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Objective C

Objective-C

Great Reads

Guide to WIN32 Regions

by Paul M Watt

Guide to understanding how to create and use regions with the WIN32 SDK

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

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.

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

by Jecho Jekov

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

CppEvent - How to Implement Events using Standard C++

by Shmuel Zang

This article shows how we can implement a thread-safe events (similar to .NET events) mechanism using the standard C++ library.

Latest Articles

Customize List View Column Headers

by Javad Taheri (drjackool)

Show or hide, reorder, save and restore list view column headers

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

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.

Converting between NSString and C Strings in an iOS Project

by ToughDev

How to convert between NSString and C strings in iOS project

Faster than STL

by Ben McNamara

Container classes much faster than STL.

All Articles

Objective C

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.

FAT-32 Sorter - Utility that Sorts the Files' Table in the FAT32 File System

12 Feb 2023 by Udi Cohen

How I wrote a utility to sort files in FAT-32 storage devices and fixing products that are affected by improper sorting order, such as various music players.

Fast 2:1 Image Shrink (Scale Down)

16 Nov 2022 by Svetoslav Chekanov

Fast implementation of 2:1 image shrink (full image or part of it)

Storage Device Restriction Using a Minifilter Driver Approach

11 Sep 2022 by Rahul Dev Tripathi

The fully working sample code explains everything necessary to create a Minifilter driver to block devices connected through an interface.

Integer Factorization: Dreaded List of Primes

20 Aug 2022 by Patrice T

Using a large list of primes with Trial Division algorithm and how to handle the list

ESP32 WEB Server with Asynchronous Technology and Internal File System

16 Jun 2022 by Member 4206974

A work for exploring the Asynchronous WEB Server, the SPIFFS File system and the exploitation of the dual core

mscript - Version 2.0 Adds Error Handling, New Functions, and DLL Integration

2 Apr 2022 by Michael Sydney Balloni

If you were on the fence about adding mscript to your arsenal of system tools, have another look.

reuse: An Object Recycling C++ Class Library

23 Feb 2022 by Michael Sydney Balloni

Recycle objects that are expensive to create and improve the performance of your application

securelocker: an httplite "pretty secure" file storage locker

8 Jan 2022 by Michael Sydney Balloni

An exciting proof-of-concept that sews httplite with security components

We Make a std::shared_mutex 10 Times Faster

16 Dec 2021 by AlexeyAB

Atomic operations and C++11 memory barriers and assembler instructions generated on x86_64 CPUs

multi-threading

Init Threads in MFC and Win32

17 Oct 2021 by Petrov Vladimir

Starting Threads in MFC and Win32 and some handling samples

multi-threading

So You've Got 10M Particles to Simulate

8 Sep 2021 by Michael Sydney Balloni

Performance of data structures in C++ vs. C#

Fast Typo-Insensitive String Matching in a Program and a Database

12 Jul 2021 by David Wincelberg

Strings that differ by typos can be matched.

Text to SVG Path Utility in U++

22 Jun 2021 by Miroslav Fidler

Creating a simple utility for converting text to SVG path in U++

Power Reduction and Wake Up Techniques on ESP32 Board

4 Jun 2021 by Member 4206974

A C++ script with functions for managing the power reduction and wake up techniques on ESP32 board

Stern-Brocot Trees and their Applications

1 May 2021 by Mircea Neacsu

A data structure for finding best rational approximations

Connect ESP32 Board via Browser

7 Apr 2021 by Member 4206974

Board based automation and environment control

Call Distribution Parameters using Combined Data Points Splicing

31 Mar 2021 by Fedor Naumenko

Find type of distribution and parameters from set of distributed physical values

Fun with YouTube Data API v3 (Public Data) and Kigs Framework

25 Feb 2021 by Stephane Capo

Kigs framework C++ Windows project to retrieve and display what other channels are subscribed by subscribers of a given YouTube channel.

A Basic Icon Editor Running on ReactOS (and Consequently on Windows XP and Newer Versions)

31 Jan 2021 by Steffen Ploetz

Creation of a basic icon editor with as little code as possible, that is running on ReactOS and Windows, to check out the stability of application development capabilities on ReactOS

Dynamic Logging

12 Jan 2021 by Alexander Schichmanter

Concept, Motivation and Implementation of Dynamic Logging - a valuable aid to the C++ programmer

Data-Driven Model Predictive Controller (MPC) in Simulink Matlab

18 Oct 2020 by Roozbeh Abolpour

The data-driven MPC is implemented in this project that can be easily exploited

Arduino Scheduler

16 Sep 2020 by Member 4206974

A function that works on event of Arduino and ESP32 boards

A Monitored, Memory Mapped std::allocator for Mass Data Storage in STL Container

26 May 2020 by stefan stammberger

A novel allocator implementation for managing huge sets of data in STL's std:: containers for Windows operating systems

operating-systems

XorShift Jump 101, Part 1: Matrix Multiplication

14 Apr 2020 by Member 4201813

Jump forward/backward procedures for XorShift RNG explained step by step

Doing UTF-8 in Windows, Part 2 - Tolower or Not to Lower

18 Feb 2020 by Mircea Neacsu

Case folding for UTF-8 code

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.

DotNetPeLib: A Library to Read and Generate .NET Assemblies in C++11

2 Jan 2020 by Alexandre Bencz

DotNetPELib is a library which abstracts managed information such as namespaces, classes, fields, methods, and instructions. The information can then be used to generate assembly language source files, or PE executables or DLLs.

C Language Dynamic String

20 Dec 2019 by steveb

Dynamic string for the C language

CString and std::string Integration

19 Dec 2019 by Edwig Huisman

CString only projects can convert to STL std::string

Binary Coded Decimal

19 Dec 2019 by Edwig Huisman

A binary-coded-decimal class and the ODBC Interface

Compiling Your C Code to .NET - Part 1

17 Dec 2019 by Alexandre Bencz

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

Fastest Hash Function for Table Lookups in C?!

30 Oct 2019 by Sanmayce

Brutally optimized hash function for general table lookups

Signal Segmentation Algorithm of Radhakrishnan, et al. Ported to C and C#

20 Oct 2019 by Lance A. Endres

The algorithm presented by Radhakrishnan, et al., originally used to segment well logs for the oil industry, has been ported to C and C#.

A Slice of Cucumber

9 Oct 2019 by Zebedee Mason

Visual C++ tests are created from Gherkin DSL feature files using a Python 2.7 script

WinLamb: using C++11 Lambdas to Handle Win32 Messages

22 Sep 2019 by Rodrigo Cesar de Freitas Dias

Introducing WinLamb, a modern C++11 object-oriented library to write native Windows programs

decode multiPage rotate tif.zip

12 Aug 2019 by LeisureBamboo

The decode and encode of multiPage rotate tif.zip

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

Adding Object Detection with TensorFlow to a Robotics Project

28 Apr 2019 by Phil Hopley

In this article, we will add AI to an existing ROS (Robot Operating System) House Bot.

machine-learning

Chatbot Tutorial

24 Apr 2019 by Gonzales Cenelia

Tutorial on making an artificial intelligence chatbot

QxOrm - C++ ORM (Object Relational Mapping) Library

24 Apr 2019 by QxOrm

QxOrm C++ library: Persistence (based on QtSql Qt library) - Serialization (based on boost::serialization library) - Reflection (introspection)

C++ Object Relational Mapping (ORM)- Eating the Bun - Part 1 of N

20 Apr 2019 by BrainlessLabs.com, sibani.p

Creating a simple ORM for C++ on-top of SQL database

Embedding .PNG Images into a RichEdit Document

11 Apr 2019 by Jose A Pascoa

Although most Windows programmers have already used the RichEdit Control, many of them are not aware of all its capabilities. One such capability is image embedding.

State Machine Design in C++

20 Feb 2019 by David Lafreniere

A compact C++ finite state machine (FSM) implementation that's easy to use on embedded and PC-based systems

C++ State Machine with Threads

26 Jan 2019 by David Lafreniere

A framework combining state machines and multicast asynchronous callbacks

Asynchronous Multicast Callbacks with Inter-Thread Messaging

25 Jan 2019 by David Lafreniere

Simplify passing data between threads using this multithreaded, portable C++ asynchronous callback framework

multi-threading

IEEE 754 Conversion

22 Jan 2019 by Andrea Ricchetti

Two ways to make a IEEE 754 conversion (32 bit) pack and unpack

Rodney - A Long Time Coming Autonomous Robot (Part 3)

17 Jan 2019 by Phil Hopley

Third part in a series on a ROS (Robot Operating System) House Bot

Rodney - A Long Time Coming Autonomous Robot (Part 2)

16 Jan 2019 by Phil Hopley

Second part in a series on a ROS (Robot Operating System) House Bot

All About MFC Serialization

9 Jan 2019 by steveb

Describes all aspects of MFC serialization mechanism

CoreObjects/GoliahCore17: *.* for plain C

3 Jan 2019 by Sauro Abbondanzieri

UWP, COM, C++/WinRT, OOP in plain C. What else?

A Handy Idle-Processing Class for Long Procedures

31 Dec 2018 by Craig Muller

This article introduces a convenient class for hooking into idle processing.

CoreObjects/GoliahCore17: Effective OOP for plain C || 2

29 Dec 2018 by Sauro Abbondanzieri

Implementing a Canvas concept with OOP, in a fresh, polished and effective, pure and plain ANSI C

UWP Storage Wrapper

25 Dec 2018 by Shao Voon Wong

UWP Storage Wrapper

Lesson to Learn: Introduction to Genetic Algorithms

15 Dec 2018 by Dmitriy Gakh

An introduction to Genetic Algorithms with brief reference to biology and example of finding one solution for complex mathematical equation

machine-learning

Arduino Multitasking Using Loops

13 Dec 2018 by Tareq_Gamal

Simple way to create a Multitasking code for your Arduino project without using any external library.

Sending WhatsApp Messages from a Win32 C++ Program - Part 2

13 Dec 2018 by Michael Haephrati

A simple way for sending WhatsApp documents and images to an individual or to a group in C++

C++ audio mixing and WAV file & AudioFile classes

8 Dec 2018 by CalicoSkies

Mixing audio from multiple WAV files to a single WAV file. Includes a C++ class for reading and writing WAV audio files, derived from an AudioFile class for future support of other audio file formats.

Multi-pass Filter Cutoff Correction

26 Nov 2018 by Jonas Selling

Clarifying the use of multi-pass filter cutoff correction

Dynamic Class Factory

18 Nov 2018 by mimicry

An article about class factory with dynamic subscription / auto registration

gcref

15 Nov 2018 by Yves Florido-Monnier

A safe and functional hold of managed types from native c++

x64 API Hooker + Disassembler

8 Nov 2018 by Member 13737597

This article shows you how to implement trampolines on x64, introduces the idea of sync and async hooks, and dynamically added runtime filters and loggers.

HotPatching: (VERY) Deep Inside

4 Nov 2018 by Michael Chourdakis

A ready to be used hotpatching library with five methods!

Sending WhatsApp Messages from a Win32 C++ Program - Part 1

3 Nov 2018 by Michael Haephrati

A simple way for sending WhatsApp messages to an individual or to a group in C++

Fast and Practically ‘perfect’ Partition Problem Solution

1 Nov 2018 by Fedor Naumenko

A combined solution of the generalized partition problem, which allows to quickly get the good quality result

CSSplitter: A Splitter with the Ability to Save/Restore its Position

29 Sep 2018 by Alexander Atamas

A splitter control derived from CStatic for dialog controls, and that can be used not only within the restricted splitter pane.

Splitter Control for Dialog

29 Sep 2018 by libbyliugang

A splitter control for dialog can auto change the linked window's position

Asynchronous TCP Part 1

14 Sep 2018 by bkelly13

Goal: Describe how asynchronous or non-blocking TCP code works

11 Sep 2018 by _Flaviu

A way to use OpenCV in MFC project

Recursive Internetworking

10 Sep 2018 by Kewin Rausch

Moving forward in the future networks evolution

C++ 11 S/MIME: A Simple MIME Parser and Builder with Security Features

3 Sep 2018 by Michael Chourdakis

Easy to use simple parser with S/MIME Support. Version 2.

Deploy Node.js Application Running on Microsoft IIS 10 To Docker's Windows Server Core 2016 Containers

1 Sep 2018 by Arthur V. Ratz

In this brief article, we will demonstrate how to deploy a Node.js application and run it on Docker's Windows Server Core 2016 Containers

Basic Cryptographic Protocols: Key Exchange

25 Aug 2018 by Kewin Rausch

Introduction to protocols to manage Key Exchange in secure channels communication

How to Find User's Email Address

19 Aug 2018 by Michael Haephrati

Here is a way to find what is the email address / addresses used by the user running a program

Outline Text - Part 2

13 Aug 2018 by Shao Voon Wong

Outline Text Part 2

CppEvent - How to Implement Events using Standard C++

13 Aug 2018 by Shmuel Zang

This article shows how we can implement a thread-safe events (similar to .NET events) mechanism using the standard C++ library.

DirectControl - Remote Control for Electrical Loads via WiFi

7 Aug 2018 by Artem Moroz

Using ESP8266 module to remotely control high power electrical appliances

GPS Walker : Get GPS Data With Your Arduino

6 Aug 2018 by raddevus

Build this circuit and learn how easy it is to grab GPS data and store it on an SD Card. Walk around your neighborhood and then upload data to a map.

Internet of Things - Controlling Smart Home within $15, Why Not?

5 Aug 2018 by ron85262

In this article, I'll make an overview of IoT and introduce a way to approach IoT using Wemos D1.

CHyperLink: A Simple MFC HyperLink Button Class with Any Size 32bpp Icons Support

19 Jul 2018 by Elia Sarti

A class which encapsulates a hyperlink control for web page redirection or normal button usage

Parse SVG Files to Bezier Curves in C++ and Save to PDF

18 Jul 2018 by Michael Moroz

This articles describes how to open SVG files in C++ application, work with Bezier curves and export to PDF.

Flutter Getting Started: Tutorial 2 - StateFulWidget

9 Jul 2018 by ThatsAlok

Let's explore the world of StateFulWidget with respect to Flutter

Flutter Getting Started: Tutorial 1 Basics

4 Jul 2018 by ThatsAlok

In this tutorial, I will provide step by step to build your first Flutter App

Car Distance Sensors Using an Ultrasonic Transducer

28 Jun 2018 by Florian Rappl

A car distance sensor using the Arduino with an ultrasonic transducer

A Lazy Stream Implementation in C++11

25 Jun 2018 by David Serrano Martínez

A lazy stream has been implemented in C++11, so as to highlight the functional capabilities of this new specification

STL Set Algorithm Operators

16 Jun 2018 by Shao Voon Wong

Overloaded Operators to write concise code on STL Set Algorithms

C++17: string_view Conversion to Integral Types

5 Jun 2018 by Shao Voon Wong

Implementing string_view conversion to integral types using Boost Spirit Qi v2

Extending Visual Studio to Provide a Colorful Language Editor

20 May 2018 by Eric Lynch

In this article, we explore the implementation of a Visual Studio editor that allows editing of a fictitious "Colorful" language. The editor minimally implements both syntax classification / coloring and IntelliSense completion.

Debugger for Arduino

18 Jan 2018 by Jan Dolinay

Source level debugger for Arduino with GDB and Eclipse

Month-Name Ordering

18 Sep 2017 by David Wincelberg

Sort by month name in database tables, filenames or strings

18 May 2017 by darkoman

Article about the 2D isometric game engine

2D-DFT for Color Image - VC++ GUI Implementation

10 May 2017 by Raghavendra Hosad

2D DFT for Color Image - GUI implementation

Visual Studio Design Patterns Add-in/Extension

3 May 2017 by dmihailescu

A Visual Studio add-in that inserts some commonly known OO patterns into your working project and searches your highlights online.

A Bridge From Fortran to C#

21 Feb 2017 by Member 1895422

This article discusses bridging from Fortran to the .NET language C#.

How to implement a custom-draw CalendarView mixed with C/C++ for Android&IOS--part 1

13 Nov 2016 by jackyBu

custom-draw CalendarView for Android&IOS

Dependency Analysis with Doxygen

12 Nov 2016 by Zebedee Mason

Perform dependency analysis by using Doxygen to parse source code and produce a report

Hybrid Cross-Platform Applications: Approach to Using Cocos2d-x on Top of Native iOS and Android Components

5 Oct 2016 by YevheniyK

The article describes a general approach to using Cocos2d-x on top of native components and relevant coding specifics for Cocos2d-x, iOS and Android.

How to Make Your Own Sandbox: Simple Sandbox Explained

2 Oct 2016 by Eugene Balabanov

A tiny sandbox primer

MFC Project from Existing Code in One Click

6 Aug 2016 by Petrov Vladimir

The alternative way of the MFC Project from Existing Code creation

A View Class for Cropping Images

25 Jun 2016 by Will J Miller

This article describes the implementation of a custom class called MMSCropImageView. The class gives the feature of drawing and moving a rectangle over an image to identify the crop region and return it in an UIImage. It explains the considerations and solutions for cropping a bitmap.

image-processing