I have a fairly new project on github that produces a shared library. Going forward, I would like to use semantic versioning (as described at semver.org) for the shared library major/minor/patch numbers in the file name. The project uses CMake. The CMakeLists.txt file refers to CPACK_PACKAGE_VERSION_MAJOR, CP…
Towards understanding availability of xdg-open
I want to open an image, and in Windows I do: I would like to use a Linux approach, where it’s so much easier to run something on the fly. Example: In my Ubuntu, it works. However, when running that in Wandbox (Live Demo), or in any other online compiler, I would most likely get an error: sh: 1: xdg-ope…
Unknown reason for OnePlus One Custom ROM not booting up
I personally compiled AOSP custom ROM for OnePlus One (bacon) on Ubuntu 18.04 LTS. However, the ROM does not boot up and boots into fastboot mode. If I use the kernel of LineageOS 15 for bacon, the boot animation shows up temporarily but then it boots into fastboot mode. I followed all instructions correctly …
MySQL query errors when connecting from Celery task running on Heroku
I’m seeing wrong query results when executing queries against an external MySQL database, but only when connecting from Celery tasks running on Heroku. The same tasks, when run on my own machine do not show these errors, and the errors only appear about half of the time (although when they fail, all tas…
Why is an AMD Ryzen 2700x 2x slower than a 3-year-old laptop Intel i7-6820HQ with Python?
I just finished installing a desktop computer based on an AMD Ryzen 2700x and 32GB RAM (running Ubuntu 18.04). At work, I have a 3-year-old laptop workstation with an Intel i7-6820HQ and 16GB RAM (running Windows 10). I installed Anaconda on both platforms and ran a custom Python code which relies heavily on …
Difference between *.* and * when used with the cp command and the -R parameter [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
How to wait() only for some child processes and prevent zombies
I’m trying to write a mock-shell in c on linux, and got stuck on this problem: I need to run some processes in the background, and some processes in the foreground. To prevent the foreground processes from becoming zombies, I can use wait(), but how do I prevent the background processes from becoming zo…
IvParameterSpec value different for each print
When trying to understand a problem I faced an interesting problem. The IvParameterSpec class cannot hold the IV fixed. It changes for every println. I am using the javac 10.0.2 version on Ubuntu Linux Each of the println prints different values. What is the problem here? Shouldn’t the values be the sam…
Cannot Install SRC – Linux
I am failing to install SRC in Linux Mint 19 via PIP. I have attempted to paste the output and failed horribly, I have had to double space everything, otherwise, it comes out as one long run-on sentence. Not sure how to paste a readable output of my Linux terminal here. Sorry….. Answer tries to install …
Can I block a new process execution using Kprobe?
Kprobe has a pre-handler function vaguely documented as followed: I was wondering if one can use this function (or any other Kprobe feature) to prevent a process from being executed forked. Answer As documented in the kernel documentation, you can change the execution path by changing the appropriate registe…