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python Programming Glossary: seWhy print statement is not pythonic? [closed] http://stackoverflow.com/questions/1053849/why-print-statement-is-not-pythonic print statement is not pythonic closed This question was bugging me for quite a while as evidenced.. is defined as being more pythonic than print x For those who don't know the print statement was changed into function.. 3105 and motivation is in Guido van Rossum's email . To those points I would like to make a counterpoint There are other operators..
Is there a Python language specification? http://stackoverflow.com/questions/1094961/is-there-a-python-language-specification share improve this question There's no specification per se. The closest thing is the Python Language Reference which details.. this question There's no specification per se. The closest thing is the Python Language Reference which details the syntax..
Basic query regarding bindtags in tkinter http://stackoverflow.com/questions/11541262/basic-query-regarding-bindtags-in-tkinter post http stackoverflow.com questions 3501849 how to bind self events in tkinter text widget after it will binded by text.. text widg it was mentioned that if default bindtags are used then event value will not be visible inside definiton there.. would like to understand the detailed reason. Can some please explain why it was not working in first case and was working..
What would be the simplest way to daemonize a python script in Linux? http://stackoverflow.com/questions/115974/what-would-be-the-simplest-way-to-daemonize-a-python-script-in-linux this works with every flavor of Linux so it should only use python based tools. python scripting daemon share improve.. with every flavor of Linux so it should only use python based tools. python scripting daemon share improve this question.. personally to be both mostly incorrect and much to verbose and I came up with this from os import fork setsid umask dup2..
Can I run a Python script as a service? http://stackoverflow.com/questions/1423345/can-i-run-a-python-script-as-a-service I run a Python script as a service Is it possible to run a Python script as a background.. Is it possible to run a Python script as a background service on a webserver I want to do this for socket communication... to run a Python script as a background service on a webserver I want to do this for socket communication. python web..
merging two tables with millions of rows in python http://stackoverflow.com/questions/14614512/merging-two-tables-with-millions-of-rows-in-python call it 'A' has 10 million rows and 10 columns and the second 'B' has 73 million rows and 2 columns. They have 1 column.. They have 1 column with common ids and I want to intersect the two tables based on that column. In particular I want.. with common ids and I want to intersect the two tables based on that column. In particular I want the inner join of the..
Is switching from PHP to Python worth the trouble [closed] http://stackoverflow.com/questions/1486608/is-switching-from-php-to-python-worth-the-trouble switching from PHP to Python worth the trouble closed If you had switched from php framework of choice to python.. That can be attributed to the platform switch per se. I would also like to hear the not so great stories. Please.. I would also like to hear the not so great stories. Please also include the frameworks you have switched from and to. Thanks..
How to trouble-shoot HDFStore Exception: cannot find the correct atom type http://stackoverflow.com/questions/15488809/how-to-trouble-shoot-hdfstore-exception-cannot-find-the-correct-atom-type general guidance on what kinds of data scenarios can cause this exception. I have tried massaging my data in various ways.. I have googled this exception for days now gone through several google group discussions and come up with no solution to.. non null values Pattern_Changer 401125 non null values Grouser_Type 401125 non null values Backhoe_Mounting 401125 non null..
how to sort 2d array by row in python? http://stackoverflow.com/questions/2173797/how-to-sort-2d-array-by-row-in-python by values in 2nd row from lowest to highest value any useful tip python share improve this question Python per se.. tip python share improve this question Python per se has no 2d array it has 1d lists as built ins and 1d arrays in.. provide Python usable multi dimensional arrays but of course you'd be mentioning such third party libraries if you were using..
django, python and link encryption http://stackoverflow.com/questions/2291176/django-python-and-link-encryption I need to arrange some kind of encrpytion for generating user specific links. Users will be clicking this link and at some.. kind of encrpytion for generating user specific links. Users will be clicking this link and at some other view related.. a number or a string that is the primary key of my selected item that is bound to the user account also consuming..
Permanently add a directory to PYTHONPATH http://stackoverflow.com/questions/3402168/permanently-add-a-directory-to-pythonpath add a directory to PYTHONPATH Whenever I use sys.path.append the new directory will be added. However once.. the new directory will be added. However once I close python the list will revert to the previous default values... your new directory to the environment variable PYTHONPATH separated by a colon from previous contents thereof. In any form..
Send keyboard event using subprocess http://stackoverflow.com/questions/3531953/send-keyboard-event-using-subprocess python scripts. First one is just a script waiting for user keyboard input. When user presses a key it prints a pressed.. is just a script waiting for user keyboard input. When user presses a key it prints a pressed key value. Second script.. a script waiting for user keyboard input. When user presses a key it prints a pressed key value. Second script calls first..
http://stackoverflow.com/questions/390992/javascript-parser-in-python parser in Python There is a JavaScript parser at least in C and Java.. parser in Python There is a JavaScript parser at least in C and Java Mozilla in JavaScript Mozilla again.. there for Python I don't need a JavaScript interpreter per se just a parser that's up to ECMA 262 standards. A quick google..
Why can't I subclass datetime.date? http://stackoverflow.com/questions/399022/why-cant-i-subclass-datetime-date 2.5.2 import datetime class D datetime.date def __init__ self year datetime.date.__init__ self year 1 1 D 2008 Traceback.. def __init__ self year datetime.date.__init__ self year 1 1 D 2008 Traceback most recent call last File stdin.. original datetime.date.__init__ is called and fails because that expects 3 arguments and I am passing in one. What's going..
Store jpg, gif, png, etc it gae-datastore http://stackoverflow.com/questions/5211780/store-jpg-gif-png-etc-it-gae-datastore # if you don't do any transforms so go ahead and use im_feeling_lucky. img.im_feeling_lucky png_data img.execute_transforms.. file type by using db.BlobProperty in your model. If you use the Image API to manipulate the image data you're limited to.. images To simply store the images in the data store use db.BlobProperty in your model and have this store the binary..
Does Python have class prototypes (or forward declarations)? http://stackoverflow.com/questions/524714/does-python-have-class-prototypes-or-forward-declarations have class prototypes or forward declarations I have a series of Python classes in a file. Some classes reference others... or forward declarations I have a series of Python classes in a file. Some classes reference others. My code is something.. I have a series of Python classes in a file. Some classes reference others. My code is something like this class A pass..
How do I duplicate sys.stdout to a log file in python? http://stackoverflow.com/questions/616645/how-do-i-duplicate-sys-stdout-to-a-log-file-in-python doing something so non standard that nobody knows I'll revise my question to also ask What is the best way to accomplish logging.. like this and it works great # open our log file so se open s.log self.name 'w' 0 # re open stdout without buffering.. and it works great # open our log file so se open s.log self.name 'w' 0 # re open stdout without buffering sys.stdout os.fdopen..
Finding shapes in an image using opencv http://stackoverflow.com/questions/8785664/finding-shapes-in-an-image-using-opencv box Match each bounding box to one of the known shapes separately. In my real project I'm scaling the region to the template.. a way to modify my approach to handle adjacent shapes separately Also is there a better way to perform step 3 For example.. 3 For example Es colored green Ys colored blue Failed case unknown shape in red Source code import cv import sys E cv.LoadImage..
http://stackoverflow.com/questions/972362/spawning-process-from-python till it gets over i am not able to free the port that is used by the web app or in other words i am not able to restart the.. it's a Linux system the script could easily make itself fully independent i.e. a daemon by following this recipe ... some details wrt @mark's comment on my answer super user privileges are not needed to daemonize a process as per the..
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