Please help me, I’m really desperate and I don’t know what to do. So we had that assignment in university to program dijkstra’s algorithm in python. I did it on my laptop (it’s running debian) and it worked perfectly fine, the script is doing what it’s supposed to do and gives me…
Reload Flask app when template file changes under Linux
I am developing a flask application under Linux, and i’m suffering when i make any changes to template files. Actually i well configured my app to reload on template changes using PS: when i develop under Windows templates are reloading normally. EDIT I am using the built in server, and i run my app lik…
Hook and block globally mouse in X11
I need to hook globally mouse clicks and block last click if delay between two clicks is less than was set. I wrote it for windows using WM_MOUSE_LL hook. I was unable to find any solution for me. Is it even possible to globally block mouse click in X11 ? Windows full code Answer As far as I know the
Why cat 0>file doesn’t work
In Unix, I know that 0 1 and 2 represent stdin stdout and stderr. As my understanding, the command cat meaning “concatenate” can concatenate different files. For example, cat file>&1 can concatenate the file and the stdout and the arrow means the redirection from the fileto the stdout, so w…
In linux system, how to find the words (immediately next alone) next to a given word in a file?
I need to find all the table names alone in all select statements in my query log. Is there any way to grep (or) any other option, to take the strings that comes immediately after the word FROM in my file .. Example: file contains something like this Now I want the list of the distinct tables alone from the
Executing Bash commands using C code
I’m trying to use file.cpp to execute some simple bash commands. Code works for commands like ls, gedit, echo but fails at cd command. Here is my file.cpp: I execute it after compiling using ./file and my terminal output is, Current directory didn’t change to /etc. I have tried changing cd /etc to…
Which jpeg delegate to install, and what are the installation steps in CentOS?
I am trying to install imagemagick and jpeg delegate to a CentOS machine that I do not have sudo access to. The first thing I tried was to install imagemagick by doing In the resulting installation jpeg delegate was missing. Through old forum posts I was directed to http://www.imagemagick.org/download/delegat…
bash command redirection in expect script failing with permission denied (spawn ssh user@host command > outfile)
I have this expect script that is supposed to read a gpg encrypted password, and use it to call a remote script via ssh (there are many reasons why I need to do it like that). Now, my problem is that whenever I run this script, the ssh connection is correctly set up, but it fails in writing the output
Linux enable pca9685 in sysfs
I would like to enable a PCA9685 as a PWM in /sys/class/pwm/. The Platform is a Raspberry Pi 2 and the chip is connected to /dev/i2c-1. I find the chip with i2c-detect, but i don’t know how do I enable this driver: http://lxr.free-electrons.com/source/drivers/pwm/pwm-pca9685.c. I also found this but it …
How do I call native Linux and OS X API from .NET Core application?
I need to call file management functions that are not present in .NET Core. How do I call native Linux and Mac OS X API from my C# code? Edit: The only answer to this question doesn’t include any definitive information. Can someone post some code samples or more concrete details about how to invoke Mac …