Click here to Skip to main content

Submit your article

C++

C++

Great Reads

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++

Load image proportionate to button

U 23 Apr 2024 by merano99

To display an image with the correct aspect ratio on a button, you must first calculate a common scaling factor, rescale the image with it and finally crop it. The following function performs these steps. The image can be a file or a resource...

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

Set owner draw to false for cbutton

N 22 Apr 2024 by Richard MacCutchan

Something like this should do it. m_Btn1.ModifyStyle(0, BS_BITMAP); UINT style = m_Btn1.GetButtonStyle(); style &= ~BS_OWNERDRAW; // mask with all bits except owner draw m_Btn1.SetButtonStyle(style);

Set owner draw to false for cbutton

N 22 Apr 2024 by Member 14594285

if (PathFileExists(str_path)) { m_Btn1.ShowWindow(SW_SHOW); m_Btn1.ModifyStyle(0, BS_BITMAP); } else { m_Btn1.ModifyStyle(0, BS_OWNERDRAW); m_Btn1.Set_Art(m_pArt, 0); ...

Load image proportionate to button

U 22 Apr 2024 by Member 14594285

CBitmap bitmap; bitmap.Attach(image.Detach()); HBITMAP hBitmap6 = (HBITMAP)bitmap.GetSafeHandle(); m_Btn1.SetBitmap(hBitmap6); but image isn't proportionate to size of button but image of CButton isn't proportionate to size of my button ...

How get file content in dialog box while clicking on file view in splitter windows using mfc

N 22 Apr 2024 by mbue

You called: if (dlg.DoModal() == IDOK) after that call you set pEditCtrl->SetWindowText(CString(pBuffer, nFileSize)); this must be done before (!) the dialog will be shown (DoModal).

How get file content in dialog box while clicking on file view in splitter windows using mfc

U 21 Apr 2024 by Maryala Shreya

void CFileView::OnDoubleClick(NMHDR* pNMHDR, LRESULT* pResult) { NMITEMACTIVATE* pNMItem = (NMITEMACTIVATE*)pNMHDR; int nItem = pNMItem->iItem; if (nItem != -1) { ITEMINFO* pItem = (ITEMINFO*)GetListCtrl().GetItemData(nItem);...

How can I insert an image .jpg in a cbutton?

N 21 Apr 2024 by Andre Oosthuizen

Your code seems to be correct for loading an image and setting it as the bitmap for your button button. As Rick stated, first check if the path you use is correct and if it is returning something, Add error handling and debugging statements to...

How can I insert an image .jpg in a cbutton?

U 19 Apr 2024 by Member 14594285

I wrote: CImage image; image.Load(str_path); // just change extension to load jpg CBitmap bitmap; bitmap.Attach(image.Detach()); m_Btn1.SetBitmap(bitmap); m_Btn1.ShowWindow(SW_SHOW); str_path is the path of...

How can I insert an image .jpg in a cbutton?

N 19 Apr 2024 by Rick York

I would guess it is because the image is not accessible to your program. Either give the image file name an explicit path or run your program in the directory where the image file is located. Actually, the first thing you should do is check the...

Is there a way to convert COLORREF to int?

N 19 Apr 2024 by KarstenK

The conversion is as easy as already answered but you need to take care when making it to a COLORREF again. You need the same byte order and the same color depth. When you mismatch it the colors are weirdly changed. To better learn about working...

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

How do I format numbers for internatinal locales in C++

U 17 Apr 2024 by BernardIE5317

Greetings Kind Regards I am attempting to duplicate in C++ the work shown on Code Project article titled "International Number Formats" link below. My C++ code is shown below and output also. Each line of output is the number 123.56 in my global...

How do I format numbers for internatinal locales in C++

N 17 Apr 2024 by Dave Kreskowiak

You already posted this in the C/C++ forum. Don't spam the site with the same question in multiple places.

How to check if a specific audio file is being played, in C++?

N 16 Apr 2024 by mbue

This code is obsolete since win2000 because every process has its own wave mapper. The code seems to try if the wave mapper (win95) is already in use - not a specific audio file. To try if a specific file is in use you should open the file...

Is there a way to convert COLORREF to int?

N 16 Apr 2024 by Richard MacCutchan

COLORREF (Windef.h) - Win32 apps | Microsoft Learn[^]. As you can see it is defined as a DWORD (32 bits) so itis already an integer value.

Is there a way to convert COLORREF to int?

N 16 Apr 2024 by Member 14594285

I tried to convert COLORREF to int but I don't find the correct way.. What I have tried: I tried to search on internet, but I don't find the correct way

Update element of a SQL database

U 15 Apr 2024 by Pete O'Hanlon

Looking at your code - you are using Sql which is expecting you to use a parameterised query (as far as I can tell). In your particular case here, using hardcoded values, you should be using SqlStatement instead. As others point out though, you...

Update element of a SQL database

U 15 Apr 2024 by Member 14594285

I tried my query in SQLite Expert Personal and it's correct, but if I write query in mfc c++ my database isn't update.. I wrote: in .h: Kompex::SQLiteDatabase *m_pDB; Kompex::SQLiteStatement *m_pStmt; m_pDB = new...

Update element of a SQL database

N 15 Apr 2024 by OriginalGriff

Your code doesn't include any actual SQL query, much less an UPDATE or INSERT query with actual data for the DB to accept. Go back to your working code, and look more closely at exactly what is going on: the code you show us creates an empty...

sending keystrokes to powerpointviewer.

N 15 Apr 2024 by Jan Ringos

WM_KEYDOWN doesn't work for PowerPoint Viewer, not reliably. Send WM_COMMAND with wParam = 0x000106EF (for next slide) or 0x000106EE (for previous slide).

Combobox alphabetical order

N 13 Apr 2024 by Andre Oosthuizen

You need to use the 'CComboBox::InsertString' method instead of 'CComboBox::AddString' method, see - MS Learn | CComboBox Class[^] Your code should be - for (INT_PTR nInd = 0; nInd

How to add suugestion to an autosiggestbox in winui3

N 13 Apr 2024 by Andre Oosthuizen

This is a bit of a guessing game of what code you have in the rest of your app... You need to store the 'IVector' object in a member variable of your class, so that it remains valid for the lifetime of the class instance and your error is likely...

Problem with delete the edit

N 13 Apr 2024 by Vicente Flich

I think the Richard's solution is probably the correct, but other possibilities: 1. How do you construct and initialize the m_adEdit array?. If you created it with new and not initialize it, maybe they contain some chunk. Initialize it with...

How to add suugestion to an autosiggestbox in winui3

N 13 Apr 2024 by Vicente Flich

Hello! I'm trying to use AutoSuggestionBox control in WinUI 3, developing in C++. I can't add suggestion to the control. I try handling the TextChanged event to add some text to the subbestion box but I have some runtime error. Here my code...

Combobox alphabetical order

N 12 Apr 2024 by Pete O'Hanlon

The flag you are looking for is CBS_SORT. This sets the combobox up to automatically sort the strings. You can find bout more here[^].

Combobox alphabetical order

U 12 Apr 2024 by Member 14594285

I have a comboBox and in properties I put sort to false..but elements in comboBox are in alphabetical order, my code: for (INT_PTR nInd = 0; nInd

Find id of cstatic in a derived class

N 11 Apr 2024 by merano99

The MFC uses CWnd::GetDlgItem and uses an existing pointer to the parent window or dialog as a member of CWnd. see: https://learn.microsoft.com/en-us/cpp/mfc/reference/cwnd-class?view=msvc-170#getdlgitem Unfortunately, it is not clear from the...

Find id of cstatic in a derived class

N 11 Apr 2024 by KarstenK

You can also open the RC file with a text editor and search for the control. IMPORTANT: each control must have an unique ID in your app. So check whether each control has an own identifier and the identifier are resolved in the resource.h to...

Object gdi hbrush destroy

N 10 Apr 2024 by CPallini

Try to closely mimic the behaviour this MSDN piece of code[^]. Namely, DO NOT create (and destroy) brushes (or other GDI object) inside the OnCtlColor handler. On the contrary create the brushes once, in your initialization code, and release them...

How will I do this calculation for this project, which is salary $120, 000 and tax deduction #17, 600

U 10 Apr 2024 by Patrice T

Quote: How will I do this calculation for this project ... 'this project' is not a description of the project you working on. 'this calculation', the end of title do not describe any calculation because we have no context. As a requester, your...

Find id of cstatic in a derived class

N 10 Apr 2024 by CPallini

You could try (not tested) HWND hwnd = GetSafeHwnd(); LONG id = GetWindowLong(hwnd, GWL_ID);

Find id of cstatic in a derived class

U 10 Apr 2024 by Member 14594285

I created a derived class of CStatic, and I must find id of my CStatic but I don't know how I can do IMPLEMENT_DYNAMIC(CDerStatic, CStatic) CDerStatic::CDerStatic() { int n_color; RGBTRIPLE rgb; double red; double green; double blue;...

C++ $120, 000 income and tax deduction $17, 600

N 9 Apr 2024 by Pete O'Hanlon

I will repeat what I said in my answer here[^]. We typically don't provide code for homework assignments here but surely this is just subtracting tax from salary. To quote Richard Deeming's excellent reply: Nobody is going to do your homework...

C++ $120, 000 income and tax deduction $17, 600

N 9 Apr 2024 by OriginalGriff

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for...

How will I do this calculation for this project, which is salary $120, 000 and tax deduction #17, 600

N 9 Apr 2024 by OriginalGriff

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for...

How will I do this calculation for this project, which is salary $120, 000 and tax deduction #17, 600

N 9 Apr 2024 by Pete O'Hanlon

We typically don't provide code for homework assignments here but surely this is just subtracting tax from salary. You must know how to do this I would have thought.

How will I do this calculation for this project, which is salary $120, 000 and tax deduction #17, 600

N 9 Apr 2024 by Member 16240157

So the problem is that,how is the calculatio with the c++ What I have tried: Please I need for the calculation for c++ for this project

A C++ Code Function Tracing Class

U 9 Apr 2024 by PJ Arends

Trace your function calls to the Output window.

How do I fix my error handling so that my character can move to multiple rooms?

N 9 Apr 2024 by OriginalGriff

Compiling does not mean your code is right! :laugh: Think of the development process as writing an email: compiling successfully means that you wrote the email in the right language - English, rather than German for example - not that the email...

Object gdi hbrush destroy

U 9 Apr 2024 by Member 14594285

When I resize my window software crashes because hbrush objcet isn't destoyed, I wrote this: HBRUSH CDlgEst::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) { HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); //HBRUSH hbrN = HBRUSH...

How do I fix my error handling so that my character can move to multiple rooms?

U 9 Apr 2024 by That New Coder

I am currently making a text-based game. In this game, the character has to move around between rooms. Each room as a "roomAddress" or "roomId". Currently, I am trying to make the options for a level. Then, when an option is made, the character...

Object gdi hbrush destroy

9 Apr 2024 by Pete O'Hanlon

Something to look at in your code. You are returning early from your switch statements, so the brushes aren't removed. You are leaking resources in that code. You are leaking a lot of resources. What's even more interesting is - if you somehow...

How to check whether the file is already open?

8 Apr 2024 by Vasily Androshchook

As the debugger showed a protected member of CFile::m_strFileName became empty for the closed file. So, derive your class from CFile and add a function bool MyFile::isClosed () const {return m_strFileName.IsEmpty ();}

How can I resolve this WM_PAINT handling program?

8 Apr 2024 by steveb

You need to draw to memory DC before you call BeginPaint. Your BeginPaint should have only 2 more lines after it - BitBlt and EndPaint. All drawing must be done prior to these lines. And perhaps use Direct2D API. This way you'll take care of...

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.

How to develop a GUI application for password-protecting an EXE file

7 Apr 2024 by OriginalGriff

Simple: learn a computer language, learn to code, write a specification for the task, write a test and acceptance specification, design to meet the specification, then code to the design. Then abandon all attempts to become a spammer because you...

Are windows HDC and printers HDC not supposed to work identically?

6 Apr 2024 by Pete O'Hanlon

The problem you're describing is resolution. Typically, printers support a much higher resolution than a screen does, so if you have made assumptions about DPI, for instance, you will see a different output. It's best to work with Device...

Are windows HDC and printers HDC not supposed to work identically?

6 Apr 2024 by Gbenbam

The display program that I used to render to a window dc was used by me to write to PriPrinter a virtual printing software. Everything worked fine except that the images were rendered to true size and not according to specified size. Is it...

How can I resolve this WM_PAINT handling program?

5 Apr 2024 by Gbenbam

For some time now I have been trying to resolve the WM_PAINT code or my application. Every advise I have ever been given on this issue, I have applied. Someone said I should carry out all the DC operations in WM_PAINT. I did that. Someone said...

How can I resolve this WM_PAINT handling program?

5 Apr 2024 by KarstenK

I see no easy fix but you may debug it via double buffering. At first you paint a complete image into some memory dc and than make a BitBlt to the screen. Read this Guide to DC to improve your knowledge. Best is to optimize the code via...

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

4 Apr 2024 by Mohammed Faci

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

Why is startdoc not succeeding?

4 Apr 2024 by Gbenbam

I am using GDI to write a document printing program or my application, but StartDoc is not succeeding. What could be wrong. The relevant codes are shown below: case IDM_FILE_PRINT: { //Invoke Print commn dialog ...

Need business basic help

2 Apr 2024 by Pete O'Hanlon

Leslie, if I were in your position, I would look to your local chambers of commerce to see if there was anybody local who could come and perform an audit of your software. Make it clear that you are only interested in the audit and would not be...

Need business basic help

2 Apr 2024 by OriginalGriff

My condolences on your loss - I lost my wife last year, and I know how traumatic it can be trying to tidy up a life partner's affairs. But this isn't the right place to ask for this help: we aren't a recruitment or "code it for you" site. You...

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?

Need business basic help

2 Apr 2024 by Member 16235419

I am a small business north of Boston. My late husband originally wrote our very specific software in Business Basic - starting in the Data General Mini Computer age. One of his programmers has been supporting us over the years, but is now...

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

C++: InsertionSort Outperforms QuickSort on Almost In-Order Array

30 Mar 2024 by Shao Voon Wong

InsertionSort outperforms QuickSort on almost In-Order Array

How do I C++ coding for the following problem:

28 Mar 2024 by OriginalGriff

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for...

How do I C++ coding for the following problem:

28 Mar 2024 by Rick York

"Do my homework for me" questions are usually not received very well here. You have all the required members and methods listed. The next step is for you to write the header file that declares all of them. Following that will come...

Why am I unable to scroll with the thumbtrack in this my scrolling program?

28 Mar 2024 by Richard MacCutchan

Here is the essential parts of the code I use to allow scrolling in a self painted Window. If you want an easier life then you can use one of the standard Windows controls (e.g. Edit Control (Windows Controls) - Win32 apps | Microsoft Learn[^] )...

Wrapping Java with C++ Objects - JNI OOP

27 Mar 2024 by Yochai Timmer

A way to avoid JNI's reflection oriented programming. Wrapping Java with C++

Why am I unable to scroll with the thumbtrack in this my scrolling program?

27 Mar 2024 by Gbenbam

In the program below, everything works fine until I try to scroll with the thumbtrack. The thumtrack simply snaps back to its initial position after I release it. What could be wrong? case WM_VSCROLL: { SCROLLINFO scrollInfo; ...

Why is it that OPENFILENAME opens image files but does not open .notepad files?

25 Mar 2024 by Gbenbam

Below is a program I use for opening files. bool GetfilePath(HWND hWnd, wchar_t* pszFilename, const wchar_t* pwstFileTypes) { OPENFILENAME ofn; ZeroMemory(&ofn, sizeof(ofn)); ofn.lStructSize = sizeof(ofn); ofn.hwndOwner = hWnd;...

More SQLite Multi-threading

25 Mar 2024 by Mircea Neacsu

Examines the performance of SQLite in multi-threading applications

Why is it that OPENFILENAME opens image files but does not open .notepad files?

25 Mar 2024 by Pete O'Hanlon

Given what you have posted, you are only attempting to choose image types in your file dialog. Text Files\0*.txt\0Image Files\0*.jpg;*.jpeg;*.gif;*.png;*.bmp\0All files (*.*)\0*.*\0\0 Just pass that string into your GetfilePath method and you...

How can I write correct code to solve the equation in C

24 Mar 2024 by merano99

In fact, a lot can go wrong here at the same time, as Rick has already written. In addition to the problem of choosing the correct search range and step size, the function also has 4 jumps, as the formula already reveals. In addition to the risk...

How can I get or download NACL. C++ source code for windows?

24 Mar 2024 by merano99

The source code to be found under the link is actually not directly prepared for Windows. In addition to incompatible shell scripts, Linux system calls and some assembler instructions, the "do" scripts create a lib for the current architecture. ...

How can I get or download NACL. C++ source code for windows?

24 Mar 2024 by k5054

See: NaCl Installation[^] That's fairly clear on how to download and compile the source. NaCl seems to be a mixture of C, C++ and assembler. It does not appear to be a pure C++ project. If you're looking for pure C++ code for NaCl, I think...

How can I get or download NACL. C++ source code for windows?

24 Mar 2024 by Gbenbam

There is no link or explicit instruction on how to download NACL c++ source code for Windows even on its official website. Can anyone here point me in the right direction? What I have tried: I have spent hours searching the web.

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 do I handle double line buffering in a situation when the document size is larger than the memory doc bitmap size?

23 Mar 2024 by merano99

What is meant by scrolling in this case is unclear. I assume that an image is to be drawn that is larger than the window. If the image is not to be scaled to the size of the window, you will only see the part of the image that fits into the...

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

How do I handle double line buffering in a situation when the document size is larger than the memory doc bitmap size?

22 Mar 2024 by OriginalGriff

If I understand you right, you are trying to "draw a picture" (which is what all text and lines end up as when they are rendered for actual display) that is bigger than the bitmap you are drawing into. Imagine this: you have a whiteboard on your...

How do I handle double line buffering in a situation when the document size is larger than the memory doc bitmap size?

22 Mar 2024 by Gbenbam

My app's document contains redered images, ellipse, rectangles, lines etc. For as long as I don't scroll past the memory dc bitmap size, display comes out fine, but ones I scroll over a distance greater than the memory dc bitmap size,the display...

Operations with type double in C

22 Mar 2024 by VaKa

as i dont know initial values for formula, s1, v1, k, s2 and looking at 1st example code, i suppose that cycle stops within 3 steps with incerment=1 (supposing k=0 at begininig), and resulting k is 3. at 2nd example of code, k increments with...

Giving unique id's to users in C++

22 Mar 2024 by OriginalGriff

It's not random, it's being read from the file: void readData() { 51 Student student; 52 ifstream read; 53 read.open("student.txt"); 54 while (!read.eof()) { 55 read >> student.id; Only when you add a new...

Giving unique id's to users in C++

22 Mar 2024 by samcodeonline

I have created a crud to create, read, update and delete in C++. The problem I am facing right now is that while I enter the data the id's of the person don't start from 1, 2, 3 and so on. the id's start from the random numbers like 1586 , 1587...

How can I write correct code to solve the equation in C

21 Mar 2024 by Саша Гайдамак

Help me write a program in C that will fit the values of k into the equation. formula = 5/1+k + 9/2+k + 13/3+k + 17/4+k -16 The value of k can be negative and an integer; in the case of the above selection method, the result should come out to...

How can I write correct code to solve the equation in C

21 Mar 2024 by Rick York

I don't think you are writing that correctly. Shouldn't it be 5/(1+k) + 9/(2+k) ... with parenthesis around each denominator term? This detail is very, very important. I would add parenthesis around each term summed so you don't have to rely...

Operations with type double in C

20 Mar 2024 by CPallini

What Every Computer Scientist Should Know About Floating-Point Arithmetic[^].

Problem with processing queries and outputting to text file

20 Mar 2024 by merano99

Several things don't fit together in this program. The following excerpt alone is creepy: for (int i = 0; i

Problem with processing queries and outputting to text file

20 Mar 2024 by k5054

Look at your search function. What happens when an item is not found? You clearly print the fact that the item does not exist, but then what happens? You might need either a return statement somewhere or wrap part of the function in an else clause.

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.

Problem with processing queries and outputting to text file

20 Mar 2024 by Member 15018472

My code stops running until the query "search flower rose" and does not continue to process the rest of the queries in in.txt. I think that the loop is exiting due to some other condition rather than reaching EOF but I am not entirely sure. The...

Problem with delete the edit

20 Mar 2024 by Member 14594285

I have a array of CEdit*, if this array has elements that aren't NULL I have to delete these..I wrote: if (m_arEdit.GetSize() > 0) { for (int j = 0; j

Problem with delete the edit

20 Mar 2024 by Pete O'Hanlon

Building on Richard's answer, I would make a minor change.int size = m_arEdit.GetSize(); for (int j = size - 1; j >= 0; j--) { if(NULL != m_arEdit[j]) { delete m_arEdit[j]; m_arEdit[j] = NULL; } }

Problem with delete the edit

19 Mar 2024 by Richard MacCutchan

I am assuming that you are calling this code more than once, and the second time you are trying to delete an entry that has already been deleted. You should change the code to: for (int j = 0; j

Problem with delete the edit

19 Mar 2024 by OriginalGriff

It's been a long time since I used MFC ... but your problem is simpler than you think: delete is used to return memory to the heap, it won't remove text from a CEdit control. And that's why your app crashes: the chunk of memory you are trying to...

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.

Operations with type double in C

19 Mar 2024 by merano99

There are several things to note here. It seems that only the variable k is changed with each loop. for (int i = -10000; i

Operations with type double in C

19 Mar 2024 by Саша Гайдамак

please explain how it works? The program gives me the correct result only when I add integers, but in my task I would prefer to use the type double. working option: ` for (int i = -10000; i