I have the following Python script, all seems to work how I want it to, except for the following: less opens with the option -F, this will follow the file like Tail would. to inspect (move through) the file the user has to ctrl + c to send an interrrupt. when sending the ctrl +c (interrupt) this gets send to
Tag: python
Intermittent “OSError: [Errno 7] Argument list too long” with short command (~125 chars)
This code running under apache2+mod_wsgi on Linux sometimes produces the following output. The output has been anonymized slightly, but the character counts remain exact. The problem seems to happen after the web server has been running for a long time, and goes away with a restart, however it’s difficu…
How to invoke webbrowser from cgi script?
My cgi script is as follows on a Linux system with Firefox and Chrome browsers: Assume that it is a PDF file only. I need to display image files also in a browser. Not able to trace the bug. Answer I edited my code to work this way:
GNU Radio & Python script: “shmget (2): No space left on device”
I currently have the following error when running a Python script with gnuradio 3.7 blocks: I have followed the lines as suggest here: http://osdir.com/ml/discuss-gnuradio-gnu/2013-06/msg00521.html and changing the kernel.shmall and kernel.shmmax values. But what are acceptable values? I have increased them 8…
Python3 error “no module named bluetooth” on Linux Mint
I am trying to connect my Lenovo S10E to a Nintendo Wiimote via bluetooth. I am using a simple Python script, reproduced below. I am calling it from the Linux Mint (version 16, “Petra”) command line using python3 find_wii.py Script: I am receiving the error I have installed bluez and python wrappi…
How to move or resize X11 windows (even if they are maximized)?
I want to change position of a window. My problem is that the window can be maximized, this does not allow to change its size and location (window can belong to any application). I use KDE4. I tried to use ewmh Python module. In my case when the window is maximized I just want to move it from one monitor
opencv installation ffmpeg error
I have been trying to install opencv for a long time in my fedora 20 32 bit system.I followed the instructions from http://docs.opencv.org/trunk/doc/py_tutorials/py_setup/py_setup_in_fedora/py_setup_in_fedora.html#install-opencv-python-in-fedora But after all cmake commands when I m trying to make it I am get…
cv2.hough circles error on video
When I run cv2.HoughCircles() I am getting the error My code is GNU nano 2.2.6 File: cv.py Answer you are not checking if you circles is None. If you do that, it works: Output generated:
Listening for global key-combinations in python on Linux
I just wrote a little program which downloads a new wallpaper from flickr every few minutes. Now I want to add the capability to “like” a wallpaper, so it will occur more often than non-liked or disliked wallpapers. I’d like to assign a global keyboard-shortcut to this function. For example:…
OS X UDP send error: 55 No buffer space available
While I was implementing RUDP in python3.3 on OSX10.9.1 I noticed that the following code actually does not do what it does on linux: (it doesn’t matter which language, same behavior for C, Java and C#/Mono) This code just keep writing a lot udp packets to 8.8.8.8, those packets get dropped after 4 hops…