Q_Id int64 337 49.3M | CreationDate stringlengths 23 23 | Users Score int64 -42 1.15k | Other int64 0 1 | Python Basics and Environment int64 0 1 | System Administration and DevOps int64 0 1 | Tags stringlengths 6 105 | A_Id int64 518 72.5M | AnswerCount int64 1 64 | is_accepted bool 2
classes | Web Development int64 0 1 | GUI and Desktop Applications int64 0 1 | Answer stringlengths 6 11.6k | Available Count int64 1 31 | Q_Score int64 0 6.79k | Data Science and Machine Learning int64 0 1 | Question stringlengths 15 29k | Title stringlengths 11 150 | Score float64 -1 1.2 | Database and SQL int64 0 1 | Networking and APIs int64 0 1 | ViewCount int64 8 6.81M |
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14,805,789 | 2013-02-11T04:13:00.000 | 0 | 0 | 1 | 0 | python,string | 14,805,802 | 4 | false | 0 | 0 | array[begin:end:step]
word[1:9:2] means you begin at index 1, and up until index 9, take every second letter. | 1 | 2 | 0 | i have a python string
word = helloworld
the answer for
word[1:9:2] will be given as "elwr". How this is happening? Thank you!! | How Python String array work? | 0 | 0 | 0 | 4,999 |
14,813,494 | 2013-02-11T13:57:00.000 | 0 | 0 | 0 | 1 | python,fortran,f2py | 14,830,945 | 1 | false | 0 | 0 | This problem is solved in a following way:
All instances where commercial FFT library is called are replaced by calls to free FFT library (in this case FFTW3). Of course ' include "fftw3.f" ' is placed on top of the fortran subroutines where necessary.
Extension module is created using f2py. First line creates the si... | 1 | 0 | 0 | I have a fortran file with a lot of useful subroutines, and I want to make a Python interface to it using f2py.
The problem arises because some fortran subroutines call the FFT subroutine from the NAG library (named c06ebf). When imported into Python, it produces the 'undefined symbol: co6ebf' warning.
Is there other ... | Excluding a call to a subroutine from a commercial library | 0 | 0 | 0 | 198 |
14,815,856 | 2013-02-11T15:59:00.000 | 1 | 0 | 0 | 0 | python,html,compare,match | 14,815,973 | 2 | true | 1 | 0 | import urllib and use urllib.urlopen for getting the contents of an html. import re to search for the hash code using regex. You could also use find method on the string instead of regex.
If you encounter problems, then you can ask more specific questions. Your question is too general. | 1 | 0 | 0 | I am making a download manager. And I want to make the download manager check the md5 hash of an url after downloading the file. The hash is found on the page. It needs to compute the md5 of the file ( this is done), search for a match on the html page and then compare the WHOLE contents of the html page for a match.
m... | Matching contents of an html file with keyword python | 1.2 | 0 | 1 | 168 |
14,816,700 | 2013-02-11T16:44:00.000 | 1 | 0 | 1 | 0 | python,profiling,yappi | 20,193,234 | 1 | false | 0 | 0 | This issue is probably fixed in the latest repository head. Other than that, yappi does not accumulate time.sleep() or any other blocking calls timing output if operating in CPU clock mode. See the get_clock_type() api of yappi. | 1 | 2 | 0 | I am running yappi python profiler in a multi-threaded process an I get weird results when printing with yappi.print_stats(). Some methods repeat more than once, in each of the lines they show different ttot and ncalls. Some methods surprisingly show tsub equal to 0, where they certainly should not.
Could you explain ... | Yappi returns weird results | 0.197375 | 0 | 0 | 952 |
14,817,288 | 2013-02-11T17:17:00.000 | 3 | 0 | 1 | 1 | python,setuptools | 14,817,342 | 1 | false | 0 | 0 | Just package your app and put it on PyPI. Trying to automatically package the code running on the server seems over-engineered. Then you can let people use pip to install your app. In your app, provide a link to the PyPI page.
Then you can also add dependencies in the setup.py, and pip will install them for you. It... | 1 | 1 | 0 | I'm writing a small web app that I'd like to include the ability to download itself. The ideal solution would be for users to be able to "pip install" the full app but that users of the app would be able to download a version of it to use themselves (perhaps with reduced functionality or without some of the less essent... | Python web app that can download itself | 0.53705 | 0 | 0 | 142 |
14,817,290 | 2013-02-11T17:17:00.000 | 0 | 1 | 1 | 0 | python,cgi | 14,817,753 | 3 | false | 0 | 0 | The simple (and slow way) is to acquire a lock on the file (in C you'd use flock), write on it and close it. If you think this can be a bottleneck then use a database or something like that. | 2 | 0 | 0 | I have a simple cgi script in python collecting a value from form fields submitted through post. After collecting this, iam dumping these values to a single text file.
Now, when multiple users submit at the same time, how do we go about it?
In C\C++ we use semaphore\mutex\rwlocks etc? Do we have anything similar in p... | multiple users doing form submission with python CGI | 0 | 0 | 0 | 300 |
14,817,290 | 2013-02-11T17:17:00.000 | 0 | 1 | 1 | 0 | python,cgi | 14,817,362 | 3 | false | 0 | 0 | If you're concerned about multiple users, and considering complex solutions like mutexes or semaphores, you should ask yourself why you're planning on using an unsuitable solution like CGI and text files in the first place. Any complexity you're saving by doing this will be more than outweighed by whatever you put in p... | 2 | 0 | 0 | I have a simple cgi script in python collecting a value from form fields submitted through post. After collecting this, iam dumping these values to a single text file.
Now, when multiple users submit at the same time, how do we go about it?
In C\C++ we use semaphore\mutex\rwlocks etc? Do we have anything similar in p... | multiple users doing form submission with python CGI | 0 | 0 | 0 | 300 |
14,817,747 | 2013-02-11T17:43:00.000 | 0 | 0 | 1 | 0 | python,python-2.7 | 14,818,107 | 3 | false | 0 | 0 | I would think that FooTester would be part of the foo package and BarTester part of the bar package. (Or perhaps each in its own package/module.)
Given the requirement that teams that use the foo package don't install the bar package, it seems weird to put the testers for both in a tools package that both use. | 1 | 0 | 0 | I can’t imagine this is an original question, but I can’t seem to find an answer. I must be using the wrong search terms.
Our team is developing a Python utility package. We’ll call it “tools”. Various classes in “tools” require other packages and modules.
“tools” has several classes, with names like:
Parser
Logger
Fo... | managing a python package that depends on other packages | 0 | 0 | 0 | 215 |
14,820,071 | 2013-02-11T20:15:00.000 | 0 | 0 | 0 | 0 | python,apache | 14,820,176 | 1 | true | 1 | 0 | you need Choose a web framework. CherryPy. Pylons. Django. | 1 | 0 | 0 | I want to create a .py file and display simple html code, just like I simply open any php file. I've put file.py inside of the c:/xampp/cgi-bin directory, I've enagled .py extension in apache configs, but...am I doing this the right way? What next?
How to open this file? localhost/cgi-bin/file.py displays the internal ... | Python with xampp | 1.2 | 0 | 0 | 89 |
14,822,184 | 2013-02-11T22:33:00.000 | 72 | 0 | 1 | 0 | python,python-3.x | 14,822,215 | 8 | true | 0 | 0 | There is no operator which divides with ceil. You need to import math and use math.ceil | 3 | 183 | 0 | I found out about the // operator in Python which in Python 3 does division with floor.
Is there an operator which divides with ceil instead? (I know about the / operator which in Python 3 does floating point division.) | Is there a ceiling equivalent of // operator in Python? | 1.2 | 0 | 0 | 118,598 |
14,822,184 | 2013-02-11T22:33:00.000 | 31 | 0 | 1 | 0 | python,python-3.x | 14,822,457 | 8 | false | 0 | 0 | You could do (x + (d-1)) // d when dividing x by d, e.g. (x + 4) // 5. | 3 | 183 | 0 | I found out about the // operator in Python which in Python 3 does division with floor.
Is there an operator which divides with ceil instead? (I know about the / operator which in Python 3 does floating point division.) | Is there a ceiling equivalent of // operator in Python? | 1 | 0 | 0 | 118,598 |
14,822,184 | 2013-02-11T22:33:00.000 | -12 | 0 | 1 | 0 | python,python-3.x | 59,911,258 | 8 | false | 0 | 0 | Simple solution:
a // b + 1 | 3 | 183 | 0 | I found out about the // operator in Python which in Python 3 does division with floor.
Is there an operator which divides with ceil instead? (I know about the / operator which in Python 3 does floating point division.) | Is there a ceiling equivalent of // operator in Python? | -1 | 0 | 0 | 118,598 |
14,823,474 | 2013-02-12T00:24:00.000 | 0 | 0 | 0 | 0 | python,python-2.7,timestamp,quickfix,timestamping | 14,843,059 | 2 | true | 0 | 0 | I solved my problem by specifying the getField function to look at the header. So:
sendingTime= quickfix.SendingTime()
print sendingTime, "\n"
message.getHeader().getField(sendingTime)
print sendingTime, "\n"
The first printed line will be the sending time with milliseconds rounded off (I have no idea why), it lookes l... | 2 | 2 | 0 | I'm running QuickFix with the Python API and connecting to a TT FIX Adapter using FIX4.2
I'm successfully logging on and sending a market data request. The replies are fine. In my message logs (both screen logs and file logs) I am getting a SendingTime (field 52) that looks something like this:
52=20130207-02:38:32.21... | quickfix sendingtime (field 52) dropping milliseconds | 1.2 | 0 | 0 | 1,894 |
14,823,474 | 2013-02-12T00:24:00.000 | 1 | 0 | 0 | 0 | python,python-2.7,timestamp,quickfix,timestamping | 14,825,020 | 2 | false | 0 | 0 | Try extracting the field with FieldMap's const std::string & getField (int field) function. That will get your field as a string, without trying to convert it to a date type. I bet that will preserve the milliseconds, at least textually.
Sorry I can't help with why Python is losing the ms. I just don't know enough a... | 2 | 2 | 0 | I'm running QuickFix with the Python API and connecting to a TT FIX Adapter using FIX4.2
I'm successfully logging on and sending a market data request. The replies are fine. In my message logs (both screen logs and file logs) I am getting a SendingTime (field 52) that looks something like this:
52=20130207-02:38:32.21... | quickfix sendingtime (field 52) dropping milliseconds | 0.099668 | 0 | 0 | 1,894 |
14,824,538 | 2013-02-12T02:33:00.000 | 0 | 0 | 1 | 1 | python,bash,shell,replace | 14,824,582 | 3 | false | 0 | 0 | Yes, of course. You can simply make an executable Python script, call it /usr/bin/pysh, add this filename to /etc/shells and then set it as your user's default login shell with chsh. | 1 | 2 | 0 | I wonder if is possible to create a bash replacement but in python. I have done REPLs before, know about subprocess and that kind of stuff, but wonder how use my python-like-bash replacement in the OSX terminal as if were a native shell environment (with limitations).
Or simply run ipython as is...
P.D. The majority ... | Is possible to create a shell like bash in python, ie: Bash replacement? | 0 | 0 | 0 | 1,426 |
14,824,862 | 2013-02-12T03:22:00.000 | 2 | 1 | 0 | 1 | python,linux,perl,scripting | 14,824,929 | 3 | false | 0 | 0 | Every programmer will have a biased answer to this, but one thing to keep in mind is what your goal is. For instance, if you're only looking to be a successful sysadmin, then your goals might best be served by learning languages that are more conducive to sysadmin tasks (e.g. bash). However, if you're looking to do m... | 2 | 0 | 0 | I am very new to linux, and i want to learn scripting. It seems like there are quite a few options to learn about scripting from bash shell scripting, python, perl lisp, and probably more that i dont know about. I am just wonder what are the the advantage and disadvantage of all of them, and what would be a good place... | different types of scripting in linux | 0.132549 | 0 | 0 | 966 |
14,824,862 | 2013-02-12T03:22:00.000 | 1 | 1 | 0 | 1 | python,linux,perl,scripting | 14,825,010 | 3 | false | 0 | 0 | I think a lot of times, people new to programming see all the options out there and don't know where to start. You listed a bunch of different languages in your post. My advice would be to pick one of those languages and find a book or tutorial and work through it.
I became interested in "scripting" from just trying ... | 2 | 0 | 0 | I am very new to linux, and i want to learn scripting. It seems like there are quite a few options to learn about scripting from bash shell scripting, python, perl lisp, and probably more that i dont know about. I am just wonder what are the the advantage and disadvantage of all of them, and what would be a good place... | different types of scripting in linux | 0.066568 | 0 | 0 | 966 |
14,825,262 | 2013-02-12T04:15:00.000 | 0 | 1 | 0 | 1 | python-2.7,telnetlib | 15,581,083 | 1 | false | 0 | 0 | You should try to login to the machine using telnet, then you will notice you will login into BusyBox. That string you print not an error it is hte normal BusyBox prompt.
It might not be what you expected, I only know BusyBox from Linux boxes that were unable to properly boot. | 1 | 0 | 0 | I am trying to connect a remote machine in python. I used telnetlib module and could connect to machine after entering login id and password as
tn = Telnet("HOST IP")
tn.write("UID")
tn.write("PWD")
After entering password, the terminal connects to the remote machine which is a linux based software [having its own IP a... | How to write on terminal after login with telnet to remote machine using python | 0 | 0 | 0 | 602 |
14,825,614 | 2013-02-12T04:53:00.000 | 1 | 0 | 0 | 0 | python,xlrd | 15,585,668 | 2 | true | 0 | 0 | Well i think the problem is with file . I think you should check it with the file.
I have the same issue when the xls file with True and False data created using openofffice and libra office return 0 and 1.
I noticed while iterating the file with xlrd and when i create a file microsoft office .. The xlrd was sorking p... | 1 | 3 | 0 | When Cell contains True it returns 1 and if contain False it returns 0.
Also if 80% are getting rendered as .8
I am confused now do not know where to look up at. | XLRD rendering the wrong data while iterating the cellls having True/False and Percentage value | 1.2 | 0 | 0 | 641 |
14,826,245 | 2013-02-12T05:48:00.000 | 0 | 0 | 0 | 0 | python,data-structures | 14,827,656 | 4 | false | 0 | 0 | I'd give you a code sample if I better understood what your current data structures look like, but this sounds like a job for a pandas dataframe groupby (in case you don't feel like actually using a database as others have suggested). | 2 | 2 | 1 | I have a list of user:friends (50,000) and a list of event attendees (25,000 events and list of attendees for each event). I want to find top k friends with whom the user goes to the event. This needs to be done for each user.
I tried traversing lists but is computationally very expensive. I am also trying to do it by... | Search in Large data set | 0 | 0 | 1 | 177 |
14,826,245 | 2013-02-12T05:48:00.000 | 0 | 0 | 0 | 0 | python,data-structures | 14,826,472 | 4 | false | 0 | 0 | Can you do something like this.
Im assuming friends of a user is relatively less, and the events attended by a particular user is also much lesser than total number of events.
So have a boolean vector of attended events for each friend of the user.
Doing a dot product and those that have max will be the friend who most... | 2 | 2 | 1 | I have a list of user:friends (50,000) and a list of event attendees (25,000 events and list of attendees for each event). I want to find top k friends with whom the user goes to the event. This needs to be done for each user.
I tried traversing lists but is computationally very expensive. I am also trying to do it by... | Search in Large data set | 0 | 0 | 1 | 177 |
14,827,296 | 2013-02-12T07:10:00.000 | 1 | 1 | 0 | 0 | python,urllib2,python-2.6 | 14,847,414 | 1 | false | 0 | 0 | The environment variables that were used by crontab and from the command line were different.
I fixed this by adding */15 * * * * . $HOME/.profile; /path/to/command.
This made the crontab to pick up enivronment variables that were specified for the system. | 1 | 1 | 0 | url = "www.someurl.com"
request = urllib2.Request(url,header={"User-agent" : "Mozilla/5.0"})
contentString = urllib2.url(request).read()
contentFile = StringIO.StringIO(contentString)
for i in range(0,2):
html = contentFile.readline()
print html
The above code runs fine from commandline but if i add it to a c... | Urllib2 runs fine if i run the program independently but throws error when i add it to a cronjob | 0.197375 | 0 | 1 | 603 |
14,829,562 | 2013-02-12T09:44:00.000 | 1 | 0 | 0 | 0 | python,linux,amazon-web-services,boto,amazon-swf | 14,829,925 | 4 | false | 1 | 0 | You can use SNS,
When script A is completed it should trigger SNS, and that will trigger a notification to Server B | 2 | 9 | 0 | Use Amazon SWF to communicate messages between servers?
On server A I want to run a script A
When that is finished I want to send a message to server B to run a script B
If it completes successfully I want it to clear the job from the workflow queue
I’m having a really hard time working out how I can use Boto and S... | Using Amazon SWF To communicate between servers | 0.049958 | 0 | 1 | 3,687 |
14,829,562 | 2013-02-12T09:44:00.000 | 5 | 0 | 0 | 0 | python,linux,amazon-web-services,boto,amazon-swf | 14,881,688 | 4 | false | 1 | 0 | I don't have any example code to share, but you can definitely use SWF to coordinate the execution of scripts across two servers. The main idea with this is to create three pieces of code that talk to SWF:
A component that knows which script to execute first and what to do once that first script is done executing. T... | 2 | 9 | 0 | Use Amazon SWF to communicate messages between servers?
On server A I want to run a script A
When that is finished I want to send a message to server B to run a script B
If it completes successfully I want it to clear the job from the workflow queue
I’m having a really hard time working out how I can use Boto and S... | Using Amazon SWF To communicate between servers | 0.244919 | 0 | 1 | 3,687 |
14,830,722 | 2013-02-12T10:47:00.000 | 0 | 1 | 0 | 0 | python,ubuntu,import,paramiko | 14,832,457 | 1 | false | 0 | 0 | To use python libraries, you must have development version of python like python2.6-dev, which can be installed using sudo apt-get install python2.6-dev.
Then you may install any additional development libraries that you want in your code to run.
Whatever you install using sudo apt-get install python-paramkio or python... | 1 | 0 | 0 | I installed paramiko in my Ubuntu box "sudo apt-get install python-paramkio".
But when import the paramiko module i am getting error.
ImportError:No Module named paramiko
When i list the python modules using help('modules'). i couldn't find paramiko listed. | paramiko installation " Unable to import ImportError" | 0 | 0 | 1 | 4,876 |
14,835,315 | 2013-02-12T14:54:00.000 | 1 | 0 | 0 | 0 | python,amazon-web-services,boto | 14,849,632 | 1 | true | 0 | 0 | It should be a dictionary with the 4 keys in the dictionary (I'm going to push a change that updates the structure type with the dict type). So if you don't want notifications, you just specify empty values for the keys:
{'Progressing': '', 'Completed': '', 'Warning': '', 'Error': ''} | 1 | 1 | 0 | I am trying to create my own pipe line in Elastic Transcoder. I am using the boto standard function create_pipeline(name, input_bucket, output_bucket, role, notifications).
Can you please tell me the notifications (structure) how it should look?
So far I have something like this:
create_pipeline('test','test_start', '... | Understanding the boto documentation for Elastic Transcoder | 1.2 | 0 | 0 | 268 |
14,837,251 | 2013-02-12T16:33:00.000 | 0 | 1 | 1 | 0 | python,actionscript-3,base64,decode | 14,837,350 | 1 | true | 0 | 0 | It seems to me you are not feeding a valid string to the function - it tells you so. You can't expect a function to "guess" what you wanted, and base its response on that. You have to use a valid parameter, or the function doesn't work. | 1 | 1 | 0 | I have to decode a string. This one comes from Flash AS3 and I want to decode it in Python. I don't have any problems with PHP, but I cannot decode the following string with Python 2.6 'base64.b64decode'.
f3hvQgQaBFp9IC4NQhYZQiAhNhxBAkwIJC0pDR8fBl12ZjkWXwMEWn57bU0dGgBfcWdsTwAbGB4xLmVLAh0FXXd5a0gGHQRWdy5iQANNVAl/KmNLAh... | Base64 decode does not work every time in Python | 1.2 | 0 | 0 | 471 |
14,837,339 | 2013-02-12T16:38:00.000 | 1 | 0 | 1 | 0 | python,ip-address,urllib | 14,837,808 | 2 | false | 0 | 0 | Do an online search for a listing of "Proxy services" from the internet. You can then loop through them as proxies in Python. There are companies that maintain open proxy networks , and across multiple continents , to help people get past GEO-IP restrictions.
You can also configure different servers you control on ... | 1 | 0 | 0 | I know, using Python, a webpage can be visited. But is it also possible to visit a webpage with a new IP address each time? | Can I visit a webpage many times with a new IP address each time using Python? | 0.099668 | 0 | 1 | 9,857 |
14,838,158 | 2013-02-12T17:22:00.000 | 2 | 0 | 1 | 0 | python,oop,nameerror | 14,838,171 | 1 | false | 0 | 0 | Globals are per module, and functions look up globals in the module they are defined in.
So a class Foo defined in a module named bar, that needs access to a function named spam will look up that function in it's own namespace, so in module bar.
If functions were to look up globals in the module they were imported into... | 1 | 0 | 0 | Don't see much point in posting whole of an actual code here, so I'll try my best to generalize my problem.
Function(let it be named x) is defined at the start of the code.
Then the class(which has a method z, and z is eventually calling x) is imported from separate .py file. Object of that class is created. After z is... | Importing classes and NameError | 0.379949 | 0 | 0 | 121 |
14,842,592 | 2013-02-12T21:57:00.000 | 0 | 0 | 1 | 0 | python | 14,842,625 | 1 | false | 0 | 0 | Floor Divison. I.e. round down to nearest int. | 1 | 0 | 0 | What Does this // mean in PYTHON
I know it is some sort of division in python
like
6.0//5 is 1.0
6.0//4 is 1.0
6.0//2 is 3.0
6.8//5.3 is 1
from this I think it just returns integer solution for non integer division
and instead of rounding it just cut's end off is it true ? and if it is not
then what it does ? r... | What Does this // mean in PYTHON | 0 | 0 | 0 | 264 |
14,845,942 | 2013-02-13T03:30:00.000 | 0 | 0 | 0 | 0 | python,django,api,shopify | 56,934,353 | 3 | false | 1 | 0 | The documentation is again not promising but one thing to bear in mind is that there should in actual fact be an existing collection already created
Find it by using this code
collection_id = shopify.CustomCollection.find(handle=<your_handle>)[0].id
then consequently add the collection_id, product_id to a Collect objec... | 1 | 1 | 0 | I am using the Shopify Python API in an django app to interact with my Shopify Store.
I have a collection - called - best sellers.
I am looking to create a batch update to this collection - that is add/remove products to this collection. However, they python API docs does not seem to say much about how to do so. How d... | Shopify Python API: How do I add a product to a collection? | 0 | 0 | 0 | 4,023 |
14,846,333 | 2013-02-13T04:20:00.000 | 0 | 1 | 1 | 1 | python,windows-7 | 14,846,374 | 2 | false | 0 | 0 | Instead of
cd.. Python27
you need to type
cd \python27 | 2 | 0 | 0 | When I open my Command Prompt,
the default path is C:\Users\acer>
so I want to change the path to C:\Python27
the method is as follows
i enter cd.. 2 times..
then I enter cd.. Python27
as my Python27 folder located in C:\
however, I got this message "the system cannot find the path specified"
Can anyone help me? | The system cannot find the path specified in cmd | 0 | 0 | 0 | 7,184 |
14,846,333 | 2013-02-13T04:20:00.000 | 1 | 1 | 1 | 1 | python,windows-7 | 14,846,408 | 2 | false | 0 | 0 | No need for cd .. mumbo jumbo, just go cd C:/Python27. | 2 | 0 | 0 | When I open my Command Prompt,
the default path is C:\Users\acer>
so I want to change the path to C:\Python27
the method is as follows
i enter cd.. 2 times..
then I enter cd.. Python27
as my Python27 folder located in C:\
however, I got this message "the system cannot find the path specified"
Can anyone help me? | The system cannot find the path specified in cmd | 0.099668 | 0 | 0 | 7,184 |
14,850,696 | 2013-02-13T09:53:00.000 | 1 | 0 | 1 | 0 | python,regex | 14,850,806 | 4 | false | 0 | 0 | With regex try replacing [^a-zA-Z ] with an empty string. | 1 | 0 | 0 | I have [110308] Asia and India string and I want only Asia and India as my result by regular expression.
Can anyone please help me? | Split string by regular expression | 0.049958 | 0 | 0 | 101 |
14,850,853 | 2013-02-13T10:01:00.000 | 0 | 0 | 0 | 1 | python,google-app-engine | 14,850,874 | 6 | false | 1 | 0 | Just put Beautifulsoup in the root of your project and upload it all | 2 | 33 | 0 | How to add third party python libraries in Google App Engine, which are not provided by Google? I am trying to use BeautifulSoup in Google App Engine and unable to do so. But my question is for any library I want to use in Google App Engine. | How to include third party Python libraries in Google App Engine? | 0 | 0 | 0 | 23,439 |
14,850,853 | 2013-02-13T10:01:00.000 | 0 | 0 | 0 | 1 | python,google-app-engine | 35,193,844 | 6 | false | 1 | 0 | pip install -t lib package_name
lib: the location for third party libraries
Then you are good to use this package like a normal library you use from ipython or terminal. | 2 | 33 | 0 | How to add third party python libraries in Google App Engine, which are not provided by Google? I am trying to use BeautifulSoup in Google App Engine and unable to do so. But my question is for any library I want to use in Google App Engine. | How to include third party Python libraries in Google App Engine? | 0 | 0 | 0 | 23,439 |
14,852,823 | 2013-02-13T11:46:00.000 | 1 | 1 | 1 | 0 | c#,python | 14,852,879 | 1 | false | 0 | 0 | No, there isn't. Roll your own. | 1 | 0 | 0 | I'm generating Python script with c#. But I have to know if word is keyword. The question : is there any library for c# which i can get the python keywords ? | How can I get python keywords in c# | 0.197375 | 0 | 0 | 114 |
14,857,531 | 2013-02-13T15:55:00.000 | 0 | 0 | 1 | 0 | vpython | 17,823,578 | 1 | false | 0 | 0 | I think the easiest way might be to display it on your screen, then take a screenshot. On a mac, that's command + shift + 4, not sure about Windows. | 1 | 0 | 0 | I'm using VPython to create some static(non-animation) 3D geometry, like an array of
cylinders, or torus. I would like to save them as .jpeg form or .png form so that I
can put into my PPT for demonstration. Is it possible to do this? Or should I turn to
other tools like Mayavi? Thanks. | Export VPyhon's image as JPEG form | 0 | 0 | 0 | 365 |
14,859,956 | 2013-02-13T18:00:00.000 | 0 | 1 | 1 | 0 | python,perforce,maya | 14,867,059 | 1 | false | 0 | 0 | To ask if the contents of your file on your workstation matches the content of the current head revision of the file on the server, you can do something like 'p4 diff -f //depot/path/to/file#head'. | 1 | 0 | 0 | I'm trying to write a python script which will run when Maya loads. The script should check a number stored in the file somewhere, possibly just a names object, and compare it to the latest revision of the file in perforce.
if the number stored in maya is not the latest revision, it should show a warning. is this poss... | get the revision number of a specific file in perforce from a python script | 0 | 0 | 0 | 813 |
14,861,194 | 2013-02-13T19:13:00.000 | 0 | 0 | 1 | 0 | python,licensing,python-imaging-library | 14,862,709 | 2 | false | 0 | 0 | Adding to ssidorenko answer: If you really want to make sure to contain the copyright notice on your packaged executable, maybe add it as a "docstring" to the source code, and then it should be contained in the generated *.pyc as well. (I see py2exe can be configured at setup time to generate optimized *.pyo files - in... | 2 | 2 | 0 | Good morning, I have created a little software for photo retouch by PIL python. By py2exe i have created an exe version from my .py file. In my dist and build folder I can find PIL module pyc and every file that permit at my program to work on every computer without python.Now i would distribute this program freeware (... | PIL python,License and Distribution | 0 | 0 | 0 | 1,644 |
14,861,194 | 2013-02-13T19:13:00.000 | 1 | 0 | 1 | 0 | python,licensing,python-imaging-library | 14,861,642 | 2 | true | 0 | 0 | As long as you put the notice in the documentation of your program, you're free to distribute your program.
Regarding the advertisement in the license, it concerns only the advertising of your own program. It means you're not allowed to use the name of Secret Labs AB on the download page of your program, or on an ad if... | 2 | 2 | 0 | Good morning, I have created a little software for photo retouch by PIL python. By py2exe i have created an exe version from my .py file. In my dist and build folder I can find PIL module pyc and every file that permit at my program to work on every computer without python.Now i would distribute this program freeware (... | PIL python,License and Distribution | 1.2 | 0 | 0 | 1,644 |
14,861,765 | 2013-02-13T19:47:00.000 | 0 | 0 | 1 | 0 | python,windows,python-2.7,windows-7-x64 | 14,862,329 | 1 | false | 0 | 0 | You can use virtualenv to maintain environments that use distinct Python versions.
More directly to your question of keeping the same install-base, the answer is generally "no", you cannot keep the same installs. Some packages are obtained for a specific Python-version/OS/hardware combination (e.g. mypackagePy27Win64.e... | 1 | 1 | 0 | I have installed 64-bit Python on Windows 7 and used it for a while. Now I need to switch to 32-bit Python because some libraries require 32-bit one. Can I do this easily, while preserving all previously installed libraries and settings? | How to safely switch from 64bit to 32bit Python on Windows? | 0 | 0 | 0 | 2,207 |
14,862,706 | 2013-02-13T20:41:00.000 | 0 | 0 | 0 | 0 | python,windows,service,proxy,urllib | 14,879,550 | 1 | false | 0 | 0 | So the answer is that on windows proxy system settings are stored in the registry under
HKEY_CURRENT_USER
So as the service runs under a special user it can't find it in its HKEY_CURRENT_USER.
The solutions:
1. Run the service under another user.
2. Read the proper user registry | 1 | 1 | 0 | So for my application, I'm using
urllib.getproxies() to detect proxy settings.
The function runs well when I call it from a python shell.
But when my application runs as a service (and only when it runs as a service),
urllib.getproxies() returns me an empty dictionary.
I'm using windows 2008 R2 and python 2.7.
Do you ... | Python urllib.getproxies() on windows doesn't work when run as a service | 0 | 0 | 1 | 813 |
14,863,125 | 2013-02-13T21:06:00.000 | 22 | 0 | 0 | 0 | python,scikit-learn,classification | 14,864,547 | 2 | false | 0 | 0 | Have you tried to pass to your class_weight="auto" classifier? Not all classifiers in sklearn support this, but some do. Check the docstrings.
Also you can rebalance your dataset by randomly dropping negative examples and / or over-sampling positive examples (+ potentially adding some slight gaussian feature noise). | 1 | 22 | 1 | I'm solving a classification problem with sklearn's logistic regression in python.
My problem is a general/generic one. I have a dataset with two classes/result (positive/negative or 1/0), but the set is highly unbalanced. There are ~5% positives and ~95% negatives.
I know there are a number of ways to deal with an u... | sklearn logistic regression with unbalanced classes | 1 | 0 | 0 | 18,285 |
14,864,378 | 2013-02-13T22:23:00.000 | 0 | 1 | 0 | 1 | python,linux,process | 14,864,397 | 1 | false | 0 | 0 | ps aux | grep json ought to do it, or just pgrep -lf json. | 1 | 0 | 0 | I have a cron who execute 2 python scripts. How I can see with the "ps" command if the process are running ?
my scripts names are:
json1.py
json2.py | Unix process running python | 0 | 0 | 0 | 127 |
14,867,945 | 2013-02-14T04:44:00.000 | 2 | 0 | 0 | 1 | python,google-app-engine,urlfetch,app.yaml | 14,868,496 | 1 | false | 1 | 0 | The myScript.py was for the 2.5 runtime, the model for invoking apps with 2.7 runtime normally utilises the myScript.app method. Have a look at the age of the tutorials and also what Python runtime they have configured in their app.yaml. | 1 | 0 | 0 | I am writing an app engine application to fetch url content using urlfetch available in google app engine.
however in the app.yaml file, I have a doubt in script handle
I have found that some people use script name as myScript.py while some tutorials use myScript.app
what's the difference between the two uses ? | Python script handler for Google AppEngine | 0.379949 | 0 | 0 | 100 |
14,868,003 | 2013-02-14T04:49:00.000 | 1 | 0 | 0 | 0 | python,python-2.7,lazy-loading,beautifulsoup | 16,251,642 | 1 | true | 1 | 0 | It turns out that the problem itself wasn't BeautifulSoup, but the dynamics of the page itself. For this specific scenario that is.
The page returns part of the page, so headers need to be analysed and sent to the server accordingly. This isn't a BeautifulSoup problem itself.
Therefore, it is important to take a look... | 1 | 3 | 0 | I am toying around with BeautifulSoup and I like it so far.
The problem is the site I am trying to scrap has a lazyloader... And it only scraps one part of the site.
Can I have a hint as to how to proceed? Must I look at how the lazyloader is implemented and parametrize anything else? | Crawling a page using LazyLoader with Python BeautifulSoup | 1.2 | 0 | 1 | 1,587 |
14,869,145 | 2013-02-14T06:40:00.000 | 1 | 0 | 0 | 0 | python,matplotlib | 14,877,368 | 1 | true | 0 | 0 | I suspect that exactly what you will have to do will depend on you gui toolkit. The code that you want to look at is in matplotlib/lib/matplotlib/backends and you want to find the class that sub-classes NavigationToolbar2 in which ever backend you are using. | 1 | 1 | 1 | i want to change the default icon images of a matplotplib.
even when i replaced the image with the same name and size from the image location
i.e. C:\Python27\Lib\site-packages\matplotlib\mpl-data\images\home.png
its still plotting the the graphs with the same default images.
If I need to change the code of the image... | customize the default toolbar icon images of a matplotlib graph | 1.2 | 0 | 0 | 888 |
14,869,718 | 2013-02-14T07:23:00.000 | 1 | 0 | 0 | 0 | python,django,postgresql | 14,880,796 | 2 | false | 1 | 0 | Most likely somewhere along the line, you created your objects in the template1 database (or in older versions the postgres database) and every time you create a new db i thas all those objects in it. You can either drop the template1 / postgres database and recreate it or connect to it and drop all those objects by h... | 2 | 0 | 0 | I dropped my database that I had previously created for django using :
dropdb <database>
but when I go to the psql prompt and say \d, I still see the relations there :
How do I remove everything from postgres so that I can do everything from scratch ? | postgres : relation there even after dropping the database | 0.099668 | 1 | 0 | 88 |
14,869,718 | 2013-02-14T07:23:00.000 | 0 | 0 | 0 | 0 | python,django,postgresql | 14,870,374 | 2 | false | 1 | 0 | Chances are that you never created the tables in the correct schema in the first place. Either that or your dropdb failed to complete.
Try to drop the database again and see what it says. If that appears to work then go in to postgres and type \l, putting the output here. | 2 | 0 | 0 | I dropped my database that I had previously created for django using :
dropdb <database>
but when I go to the psql prompt and say \d, I still see the relations there :
How do I remove everything from postgres so that I can do everything from scratch ? | postgres : relation there even after dropping the database | 0 | 1 | 0 | 88 |
14,869,861 | 2013-02-14T07:33:00.000 | 3 | 0 | 1 | 1 | python,linux | 14,869,972 | 1 | true | 0 | 0 | Do not try to uninstall the pre-installed Python.
Install other Python interpreters side by side (in different directories).
You may come across an option to choose the default Python interpreter for your system. Don't change that from the pre-installed one, as that may break some important scripts used by the system. ... | 1 | 0 | 0 | I have a Fedora virtual machine. It comes with Python pre-installed. I've read that it's not a good idea to uninstall it. I want to install a different version of Python, Enthought Python. Should I try to uninstall the existing Python installation and how would I do that? Should I instead install Enthought Python ... | Installing a new distribution of Python on Fedora | 1.2 | 0 | 0 | 91 |
14,871,454 | 2013-02-14T09:22:00.000 | 2 | 0 | 1 | 0 | django,python-imaging-library | 24,042,390 | 3 | false | 1 | 0 | I was able to solve this cleanly on Windows with pip install --use-wheel Pillow. I'm not sure what changed because the PILLOW installs used to work on my windows setup. I must have some mixed versions or the default behaviors have changed. | 1 | 4 | 0 | I installed django-photologue. But then when I try to save a photo in django admin it throws this error:
'decoder zip not available'
I have already un-installed and re-installed PIL. I hope someone can help me with the complete steps on how to overcome this error. | decoder zip not available (Windows 7) | 0.132549 | 0 | 0 | 1,765 |
14,875,450 | 2013-02-14T13:01:00.000 | 4 | 0 | 0 | 0 | python,language-agnostic,machine-learning,object-recognition,pybrain | 14,877,671 | 2 | false | 0 | 0 | First, a note regarding the classification method to use.
If you intend to use the image pixels themselves as features, neural network might be a fitting classification method. In that case, I think it might be a better idea to train the same network to distinguish between the various objects, rather than using a sepa... | 1 | 0 | 1 | I was thinking of doing a little project that involves recognizing simple two-dimensional objects using some kind of machine learning. I think it's better that I have each network devoted to recognizing only one type of object. So here are my two questions:
What kind of network should I use? The two I can think of tha... | How to Train Single-Object Recognition? | 0.379949 | 0 | 0 | 2,529 |
14,878,215 | 2013-02-14T15:26:00.000 | 0 | 0 | 0 | 1 | python,shell,command-line-interface,tab-completion | 14,886,568 | 4 | false | 0 | 0 | Take a look at the source of the 'cmd' module in the Python library. It supports command completion. | 1 | 9 | 0 | I've noticed that some programs (e.g. hg) allow the user to tab-complete specific parts of the command. For example, if, in an hg repository working directory, I type:
hg qpush --move b8<TAB>
It will try to complete the command with any mercurial patches in my patch queue that start with "b8".
What I'd like to do is i... | How can I make my program utilize tab completion? | 0 | 0 | 0 | 3,643 |
14,881,732 | 2013-02-14T18:36:00.000 | 0 | 0 | 0 | 0 | python,gtk,pygtk,gdk | 14,906,082 | 1 | false | 0 | 1 | It turned out to be an issue of mixing GTK2 and GTK3. gi.repository.Gtk has the Color constructor. | 1 | 0 | 0 | I'm creating a simple application through glade, and I want to be able to set the color displayed in the color selection dialog. I found the set_current_color function, however, it requires a gdk.Color object.
Trying to import gtk.gdk.Color fails (actually, just importing gtk fails). Is there another method I can use t... | pygtk issue - unable to create gdk.Color object | 0 | 0 | 0 | 125 |
14,883,346 | 2013-02-14T20:20:00.000 | 4 | 0 | 0 | 0 | python,mysql | 14,883,719 | 2 | false | 1 | 0 | MySQL connections are relatively fast, so this might not be a problem (i.e. you should measure). Most other databases take much more resources to create a connection.
Creating a new connection when you need one is always the safest, and is a good first choice. Some db libraries, e.g. SqlAlchemy, have connection pools ... | 2 | 17 | 0 | We have a Python application with over twenty modules, most of which are shared by several web and console applications.
I've never had a clear understanding of the best practice for establishing and managing database connection in multi module Python apps. Consider this example:
I have a module defining an object cla... | How should I establish and manage database connections in a multi-module Python app? | 0.379949 | 1 | 0 | 6,022 |
14,883,346 | 2013-02-14T20:20:00.000 | 16 | 0 | 0 | 0 | python,mysql | 14,883,590 | 2 | true | 1 | 0 | The best method is to open a connection when you need to do some operations (like getting and/or updating data); manipulate the data; write it back to the database in one query (very important for performance), and then close the connection. Opening a connection is a fairly light process.
Some pitfalls for performan... | 2 | 17 | 0 | We have a Python application with over twenty modules, most of which are shared by several web and console applications.
I've never had a clear understanding of the best practice for establishing and managing database connection in multi module Python apps. Consider this example:
I have a module defining an object cla... | How should I establish and manage database connections in a multi-module Python app? | 1.2 | 1 | 0 | 6,022 |
14,883,568 | 2013-02-14T20:37:00.000 | 0 | 0 | 0 | 1 | python,ios,objective-c | 14,883,949 | 2 | true | 0 | 0 | One solution I am currently considering:
Add NewAppDelegate.m/h file that subclasses AppDelegate.
This subclass, does what I want, and then calls the super methods.
Find/replace AppDelegate with NewAppDelegate.m.h in main.m
This seems pretty simple and robust. Thoughts on this? Will this work for all/most projects? | 1 | 1 | 0 | I am working on a framework installer script. The script needs to modify the users AppDelegate file and inject a few lines of code at the beginning or end of the applicationDidFinishLaunching and applicationWillTerminatate methods.
Some options I've thought about:
Parse the source code, and insert lines at correct pos... | Programmatically modifying someones AppDelegate - categories, subclass? | 1.2 | 0 | 0 | 530 |
14,884,214 | 2013-02-14T21:18:00.000 | 1 | 0 | 0 | 0 | python,numpy | 14,884,277 | 1 | true | 0 | 0 | Just use loadtxt and reshape (or ravel) the resulting array. | 1 | 0 | 1 | I have a text file with a bunch of number that contains newlines every 32 entries. I want to read this file a a column vector using Numpy. How can I use numpy.loadtxt and ignore the newlines such that the generated array is of size 1024x1 and not 32x32? | Read Vector from Text File | 1.2 | 0 | 0 | 174 |
14,886,053 | 2013-02-14T23:39:00.000 | 0 | 0 | 1 | 0 | python,algorithm,filter | 14,886,178 | 1 | false | 0 | 0 | You could try keeping a count of hits against filters and for each file evaluated, mark it against the filter with the lowest hit count. This strategy would tend to spread the hits around the filters.
You could also do multiple passes, so that in the first pass, you figure out how many filters each file matches, then s... | 1 | 0 | 0 | We are working on a small automatic categorization system in our office.
We have many filters. They are written as python functions, and they either match a file - or not.
For each file, We run all the filters. It scans the file from top to bottom, and if it matches a filter - the file will be categorized and the logfi... | Choosing which text filters to activate | 0 | 0 | 0 | 48 |
14,886,400 | 2013-02-15T00:13:00.000 | 2 | 0 | 0 | 0 | python,flask | 14,915,333 | 1 | true | 1 | 0 | Basically you can't tell that the user has left your site on the server-side. The common way to do what you want to achieve is to use a time limit after the last known request as a cutoff between the online/offline states.
To make this more accurate you can have a script on the client-side that does regular AJAX polli... | 1 | 1 | 0 | I am trying to check if a user disconnects from my site, how would I go about doing this?
I am doing this in order to check if a user is "online" or not. | Checking if a user disconnects using Flask | 1.2 | 0 | 1 | 1,304 |
14,886,640 | 2013-02-15T00:39:00.000 | 2 | 0 | 0 | 0 | python,python-2.7,ubuntu-12.04 | 14,886,804 | 3 | false | 0 | 0 | As you apparently have passed '.cache' to the httplib.Http constructor, you should change this to something more appropriate or disable the cache. | 1 | 2 | 0 | Working on a python scraper/spider and encountered a URL that exceeds the char limit with the titled IOError. Using httplib2 and when I attempt to retrieve the URL I receive a file name too long error. I prefer to have all of my projects within the home directory since I am using Dropbox. Anyway around this issue or sh... | Ubuntu encrypted home directory | Errno 36 File Name too long | 0.132549 | 0 | 1 | 5,706 |
14,887,374 | 2013-02-15T02:09:00.000 | 0 | 0 | 0 | 0 | python,c,swig,ctypes | 14,943,730 | 1 | false | 0 | 1 | I ended up using Swig with dynamic linking to the so library generated by the C code. In this way, I only have to include the header files in the swig interface file to tell swig what functions/datatypes to expose. Another advantage of this approach is that I can write testing helper functions in C and easily expose th... | 1 | 0 | 0 | I am trying to find a way to test my C code using python scripts. So far my findings are
1) with Ctypes, I can easily load the so and call the function directly from python. Plus, everything happens at run-time, so no extra compiling/wrapping stuff.
2) However, re-writing every types in python is tedious and error pron... | Python & C: Is it possible to mix Ctypes and Swig together? | 0 | 0 | 0 | 321 |
14,888,428 | 2013-02-15T04:49:00.000 | 0 | 0 | 0 | 0 | django,python-2.7,socket.io,gevent,gevent-socketio | 14,888,521 | 2 | false | 1 | 0 | I think what you want is from socketio.server import SocketIOServer | 2 | 0 | 0 | Kindly help me in configuring the socketio in my django module. Am using windows7 OS
File wsgi.py
Sample Code - from socketio import SocketIOServer
Error - Unresolved import:SocketIOServer
Am new to python and Django Frameworks.! | socketio in python | 0 | 0 | 1 | 475 |
14,888,428 | 2013-02-15T04:49:00.000 | 1 | 0 | 0 | 0 | django,python-2.7,socket.io,gevent,gevent-socketio | 53,155,835 | 2 | false | 1 | 0 | Try this:
pip install socketIO-server | 2 | 0 | 0 | Kindly help me in configuring the socketio in my django module. Am using windows7 OS
File wsgi.py
Sample Code - from socketio import SocketIOServer
Error - Unresolved import:SocketIOServer
Am new to python and Django Frameworks.! | socketio in python | 0.099668 | 0 | 1 | 475 |
14,888,843 | 2013-02-15T05:33:00.000 | 0 | 0 | 0 | 0 | python,linux,django,django-class-based-views | 14,888,883 | 2 | false | 1 | 0 | Create a new view in Django
in the controller, import os
use lastLines = os.popen("tail /path/to/logFile").read()
show these listLines in the view | 1 | 2 | 0 | I have my two log files in my django root dir called apache.error.log and django.log. In my app/static folder I have the HTML file mylog.html. Now I want to view those log files inside that HTML page.
Is this possible? I want to view the last 20 lines of both files. basically something like tail -f, but inside the brow... | How can I open two log files in one HTML page in Django? | 0 | 0 | 0 | 282 |
14,889,206 | 2013-02-15T06:10:00.000 | 3 | 0 | 0 | 0 | python,mysql,search,search-engine | 14,889,522 | 2 | false | 1 | 0 | The best bet for you to do "Search Engine" for the 10,000 Articles is to read "Programming Collective Intelligence" by Toby Segaran. Wonderful read and to save your time go to Chapter 4 of August 2007 issue. | 1 | 0 | 0 | I have a MySQL database with around 10,000 articles in it, but that number will probably go up with time. I want to be able to search through these articles and pull out the most relevent results based on some keywords. I know there are a number of projects that I can plug into that can essentially do this for me. Howe... | Search engine from scratch | 0.291313 | 1 | 0 | 643 |
14,890,211 | 2013-02-15T07:45:00.000 | 1 | 0 | 0 | 0 | python,file,postgresql,csv | 14,890,240 | 1 | true | 0 | 0 | Reduce the size of your transactions? | 1 | 0 | 0 | I have a situation where my script parse approx 20000 entries and save them to db. I have used transaction which takes around 35 seconds to save and also consume high memory since until committed queries are saved in memory.
I have Found another way to write CSV then load into postgres using "copy_from" which is very f... | File writing in python | 1.2 | 1 | 0 | 90 |
14,891,492 | 2013-02-15T09:22:00.000 | 3 | 1 | 0 | 0 | php,python,aes,pycrypto,phpseclib | 14,892,493 | 1 | true | 0 | 0 | I strongly recommend you adjust your PHP code to use (at least) a sixteen byte key, otherwise your crypto system is considerably weaker than it might otherwise be.
I would also recommend you switch to CBC-mode, as ECB-mode may reveal patterns in your input data. Ensure you use a random IV each time you encrypt and stor... | 1 | 1 | 0 | I am working on a data intensive project where I have been using PHP for fetching data and encrypting it using phpseclib. A chunk of the data has been encrypted in AES with the ECB mode -- however the key length is only 10. I am able to decrypt the data successfully.
However, I need to use Python in the later stages of... | Key length issue: AES encryption on phpseclib and decryption on PyCrypto | 1.2 | 0 | 0 | 975 |
14,895,234 | 2013-02-15T12:57:00.000 | 2 | 1 | 0 | 0 | python | 14,895,361 | 1 | true | 0 | 0 | Several reasons:
Not all packages are pure-python packages. It's easy to include C-extensions in your package and have setup.py automate the compilation process.
Automated dependency management; dependencies are declared and installed for you by the installer tools (pip, easy_install, zc.buildout). Dependencies can be... | 1 | 3 | 0 | I am writing a CLI python application that has dependencies on a few libraries (Paramiko etc.).
If I download their source and just place them under my main application source, I can import them and everything works just fine.
Why would I ever need to run their setup.py installers or deal with python package managers?... | why run setup.py, can I just embed the code? | 1.2 | 0 | 0 | 251 |
14,896,418 | 2013-02-15T14:03:00.000 | 0 | 0 | 0 | 1 | python,python-imaging-library,celery | 14,896,601 | 1 | false | 0 | 0 | ok, ive realised this only happens if im running celery in Debug mode. outside of this it works fine | 1 | 0 | 0 | Im trying to write a celery task for processing large tif files. From past experience Ive found vipscc uses less memory than pil to process/resize tif's so id like to use that module. The problem is that when i try to import vipscc inside a celery task excuted by a worker i get this message:
fatal Python error: can't ... | python vipscc in celery Missing argument | 0 | 0 | 0 | 77 |
14,897,285 | 2013-02-15T14:53:00.000 | 2 | 0 | 1 | 0 | python,performance,optimization,memory-management | 14,897,321 | 3 | false | 0 | 0 | With regards to reclaiming the memory, there will be no difference; assuming the refcount of the object in both situations drops to 0, the memory will be reclaimed in exactly the same manner. | 2 | 0 | 0 | I wish to delete a large item in Python inside a function. Some forum suggest to use del LargeObject and other LargeObject= None. In term of performance (speed and reclaiming memory after deleting item) which is the best solution? | Python eliminate a Large item with "del LargeItem" or "LargeItem= None" inside a function | 0.132549 | 0 | 0 | 70 |
14,897,285 | 2013-02-15T14:53:00.000 | 1 | 0 | 1 | 0 | python,performance,optimization,memory-management | 14,897,322 | 3 | false | 0 | 0 | The difference between the two statements is that del will remove LargeObject from the local namespace (resulting in a NameError if you try to use it). The other will keep a LargeObject in the current namespace, but it's value will be None -- Most likely resulting in a ValueError or TypeError if you try to use it. Ot... | 2 | 0 | 0 | I wish to delete a large item in Python inside a function. Some forum suggest to use del LargeObject and other LargeObject= None. In term of performance (speed and reclaiming memory after deleting item) which is the best solution? | Python eliminate a Large item with "del LargeItem" or "LargeItem= None" inside a function | 0.066568 | 0 | 0 | 70 |
14,898,843 | 2013-02-15T16:19:00.000 | 4 | 0 | 1 | 0 | python,static-methods | 14,898,860 | 3 | false | 0 | 0 | If none of the methods share any state, there's not much of a reason to have a class at all. a module with functions is probably a better idea ... | 1 | 1 | 0 | Is there any way to apply staticmethod to all methods of a given class.
I was thinking we can access methods in its metaclass (in new of metaclass) and apply staticmethod, but i am not aware of syntax. Can any one please shed light on this? | Any way to apply staticmethod to all class methods? | 0.26052 | 0 | 0 | 150 |
14,899,139 | 2013-02-15T16:35:00.000 | 2 | 0 | 1 | 0 | python,matrix,numpy,integration,exponential | 14,900,251 | 1 | false | 0 | 0 | Provided A has the right properties, you could transform it to the diagonal form A0 by calculating its eigenvectors and eigenvalues. In the diagonal form, the solution is sol = [exp(A0*b) - exp(A0*a)] * inv(A0), where A0 is the diagonal matrix with the eigenvalues and inv(A0) just contains the inverse of the eigenvalue... | 1 | 1 | 1 | I have a matrix of the form, say e^(Ax) where A is a square matrix. How can I integrate it from a given value a to another value bso that the output is a corresponding array? | how to find the integral of a matrix exponential in python | 0.379949 | 0 | 0 | 1,283 |
14,900,510 | 2013-02-15T17:53:00.000 | 0 | 0 | 0 | 0 | python,tkinter | 42,867,640 | 7 | false | 0 | 1 | Create an single file exe using PyInstaller and use Inno Setup to build the windows installer package. Inno Setup will do the icon stuff for you. | 2 | 15 | 0 | I've been working on a very simple python/tkinter script (a .pyw file) and I'd like to change it's application icon (the 'file' icon shown at the explorer window and the start/all programs window, for example - not the 'file type' icon nor the main window of the app icon) and the taskbar icon (the icon shown at the tas... | Changing the application and taskbar icon - Python/Tkinter | 0 | 0 | 0 | 35,930 |
14,900,510 | 2013-02-15T17:53:00.000 | 0 | 0 | 0 | 0 | python,tkinter | 72,111,647 | 7 | false | 0 | 1 | add
--icon=iconname.ico
to the pyinstaller command in the prompt
eg>> pyinstaller --windowed --add-data "pics/myicon.ico;pics" --add-data "pics/*.png;pics" --icon=pics/myicon.ico -d bootloader myscript.py
this will show your icon on the windows taskbar instead of the default python pkg icon | 2 | 15 | 0 | I've been working on a very simple python/tkinter script (a .pyw file) and I'd like to change it's application icon (the 'file' icon shown at the explorer window and the start/all programs window, for example - not the 'file type' icon nor the main window of the app icon) and the taskbar icon (the icon shown at the tas... | Changing the application and taskbar icon - Python/Tkinter | 0 | 0 | 0 | 35,930 |
14,902,023 | 2013-02-15T19:34:00.000 | 1 | 0 | 0 | 0 | python,django | 14,902,498 | 2 | false | 1 | 0 | I believe this is not supported out of the box. Off the top of my head, one way to do it would be with a special 404 handler that, having failed to match against any of the defined URLs, treats the request as a request for a static resource. This would be reasonably easy to do in the development environment but signifi... | 1 | 2 | 0 | Yep, I want it to work like in Flask framework - there I could set parameters like this:
static_folder=os.getcwd()+"/static/", static_url_path=""
and all the files that lies in ./static/files/blabla.bla would be accessible by mysite.com/files/blabla.bla address. I really don't want to add static after mysite.com.
But i... | Django: how to make STATIC_URL empty? | 0.099668 | 0 | 0 | 294 |
14,902,181 | 2013-02-15T19:44:00.000 | 16 | 0 | 1 | 0 | python,python-2.7,compiler-errors,pycharm | 18,464,696 | 3 | false | 0 | 0 | In Pycharm 2.6.3:
Code -> Inspect Code | 2 | 101 | 0 | I use python 2.7 in a virtual environment and PyCharm 2.7 (new build as of feb 07 2013).
Whenever I open a python file in it that has unambiguous errors (equivalent to compile errors in other languages, e.g. using undeclared variables, calling non-existing functions), it shows red stripes in the gutter of the file.
So,... | Can PyCharm list all of Python errors in a project? | 1 | 0 | 0 | 25,204 |
14,902,181 | 2013-02-15T19:44:00.000 | 15 | 0 | 1 | 0 | python,python-2.7,compiler-errors,pycharm | 14,902,247 | 3 | false | 0 | 0 | Yes, run Analyze|Inspect Code and specify Whole project as the scope of analysis. | 2 | 101 | 0 | I use python 2.7 in a virtual environment and PyCharm 2.7 (new build as of feb 07 2013).
Whenever I open a python file in it that has unambiguous errors (equivalent to compile errors in other languages, e.g. using undeclared variables, calling non-existing functions), it shows red stripes in the gutter of the file.
So,... | Can PyCharm list all of Python errors in a project? | 1 | 0 | 0 | 25,204 |
14,907,457 | 2013-02-16T05:56:00.000 | 2 | 0 | 0 | 0 | python,django,caching,memcached | 14,907,596 | 2 | false | 1 | 0 | Memcached is more or less only limited by available (free) memory in the number of servers you run it on. The more memory, the more data fits, and since it uses fairly efficient in-memory indexes, you won't really see performance degrade in any significant way with more objects.
Remember though, it's a cache and there ... | 1 | 1 | 0 | How large values can I store and retrieve from memcached without degrading its performance?
I am using memcached with python-memcached in a django based web application. | How large data can memcached handle efficiently? | 0.197375 | 0 | 0 | 2,162 |
14,910,250 | 2013-02-16T12:23:00.000 | 1 | 0 | 0 | 1 | lxml,importerror,python-3.3 | 14,927,230 | 1 | false | 0 | 0 | You should probably mention the specific operating system you're trying to install on, but I'll assume it's some form of Linux, perhaps Ubuntu or Debian since you mention apt-get.
The error message you mention is typical on lxml when the libxml2 and/or libxslt libraries are not installed for it to link with. For whatev... | 1 | 1 | 0 | I am having a hard time installing lxml(3.1.0) on python-3.3.0. It installs without errors and I can see the lxml-3.1.0-py3.3-linux-i686.egg in the correct folder (/usr/local/lib/python3.3/site-packages/), but when I try to import etree, I get this:
from lxml import etree
Traceback (most recent call last):
... | lxml on python-3.3.0 ImportError: undefined symbol: xmlBufContent | 0.197375 | 0 | 1 | 2,277 |
14,910,858 | 2013-02-16T13:30:00.000 | 2 | 0 | 0 | 0 | python,python-2.7,tkinter | 55,293,163 | 6 | false | 0 | 1 | root.geometry('520x400+350+200')
Explanation: ('width x height + X coordinate + Y coordinate') | 1 | 67 | 0 | How can I tell a Tkinter window where to open, based on screen dimensions? I would like it to open in the middle. | How to specify where a Tkinter window opens? | 0.066568 | 0 | 0 | 110,461 |
14,910,977 | 2013-02-16T13:46:00.000 | 3 | 0 | 1 | 0 | python | 45,383,110 | 2 | false | 0 | 0 | I just ran into a similar problem. Everything was working fine for a week, but today suddenly an import failed.
I found that in the directory of the module I was trying to import, there was a corrupt .pyc file. I deleted that file, then everything worked again. | 1 | 2 | 0 | I had everything installed good on my laptop. Everything was working. Today when i wanted to work with my projects again just everything suddenly gives an error on imports. It's not just one package, but multiple. The only thing I could think of is Windows Update, but actually I doubt this would be the cause of the pro... | python imports suddenly not working | 0.291313 | 0 | 0 | 3,681 |
14,912,150 | 2013-02-16T15:54:00.000 | 0 | 0 | 0 | 1 | python,python-2.7,windows-server-2008,ubuntu-12.04,nfs | 15,278,451 | 2 | false | 0 | 0 | pynfs is a test suite and not ment to run as nfs server in production | 2 | 0 | 0 | I need to connect from a windows server 2008 in a secure network to an ubuntu box and write and read files easily from python code. I want to avoid samba or ftp, so I am considering NFS and my question is, if pynfs works stable on windows (if at all, or does it work on linux only?)
I found the source and some forks on ... | Is pynfs stable to run on windows server 2008? | 0 | 0 | 0 | 173 |
14,912,150 | 2013-02-16T15:54:00.000 | 0 | 0 | 0 | 1 | python,python-2.7,windows-server-2008,ubuntu-12.04,nfs | 15,273,016 | 2 | true | 0 | 0 | I would prefer pynfs had some modern infrastructure around it.
I went with samba this time. | 2 | 0 | 0 | I need to connect from a windows server 2008 in a secure network to an ubuntu box and write and read files easily from python code. I want to avoid samba or ftp, so I am considering NFS and my question is, if pynfs works stable on windows (if at all, or does it work on linux only?)
I found the source and some forks on ... | Is pynfs stable to run on windows server 2008? | 1.2 | 0 | 0 | 173 |
14,915,048 | 2013-02-16T21:00:00.000 | 0 | 0 | 0 | 1 | python,process,terminate | 14,915,445 | 2 | false | 0 | 0 | Create a thread when your process starts.
Make that thread sleep for the required duration.
When that sleep is over, kill the process. | 1 | 0 | 0 | How is it possible to get a compiled .exe program written in Python to kill itself after a period of time after it is launched?
If I have some code and I compile it into an .exe, then launch it and it stays in a 'running' or 'waiting' state, how can I get it to terminate after a few mins regardless of what the program ... | Python built exe process to kill itself after a period of time | 0 | 0 | 0 | 1,455 |
14,915,097 | 2013-02-16T21:05:00.000 | 0 | 0 | 1 | 0 | python,windows-7,sleep | 50,913,327 | 3 | false | 0 | 0 | You could try to make a Visual Basic Script (.vbs) or Batch (.bat) program and run it from python. The program should have code to run the sleep/wake up function.
Then again, since you are using windows, just use task scheduler. | 2 | 2 | 0 | I have a Python script doing some job which takes up to 5 minutes, then it sleeps for an hour and starts again. Now I want my laptop to sleep instead of being always on while waiting, and to wake up roughly every hour just to run the job. Is it possible to sleep and wake up with Python?
I am using Windows 7. | Sleep and wake with python | 0 | 0 | 0 | 8,990 |
14,915,097 | 2013-02-16T21:05:00.000 | 1 | 0 | 1 | 0 | python,windows-7,sleep | 14,915,196 | 3 | false | 0 | 0 | You should better create a Task Scheduler task in Windows instead, that runs your python script on schedule and wakes up the PC if needed (the task's setting). To put it to sleep just set up energy settings to sleep after several minutes of inactivity. | 2 | 2 | 0 | I have a Python script doing some job which takes up to 5 minutes, then it sleeps for an hour and starts again. Now I want my laptop to sleep instead of being always on while waiting, and to wake up roughly every hour just to run the job. Is it possible to sleep and wake up with Python?
I am using Windows 7. | Sleep and wake with python | 0.066568 | 0 | 0 | 8,990 |
14,923,583 | 2013-02-17T16:59:00.000 | 0 | 0 | 0 | 1 | python,celery | 71,510,516 | 2 | false | 0 | 0 | I think you can, at least in chord. When you bind=True your task, you can access self.request. In self.request.chord You can find a detailed dict. In its kwargs or options['chord'] you will find what you're looking for, but it's not an elegant solution. Also, if the parent has been replaced, you will only be able to se... | 1 | 2 | 0 | Is it possible to access the arguments with which a parent task A was called, from its child task Z? Put differently, when Task Z gets called in a chain, can it somehow access an argument V that was invoked when Task A was fired, but that was not passed through any intermediary nodes between tasks A and Z? And if so, h... | Access Arguments to Parent Task from Subtask in Celery | 0 | 0 | 0 | 960 |
14,923,821 | 2013-02-17T17:23:00.000 | 1 | 1 | 0 | 0 | debugging,python-3.x,aptana,pydev | 19,110,870 | 1 | true | 0 | 0 | You need to make sure that the run/debug configuration uses the correct main module otherwise it will take the current windows source file to be the main module. If there is no executable code in that file, i.e. there is nothing in global scope, the file will simply run to completion. | 1 | 2 | 0 | I am using Apatana Studio 3.3.1 with PyDev 2.7 and writing code in Python 3.3.
I was debugging my code by setting up break point in my code and click on Run>Debug, but the code has not been stopped at the breakpoint and has run through till the end.
In the Interpreter - Python setting, I have included the following in ... | Does Aptana Studio 3.3.1 support debugging of Python 3.3? | 1.2 | 0 | 0 | 260 |
14,924,586 | 2013-02-17T18:35:00.000 | 1 | 0 | 0 | 1 | python,memcached,amazon-elasticache | 14,924,764 | 3 | true | 1 | 0 | As far as I know, ElastiCache cluster is just a bunch of memcached servers, so you need to give your memcached client the list of all of your servers and have the client do the relevant load balancing.
For Python, you have a couple of options:
pylibmc - which is a wrapper around libmemcached - one of the best and fast... | 1 | 2 | 0 | Recently, AWS announced ElastiCache's auto-discovery feature, although they only officially released a client for Java. Does anyone know of a Python Memcached library with support for this feature? | Is there a Python Memcached library with support for AWS ElastiCache's auto-discovery feature? | 1.2 | 0 | 0 | 2,949 |
14,928,820 | 2013-02-18T02:56:00.000 | 15 | 0 | 1 | 0 | python,regex | 14,928,828 | 2 | true | 0 | 0 | You use brace notation. For instance, the regex a{10,} would match 10 or more a characters. a{10,20} would match at least 10 and no more than 20 as. | 1 | 3 | 0 | How do you indicate a regex that you want to require more than 10 characters? I know that '*' is more than 0, and that '+' is more than 1 but what is syntax for requiring more than 10? Thanks all!!!! | regex - more than 10 characters | 1.2 | 0 | 0 | 7,545 |
14,931,793 | 2013-02-18T08:04:00.000 | 0 | 0 | 0 | 0 | python,django,ubuntu,django-templates | 14,931,827 | 6 | false | 1 | 0 | Should be here: /usr/lib/python2.7/site-packages/django/contrib/admin/templates | 3 | 14 | 0 | I have trouble to see django/contrib/admin/templates folder. It seems like it is hidden in /usr/lib/python2.7/dist-packages/ folder, ctrl+h wont help ( appearencely all django files are hidden).
"locate django/contrib/admin/templates" in terminal shows bunch of files, but how can i see those files in GUI? I use Ubuntu ... | find django/contrib/admin/templates | 0 | 0 | 0 | 15,440 |
14,931,793 | 2013-02-18T08:04:00.000 | 0 | 0 | 0 | 0 | python,django,ubuntu,django-templates | 14,931,847 | 6 | false | 1 | 0 | Since, everyone is posting my comment's suggestion, might as well post it myself. Try looking at:
/usr/lib/python2.6/site-packages/django/ | 3 | 14 | 0 | I have trouble to see django/contrib/admin/templates folder. It seems like it is hidden in /usr/lib/python2.7/dist-packages/ folder, ctrl+h wont help ( appearencely all django files are hidden).
"locate django/contrib/admin/templates" in terminal shows bunch of files, but how can i see those files in GUI? I use Ubuntu ... | find django/contrib/admin/templates | 0 | 0 | 0 | 15,440 |
14,931,793 | 2013-02-18T08:04:00.000 | 0 | 0 | 0 | 0 | python,django,ubuntu,django-templates | 53,451,127 | 6 | false | 1 | 0 | If you are using Python3, Django is located at your venv. In my case templates are located at <project_root>/venv/lib/python3.5/site-packages/django/contrib/admin/templates/. | 3 | 14 | 0 | I have trouble to see django/contrib/admin/templates folder. It seems like it is hidden in /usr/lib/python2.7/dist-packages/ folder, ctrl+h wont help ( appearencely all django files are hidden).
"locate django/contrib/admin/templates" in terminal shows bunch of files, but how can i see those files in GUI? I use Ubuntu ... | find django/contrib/admin/templates | 0 | 0 | 0 | 15,440 |
14,933,700 | 2013-02-18T10:04:00.000 | 2 | 1 | 0 | 0 | python,arrays,file,file-io,multidimensional-array | 14,934,694 | 1 | true | 0 | 0 | The time it takes for a seek operation would be measured in low milliseconds, probably less than 10 in most cases. So that wouldn't be a bottleneck.
However, if you have to retrieve and save all the records from the database either way, you may end up with roughly the same IO load and perhaps greater. The IO time for w... | 1 | 0 | 0 | I have a few thousand of very big radio-telemetry array fields of the same area in a database. The georeference of the pixels is the same for all of the array fields. An array can be loaded into memory in an all or nothing approach.
I want to extract the pixel for a specific geo-coordinate from all the array fields. Cu... | Save byte-arrays to disk to reduce memory consumption and increase speed? | 1.2 | 0 | 0 | 95 |
14,934,084 | 2013-02-18T10:26:00.000 | 3 | 0 | 1 | 0 | python-3.x,wolfram-mathematica,ipython,ipython-notebook | 14,941,337 | 2 | true | 0 | 0 | First, when you open an IPython notebook, this does not mean the state of the kernel is lost,
unless you restarted the server or explicitly stop the kernel.
Otherwise, there are no marked cell, but there is a "run until here" on dev version.
Also if you are using dev version, using Cell Toolbar /metadata and I would ... | 1 | 8 | 0 | When I open a saved IPython Notebook, I need to evaluate all the cells with imports, function definitions etc. to continue working on the session. It is convenient to click Cell > Run All to do this. But what If I do not want to re-evaluate all calculations? Do I need to pick the cells to evaluate by hand each time?
F... | Does the IPython Notebook have "initialization cells"? | 1.2 | 0 | 0 | 3,769 |
14,935,137 | 2013-02-18T11:24:00.000 | 0 | 0 | 1 | 0 | python,egg,pypi | 14,935,778 | 1 | true | 0 | 0 | You'll need to manually register these.
You can, however, use the PyPI web interface to do this. The central PyPI server has a Package submission link in the left-hand menu bar, leading to http://pypi.python.org/pypi?%3Aaction=submit_form, presumably your local installation has the same.
Your .eggs are either directori... | 1 | 1 | 0 | Apologies if this has been asked before but I couldn't for the life of me find an answer to what seems (to me) like a very basic question.
I have a set of .egg packages that do not contain the source (e.g. there is no setup.py file). I need to register and upload these packages to our inhouse pypi repository. Is there ... | Upload package without source to pypi repo | 1.2 | 0 | 0 | 365 |
14,940,443 | 2013-02-18T16:06:00.000 | 0 | 1 | 0 | 0 | python,aptana,aptana3 | 56,855,673 | 1 | false | 0 | 0 | I accidentally somehow set the project as PyDev project. To disable, right click on the project > PyDev > Remove PyDev Project Config | 1 | 3 | 0 | Aptana Studio 3 keeps adding .pydevproject file, how can I disable Python or whatever it's doing this | Aptana Studio 3 keeps adding .pydevproject file, how can I disable Python? | 0 | 0 | 0 | 459 |
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