Linux

Great Reads

Getting Started with U++ 2022.2

by Miroslav Fidler

Installation and the first look at U++ platform

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.

Unification of Text and Binary File APIs

by Shao Voon Wong

A portable and easy-to-use C++ file library to read and write structured data

Mario5 with TypeScript

by Florian Rappl

Exploring the abilities, benefits and features of TypeScript by extending / rewriting the original Mario5 source.

Latest Articles

Deploy MySQL and WordPress on an always free tier Arm shape

by Frédéric -lefred- Descamps

How to install WordPress on Oracle Cloud Infrastructure (OCI) using always free tier

Deploy Arm Instances on Oracle Cloud Infrastructure (OCI) using Terraform

by Frédéric -lefred- Descamps

How to deploy Arm instances on Oracle Cloud Infrastructure (OCI) using Terraform

Deploy an Application to Azure Kubernetes Service

by Pranay Bakre

How to deploy applications to the Azure Kubernetes Cluster powered by arm64-based virtual machines

Learn How to Migrate an x86 Application to Multi-architecture with Arm on GKE

by Pranay Bakre

How to migrate existing x86 containerized applications to Arm

All Articles

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Linux

Expected unqualified iD before the { token

N 30 Apr 2024 by OriginalGriff

To add to what Pete has said ... You should expect to get syntax errors every day, probably many times a day while you are coding - we all do regardless of how much experience we have! Sometimes, we misspell a variable, or a keyword; sometimes we...

Linux

Expected unqualified iD before the { token

N 30 Apr 2024 by Pete O'Hanlon

This is telling you that you have mismatched { and } in your code. To fix this, try the following. Make sure that every { and } are on new lines. Immediately after an opening { indent the code by 4 spaces Immediately after a closing } bring...

Linux

Expected unqualified iD before the { token

U 30 Apr 2024 by Ayan Bhanwala

I Can't upload Arduino code because of this problem. I cannot do anything other than remove the blink part of my sketch What I have tried: Trying to add other items ignore the next part please ----> Li

Linux

CUDA 12.3 driver 545.29.06 cudnn: 8.9.6 GTX 1650

13 Apr 2024 by Richard MacCutchan

Please post your question in the CodeProject.AI Discussions[^] forum.

CUDA

Linux

docker

CUDA 12.3 driver 545.29.06 cudnn: 8.9.6 GTX 1650

13 Apr 2024 by Member 16044303

My question : Is it possible to have this configuration and the system work correctly ? Because my GPU is every time at 0% usage and I have test lot of driver, cuda and codeproject ai version and event my GPU is at 0% usage... I don't know if...

CUDA

Linux

docker

Deploy MySQL and WordPress on an always free tier Arm shape

12 Apr 2024 by Frédéric -lefred- Descamps

How to install WordPress on Oracle Cloud Infrastructure (OCI) using always free tier

Deploy Arm Instances on Oracle Cloud Infrastructure (OCI) using Terraform

11 Apr 2024 by Frédéric -lefred- Descamps

How to deploy Arm instances on Oracle Cloud Infrastructure (OCI) using Terraform

Deploy an Application to Azure Kubernetes Service

10 Apr 2024 by Pranay Bakre

How to deploy applications to the Azure Kubernetes Cluster powered by arm64-based virtual machines

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

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++

Linux

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

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...

C++

Linux

Learn How to Migrate an x86 Application to Multi-architecture with Arm on GKE

9 Apr 2024 by Pranay Bakre

How to migrate existing x86 containerized applications to Arm

Learn How to Build and Deploy a Multi-architecture Application on Amazon EKS

8 Apr 2024 by Pranay Bakre

How to build and deploy a multi-architecture application with x86/amd64 and arm64-based container images on Amazon EKS

Docker Contexts: Simplifying Remote Operations

3 Apr 2024 by GabrieleTronchin

The Docker context command simplifies the configuration and switching between contexts.

Linux

docker

How to implement smooth car movement and turns on a grid in a C game

1 Apr 2024 by KarstenK

As somebody already wrote: best is to hold the complete map (your background) as drawable image the whole game, so your drawing code may look similar like:void drawScreen(int x, int y) { if( isSomeCarAt( x, y ) { drawCar( x, y ); } else {...

How to implement smooth car movement and turns on a grid in a C game

31 Mar 2024 by steveb

Generally in a computer graphics smooth rendering is achieved by using a back buffer to which an image is drawn with subsequent BLIT (Block Image Transfer) into the Video memory. Drawing into the video memory directly results in visual anomalies...

How to implement smooth car movement and turns on a grid in a C game

30 Mar 2024 by merano99

To restore the background position, the old background can be saved with its position before it is overwritten by cars or players. As soon as the field is free again, the saved position can be restored. An alternative would be to use a copy of...

How to implement smooth car movement and turns on a grid in a C game

30 Mar 2024 by k5054

If I were doing this, I might be tempted to track the grid, the player and the car(s) separately, something like: struct position { int row, col }; struct position player; struct vehicle { char direction; struct position pos; }; // and...

Help, I can't package via flatpak

30 Mar 2024 by Member 13096931

Bo, I can't understand... I manage to compile it with this code: id: org.flatpak.LaMiaVideoteca runtime: org.freedesktop.Platform runtime-version: '23.08' sdk: org.freedesktop.Sdk command: LaMiaVideoteca modules: - name: LaMiaVideoteca ...

Linux

How to implement smooth car movement and turns on a grid in a C game

30 Mar 2024 by DosNecro

/* Rasal Amarasurya */ /* 21304178 */ #include #include #include /* For malloc, free */ #include "game.h" /* Include the game header */ void initializeGame(char **grid, int rows, int cols, FILE *file, int...

Help, I can't package via flatpak

29 Mar 2024 by Andre Oosthuizen

Note that, according to the Official Documentation[^], these directories are blacklisted - /lib, /lib32, /lib64, /bin, /sbin, /usr, /boot, /root, /tmp, /etc, /app, /run, /proc, /sys, /dev, /var, meaning you can't give an app access to them even...

Linux

Help, I can't package via flatpak

29 Mar 2024 by Member 13096931

I have written an application and I would like to package it via FLATPAK. I put the files that make up the program inside a folder called "files", inside which there are three folders "bin", "share" and "lib". I then created the "manifest.json"...

Linux

Unexpected game exit upon player movement in C ncurses game

29 Mar 2024 by DosNecro

Unexpected game exit upon player movement in C ncurses game

29 Mar 2024 by merano99

CPallini is right! The comment in the source code says that the initializeGame() function should determine the player position. int playerRow, playerCol; /* Removed the initialization here as it's set in initializeGame */ However, the prototype...

Unexpected game exit upon player movement in C ncurses game

28 Mar 2024 by CPallini

You failed to properly initialize playerRow, playerRow variables. Put a breakpoint at movePlayer function in order to see that live.

Facing error like "error detect_adapter.py: modulenotfounderror: no module named 'PIL'" while installing any YOLO module in my linux system .

27 Mar 2024 by Richard MacCutchan

Please post your question in the CodeProject.AI Discussions[^] forum.

Facing error like "error detect_adapter.py: modulenotfounderror: no module named 'PIL'" while installing any YOLO module in my linux system .

27 Mar 2024 by vijay s 2024

Hi I have installed codeProject.ai server for linux and run. It is running in my device as expected. But When I try install module which is YOLO v5.3.1 , It throws the below error : Trace Starting Background AI Modules Trace Running module...

Seeking feedback: OSTEP chapter 6 measurement homework

24 Mar 2024 by Sean Cundiff

Are you intending for only the parent child process to have CPU affinity? if(sched_setaffinity(0, sizeof(mask), &mask) == -1) { perror("sched_setaffinity()"); return EXIT_FAILURE; } If not you should probably change...

Linux

Seeking feedback: OSTEP chapter 6 measurement homework

23 Mar 2024 by PhaazeReborn

Greetings, I am self-studying OSTEP (Operating Systems Three Easy Pieces). It's an amazing book, and I'm learning a ton from it. Currently, I am working on the measurement homework at the end of Chapter 6 (Mechanism: Limited Direct Execution). I...

Linux

Challenges in Migrating ASP.NET Apps to Containers #3 – OpenSSL Issues

22 Mar 2024 by Mohammad Elsheimy

Configuring OpenSSL minimum version and legacy renogetiation

Cannot allocate memory perror: fgetc or fgets

8 Mar 2024 by merano99

The program cannot function in the above form. It is immediately apparent that the offset would have to be a reference if the main program is to work sensibly as suggested. In addition, it seems urgently necessary to use a size_t as the data type...

Linux

embedded

Cannot allocate memory perror: fgetc or fgets

7 Mar 2024 by k5054

You've tagged this with "embedded", so maybe you are running into malloc problems when using fgets. Maybe a better solution would be to use low level open() and read() Something like: #include #include #include ...

Linux

embedded

Cannot allocate memory perror: fgetc or fgets

6 Mar 2024 by Richard MacCutchan

You have a potential hazard in your CustomGetLine function, in the following lines: if (dPtr[0] != cStartChar) { // Skip this line by reading the next one return CustomGetLine(dPtr, n, stream, cStartChar,...

Linux

embedded

Cannot allocate memory perror: fgetc or fgets

6 Mar 2024 by _Asif_

have compiled your code on Windows and there are no memory allocation issues found. fgets do not allocate additional memory rather it simply copy content from the file stream into the source pointer. Since you already have allocated 5000 bytes of...

Linux

embedded

Cannot allocate memory perror: fgetc or fgets

6 Mar 2024 by CPallini

I compiled your code, getting just the following warning: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 50 | while (uPktlen = CustomGetLine(tempbuf, &PtrSize, pCurrFile, '$', u32Offset)) anyway...

Linux

embedded

Cannot allocate memory perror: fgetc or fgets

6 Mar 2024 by Charan Kumar Oct2022

I have written a simple c program as below where we are trying to read line by line data by using fgets() and we skipping the lines which doesn't start with character '$' , the problem I'm facing is I'm getting error as fgets: Cannot allocate...

Linux

embedded

Has there ever been a unix version of ubuntu?

5 Mar 2024 by Pete O'Hanlon

By its very nature, Ubuntu is a Linux distribution, in just the same way that Debian, Red Hat, CentOS, etc, are. And, while Linux started off as a one-person exercise, it's a lot more than that now. There's no way that Torvalds could maintain the...

Ubuntu

Linux

Has there ever been a unix version of ubuntu?

5 Mar 2024 by Dave Kreskowiak

No, there was never a Unix version.

Ubuntu

Linux

Has there ever been a unix version of ubuntu?

5 Mar 2024 by Maarten ten Velden

I.e. not being built "on a one-person project" (linux). The "whole Linus Torvalds worship" for me really ruins what ubuntu should be about, collaboration, not "idealizing one person above everyone else". I know the story "that Linus Torvalds...

Ubuntu

Linux

Challenges in Migrating ASP.NET Apps to Containers #2 – Windows Fonts

4 Mar 2024 by Mohammad Elsheimy

Porting Windows Fonts to Linux

How do I find the library .so files?

1 Mar 2024 by k5054

You could always try locate $ sudo apt install -y locate # ... installation messages snipped ... $ sudo updatedb $ locate libc.so /usr/lib/arm-linux-gnueabihf/libc.so /usr/lib/arm-linux-gnueabihf/libc.so.6 $ You'll need to run updatedb to...

C++

Linux

How do I find the library .so files?

1 Mar 2024 by Salvatore Terress

OK, this has been asked many times, so please bear with me. My "tool" seems to ignore WHERE it should put library .so files. I need an EASY way - Linux command - to find them. clang++ -c -pipe -g -std=gnu++11 -Wall -Wextra -D_REENTRANT...

C++

Linux

How do I find the library .so files?

1 Mar 2024 by CPallini

What is 'your tool'? I you mean the posted command lines, they are creating the shared library files in (their) current directory, I believe.

C++

Linux

Mystring.split(environment.newline) fails between windows and linux

28 Feb 2024 by Richard Deeming

Since you're using .NET 6, you could try using the MemoryExtensions.EnumerateLines method[^] method, which should handle both Windows and Linux newlines for you. List lines = []; foreach (ReadOnlySpan line in...

Linux

.NET8

JSON

Mystring.split(environment.newline) fails between windows and linux

28 Feb 2024 by Sander Rossel

Hi all, I've recently migrated a web app from a Windows Azure App Service to a Linux one. I'm now running into a problem that I had not anticipated. Since I'm new to running on Linux I thought I'd ask here. So basically the web app allows users...

Linux

.NET8

JSON

Is dbus.h "common " linux system d-bus header ?

25 Feb 2024 by Salvatore Terress

SOLVED / HACKED Found yet another "Bluetooth" resource with dbus-arch-deps.h defined... "it" compiles... CASE TEMPORARY CLOSED

Linux

Is dbus.h "common " linux system d-bus header ?

24 Feb 2024 by k5054

Have you installed the libdbus-1-dev? The headers are included in that package, along with everything you need for programming against the library. You might also want to look into libdbus-cpp-dev, which appears to offer a CPP wrapper to the...

Linux

Is dbus.h "common " linux system d-bus header ?

23 Feb 2024 by Richard MacCutchan

See GitHub - itemis/dbus: D-Bus is a message bus system, a simple way for applications to talk to one another.[^]

Linux

Is dbus.h "common " linux system d-bus header ?

23 Feb 2024 by Salvatore Terress

ADDENDUM Am I on right track ? "add this to "im0plement" dbus in my copy of Linux ??? " nov25-1@nov251-desktop:~$ g++ -Wall --std=c++11 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include main.cpp -ldbus-1 not sure what...

Linux

Challenges in Migrating ASP.NET Apps to Containers #1 – Multiple Active Result Sets

23 Feb 2024 by Mohammad Elsheimy

One of the major issues encountered when connecting to databases after porting ASP.NET app to Docker Linux containers.

VisionFive 2 RISC-V - Building the Linux Kernel

21 Feb 2024 by Richard Chambers

This article discusses using cross compile tools under x86 Ubuntu Linux to build the Linux kernel for the VisionFive 2 RISC-V SBC.

Ubuntu

Debian

Linux

How do I prevent roads from disappearing when the player moves through them in a grid-based game? - C programming

21 Feb 2024 by Patrice T

Quote: How do I prevent roads from disappearing when the player moves through them in a grid-based game? - C programming Replace /* Clear the player's previous position */ grid[*prevPlayerRow][*prevPlayerCol] = ' '; with /* Clear...

How do I prevent roads from disappearing when the player moves through them in a grid-based game? - C programming

21 Feb 2024 by merano99

Obviously, according to the source code in movePlayer(), the roads do not play a role in relation to the player, as the player should be able to move through them. It is therefore background. This means that the previous state should be saved and...

How do I prevent roads from disappearing when the player moves through them in a grid-based game? - C programming

20 Feb 2024 by OriginalGriff

Create a global variable called lastSurfaceType and initialise it to "road". When you move a player, set the square it is on to lastSurfaceType before you do the move, then set the variable to the type the player is about to move to. That way,...

How do I prevent roads from disappearing when the player moves through them in a grid-based game? - C programming

20 Feb 2024 by DosNecro

I'm currently working on a grid-based game in C where I have roads represented by dots ('.') and a player represented by 'P'. The goal is for the player to reach the destination ('G'). However, I'm facing a challenge in keeping the roads visible...

IP Radar 2 - Real-Time Detection and Defense

5 Feb 2024 by Clark Fieseln

Protect your privacy against malicious network activity and policy violations

How do I solve wrong parameter in emu 880 assembly programming

3 Feb 2024 by Christy Haymi

Illegal instructions:section. data or wrong parameters Illegal instructions:section. bss or wrong parameters Illegal instructions:section. text or wrong parameters Illegal instructions:section. start or wrong parameters Wrong parameters :MOV edx,...

Linux

IoT System for Data Acquisition with REDIS and GO Language

30 Jan 2024 by José Cintra

IoT architecture proposal for sensor data acquisition modules using the REDIS database and the GO language

License plate reader not working in CodeProject AI 2.5.1

29 Jan 2024 by OriginalGriff

This would be better posted in the dedicated forum: CodeProject.AI Discussions[^]

Linux

License plate reader not working in CodeProject AI 2.5.1

29 Jan 2024 by Ayan Ashraf

I have tried in Windows 10 and Docker running on a Linux VM so far. The same thing happens: after starting the ALPR module, it says Module ALPR has shutdown, followed by ALPR_adapter.py: has exited. Every image shows "No predictions returned" in...

Linux

Have problem with Google ads

20 Jan 2024 by OriginalGriff

Talk to Google: it's their software, their ads - and they don't get paid until people can see the ads on your site. If nothing else, they can point you at the official doc8umentation which will explain how to use them.

Google

Linux

Have problem with Google ads

20 Jan 2024 by angry whopper

you guys have any issue with building dashboard for company using google ads API? i have somehow cannot connect the dots between those the dashboard and the API What I have tried: actually i only adding the API

Google

Linux

Troubleshooting Hard-to-Find Windows Subsystem for Linux (WSL) Crash Due to Issues with NTVDMx64

18 Jan 2024 by Minh Danh Nguyen (ToughDev)

This article describes how to use WinDbg to identify issues that may prevent Windows Subsystem for Linux (WSL) from starting.

Linux

VMware

virtual

How do I find which editor is using these symbols?

12 Jan 2024 by Salvatore Terress

How do I find which editor is using these symbols? ..after c++ comment symbol // //! [4] What I have tried: How do I find which editor is using these symbols? ..after c++ comment symbol // //! [4]

Linux

How do I find which editor is using these symbols?

12 Jan 2024 by Patrice T

Quote: How do I find which editor is using these symbols? There is no way to find the editor since these symbols are not specific to an editor. You need to provide some context.

Linux

Express server slow response in chrome, but not in firefox

8 Jan 2024 by Blainecode

API respond time in Chrome: 20.37ms API respond time in Firefox: 0.5ms - 1ms as expected. OS: Fedora Linux 38. What I have tried: I have an Express server and a client in the AWS which EC2 free service, but my server's respond time have...

How I change my password account please thanks

3 Jan 2024 by Richard Deeming

Assuming you mean your CodeProject password: Hover over your name (top right) and click "My Settings[^]"; Enter your current password, enter the new password, and confirm the new password; Click "Save my settings"; If you're not...

Linux

Windows

How I change my password account please thanks

3 Jan 2024 by Member 8908630

i want to change my account password please thanks GOD BLESS What I have tried: I NEED CHANGE MY ACCOUNT PASSWORD

Linux

Windows

Embedding Native (Windows and Linux) Views/Controls/Applications into Avalonia Applications in Easy Samples

26 Dec 2023 by Nick Polyak

This article describes embedding native Windows and Linux control into an Avalonia application.

Linux

NET6.0

Avalonia

Relocation truncated to fit error in assembly

21 Dec 2023 by Richard MacCutchan

The first message is telling you that you have not defined a start label for the program's main entry point. The others are indicating that the operands are too long for register rsi. You should check the assembler and cpu documentation to find...

Linux

WSL2

Relocation truncated to fit error in assembly

21 Dec 2023 by Member 16165977

I am trying to create a program that determines if a number is prime or not in assembly x64 using wsl this is the code: global main section .data input_number dq 17 newline db 0xA prime_msg db "The number is prime" not_prime_msg...

Linux

WSL2

Transfer Learning with TensorFlow on Intel® Arc™ GPUs

18 Dec 2023 by Intel

Fast and Easy Training and Inference Using Intel® Consumer GPUs and Windows* Subsystem for Linux 2

How do I keep repeated foreign key values without having to get rid of the foreign key constraint?

22 Nov 2023 by k5054

As presented, there are no issues with your schema, other than no Stadium table definition. In any case, a column with a Foreign Key constraint may have duplicate values. Check the schema for the WomensWCSchedule table and make sure you do not...

How do I keep repeated foreign key values without having to get rid of the foreign key constraint?

22 Nov 2023 by DosNecro

-- Values for the schedule of all matches that took place INSERT IGNORE INTO WomenWCSchedule (Bracket, Match_ID, Referee_ID, Team_1, Team_2, Date, Time, Stadium) VALUES ('Group Stage A', 'M01', 'R05', 'New Zealand', 'Norway', '2023-07-20',...

System has not been booted with systemd as init system (PID 1). Can't operate. Failed to connect to bus: host is down

8 Nov 2023 by Richard MacCutchan

It may be that your version of Linux is not supported. It is always best to stay away from Youtube when learning new products, and use instead the official documentation: Install Docker Desktop on Linux | Docker Docs[^].

Linux

docker