Hey :) Firstly I know this question gets asked a lot and I have read through most of the “I want to start programming, what language should I learn?” posts but I also figured everyone is different and their past experiences and interests make the answer(s) to “that” question different....

I was using Python 2.6.5 to build my application, which came with sqlite3 3.5.9. Apparently though, as I found out in another question of mine, foreign key support wasn't introduced in sqlite3 until version 3.6.19. However, Python 2.7 comes with sqlite3 3.6.21, so this work -- I decided I want...

I have a class: class A: s = 'some string' b = <SOME OTHER INSTANCE> now I want this class to have the functionality of a string whenever it can. That is: a = A() print a.b will print b's value. But ...

I'm looking into Pylons and was wondering, should I use Paste as the webserver or can I use Apache? Are there advantages to using Paste? Would you recommend against using Apache? How should I host the sites?

I want to check which Window Manager the user is using (like GNOME or KDE etc.). How do I do that?

I got NameError when I try to run this codes."global name j is not defined". How can I fix it? def test(j): for i in range(j): j = i**2 if name=='main': from timeit import Timer j = 30 t = Timer("test(j)","from m...

Hi, How can I redirect stdout data to a tkinter Text widget? Much obliged, Dennis

This problem is thus: I have an instance of a class, I want to know what list it is a part of, i.e. : class test_class() : def test() : print 'I am a member of list', parent_list foo = [test_class(), 52, 63] bar = ['spam', 'eggs'] foo[0].test() I would li...

I constantly get this error using mako: UnicodeEncodeError: 'ascii' codec can't encode character u'\xe0' in position 6: ordinal not in range(128) I've told mako I'm using unicode in any possible way: mylookup = TemplateLookup( direc...

Hello, I am trying to run my GTK app on Windows XP and I am having troubles with an import. I have installed the following as needed and recommended: python-2.6.msi gtk2-runtime.2-16.6.exe pycairo-1.8.6.exe pygobject-2.20.0 pygtk-2.16.0.exe pyserial-2.5.exe However, I a...

I have a file that in C++ I load into array using below code: int SomeTable[10000]; int LoadTable() { memset(SomeTable, 0, sizeof(SomeTable)); FILE * fin = fopen("SomeFile.dar", "rb"); size_t bytesread = fread(SomeTable, sizeof(SomeTable), 1, fin); fclose(fin)...

I recently wrote a sudoku solver in C to practice programming. After completing it I decided to write an equivalent program in Python for a comparison between the languages and more practice and this is where the problem is. It seems to be that a global variable (sudokupossibilities[][][]) I d...

I use python ftplib to connect to a ftp server which is running on active mode; That means the server will connect my client machine on a random port when data is sent between us. Considering security issue, Can I specify the client's data port (or port range) and let the server connec...

hey, when i m going to login i got the following error Traceback (most recent call last): File "C:\Program Files\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 3199, in _HandleRequest self._Dispatch(dispatcher, self.rfile, outfile, env_dict) Fil...

hi, i have partintid = int(Screw plugg (91_10 -> untitled)) i want to convert 'Screw plugg (91_10 -> untitled)' to int. but i get ValueError: invalid literal for int(): Screw plugg (91_10 -> untitled) Any help? - sunny

I wish to return only the number of google search results for a particular keyword in the fastest manner possible, avoiding (keeping to minimum) the use of third party libraries. I have already considered xgoogle.

For a long time now I've been using pygccxml to parse and introspect my C++ source code: it helps me to do some clever code-generation during our build process. Recently I've read a lot about the benefits of the LLVM stack, and especially the benefits that the LLVM Clang parser brings ...

I want to simulate such clicks without controlling web browsers to do the job. I don't know much about javascript and actually don't know where to start. Any ideas?

I've tried lxml and eventually had to write the whole code for saving object as xml which isn't perfect. I suppose there is a neat way to do it but I just can't find it.

Hi Developers, I want to integrate ns2 with a web server to show some kind of simulation results. Could anyone plz suggest if there's any middleware for this purpose? Google failed to return me any suitable result for this :( Also, if I plan to develop a middleware from scratch...

Hi folks, I'm using long polling for a chat with gevent. I'm using Event.wait() when waiting for new messages to be posted on the chat. I would like to handle the occasion a client disconnects with some functionality: e.g. Return ...

Hi, I am trying to use urllib2 to open url and to send specific cookie text to the server. E.g. I want to open site Solve chess problems, with a specific cookie, e.g. search=1. How do I do it? I am trying to do the follow...

i'm trying to connect to a database building a class connection()saved in local folder in file utils.py .This is what i worked so far of it: class connection: def __init__(self): self.conn = MySQLdb.connect(host = "localhost",user = "decebal", ...

Hello, I've got this code (foo and bar are local servers): env.hosts = ['foo', 'bar'] def mytask(): print(env.hosts[0]) Which, of course prints foo every iteration. As you probably know, Fabric iterates t...

Hii! I want to get the time execution of my function ( test(G) ). when I use Timer I need to write the type of my object : "test(% ?? )" %G which is DiGraph here. How can I do that? from networkx import nx def test(G): for e in G.edges_iter(): print(e) if __name__...

Here's my problem: import urllib2 response=urllib.urlopen('http://proxy-heaven.blogspot.com/') html=response.read() print html It's just this site, and I don't know why the result is all garbled characters. Anyone can help?

I'm looking for a tool that'd let me embed json-formatted information inside a PNG -file. This far it's been quite quiet. Do I have to write it myself? I'd be especially interested of doing it with javascript. Into an image I extract from a canvas with toDataURL -m...

I'm currently trying to write a multiple-file Python (2.6.5) game using PyGame. The problem is that one of the files, "pyconsole.py", needs to be able to call methods on instances of other objects imported by the primary file, "main.py". The problem is that despite the fact that I have a lis...

JavaScript has object literals, e.g. var p = { name: "John Smith", age: 23 } and .NET has anonymous types, e.g. var p = new { Name = "John Smith", Age = 23}; // C# Something similar can be emulated in Python by (ab)using ...

The question says everything. How can I check if my MySQL connection is closed in Python? I'm using MySQLdb, see http://mysql-python.sourceforge.net/

is it possible to enumerate usb devices on Windows with python? could someone provide an example if its possible

Hello, I am new to GAE and I am creating an application with the webapp framework. I was wondering when do you set handlers in your app.yaml and when you define them in your WSGI? At first I thought you only have one main.py main file running the WSGIApplication but I notice i...

Is while True an accepted method for looping over a block of code until an accepted case is reached as below? Is there a more elegant way to do this? while True: value = input() if value == condition: break else: pass # Continue code her...

I'm kind of new to Django and am having some trouble pulling from existing tables. I'm trying to pull data from columns on multiple joined tables. I did find a solution, but it feels a bit like cheating and am wondering if my method below is considered proper or not. class Si...

I'd like to make a very simple text (.txt) file. This python program needs to make a list of multiple ranges of IPs in a subnet, each taking up one line. Example: 10.10.27.1 10.10.27.5 10.10.27.6 10.10.27.26 10.10.27.27 10.10.27.28 10.10.27.29 10.10.27.51 10.10.27.52 1...

i have implemented a function: def postback(i,user,tval): """functie ce posteaza raspunsul bazei de date;stringul din mesaj tb sa fie mai mic de 140 de caractere""" result = { 1:api.PostDirectMessage(user,'Trebuie sa-mi spui si marca pe care o cauti'), 2:post...

I have an application where my DataFetch() class "Wraps" around my HBHTray() class for the purpose of interacting with the functions/variables of that class. Unfortunately, I can't seem to be able to get the code to continue execution after my DataFetch() class makes a instance of HBHTray and ...

I'm working on a web app that will allow the user to do a lookup by date, so that, for example: results = Something.objects.filter(end = date) I'm planning on passing in the date information via the URL, like this: example.com/invoicer?2/9/198...

I have a strange bug when trying to urlopen a certain page from Wikipedia. This is the page: http://en.wikipedia.org/wiki/OpenCola_(drink) This is the shell session: >>&...

I’m currently using the @property decorator to achieve “getters and setters” in a couple of my classes. I wish to be able to inherit these @property methods in a child class. I have some Python code (specifically, I’m working in py3k) which looks vaguely like ...

I am leasing a dedicated web server. I have a Python web-application. Which configuration option (CGI, FCGI, mod_python, Passenger, etc) would result in Python being served the fastest on my web server and how do I set it up that way?

Hello there, Started to learn programming 2 months ago, in one of my little projects i encountered the need to generate permutations of list of objects. I knew that i'll find how to do this if i'll just searched for it, but i wanted to make one of my own, so i worked up and made my own...

I'm stuck with this problem I made an HTML Array, but I can't read it out with Python. Is it even possible to do it in App Engine? I read it was possible in PHP. This is the html code: <label for="hashtags">Hashtags: </label><br/> ...

Hi, Hi would like to set the "Return-Path" header for a MIME message I send with Python. Basically, I tried something like this : message = MIMEMultipart() message.add_header("Return-Path", "something@something.com") #... smtplib.SMTP().sendmail(from, to, message.as_s...

I have two variables that are the result of regex searches. a = re.search('some regex', str) b = re.search('different regex', str) This should return a re object. If they are not None, I want to use the group() method to get the string that it matched. This i...

When I execute my python script from the command line I have no problems like so: [rv@med240-183 db]$ python formatdb.py [rv@med240-183 db]$ When I try to use crontab to run the script every midnight I get a series of errors: i...

This is what I'm trying to accomplish. I'm making a remote call to a server for information, and I want to block to wait for the info. I created a function that returns a Deferred such that when the RPC comes in with the reply, the deferred is called. Then I have a function called from a threa...

I've been tyring to figure out how to load JSON objects in Python. I'm able to send a JSON string to the server, but there it fails. This is what I'm sending through a websocket with JavaScript: ws.send('{"test":"test"}'); The server receives i...

How do I use setdefault in python for nested dictionary structures. eg.. self.table[field] = 0 self.table[date] = [] self.table[value] = {} I would like to setdefault for these.

I have the same code on localhost and on server (thanks to mercurial), but it works a little bit different. I want to render category and its subcategories in template using this code: views.py: def category(request, category_slug): try: category = Category....

Hi, I want to place the project hierarchy in this way project |-app | \app1 | |-templates | \app1_templ.html | |- views.py | \-models.py |-templates | \main.html |-views.py |-models.py ... But in the main.html i want to ...

I'm having a problem with building a form from a request. I'm using WTForms with the sqlalchemy field extensions (in particular the QuerySelectField), and so users pick a Practice from a dropdown, and then when they submit the form it actually submits the UUID which goes with that practice. ...

I'm thinking of making some kind of experimental IDE for digital hardware design. So I can't decide witch platform to choose. I'm going to have text-editor with syntax highlighting, some vector graphics and lots of tabbed windows. My goals: 1. to make GUI using as less custom c...

Suppose I have a form like this: <form id='myform'> Favorite colors? <input type='checkbox' name='color' value='Green'>Green <input type='checkbox' name='color' value='Blue'>Blue <input type='checkbox' name='color' value='Red'>Red <...

For languages that allow nested functions, how does nesting affect performance? I expect this depends a lot on the optimizations done by particular compilers. But with the extreme difference between the deep nesting of Lispers and the "flat is better than nested" of the Pythonistas, I'd like t...

I am interested in hearing the differences between Go and Python and reading an overview of the similarities. I know that Google has heavy usage of Python and Go looks to be a bit related. I was searching around a bit for a comparison and...

My code makes a bunch of https calls using httplib. I want to re-use the httplib.py connection object, but if I do, I sometimes get CannotSendRequest exceptions because the connection ends up in a strange state because some other bit of code blows up mid-way through a request. S...

I wanna setup a global hotkey in python 2.6 that listens to the keyboard shortcut ctrl + D or ctrl + alt + D on windows, please help me

Hi all. From my understanding, os.popen() opens a pipe within Python and initiates a new sub process. I have a problem when I run a for loop in conjunction with os.popen(). I can't seem to CTRL+C out of the loop. Here is my code: for FILE in os.popen("ls $MY_DIR/"): .......

i've written a tool in python where you enter a title, content, then tags, and the entry is then saved in a pickle file. it was mainly designed for copy-paste functionality (you spot a piece of code you like on the net, copy it, and paste it into the program), not really for handwritten conten...

Hello, I am new to c, and the following is giving me some grief: int i,j,ll; double ddim,ddip,ddjm,ddjp,ddlm,ddlp; for(i=1; i<(mx-1); i++){ for(j=1; j<(my-1); j++){ for(ll=1; ll<(mz-1); ll++){ ddim=0.5*(diff(i-1,j,ll)+diff(i,j,ll)); ddip=0.5*(diff(i+1,j,ll...

I want to scrape this web page using Mechanize. The form element looks like this: <form name="ctl00" method="post" action="PSearchResults.aspx?state=ME&amp;rp=" id="ctl00"> ...

I know that it's possible to share a global variable across modules in Python. However, I would like to know the extent to which this is possible and why. For example, global_mod.py x = None mid_access_mod.py from global_mod import * ...

Hello Everyone! I am trying to figure out how I would go about taking serial information from an arduino which controls a javascript browser extension I have running in an open browser locally on a computer. It would seem that I would need some sort of middleman to internalize the ser...

I'm trying to decrypt some data from gpg files that I've downloaded. Downloading the files to a directory is no problem, but I'm having trouble actually decrypting them. Here's what I'm doing right now: def extractGPGs(gpglist,path,gpgPath="\"C:\\Program Files\\GNU\\GnuPG\\gpg....

I've searched several threads and bug reports, but couldn't find a solution. I changed the locale of my Django project to pt-br but it made no difference. I excepted all input fields and outputs to localize dates and numbers, specially DECIMAL_SEPARATOR and

I am in the process of applying to a Computer Science program which requires students to have at least an intro-level exposure to either Java, C or C++. I have some experience with Python and I would prefer to continue working in Python before starting another language; however, the professor...

i have an excel spreadsheet of about 3 million cells. i asked the following question and i liked the answer about saving the spreadsheet as CSV and then processing it with python:

I'm trying to do a lengthy operation but pexpect with the timeout argument doesn't seem to change the length of time before the timeout exception gets fired. Here is my code: child = pexpect.spawn('scp file user@:/temp', timeout=300) whichMatched = child.expect(['(?i)Password'...

Spinning off from another thread, when is it appropriate to use os.system() to issue commands like rm -rf, cd, make, xterm, ls ? Considering there are analog versions of the above commands (except make and xterm), I'm assuming it's safer to use these built-in python commands instead of...

Hi all, I'm tying to execute an R script from python, ideally displaying and saving the results. Using rpy2 has been a bit of a struggle, so I thought I'd just call R directly. I have a feeling that I'll need to use something like "os.system" or "subprocess.call," but I am having dif...

Does this code win32api.GetUserName() works fine on all win system from win 2000 to win 7 ? What about if user is not local user but domain user, does it still work ? When i use this function shell.SHGetFolderPath(0, shellcon.CSIDL_someDirectory, 0, 0), do I...

Hi all, i was wondering how to update a StaticText dynamically in wxpython? I have a script that goes every five minutes and reads a status from a webpage, then prints using wxpython the status in a static input. How would i dynamically, every 5 minutes update the statictext to reflect the sta...

VBA is not cutting it for me anymore. i have lots of huge excel files to which i need to make lots of calculations and break them down into other excel/csv files. i need a language that i can pick up within the next couple of days to do what i need because it is kind of an emergency. i...

I'm wanting to use some newer software that requires Python 2.6, and we currently have both 2.4 and 2.6 installed on our dedicated CentOS server, which looks like this: $ which python /usr/local/bin/python $ which python2.6 /usr/bin/python...

i just installed python i am trying to run this script: import csv reader = csv.reader(open("some.csv", "rb")) for row in reader: print row i am running on windows. do i have to type each line individually into python shell or can i s...

I want to create a stub xml file from a schema ... what packages are the best to use for this? x

i am opening a csv file like this: import csv reader = csv.reader(open("book1.csv", "rb")) for row in reader: print row how can i replace the value in column 3 with its log and then save the result into a new csv?

here is a snapshot of my csv: alex 123f 1 harry fwef 2 alex sef 3 alex gsdf 4 alex wf35 6 harry sdfsdf 3 i would like to get the subset of this data where the occurrence of anything in the first column (harry, alex) is at least 4. ...

Hello stackoverflow, I have a python function that takes a string s-expression like "(add (sub 10 5) 5)", where "add" and "sub" are actually image processing functions, and evaluates and creates the image represented in the string. The image processing functions take constants, variabl...