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  • Python: making a graph of lists [on hold]January 16

    I have this csv file which contains data. It is an upper triangular matrix in the case that the diagonal and all values below the diagonal are zero, the others are positive. I converted this csv file to a list of lists. Now I want to create a weighte

  • Multiple terminals, multiple commands, lxterminalJanuary 9

    I am working with Python. Writing a script, I am attempting to use os.system() to open a new terminal, create new tabs and run different commands in each respective tab (which appear to run simultaneously). I am familiar with gnome-terminal as it is

  • Resolving ascii codec can't decode byte in position ordinal not in rangeJanuary 8

    I've seen all of the other posts and done quite a bit of research but I am still scratching my head. Illustrating the problem: $ python Python 2.7.6 (default, Mar 22 2014, 22:59:56) [GCC 4.8.2] on linux2 Type "help", "copyright", "

  • How to make a turtle object look at where the mouse has clickedJanuary 7

    I want a program so that the turtle goes to where you click. So far I have this: from turtle import * screen = Screen() turtle = Turtle() screen.onscreenclick(turtle.goto) But the problem is the turtle object just stays facing in the same direction.

  • How do I downgrade sdl_image to 1.2.10?January 6

    I am using pygame to try and make a game. The graphics do not show up right and are distorted. I am using OSX El Capitan. People say that there is a bug that happens on El Capitan. The solution is to downgrade sdl_image to 1.2.10, which is what a lot

  • Response from before_requestJanuary 6

    In my app I am trying to check if user is authorised to access the resource, for example when user requests to url api/proxy. I use before_request to call checking function @hook('before_request') def check_permission(): securityService = SecuritySer

  • python - custom contextmanager decorator for with statementDecember 6

    here's the code... There must be some errors, cause, even though the code seems to work as I want, testing it, the decorated function resulted up to 30 time slower than the original. Decorator: import wrapt @wrapt.decorator class custom_with(object):

  • Jaccard Distance calculation using pdist in scipyDecember 4

    import scipy.spatial.distance as dist Y=[[1,2,3],[2,3,4]] Q=dist.pdist(Y,'jaccard') print Q The following snippet gives jaccard distance as 1 while it should be 0.5. On the other hand if Y=[[1,2,3],[4,2,3]] i.e if ordering is changed output is 0.33.

  • Mapping topics to labels in pythonDecember 3

    I have a file of documents labeled as follows: 101 magical awards hosted two days ago 102 it was a good badminton game where each sides ended up in a tie 101 the awards were hosted by the actor who received critical acclaim for his movie 103 heavy ra

  • How to get bit value of hex number based on position in pythonNovember 10

    Hi Friends I'm new person to Python language. I'm trying to write some small code which I want to integrate later in my python module. Here is my question I have a number like a[31:0]= 0X00010001 in a file and I want to get bit value based on positio

  • Improving a numpy implementation of a simple spring network

    Improving a numpy implementation of a simple spring networkNovember 7

    I wanted a very simple spring system written in numpy. The system would be defined as a simple network of knots, linked by links. I'm not interested in evaluating the system over time, but instead I want to go from an initial state, change a variable

  • pip install error ubuntu 15.10 ( Pillow )October 2

    When I try to install something with pip I have error. But with sudo everything is ok. pip install pillow Downloading/unpacking pillow Downloading Pillow-3.1.1.tar.gz (10.1MB): 10.1MB downloaded Running setup.py (path:/tmp/pip-build-hFguWU/pillow/set

  • Flipped (Y-axis) Raster from point cloudSeptember 18

    I have been working on a project where I need to create rasters from irregularly spaced point clouds. I am resampling my point clouds to a regular 0.25 cm grid using a nearest neighbor method pyresample. I am using the output array to make a raster u

  • Polygons across international dateline [-180..+180 longitude]

    Polygons across international dateline [-180..+180 longitude]September 17

    I'm trying to generate polygons for satellite orbital swaths. So far I have a method to generate two lines which represent the edge of each swath in [lat,long]. Some of the swath's cross the international dateline and so wrap round: I was able to sol

  • Adding items in a listAugust 26

    I wrote a function that adds items in a list, but my professor says to try and write it in a simpler way because he says I take too many steps. Is there any other way to write this? def additems(self, item): """Add <item> to this Prio

  • Seconds - Days, Hours, Minutes, and SecondsAugust 25

    This is just a simple function to convert seconds to days, hours, minutes and seconds for a larger app I'm going to be building. I'm just looking for thoughts on it. import math def convert_seconds(x): # Day's days = x / 86400 fraction, whole = math.

  • GIS feature labeling and removal of None or Empty fieldsAugust 25

    I was using dictionary key:values but sometimes the keys would have the same value so my items were 'disappearing' out of the dictionary. Now I use this simple counter to group my values from a list (0,1) (2,3) (4,5). I think the if functions might b

  • Team Fortress 2 item price lookup using Trade.tf developer API and Steam WebAPIAugust 24

    I've made a nice little Python program using the requests module using the Trade.tf Developer API and the Steam WebAPI allowing the user to look up the price of Team Fortress 2 items through Trade.tf's spreadsheet. For those of you that may not know,

  • Sampling with weighted probabilitiesAugust 24

    In an exam question I need to output some numbers self.random_nums with a certain probability self.probabilities: I have written the following program that successfully returns the correct answer and also a test at the bottom which confirms that ever

  • Checking for items in sublistsAugust 24

    Today I'll demonstrate a simple function that searches for a item in all sublists of a list. For this it uses iteration, and keep in mind that it can be slow because of this. How can I improve it? Linked lists? I doubt __contain__ can do the same. de

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