This question already has an answer here: Recursive function returning none in Python [duplicate] 2 answers python recursion return None type 2 answers Return in Recursive Function 3 answers Python recursion and return statements 2 answers Can't figu
So, I have this code: path_list = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7
class student(object): def __init__(self, name, age, year): self.name, self.age, self.year = name, age, year self.grades=[] self.grade={} print(name,'-------->','Age:',age,'','Year:',year) def set_grades(self,score): self.grades.append(score) def get
This question is close to what is asked in Overriding other __rmul__ with your class's __mul__ but I am under the impression that this is a more general problem then only numerical data. Also that is not answered and I really don't want to use the ma
This question already has an answer here: Python is adding extra newline to the output 5 answers I have this little problem. If i create a list from the content of a txt file and print it row by row there are huge spaces between these outputs. Like:
I installed python 3.5.1 via ampps and it's working. However, when i try to use pip, i get the following message: Fatal error in launcher: Unable to create process using '"' I already reinstalled ampps into a path which doesn't include any whitespace
I'm trying to generate PDF's with Images. im = ImageReader('00001.png') c = canvas.Canvas('networkanalyze.pdf', pagesize=A4) c.drawImage(im, 10, 10, mask='auto') c.showPage() c.save() Traceback: Traceback (most recent call last): File "pdf.py",
I want to create a vector of dummy variables(can take only O or 1). I am doing the following: data = ['one','two','three','four','six'] variables = ['two','five','ten'] I got the following two ways: dummy=[] for variable in variables: if variable in
As I understand, | tries different subpatterns in alternation and matches the first possible option. Whenever there are multiple groups, the later ones behave unexpectedly when one of the subpatterns is empty giving it priority. Example: re.search("(
I was trying to run django app on docker container. Followed steps mentioned at https://docs.docker.com/compose/django/ But after running the command docker-compose run web django-admin.py startproject composeexample . I facing error PermissionError:
This question already has an answer here: CSV file written with Python has blank lines between each row 5 answers Im having a hard time trying to delete empty(blank) rows from a csv file using python 3.4.3. Each time I run my script the output remain
I am using Python 3.4.3. What am I trying to do is, storing a cmd command's output into a variable without printing that into command line. Here I found the answer but it works on the old version but on 3.4.3, variable "var" contains some random
I can't find any example of deleting documents from Elasticsearch in Python. What I've seen by now - is definition of delete and delete_by_query functions. But for some reason documentation does not provide even a microscopic example of using these f
I have this code: def __executeCommand(self, command: str, input: str = None) -> str: p = sub.Popen(command, stdout=sub.PIPE, stderr=sub.PIPE, stdin=sub.PIPE, universal_newlines=True) p.stdin.write(input) output, error = p.communicate() if (len(error
I did a simple experiment of a GLM in statsmodels, and was perplexed to find why GLM Results did not contain any R^2 attributes? I feel like there is something very simple here about why GLM does not have an R^2 calculation, and ways that I can calcu
Could there possibly be hidden files that I would need to find. Or do I have to re-install Python 2.7 if I want to work with it? ThanksPython installations on OS X generally go in separately and don't uninstall each other. Also, the convention is sti
interest = int(float(raw_input("Interest Rate: "))) monintrate = int(float(( interest / 100.0 ) / 12)) annintrate = int(float(interest / 12)) print "Interest: ",interest print "Mon Int Rate: ",monintrate print "Ann Int R
I have problem with my code. The task was to search for 3 integers that solves this equation 6*a+9*b+20*c = x, where x is an input. The problem is that my code only works for floats, and I unable to force it to give me an anwser only while a,b,c are
This question already has an answer here: split list of tuples in lists of list of tuples 5 answers Assume you have a list of arbitrary elements like ['monkey', 'deer', 'lion', 'giraffe', 'lion', 'eagle', 'lion', 'fish'] which should be split into su
I was wondering if someone could help me figure out how to generate a new tuple with a previously generated tuple. What I have so far is just generating an empty tuple import math as m grav = 9.807 #[m/s**2] gravity http://physics.nist.gov/cgi-bin/cu
I am new in both flask and sqlalchemy, I just start working on a flask app, and I am using sqlalchemy for now. I was wondering if there is any significant benefit I can get from using flask-sqlalchemy vs sqlalchemy. I could not find enough motivation
I've just installed virtualenv (with Python 2.7.2) on my Mac, and I followed the guide here: http://virtualenvwrapper.readthedocs.org/en/latest/install.html But I now get the following errors when I start up my shell every time: stevedore.extension C
I'm developing a PyQt program that will soon switch from an xml type backend to one hosted on a local MySQL server. I've been trying to read around about each of the three options, but thought it might be best to ask ye SO gods. My current experience
I have a set of document objects and label objects, and I want those two objects to be linked. It's a typical many-to-many relationship. I have the following code: Models.py: class Document(models.Model): title = models.CharField(max_length=50, uniqu
HI all, I a newbie in google app engine, i'm using python. Currently, i try to working with task queue. But i dont see any complete sample on this metter. So please give me some sample of task queue in google app engine, written in python. ThanksPyth
The documentation for the built-in type set says: class set([iterable]) Return a new set or frozenset object whose elements are taken from iterable. The elements of a set must be hashable. That is all right but why does this work: >>> l = range(1
I'm looking for some code to check if a file in the file system is available (not used by another process). How could I do it in Python? Thanks! How I'll use it: cylically check if file is available and when it is (processes don't need it anymore) de
I have a dictionary in python with key->value as str->int. If I have to chose a key based on it's own value, then as the value gets larger the key has a lower possibility of being chosen. For example, if key1=2 and key2->1, then the attitude of k
What is a good way to bin numerical values into a certain range? For example, suppose I have a list of values and I want to bin them into N bins by their range. Right now, I do something like this: from scipy import * num_bins = 3 # number of bins to
I've done a bit of reading related to the concurrency issues with sqlite, but I don't see how they'd apply to Django since it's inherently single threaded. I'm not using any multiprocess modules either. I have absolutely no experience with concurrent
