C

Great Reads

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

top

C

Code Injection

28 Feb 2014 by _Ravikant Tiwari_

This program will demonstrate the process of injecting code into already running processes. Here we have choosen to inject into Explorer

C++

Windows

process

Code Injection - A Generic Approach for 32bit and 64bit Versions

7 Mar 2014 by _Ravikant Tiwari_

Code Injection - A Generic Approach for 32bit and 64bit Versions

Capture Incoming HTTP Requests to the Web Server

27 Nov 2014 by Abdallah Al-Dalleh

How to handle post data coming inside an HTTP POST request

C++

HTTP

Free Gamma: Precisely Calibrate Your Display

9 Jun 2023 by AbdulRahman A. Badry

Alter your display gamma-ramp to correct & calibrate it

WinAPI

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.

Getting Started with Smart Watch Development with Pebble

15 Oct 2015 by Abhishek Nandy

Smartwatch Development with pebble

smartwatch

Preserving Overheat Multithreading

17 Apr 2016 by Adamanteus

Preserving overheating processor in multitasking environment

Simple C genetic algorithm example

3 Oct 2011 by Adrabi Abderrahim

Simple C genetic algorithm example

Linux

Easy way to simulate keyboard press and release keys

6 Mar 2013 by Ahmed Elkafrawy

An easy way to simulate keyboard press & release keys to another application

Implementation of an Easy, Fast, and Optimized (CByte, CShort, CInt) with Bits Access Using Bit Field and Union

28 Apr 2017 by Ahmed Elkafrawy

Implementation of an easy, fast, and optimized (CByte, CShort, CInt) with bits access using bit field and union

Custom Context Menu

28 Mar 2014 by Alex Culea

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

C++

Windows

Win32

HTTP Proxy Using Play Framework and WS API

28 Oct 2015 by Alexander Iskhakov

Creating a HTTP proxy using Play framework and WS API

Fast SSE Pseudo Random Number Generator

19 Feb 2024 by Alexey Shtykov

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

Dev

random

SSE

Searching for shared motif between strings in C

30 Jan 2015 by Amir Mohammad Nasrollahi

In this article, i consider the problem of identifying motifs in the biological sequence data sets. To solve this task, i present a new algorithm for finding patterns that just use library in C compiler and a new way to avoid using arrays search.

Objective-C

string

Enable scrolling to View to allow multiple elements #iOS

6 May 2014 by Amogh Natu

This tip shows how you can add scrolling to a view in iOS to allow multiple elements on the screen that won't fit in one screen.

Objective-C

iOS

Scrollbar

Parsing JSON Response from Web service to NSDictionary in iOS – Objective C

13 Jul 2014 by Amogh Natu

This tip shows how to parse JSON response received from a web service into an NSDictionary object.

To Toggle or Not to Toggle - xor is Your Friend

12 Jan 2013 by Andreas Gieriet

Short tip to show a convenient use of the lesser known xor operator

C++

Dev

Simple Serial Communication Utilities

29 Aug 2014 by Andres Cassagnes

A simple serial communication library, with a serial ports enumerator

Prime Number Test

9 Jun 2010 by Anshul R

Tests For a Prime Number

Quicker Prime Number Test

11 Feb 2012 by Anshul R

Prime Number Testing

Programatically Configure an Ethernet Network Adapter on a Windows Machine Using C/MFC

2 Mar 2016 by Antonio Miras

Programatically set a static IP, subnet mask and gateway to an ethernet network adapter on your local machine

C++

Windows

MFC

Cross-platform Visual Memory Tracker

15 Mar 2016 by araud

Did you ever want to know where most of the memory is consumed? Whether it leaks or just gets allocated too much. This home brew memory tracker is yet another bicycle that you will be able to tune for your needs.

Adding a "transparent" Background to Your Buttons

15 Oct 2014 by Arthur Caputo

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

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

GCC Cross Compiler Setup in Windows

17 Jan 2017 by Arun Maiya

How to setup GCC cross compiler in Windows to generate Linux binaries

A Simple Screensaver in C through Win32: CodeRain

16 Aug 2012 by AshakiranBhatter

ScreensSaver through fullscreen mode using Win32 APIs in C.

OpenGL GPGPU 1D Fourier Transform

22 Feb 2018 by Asif Bahrainwala

OpenGL Compute Shader

Calculating the Pi Number

13 May 2020 by Askar Azhibaev

Calculating the pi number faster using a simple formula

OpenGL

mathematics

Looking at pointer declarations

15 Jan 2010 by avinash064

It is very simple :laugh: and fun ..just divide the line before and after * , likeconst int * pconst int (before *) represent [constant integer]and *p represent a pointer add both u get a pointer pointing to a constant integer , it means u can't change value but pointer can...

C++

C Code for 4-bit Control of Newhaven OLED Character Display

24 Jul 2015 by BEmbedded

This article discusses 'C' code used to control a Newhaven OLED in 4-bit mode. It is a MBLABX project.

How to Implement Contact Us Page in ASP.NET MVC (ASP.NET 5 )

28 Feb 2016 by Bipin Paul

Implementation of Contact Us Page using ASP.NET MVC pattern

Pixel Count

30 Nov 2009 by BUR456

/*1st TARGET:Program that prints multiple bmp images*//*2nd TARGET:prints the pixel value of colors used in image*/#include#include#include#includeint main(void){ clrscr(); unsigned char color; long int Doffset, w, h; int...

Not-So-Common C Syntax/Extension to the Rescue (or Just for Fun)

14 Mar 2021 by cassert24

C syntax/extensions that I somehow stumbled upon

Dev

Calling C# .NET methods from unmanaged C/C++ code

13 Dec 2013 by CathalMF

Describes with an example of how you can call C#.NET methods from unmanaged C++ code.

C++

managed

unmanaged

Swaping values of two variable without temporary variable

11 Mar 2010 by chevu

I don't know whether these type of tips are allowed or not. But after having experience of core algorithm-base technical interview I thought I should share question I was asked in my interview.They asked me to show all methods I know to swap values of two variables.I Tried my level best...

C++

All-Topics

Using an IValueConverter in a WPF MVVM application to select a UserControl/View

5 Sep 2012 by Clifford Nelson

The IValueConverter can be used to select a View.

Windows

WPF

Dev

How to implement a stack in Objective-C

23 Jul 2011 by Cloud Hsu

Stack implementation for Objective-C.

Objective-C

iPhone

Mobile

How to implement a queue in Objective-C

12 Dec 2013 by Cloud Hsu

How to implement Queue in Objective-C

Objective-C

iPhone

Mobile

Remind review in iPhone apps

12 Dec 2013 by Cloud Hsu

How to remind review in iPhone App

Objective-C

iPhone

Mobile

Implement Singleton Pattern in Objective-C

12 Dec 2013 by Cloud Hsu

Implement Objective-C Singleton Pattern

Objective-C

iPhone

Mobile

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

25 Feb 2024 by ColleagueRiley

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

Random extraction of 5 cards from a deck

26 Jan 2010 by CPallini

The question: "How can I extract 5 random cards from a deck?" (or similar), appears every now and then at the C/C++ forum.I use the following method:const int CARDS = 52;int card[CARDS]; // the 'card' array represents all of the cardsint i, deck_cards;// initializationfor (i=0;...

C++

Counting Occurrences

6 Feb 2014 by CPallini

A simple algorithm for counting occurrences of symbols in files

Lua

C++

Heap Data Structure and Heap Sort

3 Mar 2014 by CPallini

Simple approach to heap data structure and heapsort, using C and Lua

Lua

algorithm

Fast Integer Square Root For 8051

28 Dec 2020 by CPallini

Fast integer square root computation in 8051 assembly

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

C++

The Big Picture of GIO's GAction-Family

12 May 2020 by D4rkTrick

Big picture of GAction, GActionGroup, GActionMap, GActionEntry, GSimpleAction and GSimpleActionGroup

swprintf_s Safe? Maybe Not.

9 Feb 2010 by dan146

swprintf_s() and sprintf_s() are additions to VC++8, and were supposedly written to tolerate formatting errors and to avoid buffer overruns. They differ from their corresponding non-safe cousins swprintf() and sprintf() by taking an extra argument (the 2nd parameter), which is the size of the...

C++

Good old & dirty printf() debugging in a non-console C++ application or DLL.

26 Jul 2011 by Dave Cross

I just use OutputDebugString() and Sysinternals' DebugView.exe.

C++

Windows

Compiler Warnings: Ignore at Your Own Risk

28 Jun 2015 by David A. Gray

While you can often get away with ignoring compiler warnings, failing to at least scan them can bite hard!

Sparsely Documented Cause of Compiler Error C2143

17 Jul 2016 by David A. Gray

Sparsely documented cause of compiler error C2143

Research-Inspired Extensions Hit Visual Studio App Store

11 Oct 2013 by David C Shepherd

A peek into the inspiration behind two cutting edge Visual Studio extensions.

Demonstration of Wlan APIs from MSDN

27 Sep 2012 by david pretham

Windows Native API application

Windows

Visual-Studio

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.

Creating Delegates in Objective-C

14 Feb 2015 by Dennis E White

How to create delegates in Objective-C

Introduction to Simulate External Interrupts Using Atmel Studio for AVR

21 Jun 2016 by Dharmateja Challa

Tip on how to simulate external interrupts using Atmel Studio 7 for AVR Atmega MCUs

Arduino

AVR

microcontroller

How Random is TPM Random Generator in Windows10 Laptop?

5 Mar 2018 by Dharmateja Challa

This article is about generating random data using Trusted Platform Module in Windows 10 and testing its randomness using dieharder test suite.

Working around very long file names in Windows

6 Jun 2012 by dudley52

A C program to walk a drive or folder all the way to the bottom, listing each full file name and length, saving the longest one.

C# / VB.NET / C++ CLI and WinAPI: How to Programmatically Press Mouse Button, and Check if Mouse Button or Keyboard Key Pressed

29 Sep 2014 by Emiliarge

Using WinAPI functions - GetAsyncKeyState and mouse_event

Full Service SQLite for WPF (Including File Handling)

19 Jun 2015 by ergohack

System.Data.SQLite is great, but was missing some BLOB support. Switching to the native source project was easier than expected and provided significant functionality benefits.

C Struct Hack

2 Oct 2016 by Eric Z (Jing)

This tip introduces struct hack and compares it with several implementation alternatives.

swprintf_s Safe? Maybe Not.

9 Feb 2010 by Eugen Podsypalnikov

Hello :)Your own description of the second parameteris different to the "original"...http://msdn.microsoft.com/en-us/library/ce3zzk1k(VS.80).aspx[^]

C++

Creating a BOTTOMMOST Window

16 Mar 2012 by Florin Gherghel

How to create a BOTTOMMOST window (Win32 and .NET).

C++

Lambda in C (GCC)

2 Jul 2013 by Ghosuwa Wogomon

How to use lambda functions in C

C++

Case Solved: The Correct Placement of Brackets

11 Aug 2013 by Ghosuwa Wogomon

An in-depth explanation of correct bracket placement and why...

C++/CLI

Objective-C

C++

Simple Character Encoding Detection

22 Oct 2013 by Ghosuwa Wogomon

Detecting character encoding in just 4 lines of code

Swap Two Numbers without using Temp Variable

18 Feb 2012 by GregEllis

You can do it with some XORs:int a = 25, b = 7;a = a ^ b;b = b ^ a;a = a ^ b;Or the same thing with some shorthand to make the code even harder to read:a ^= b;b ^= a;a ^= b;

Javascript

Java

C++

Implementing a Complete WRL Native C++ XAML Blank Project Template

14 Dec 2015 by Gregory Morse

Implementing a complete WRL native C++ XAML blank project template

Using C for Android Development (the Easy Way)

17 Feb 2021 by Gábor Angyal

Binding C structs and functions to Kotlin is easier than you have thought!

Android

Dev

Architect

Enable I/O Access From User Mode

26 Apr 2015 by Haftmann, Henrik

12 years too late but now it works: A replacement driver for giveio and dlportio for 64-bit Windows

Really Really Going Native

14 Oct 2012 by harold@talerian.com

C is still the best language for native-code development.

Javascript

Java

C++

Using COM Without Registration

9 Oct 2015 by imagiro

A small class for using COM DLL modules without registering them

Feedback on Porting .NET Code Base to Mac OSX

9 Oct 2014 by Issam Lahlali

Some feedback to avoid common mistakes when porting a .NET application to Mac OSX

Objective-C

.NET

How to get current function return type using __FUNCDNAME__

2 May 2012 by Itai Basel

A macro that gets current function's return type on visual C++

VisualC++

C++

Fast Binary Search Trees (BST) using Arrays

26 Apr 2016 by itsdkg

This tip explains the usage of arrays for creating Fast binary search trees.

C++

Faster Bit Rotation

17 Jul 2012 by Jacob F. W.

Here I present an improved version of the Circular Shift Operations

algorithm

encryption

BitArray in C

20 Jan 2010 by jafarmlp

Introduction...

Good old & dirty printf() debugging in a non-console C++ application or DLL.

26 Jul 2011 by Jaime Olivares

Plain old console output is still a valuable debugging tool, even when used in a GUI application.There are many tools here in CP that can be combined with console output like:CConsole - a simple console for debug output[^]Creating a console for your MFC app's debug output[^]You can use...

C++

Windows

Week numbers according to ISO8601

30 Jul 2010 by jasper.mandos

/// /// Stuct for the ISO 8601 week date/// /// /// See:/// See:/// Algorithm:

Java

C++

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

Using Mininet-wifi to Simulate Software-Defined-Wireless-Network

16 Dec 2015 by JinWenQiang

Just a brief introduction of a simulator to build wireless environment

Simple C Hashtable

5 May 2012 by Jonathan Lima

A simple key value-pair hashtable written in C

algorithm

How to zero your memory?

23 Aug 2011 by Jose David Pujo

I always use a home-made macro to zero my struct's and class's:#define ZEROMEMORY ZeroMemory (this, sizeof (*this))Sample1:struct S1 { double x; long i; char s[255+1]; S1 () { ZEROMEMORY; } };Sample2:class foo { private: double x[16]; char a,b,c; foo () {...

C++

Swap Two Numbers without using Temp Variable

17 Feb 2012 by josh.rendon

That conclusion is definitely wrong. Your equation expanded equals: b = (a+b) - (a-b) = a+b - a + b = 2*bFor your example a=20, b=10b = (20+10) - (20-10) = (30) - (10) = 20b = 20 + 10 - 20 + 10 = 20A counter example to disprove this: a=75, b=88b = (75+88) - (75-88) =...

Javascript

Java

C++

Keys Enumeration Win32

15 Apr 2010 by Joshua Tully

So I’m playing around with DX10 and decide to do some input work. After much research apparently no one can decide what the best way to handle keyboard input so I’m just going to use WM_KEYDOWN/UP and store the state in a bool[] and check that in the rendering code. Also, instead of using...

Win32

Data Input and Output with Arduino

3 Jan 2016 by José Cintra

An example of how to interact with the user through the keypad, LCD and Buzzer

Arduino

Dev

Architect

Fast Graph Traversal

8 Apr 2016 by jurhas

Solving graph on linear time

graph

XBOX360 Achievement

31 Dec 2020 by Kai Schtrom

Display smart messages on the Windows Desktop as XBOX360 achievements

Windows

Win32

Dev

Manipulate network adapter via WMI in plain C and C++

18 Dec 2021 by Kai Schtrom

Win32_NetworkAdapterConfiguration WMI class in plain C and C++

Transparent OpenGL window

9 Feb 2011 by Karl Phillip

If you are looking for a true transparent window to render your 3D objects, check this thread:http://stackoverflow.com/q/4052940/176769

graphics

"Swift or Objective-C?" that is here the Question!

5 Oct 2014 by KarstenK

Some toughts whether to prefer Objective-C or Swift.

CUDA 3.2 on VS2010 in 9 steps

11 May 2011 by Kerem Kat

Compile and run CUDA 3.2 projects from VS2010 in 9 easy steps

Looking at pointer declarations

12 Jan 2010 by KingsGambit

When we look at pointer declarations, reading from right-to-left gives a better idea about what the pointer actually points to. Consider const int * p; if we read right to left: p -> * -> int -> const. i.e. 'p is a pointer to an integer constant' rather than 'constant integer pointer' (if we...

C++

Declare a reference for a two dimensional array without typecasting

3 Jan 2012 by kooyou

The second form is wrong. A two dimensional pointer does not equal to a two dimensional array. But you can use an one dimensional pointer to reference the two dimensional array.int arr[1][20];int *pTwoDem=(int*)arr;Now you can use *(pTwoDem+10) to replace arr[0][10].

C++

Using nLog with ASP.NET vNext

29 Nov 2015 by Ksh_Sr

This tip helps you implement the nLog in conjunction with Microsoft.Extension.Logging framework in ASP.NET vNext.

How to Use er_src Tool - A Powerful Tool for Debugging in Solaris

11 Sep 2014 by kspviswa

This article explains how to map source code & assembly for easy debugging in Solaris OS.

C++

How To Do Simple Image Binarization?

13 Jan 2015 by Lai Taiyu

How to do simple image binarization?

How To Make A Clear Gray Image (Histogram Equalization)?

28 Jan 2015 by Lai Taiyu

How to make a clear gray image (Histogram Equalization)?

How To Make A Clear Color Image (Histogram Equalization)?

28 Jan 2015 by Lai Taiyu

How to make a clear color image (Histogram Equalization)?

C++ Syntax Uncovered

15 Dec 2010 by Lars P.Wadefalk

I have sometimes wondered if the 'with' statement would work in C/C++, just like in pascal. Meaning that it would in it's nearest scope automatically recognize class/struct members for the ones mentioned with a . or maybe -> operator.Maybe something like:TestClass* tc;float...

C++/CLI

Java

C++