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python Programming Glossary: frameHow do I capture SIGINT in Python? http://stackoverflow.com/questions/1112343/how-do-i-capture-sigint-in-python python import signal import sys def signal_handler signal frame print 'You pressed Ctrl C ' sys.exit 0 signal.signal signal.SIGINT..
Showing the stack trace from a running Python application http://stackoverflow.com/questions/132058/showing-the-stack-trace-from-a-running-python-application signals import code traceback signal def debug sig frame Interrupt running process and provide a python prompt for interactive.. and provide a python prompt for interactive debugging. d '_frame' frame # Allow access to frame object. d.update frame.f_globals.. a python prompt for interactive debugging. d '_frame' frame # Allow access to frame object. d.update frame.f_globals # Unless..
Keyboard input with timeout in Python http://stackoverflow.com/questions/1335507/keyboard-input-with-timeout-in-python of seconds your want for timeout def interrupted signum frame called when read times out print 'interrupted ' signal.signal..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas datasets on disk and pull only the pieces I need into dataframes for analysis. Others have mentioned MongoDB as an easier to.. field groupings for g v in group_map.items # create the frame for this group frame chunk.reindex columns v 'fields' copy False.. g v in group_map.items # create the frame for this group frame chunk.reindex columns v 'fields' copy False # append it store.append..
How can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images techniques As the question is about a video sequence where frames are likely to be almost the same and you look for something.. or grass . The idea of optical flow is to take two or more frames and assign velocity vector to every pixel dense optical flow.. of the velocity field then something is moving in the frame and subsequent images are more different. share improve this..
How to limit execution time of a function call in Python http://stackoverflow.com/questions/366682/how-to-limit-execution-time-of-a-function-call-in-python like this. import signal def signal_handler signum frame raise Exception Timed out signal.signal signal.SIGALRM signal_handler..
Python list comprehension rebind names even after scope of comprehension. Is this right? http://stackoverflow.com/questions/4198906/python-list-comprehension-rebind-names-even-after-scope-of-comprehension-is-thi generators whose execution requires a separate execution frame. Thus generator expressions especially if they iterate over..
Stop reading process output in Python without hang? http://stackoverflow.com/questions/4417962/stop-reading-process-output-in-python-without-hang class Alarm Exception pass def alarm_handler signum frame raise Alarm def main # start process redirect stdout process..
Getting list of parameter names inside python function [duplicate] http://stackoverflow.com/questions/582056/getting-list-of-parameter-names-inside-python-function can use the inspect module import inspect def func a b c frame inspect.currentframe args _ _ values inspect.getargvalues frame.. module import inspect def func a b c frame inspect.currentframe args _ _ values inspect.getargvalues frame print 'function name.. inspect.currentframe args _ _ values inspect.getargvalues frame print 'function name s ' inspect.getframeinfo frame 2 for i..
New Python Programmer Looking for Help to Avoid Recursion with tkinter http://stackoverflow.com/questions/10039485/new-python-programmer-looking-for-help-to-avoid-recursion-with-tkinter import def mainmenu global frame root frame.destroy frame Frame frame.pack button1 Button frame text anothermenulikethis command.. anothermenulikethis global frame root frame.destroy frame Frame frame.pack button1 Button frame text mainmenu command mainmenu.. Menu Problem Isolation root.geometry 1200x600 frame Frame mainmenu And it all works fine until its inevitable failure..
Setting Camera Parameters in OpenCV/Python http://stackoverflow.com/questions/11420748/setting-camera-parameters-in-opencv-python Height of the frames in the video stream. CV_CAP_PROP_FPS Frame rate. CV_CAP_PROP_FOURCC 4 character code of codec. CV_CAP_PROP_FRAME_COUNT..
Python, Tkinter, Scrollbar and Text Field http://stackoverflow.com/questions/13832720/python-tkinter-scrollbar-and-text-field App object def __init__ self self.root tki.Tk # create a Frame for the Text and Scrollbar txt_frm tki.Frame self.root width.. # create a Frame for the Text and Scrollbar txt_frm tki.Frame self.root width 600 height 600 txt_frm.pack fill both expand..
Mutli-threading python with Tkinter http://stackoverflow.com/questions/14379106/mutli-threading-python-with-tkinter this one create the canvas and the circles class App Frame def __init__ self self.root Tk self.can Canvas self.root width..
Required widgets for displaying a 1D console application http://stackoverflow.com/questions/17846930/required-widgets-for-displaying-a-1d-console-application to use that will allow me vertical scrolling Pile LineBox Frame ListBox or AttrMap. Keep in mind that I need vertical scrolling..
Python soap using soaplib (server) and suds (client) http://stackoverflow.com/questions/1992239/python-soap-using-soaplib-server-and-suds-client lib site packages suds resolver.py line 341 in find frame Frame result resolved known ancestry ancestry File c python25 lib..
Undefined variable from import when using wxPython in pydev http://stackoverflow.com/questions/2143549/undefined-variable-from-import-when-using-wxpython-in-pydev errors on lines 1 4 8 and two on line 5 import wx class MyFrame wx.Frame We simply derive a new class of Frame. def __init__.. lines 1 4 8 and two on line 5 import wx class MyFrame wx.Frame We simply derive a new class of Frame. def __init__ self parent.. wx class MyFrame wx.Frame We simply derive a new class of Frame. def __init__ self parent title wx.Frame.__init__ self parent..
Adding a scrollbar to a grid of widgets in Tkinter http://stackoverflow.com/questions/3085696/adding-a-scrollbar-to-a-grid-of-widgets-in-tkinter layout manager I've tried putting the widget grid into a Frame but that doesn't seem to support the scrollbar interface so.. the scrollbar interface so this doesn't work mainframe Frame root yscrollcommand scrollbar.set Can anyone suggest a way round.. in canvas solution import Tkinter as tk class Example tk.Frame def __init__ self root tk.Frame.__init__ self root self.canvas..
How can I improve my paw detection? http://stackoverflow.com/questions/4087919/how-can-i-improve-my-paw-detection is an ascii file of timesteps formatted similar to this Frame 0 0.00 ms 0.0 0.0 0.0 0.0 0.0 0.0 Frame 1 0.53 ms 0.0 0.0 0.0.. similar to this Frame 0 0.00 ms 0.0 0.0 0.0 0.0 0.0 0.0 Frame 1 0.53 ms 0.0 0.0 0.0 0.0 0.0 0.0 ... with open filename as..
Tkinter radio button initialization bug http://stackoverflow.com/questions/5071559/tkinter-radio-button-initialization-bug them to look like they are selected' lable1.pack runtimeFrame Frame master relief GROOVE borderwidth 3 runtimeFrame.pack fill.. to look like they are selected' lable1.pack runtimeFrame Frame master relief GROOVE borderwidth 3 runtimeFrame.pack fill X.. Frame master relief GROOVE borderwidth 3 runtimeFrame.pack fill X pady 5 padx 5 for mode in 'java' 'python' 'jython'..
How to display picture and get mouse click coordinate on it http://stackoverflow.com/questions/5501192/how-to-display-picture-and-get-mouse-click-coordinate-on-it root Tk #setting up a tkinter canvas with scrollbars frame Frame root bd 2 relief SUNKEN frame.grid_rowconfigure 0 weight 1 frame.grid_columnconfigure..
Parse XML file into Python object http://stackoverflow.com/questions/5530857/parse-xml-file-into-python-object stereo Mode Length 00 02 43 Length Size 5 236 644 Size Frame no Frame Quality good Quality Freq. 44100 Freq. Frames 6255.. Mode Length 00 02 43 Length Size 5 236 644 Size Frame no Frame Quality good Quality Freq. 44100 Freq. Frames 6255 Frames ....... Size Frame no Frame Quality good Quality Freq. 44100 Freq. Frames 6255 Frames ..... and so forth ...... file file .... file encspot..
How to reliably generate Ethernet frame errors in software? http://stackoverflow.com/questions/6329583/how-to-reliably-generate-ethernet-frame-errors-in-software # usr bin env python from socket import # # Ethernet Frame # # Destination address 6 bytes # Source address 6 bytes # Ethertype..
why is plotting with Matplotlib so slow? http://stackoverflow.com/questions/8955869/why-is-plotting-with-matplotlib-so-slow 'p ' # turn off interactive plotting speeds things up by 1 Frame second plt.ioff tstart time.time # for profiling for i in arange..
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