I am using Ubuntu virtual box and writing a project in C++. I am unable to put a format specifier for atomic<uint64_t> datatype in C++. Answer Use .load() to get uint64_t out of the atomic, then print it as a regular uint64_t using PRIu64:
git-lfs INSTALLATION ERROR : Syntax error: end of file unexpected (expecting “)”)
I am working on Jetson nano platform ARMv8 Processor rev 1 (v8l) × 4. I downloaded and extracted the binary from https://git-lfs.github.com/ Trying to install from the install.sh script provided in the download package on Debian/sid: I get the following and the error: The git versiongit version 2.17.1 Answer …
Capturing PTP packets with Linux raw socket
I want to implement a C program that captures all the Precision-Time-Protocol (PTP) frames on the Ethernet, so I created a raw socket and attached a filter for PTP, I use recvmsg() to read data from the socket. The first issue is that I wasn’t receiving any PTP frames so I commented out the filter but n…
Same program/process acquiring lock every time when using LOCK_NB with LOCK_EX flag
I have a requirement, where two separate processes/programs running in parallel (One written in Python and one written in C++) need to get exclusive access, modifying a hardware related value. I’m trying to attain synchronization between them using flock. The code for the same is as below, Python Code C…
install python packages using init scripts in a databricks cluster
I have installed the databricks cli tool by running the following command pip install databricks-cli using the appropriate version of pip for your Python installation. If you are using Python 3, run pip3. Then by creating a PAT (personal-access token in Databricks) I run the following .sh bash script: python_…
Communication between two processes without using fork()
I’m trying to do a ping pong exercise, I ask for guidance / direction but not a solution so I can learn. Workspace: ubuntu 19 Language: C. The task is like this: Do not use () fork The ping process is waiting for a signal The Pong process gets the Ping PID from the command line as an argument Pong
I wanted to create a shared memory for student report card data but it returns the error condition in the shmat syscall
I wanted to create a project where the requirement is to use shared memory to create a student report. Asks user for number of students report to be created and dynamically allocate the memory. But when I try to attach it, it gets into the error check if statement and after printing the error message it print…
How can I check if specific file be used in php project and linux environment
Currently I want to check if a specific file be used in php project thanks for reading, any help would be appreciated Answer You can use linux command
Azure + gunicorn + flask + Azure Web App Linux: ModuleNotFoundError: No module named ‘flaskr’
the use case I have followed the flask tutorial on those pages: https://flask.palletsprojects.com/en/1.1.x/tutorial/ The project directory is the following : run the web app The web app works by running the script ‘run_app_prod.sh’. the code works on my local machine (ubuntu 20.04) but not on azur…
ftp: Login to server, auto-change remote dir, then bring user input?
I’m using “ftp” with the login credentials in .netrc for auto-login to a remote FTP server. The thing is that I always need to “cd” to my remote working dir manually each time I log in. Is there any way to “cd” automatically on connection, and then bring the user inpu…