I have a Django view that processes a GET request. I want to rebuild the query string to include all variables except for one. I was initially using list comprehension: >>> from django.http import QueryDict >>> q = QueryDict(‘a=2&b=4&c=test’) // <— make believe this is request.GET >>> z = QueryDict(”).copy() >>> z.update(dict([x for x in … Read more
This is probably a simple question that I am just missing but I have two lists containing strings and I want to “bounce” one, element by element, against the other returning the index of the matches. I expect there to be multiple matches and want all of the indices. I know that list.index() gets the … Read more
I’m trying to check if a list has no member as boolean operator AND, OR, NOT. I use: while (‘AND’ and ‘OR’ and ‘NOT’) not in list: print ‘No boolean operator’ However, when my input is: a1 c2 OR c3 AND, it prints ‘No boolean operator’, which means this list is considered no boolean operator … Read more
Hi Stack Overflow users, I’ve encountered a frustrating problem, can’t find the answer to it. Yesterday I was trying to find a way to HIDE a subprocess.Popen. So for example, if i was opening the cmd. I would like it to be hidden, permanently. I found this code: kwargs = {} if subprocess.mswindows: su = … Read more
My current algorithm to check the primality of numbers in python is way to slow for numbers between 10 million and 1 billion. I want it to be improved knowing that I will never get numbers bigger than 1 billion. The context is that I can’t get an implementation that is quick enough for solving … Read more
I am writing a python win32 service below are snippet of my code when i compile the service it works but i need to go to services.msc and start it manually. Is there an option when i install the serivce by : myservice.exe install it will starts automaticly ? below are snippet of my code … Read more
I’ve got a Django app serving a webpage with an HTML5 element. There’s a wierd “feature”, turning the video element to be non-seekable: video.seekable returns a timeRanges object with length=0, whereas it should be length=1. This means I can’t edit the video. JavaScript can’t do anything either. The thing is, when I upload the problematic … Read more
i got an string that might look like this “myFunc(‘element’,’node’,’elementVersion’,’ext’,12,0,0)” i’m currently checking for validity using, which works fine myFunc\((.+?)\,(.+?)\,(.+?)\,(.+?)\,(.+?)\,(.+?)\,(.+?)\) now i’d like to replace whatever string is at the 3rd parameter.unfortunately i cant just use a stringreplace on whatever sub-string on the 3rd position since the same ‘sub-string’ could be anywhere else in that … Read more
Does some analog of C# MemoryStream exist in Python (that could allow me to write binary data from some source direct into memory)? And how would I go about using it? StringIO is one possibility: http://docs.python.org/library/stringio.html This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files). … Read more
I’m running this command in a Python script: try: print sql_string cursor.execute(sql_string) except: print sys.exc_info() and getting: (<class ‘psycopg2.InternalError’>, InternalError(‘current transaction is aborted, commands ignored until end of transaction block\n’,), <traceback object at 0x1010054d0>) However if I try the sql_string from the psql command line, it works just fine. I know the script is connecting … Read more
