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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

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.

Leveraging ChatGPT to Build an Automation Framework using the Page Object Model

by Mohammed Faci

How to leverage ChatGPT to Build an Automation Framework using the Page Object Model

All Articles

C++

"finally" clause in C++

15 Oct 2012 by Cpp For All

finally like clause in C++

"if" with no code block parenthesis

12 Feb 2011 by PrafullaVedante

Avoid using "if" with no code block parenthesis

"if" with no code block parenthesis

10 Feb 2011 by Andrew Rissing

Always review all changes before submitting them. Especially, if using a global find and replace.

"if" with no code block parenthesis

17 Feb 2011 by paladin_t

Whatever, I agree with you, it would be worse in C / C++ code using macros.Suppose you got a multiline macro like this:#define some_macro \ do_something_1(); \ do_something_2();And using this macro without parenthesis:if(...) some_macro;orfor(...) ...

*.pch file missing!

15 Feb 2010 by The Zetta

Sometimes, Visual c++ users see a pretty confusing error message when they compile or build their projects. the error message says :fatal error C1083: Cannot open precompiled header file: 'filename.pch': No such file or directorymy solution was :In VS, go to Project->Options, set the...

32-Bit or 64-bit OS ??

21 Sep 2010 by GPUToaster™

A simple way to detect bitness of an OS Programatically. (C# and C++ examples given)

32-Bit or 64-bit OS ??

13 Oct 2010 by Reinhard Ostermeier

In .NET 4.0, you can also use the new System.Environment.Is64BitOperatingSystem and System.Environment.Is64BitProcess

32-Bit or 64-bit OS ??

19 Sep 2010 by Aescleal

In C++ you can use the size of a pointer to work out what sort of process you're running in:bool is_64_bit(){ return sizeof(void *) == 8;}This has got the advantage of being portable and you don't have to call any OS functions.You can do something similar in C - just return...

32-Bit or 64-bit OS ??

20 Sep 2010 by a_pess

To check 64Bit Operating system in VB.NET,Public Shared Function is64BitOPeratinSystem() As Boolean Return (Marshal.SizeOf(IntPtr.Zero) = 8)End Function

32-Bit or 64-bit OS ??

5 Aug 2011 by The_Mega_ZZTer

Version check is wrong. It happens to work correctly only because no minor versions of Windows 5 were released after 5.1 (AFAIK... are Windows Server 2003 and Embedded XP and Media Center XP still 5.1?). A theoretical version 5.2 would fail the check. I submit the following...

3D Vector Graphics Class

29 May 2012 by Nitin K. Kawale

3D Vector Graphics class.

64 Bit Injection Cave

19 Jun 2011 by Rimon Orni

Code injection cave for 64 bit processes

[C++/MFC] : Use a Thread Delegator for your threads

13 Oct 2010 by Ajay Vijayvargiya

Wouldn't be easier if you just pass a simple function to your favourite thread creation function? Read on!

[C++/MFC] : Use a Thread Delegator for your threads

19 Oct 2010 by federico.strati

I always use a somewhat different approach, here is a class"consumer" that has embedded the thread call in a member function,the member function runs a virtual call, hence the derived classesmay implement functionality as well as passing arguments asmember data of the class. Maybe you're...

[VS2017] ListView Demonstration

13 Feb 2018 by Laurie Stearn

Code attached to a 2003 article updated for Visual Studio 2017.

A C#-like lock class for C++

17 Mar 2014 by Indivara

A very simple class that allows you to easily lock blocks of code from multi-threaded access.

A C++ Code Function Tracing Class

U 9 Apr 2024 by PJ Arends

Trace your function calls to the Output window.

A count down timer in c.

10 Jun 2010 by Software_Developer

set the variable count_down_time_in_secs in seconds for desired count down time.The Code is self explanatory.1 minute = 60 secs5 minutes = 60x5 secs30 minutes =60x30 secs1 hour = 60x60 secs#include #include int main (){ unsigned int...

A count down timer in c.

10 Jun 2010 by Anshul R

You can simply use the sleep() function in dos.h in a loop and print it!

A Full-Featured Z80/8085 Assembler in C++

14 May 2014 by Gregory Morse

A full-featured Z80/8085 assembler in C++

A General C++ Reflection Engine Based on C++11 and Meta Programming

28 Jun 2016 by JohnX2015

This is a cross-platform general C++ engine, including a general runtime and a reflection engine.

A Generic ESP LCD Panel API Initialization Routine

11 Mar 2023 by honey the codewitch

Initializing the ESP LCD Panel API is a chore. Here's some boilerplate code to make it easier.

A Light-weight, Thread Safe Properties Class for C++ Embedded Projects

16 Dec 2015 by Tim ONeil

INI-style properties for C++ Embedded/Applications on Linux

A little "garbage collector" for your project

26 Jul 2010 by SpaceSoft

A little class to help you avoid memory leaks

A little "garbage collector" for your project

1 Aug 2010 by Aescleal

Combining a smart pointer with a collection we can get all the functionality that the original author wrote a custom class for, and a bit more:typedef std::vector> garbage_collector;Er, that's it. So how would you use this? Say you wanted to use character arrays as...

A Micro Web Server Using WCF

7 Jul 2014 by Michael Bergman

Using Windows Communication Foundation to build a simple web server

A Mimetic C# Style Multicast Event Implementation with C++

26 Aug 2013 by paladin_t

A Mimetic C# Style Multicast Event Implementation with C++

A Pattern to Simplify Multiple Async Waiting for Android

5 Feb 2018 by Yesy

Provide a multiple-async-waiting operation management pattern for Android

A Persistent Circular Queue Buffer

10 Aug 2022 by Mukit, Ataul

Using the filesystem as a repository for a circular buffer for achieving persistence of data

A Polygon-triangulation Algorithm with Time Complexity O(N*logN)

16 Jan 2016 by Mathew_wwx

This tip will introduce a library written in C++ that wraps up a 2d polygon triangulation algorithm with time complexity of O(N*logN), the algorithm works on both self-intersected and non self-intersected polygons.

A Progress Indicator for the Boost Test Library

20 Mar 2013 by cocaf

How to show progress in a Boost test application.

A simple program to solve quadratic equations with

11 Nov 2010 by Software_Developer

A simple program to calculate quadratic equation with.Input MUST have the format:AX2 + BX + C = 0EXAMPLE: input the equation 2X2 + 4X -30 = 0 as:A= 2 B= 4 C= -30The answers for AX2 + BX + C = 0 should be 3 and -5.x1=3x2=-5 bool solver(float...

A simple program to solve quadratic equations with

20 May 2010 by ReymonARG

#include #include #include "Raiz_Cuadratica.h"int main(){ // float xx = 1; float x = 1; float i = -12; RaizCuadratica *lala = new RaizCuadratica( xx, x, i ); RaizCuadratica::sRaiz raiz = lala->GetRaiz(); printf( "x1 = %f || x2 = %f\n\n",...

A simple program to solve quadratic equations with

8 Nov 2010 by Anshul R

Simple and prints imaginary roots too!float a,b,c,x1,x2,d,dsq;printf("ax^2 + bx + c = 0");printf("\nEnter a,b,c separated by commas : \n");scanf("%f,%f,%f",&a,&b,&c);d = b*b-(4*a*c);if(d>=0){dsq=sqrt(d);x1 = (-b+dsq)/(2*a);x2 = (-b-(dsq))/(2*a);printf("\nRoot 1 : %f\nRoot 2...

A simple program to solve quadratic equations with

7 Nov 2010 by TomSeaton

#include

A simple program to solve quadratic equations with

10 Nov 2010 by federico.strati

The correct way to solve quadratic equations is none of the above. For the correct algorithm as applied in the following function, seenumerical recipes in C and the Wolfram site at http://mathworld.wolfram.com/QuadraticEquation.html#include bool quadratic(double a, double b,...

A simple program to solve quadratic equations with

15 Nov 2010 by Michael Waters

I am reposting this because I accidentally deleted my first post.The solution is presented as a pair of complex roots, unless a == 0, in which case the equation is linear and returns a single complex(real) root.If a == 0 and b == 0, the function fails.Given a complex type, replace...

A simple program to solve quadratic equations with

9 Nov 2010 by YvesDaoust

// Real solutions of the quadratic equation A x^2 + B x + C = 0// Returns two roots (possibly identical) in increasing order, or nonebool Quadratic(double A, double B, double C, double R[2]){ if (A == 0) { // Linear, impossible or degenerate, cannot find two roots ...

A simple program to solve quadratic equations with

16 Nov 2010 by Alain Rist

I prefer this :) #include #include #include #include static const double bad_double = std::numeric_limits::quiet_NaN();class QuadSolver{ static bool IsZero(double val) { return (val == 0) || (fabs(val)

A simple trick to find memory leaks that worked for me

1 May 2013 by Mohibur Rashid

Title says it all.

A Simple Windows Example Using the Chromium Embedded Framework 3

13 Jun 2014 by Jason Stern2

This is a simple Windows example using the Chromium embedded framework 3.

A Simple Worker Thread Class

29 Mar 2019 by Rick York

This is a simple worker thread class that allows when to use a member function as the thread function.

A Sketch for a Generic Queue - Multithreading Made Easy

21 Apr 2014 by Marco Bertschi

Sktech for a generic queue which can handle tasks, process them and report the result

A Small Class to Read INI Files

30 Apr 2012 by Nippey

This is a TCHAR alternative for "A Small Class to Read INI File"

A solution to get rid of the flicker of controls on scroll window(WINCE/WM)

7 Nov 2010 by Chen_Zhuo

A String & Number Compatible ID Class in Native C++

5 Jan 2011 by paladin_t

A String & Number Compatible ID Class in Native C++

A String & Number Compatible ID Class in Native C++

24 Jan 2011 by CodeRichardWong

Especially useful in some situations. Sometime may be confused inside, is it?(id4) assigned double's result is diff.If you add this:id1 = id4;The answer is...better to prepare one more conversion.have a Try~

A Tiny Custom List Control

25 Aug 2014 by HateCoding

A tiny custom list control

custom-controls

A tip on glaux.h Header File & glaux.lib in OpenGL Programming

4 Mar 2021 by Southmountain

glaux.h header file & glaux.lib can be replaced by freeglut.h & freeglut.lib

A Tip to Get MFC Support for Console Application in Visual Studio 2019

26 Mar 2021 by Southmountain

Some quick configurations to get MFC support for console application

A Unique Singleton

25 May 2015 by osy

Proper implementation of a signal handler

A very basic alpha blend algorithm

19 Apr 2011 by Mukit, Ataul

A simple implementation of alpha blending technique displaying the basic mechanism behind it

A very basic alpha blend algorithm

19 Apr 2011 by Mukit, Ataul

SledgeHammer didn't help, so I had to do it myself... here it is again - a super fast improved algorithm compared to the previous one and with no setpixel and getpixel :)void AlphaBlend(CDC* pDC, int xDest, int yDest, int nDestWidth, int nDestHeight, CDC* pSrcDC, int xSrc, int ySrc, BYTE...

A Wrapper for std::vector

23 Jun 2020 by Greg Utas

Replacing its erase() function

Accesing DB2 Databse using DB2 CLI

4 Oct 2012 by Ritesh_Singh

C++ code to connect/access DB2 database using DB2 call level interface(CLI)

Accessing class object present in exe from explicitly loaded DLL using Inheritance and virtual function

19 May 2013 by Amit Deshmukh 1010

Accessing class object present in exe from explicitly loaded DLL using Inheritance and virtual function.

Activate Document Window in MDI Application

8 Dec 2022 by Alexey Shtykov

Activate a particular document window in MDI application via MFC/C++

Activating WRL Audio Interfaces in Native C++

7 May 2014 by Gregory Morse

Activating WRL audio interfaces in native C++

multi-threading

ActiveSync Scripting

3 Mar 2010 by hjgode

The following is a nice? sample for an automation task. This batch will be executed every time a device connects to your PC via ActiveSync. You will need the itsutils.As you can read, the batch (script) first tries to check, if it has already been run on the device. This is done by looking...

Adapt Cast

29 Oct 2015 by Francis Xavier Pulikotil

Enable passing an argument by reference, to a function which expects an argument of a different type.

Adapter Design Pattern in C++

29 Jun 2016 by Priyanka Sabharwal81

Adapter Design Pattern in C++

Add a Filter Function, Merge Function in MFC Grid Control

1 Apr 2015 by Lantert

Add Excel style filter function to Chris Maunder's CGridCtrl

Adding a "transparent" Background to Your Buttons

15 Oct 2014 by Arthur Caputo

Tutorial on setting a false transparency onto your button's edges.

Adding Dynamic Sub menu to the Menu, Add Event Handler for Each Individual Sub menu

4 Aug 2013 by Ashish Ranjan Mishra

How to add sub menus dynamically, adding event for them and also retrieving the menu name on click event of individual sub menu

Adding Map Support in Dashboard for Executive Reports to Render the Reports Based on Locations/Area

22 Jan 2015 by jit_knit

Adding Map support in Dashboard for executive reports

Adhering to a Silly Rule

1 May 2021 by Greg Utas

A function may only return from its last line!

ADKeyboard Library for Arduino

10 Jan 2014 by Vedat Ozan Oner

A library for 5-button analog keypad

Advanced Thread Pool

14 Mar 2019 by Martin Vorbrodt

Advanced thread pool

Advantages of Making Your Methods Idempotent and Static in C#

3 Jul 2014 by Rob Kraft

A method is idempotent when the same input(s) always return the same output. This method is idempotent: This method is not idempotent: When adding methods to classes, many developers spend little time deciding if the method should be idempotent. Making use of the properties in the class causes the

Affine Transformations in Computer Graphics

27 Dec 2012 by WebMaster

Some simple examples of how to apply affine transformations in computer graphics.

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

AlSayed Color TrackBar

5 Jun 2012 by Abed AlSayed

AlSayed ColorBar is a TrackBar best for professional color picker, like the one used in Adobe Photoshop.

Alternative to URLDownloadToFile function

20 Aug 2023 by Ștefan-Mihai MOGA

How to download files from an HTTP server.

Amazon S3 .lib/Dll for Uploading File with Signature Version 4 for VS2010 in C++

14 Feb 2016 by Jigar_Patel

Amazon S3 lib for uploading file in C++ using VS2010

Amusing C++: funny tricks

22 Oct 2011 by Basil_2

A few uncommon code sample

Amusing C++: funny tricks

1 Nov 2011 by User 40411

Try this one://Can we print all integers from 1 to 30??/int x = 0;while (x

An Alternative to Using LoadString to Access String Resources

11 Jan 2015 by davrossi

This is an alternative to LoadString for accessing string resources.

An awk Program to Indent Source

3 Aug 2021 by BernardIE5317

On certain occasions, Visual Studio does not indent as intended so here is an awk program which does the trick.

An Efficient String to Unsigned int ID Struct

22 Jun 2022 by Stephane Capo

C++ optimization for map using string key among others

An Introduction to Integer Compression

15 Mar 2016 by cruppstahl

Describes algorithms for integer compression, introduces a few libraries and shows how to use them

Analyzing Syslog Files Can Be Easy...

26 May 2014 by Alexander Golde

Analyzing Syslog files can be easy...

AoS vs SoA Performance

16 Mar 2019 by Martin Vorbrodt

AoS vs SoA performance

Application Crashes without a Trace / No Dumpfile

7 Sep 2022 by Bruno van Dooren

Symantec can cause valid applications to crash and be gone without a trace

Apply a custom default style on QML controls

18 Oct 2014 by Marco Bertschi

A short guide on how you can style and customize the appearance of you QML controls in a CSS-like way

Applying the Strategy Pattern

23 Sep 2015 by Bartlomiej Filipek

How to apply the strategy pattern to a problem while designing a class hierarchy. What are the pros and cons of this approach?

Approach to Paste a Bitmap into an Icon Image on ReactOS (and Consequently on Windows XP and Newer Versions, using Win32 API)

27 Dec 2020 by Steffen Ploetz

Step-by-step instructions and source code snippets for inserting a bitmap (or a section of it) into an icon image.

Arduino Tips & Tricks

30 Apr 2015 by webmaster442

Some useful Arduino tips & tricks

Arduino: Static EEPROM Memory Management

13 Aug 2015 by Joren Heit

Easy, compile-time manager of EEPROM variables

Arduino: Static EEPROM Memory Management

13 Aug 2015 by Joren Heit

Easy, compile-time manager of EEPROM variables

ASCII strings to Unicode in C++

28 Mar 2011 by jean Davy

std::string source = "Hello World";std::wstring result( source.begin(), source.end() );One coding line less !

ASCII strings to Unicode in C++

13 May 2011 by blytle

also since _bstr_t's have operator (char *) and operator (wchar_t *) if you have included comutil.h, you can use it to do your conversion.char * source = "this is my source" ;_bstr_t converter_temp(source) ;wstring target ;target = wstring(converter_temp) ;... and the other way...

ASCII strings to Unicode in C++

14 May 2011 by Philippe Mori

inline std::wstring AsciiToUnicode(std::string text){ // Could do some DEBUG check here to ensure it is really ASCII. // Also, if in the future, it is found, it is not the case, // it would much easier to update code. // Same as jean Davy here... return...

ASP.NET Page Life Cycle

9 Feb 2015 by Sohail Fareedi

Page Framework Initialization - Page.Init

Atomic Blocking Queue

14 Mar 2019 by Martin Vorbrodt

Atomic blocking queue

Augmented reality using irrlicht and newton

2 May 2013 by Ihab ramadan

Demo illustrates how to make augmented reality program using irrlicht and newton

Auto Completion for #include in VS2010

1 May 2010 by Ajay Vijayvargiya

Visual Studio 2010, for Visual C++ projects/code, now supports auto complete feature for #include statement too!Just type in #include directive followed by " or

Automatically Disappearing Dialog, Used to Provide VERIFY and ASSERT on ReactOS

8 Jan 2020 by Steffen Ploetz

Automatically Disappearing Dialog

Automatically Stepping over STL

13 Oct 2012 by ed welch

Automatically stepping over STL

Automation Solution Using Arduino

30 Dec 2014 by Roi Azulay

An automation solution using Arduino

Autonomous Movement of Objects and Characters in a Game

1 Mar 2024 by Member 10912276

How to control game elements based on predefined conditions

artificial-intelligence