I want to compile this which requires Qt 5.14 and I have Qt 5.12 installed from my linux repository.I just compiled Qt from source and installed it in /usr/local/Qt-6.0.0/(default location). But CMake prints the following error although I’ve added set(CMAKE_PREFIX_PATH “/usr/local/Qt-6.0.0/include…
How to increase available filesystem size in /dev/root in Linux Centos 7.7 (AltArch)?
I am running a fresh installation of CentOS 7.7. on my Raspberry Pi 3 and unfortunatly I am running out of size when installing yum packages: The OS is installed on a 16gb SD card, so in principle I should have more than enough space: I figured that I should be able to increase the size of the file system
QT diconnect from wifi
I need to disconnect from current access point. I wrote this piece of code: How can I disconnect from wifi? Or should I use C/C++ (some API) for that? Answer You can use QProcess and run system commands to connect and disconnect WiFi like below but this is Linux solution: Replace wlp3s0 with your WiFi interfa…
How to shift between two same windows using keyboard keys in Ubuntu [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 …
VScode settings.json
My understanding is that most logical way to manage my extensions ( and other stuff, I guess ) in VSCode is to edit its setting.json file. I am using Debian Linux MX Continuum 18.3 and based on what I have read on internet it should be found in ~/.config/Code/User, but there is no such file there. Answer Meth…
Bash: syntax error operand expected “=”, in assignment statement in a for loop
EDIT: I think that it’s not picking up the $1 as the operand. I tried storing it in a variable, then trying the assignment but it seems that has no effect. EDIT 2: provided a minimal reproducible script as requested. The error generating part of the code is the following: the rest of the function’…
Upgrading `pip` removes other python’s pips
On a CentOS 7 system, I have multiple versions of Python installed, each with their own version of pip: When I ask pip3.8 to upgrade itself, it removes the installed pip3.7: Why is it doing this, and how can I prevent it? UPDATES: The lib paths are different for the two installations, as shown here: It is not…
Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-install-xaum7z8f/supervisor/
I’m setting up an existing project and when I am running pip install -r requirements.txt After every dependency is installed it gives this error: Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-install-d0j9czw9/supervisor/ This is the list of complete installation I h…
Which Valgrind tool and option to use for investigation of RAM allocation for each function?
I have never used Valgrind, but I think this tool can help me with my question. I would be grateful for any help. In my R code, I use the MixedModels Julia package. I integrate Julia in R using the JuliaCall package. I work with very large datasets (~1 GB, ~4×10^6 observations) and at the modeling step (…
grep a file to read a key:value
I have a file file.txt which has various key:value pairs. While reading a particular value from file, more than one lines are printed. Please help me in correcting my logic below. INPUT_FILE DESIRED_OUTPUT 1234_12345678_987 MY_CODE cat file.txt | grep -w 1234-A0 | cut -f2 -d ‘:’ OUTPUT 1234-A0;567…