via WiFi

3 May 2016 by Mircea Diaconescu, Gerd Wagner

In this multi-part tutorial we show how to develop Arduino-based apps for the Web of Things (WoT). This third part shows how to set up a connection between an Arduino and the Internet via a WiFi network and use HTTP(S) to send data to a free cloud service like ThingSpeak.

RPI3 B+ - Adventures in Pi-land part 3 (Updated Supports Pi1 & 2)

18 Jan 2017 by leon de boer

Third in the series of frustrations and adventures with the Raspberry Pi

Event Tracing for Windows: Reducing Everest to Pike's Peak

8 Jun 2017 by David A. Gray

Historically, ETW has been portrayed as having a very steep learning curve, along the lines of the effort required to summit Everest. Realizing its potential value, I set about to reduce the effort to that required to summit Pike's Peak.

Design and Develop an Anonymous Network

15 Oct 2017 by Kewin Rausch

Design and development of a TOR-like protocol to keep your communication secure and your identity unknown

Vga Text Mode: To Hell and Back

10 May 2018 by Member 13737597

This article shows how to enter vga text mode and return from it on Windows 7

Yet Another Fully Functional ownerdraw Menu

23 Jan 2020 by Steffen Ploetz

Another fully functional ownerdraw menu with minimal effort - this time based on Win32, with icons instead of bitmaps, with accelerators and tested for ReactOS and WinNT 4.0 to Windows 10

Simple Socket Protocol for Embedded Systems

2 Jan 2022 by David Lafreniere

A portable C language socket-based software transport protocol library for any hardware communication interface on any platform

How to Create HaarCascade XML file

30 Nov 2010 by C_Johnson

Hi Ahmed,I was going to try and give you are concise answer but I'm limited for time so I apologise. I've been using EMGU for several years now and I've looked into Haar Classifiers extensively. I intend to write an article at some point. There is a lot out there on Haar classifiers but a...

Creat Directory in My Computer

9 Feb 2011 by User 7429338

Despite of the high votes on Prerak Patel's answer, you can not use mkdir to create a folder under My Computer; My Computer is not a conventional folder.To add something to My Computer, you have to make a Shell Folder. Have a look at my answer here[^] for an example.To implement this in...

direct memory address to a pointer

18 Jul 2011 by Sergey Alexandrovich Kryukov

You can do it: int * p2 = reinterpret_cast(0x22fefc);//C-style cast:int * p1 = (int*)0x22fefc;//easy to check-up: p1==p2, but de-referencing them could be a problem :-)The result depends on the platform. On most modern platforms is would looks like some random...

Can't we use threads inside the member function of class?

11 Oct 2012 by CPallini

You may use only a static class member function as (third) argument to CreateThread (see ThreadProc callback function[^]).If you need to access class instance members from the thread routine the you may pass object's this pointer as thread function parameter.[UPDATE]change your function...

Where do I start the journey of so-called 'programming'?

17 Jan 2014 by OriginalGriff

Wow! That's a big question...You've been using computer since '03, so at a guess you're twenty-something. So we can assume you want "real" programming rather than something for kids. That both makes it easier, and harder - easier because we can ignore LOGO and getting stupid turtles to draw...

WinDrawLib

11 Apr 2016 by Martin Mitáš

Direct2D or GDI+? Perhaps both, with a help of the right library.

cobj: Polymorphism in Plain C

7 Jun 2016 by GProssliner

cobj is a preprocessor based generator for interface based polymorphism

microcontroller

Allocating Memory in C/C++: How to Avoid Memory Mismatched Allocation/Deallocation Issues Detected by Intel® Inspector XE for Visual Studio 2015

1 May 2017 by Arthur V. Ratz

This tip/trick introduces the basic ideas on how to avoid memory mismatched allocation/deallocation issues detected by Intel® Inspector XE for Visual Studio 2015

Writing MATLAB to C converter: Parser and Code Generator created with Bison/Flex

21 Nov 2017 by Shmuel Safonov

Using Bison/Flex for creation of the code convertor from subset of MATLAB language to C code. The converter is used for building native applications and libraries from MATLAB code.

Heat The Box - Temperature Control with Arduino Nano

7 Aug 2018 by CPallini

This article describes one of my experiments: a temperature control system for a cartoon box.

x64 Memory Access Monitor

23 Apr 2019 by Member 13737597

This article shows how to automatically catch memory access (read /write) for some memory region and log these changes into file

Compiling Your C Code to .NET - Part 2

14 Dec 2019 by Alexandre Bencz

With this new OrangeC/C++ compiler back-end, you can compile your C code to .NET.

Check It Out 2.0, One Step Win32 SDK C Checked Combo and List Boxes

23 Dec 2021 by David MacDermot

This article describes adding checkboxes to the standard combobox and listbox control.

Random Name Generator

13 Aug 2009 by Stuart Dootson

The way I'd approach it is like this:1. Define functions that return random voewls and random consonants - here's a random vowel function:char RandomVowel(){ const char vowels[] = {'a', 'e', 'i', 'o', 'u'}; // Use rand() to get a number...

How do I overload a function

12 Oct 2009 by Jörgen Sigvardsson

In addition to what Stuart said, if you really don't want to change the function signature from floatto double, you can always use literals that are typed as float. If you add the suffix f to the floating point numbers, they will be typed float.Your examples would then be function(1.2f, 2f) and func

Need Explanation For This C Code.... Please help

2 Dec 2010 by User 7429338

That's sort of assembly code within a C program. The assignments are to store values in the processor registers and then call interrupt 0x10.Interrupt 0x10 with the value 2 in register AH means to set the cursor position.Register BH is the screen page (0 means the visible screen) and...

Combination program in C

24 May 2011 by Sandeep Mewara

oh ___ hell .you don't need me to give lecture on what you are talking about. i dont have time for it.. need help thats why i posted it here its 3.30am here and at 7 i have to present it:doh: Great attitude. You fail to complete your work in time.You come here for help and when someone...

How to zero your memory?

1 Aug 2011 by ThatsAlok

Describing various method to zeroing the buffer in memory

Creating Arduino programs in Eclipse

23 Jun 2015 by Jan Dolinay

Article on setting up Eclipse to build programs for Arduino Uno.

Getting Video Stream from USB Web-camera on Arduino Due - Part 8: Streaming

9 Aug 2015 by Sergiy Bogdancev

Understanding streaming data

Linux Ethernet Driver using Qemu

1 Apr 2016 by Nagaraj Krishnamurthy

This article goes into the details of how to write a Linux Device Driver for a pseudo Ethernet device simulated on a Qemu platform.

Hosting .NET Core Components in Unmanaged C/C++ Process in Windows and Linux

4 Feb 2019 by Igor Ladnik

Compact infrastructure for custom hosting of .NET Core component in unmanaged C/C++ code with reciprocal methods calls between the parts running in Windows and Linux. Section Threads and Processes

True (open, free) Type

8 Jan 2021 by Iman Abdollahzadeh

TrueType implementation from scratch

A True Random Number Generator in Arduino (AVR ATmega in that case)

23 Aug 2021 by umar.techBOY

A hardware-based random number generator that exploits the line capacitance and natural frequency of the circuitry of a micro controller to generate a truly random number.

ARM Tutorial Part 2 Timers

12 Mar 2023 by Mike Hankey

A look at the STM32 Timer peripheral

Open 16-bit Windows Applications Natively on 64-bit Windows Using OTVDM/winevdm

10 Apr 2023 by Tough Developer

How to open 16-bit Win apps natively on 64-bit Windows using OTVDM/winevdm

Run a C Language Interpreter on Your ESP32

31 May 2019 by Rick Lunglhofer

Details the Implementation and use of a C Language Interpreter with a browser Interface running on an ESP32

rxcg: A Simple Text Matcher C Code Generator for IoT

15 Nov 2023 by honey the codewitch

Generate tight C code to match text based on regular expressions

regular-expression

BASIC is not dead! Neither is the WIN32! Time to end the myth. (Part 3)

28 Feb 2024 by Chris Boss

BASIC: A powerful language often underestimated and undervalued