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PYTHON QUESTIONS

Python ctypes and dynamic linking
Python ctypes and dynamic linking
may help you . OK, thanks for your help.to get this to work I had to include the dependencies when linking (duh). I had tried this before but got an error, so solve this I had to recompile fftw with '-fpic' as a CPP flag. all works now.
TAG : python
Date : November 26 2020, 07:01 PM , By : user3863522
Downloading a directory tree with ftplib
Downloading a directory tree with ftplib
fixed the issue. Will look into that further This will not download the contents of sub-directories; how can I do so? , this should do the trick :)
TAG : python
Date : November 26 2020, 07:01 PM , By : Eshwar
ImportError: No Module named simplejson
ImportError: No Module named simplejson
With these it helps That means you must install simplejson. On newer versions of python, it was included by default into python's distribution, and renamed to json. So if you are on python 2.6+ you should change all instances of simplejson to json. F
TAG : python
Date : November 26 2020, 07:01 PM , By : Mandar Jambotkar
Pre-generating GUIDs for use in python?
Pre-generating GUIDs for use in python?
Any of those help Are you certain that the uuid module would in fact be too slow to handle the requests you expect in a timely manner? I would be very surprised if UUID generation accounted for a bottleneck in your application.I would first build the
TAG : python
Date : November 26 2020, 07:01 PM , By : Victor
`ipython` tab autocomplete does not work on imported module
`ipython` tab autocomplete does not work on imported module
fixed the issue. Will look into that further Be sure you have installed the pyreadline library. It is needed for tab completion and other IPython functions - in Windows it doesn't come with the IPython package and you have to install it separately -
TAG : python
Date : November 26 2020, 07:01 PM , By : robshih
Matching blank entries in django queryset for optional field with corresponding ones in a required field
Matching blank entries in django queryset for optional field with corresponding ones in a required field
I hope this helps you . I have a django queryset in my views whose values I pack before passing to my template. There is a problem when the queryset returns none since associated values are not unpacked. the quersyet is called comments. , You could j
TAG : python
Date : November 26 2020, 07:01 PM , By : user3863374
Control VLC from Python in Windows
Control VLC from Python in Windows
Does that help Yes, you can control it via telnet (with telnetlib). There are also libvlc bindings, but I'm not sure you can use that to control an existing VLC instance.
TAG : python
Date : November 26 2020, 07:01 PM , By : user3861339
Return unicode string from python via ajax
Return unicode string from python via ajax
I hope this helps . If the python interpreter can't determine the encoding of sys.stdout ascii is used as a fallback however the characters in the string are not part of ascii, therefore a UnicodeEncodeError exception is raised.A solution would be to
TAG : python
Date : November 25 2020, 07:01 PM , By : user3863251
Dynamically customize django admin columns?
Dynamically customize django admin columns?
will help you Since Django 1.4 you can do this using get_list_display(): https://docs.djangoproject.com/en/dev/ref/contrib/admin/django.contrib.admin.ModelAdmin.get_list_display
TAG : python
Date : November 25 2020, 07:01 PM , By : proteuscanvas
Any way to add tabbed forms in django administration site?
Any way to add tabbed forms in django administration site?
wish helps you I'm not sure if this is easy to do out of the box, but why not put the fields in fieldsets and make these fieldsets collapsible? It's slightly less ideal possibly, but works out of the box. There's an example in the tutorial:
TAG : python
Date : November 25 2020, 07:01 PM , By : user3863212
Python / SQLite - database locked despite large timeouts
Python / SQLite - database locked despite large timeouts
I hope this helps . In early versions of pysqlite, the timeout parameter to sqlite.connect is apparently interpreted as milliseconds. So your timeout=30.0 should be timeout=30000.
TAG : python
Date : November 25 2020, 07:01 PM , By : user3863151
Encoding in XML declaration python
Encoding in XML declaration python
it helps some times I have created an XML file using python. But the XML declaration has only version info. How can I include encoding with XML declaration like:
TAG : python
Date : November 25 2020, 07:01 PM , By : user3863081
deletion of folders
deletion of folders
With these it helps If you want to delete a folder that's empty use os.rmdir:
TAG : python
Date : November 25 2020, 07:01 PM , By : user3863075
Python Mindstorms RCX
Python Mindstorms RCX
will help you Running Python on the brick itself is probably hard (for the reason others already stated - size of the interpreter, available RAM on the brick for example) but this might be of interest:According to this thread you should be able to us
TAG : python
Date : November 25 2020, 07:01 PM , By : Tl Sv
Regex to split on successions of newline characters
Regex to split on successions of newline characters
I wish this helpful for you If there are no spaces at the starts or ends of the lines, you can use line.split() with no arguments. It will remove doubles. . If not, you can use [a for a a.split("\r\n") if a].EDIT: the str type also has a method calle
TAG : python
Date : November 25 2020, 07:01 PM , By : BigBigBoy
Unicode filename to python subprocess.call()
Unicode filename to python subprocess.call()
wish help you to fix your issue I found a fine workaround, it's a bit messy, but it works.subprocess.call is going to pass the text in its own encoding to the terminal, which might or not be the one it's expecting. Because you want to make it portabl
TAG : python
Date : November 25 2020, 07:01 PM , By : flares
Removing non-breaking spaces from strings using Python
Removing non-breaking spaces from strings using Python
I hope this helps you . You don't have a unicode string, but a UTF-8 list of bytes (which are what strings are in Python 2.x).Try
TAG : python
Date : November 24 2020, 07:00 PM , By : ZaiMongMot
Is there a way to backup everything in an app-engine blobstore?
Is there a way to backup everything in an app-engine blobstore?
around this issue In Java, you would instantiate a BlobInfoFactory and use BlobInfoFactory.queryBlobInfos. Then for each blob, you would run BlobstoreService.serve(...) with the BlobKeys returned from the BlobInfos. You still might end up with broken
TAG : python
Date : November 24 2020, 07:00 PM , By : Muhamad Nur Chozin
Process a set of files from a source directory to a destination directory in Python
Process a set of files from a source directory to a destination directory in Python
around this issue Being completely new in python I'm trying to run a command over a set of files in python. The command requires both source and destination file (I'm actually using imagemagick convert as in the example below). , Change your loop to:
TAG : python
Date : November 24 2020, 07:00 PM , By : user3862851
How to know if optparse option was passed in the command line or as a default
How to know if optparse option was passed in the command line or as a default
Any of those help Using python optparse.py, is there a way to work out whether a specific option value was set from the command line or from the default value. , Instead of the below boilerplate code:
TAG : python
Date : November 24 2020, 07:00 PM , By : user3862843
Rewriting a for loop in pure NumPy to decrease execution time
Rewriting a for loop in pure NumPy to decrease execution time
this one helps. I recently asked about trying to optimise a Python loop for a scientific application, and received an excellent, smart way of recoding it within NumPy which reduced execution time by a factor of around 100 for me! , One obvious thing
TAG : python
Date : November 24 2020, 07:00 PM , By : Joshua Budman
Comparing a time delta in python
Comparing a time delta in python
I wish this help you You'll have to create a new timedelta with the specified amount of time:
TAG : python
Date : November 24 2020, 07:00 PM , By : user3862780
Find next lower item in a sorted list
Find next lower item in a sorted list
help you fix your problem How about bisect?
TAG : python
Date : November 24 2020, 07:00 PM , By : TatikiN
MySQLdb not INSERTING, _mysql does fine
MySQLdb not INSERTING, _mysql does fine
it fixes the issue You can use db.commit() to submit data or set db.autocommit() after _mysql.connect(...) to autocommit requests.
TAG : python
Date : November 24 2020, 07:00 PM , By : Hamza Jami
Scipy Negative Distance? What?
Scipy Negative Distance? What?
it should still fix some issue This is because of floating-point inaccuracy, so some distances between your vectors, instead of being 0, are for example -0.000000000000000002. Use scipy.clip() function to correct the problem. If your distance matrix
TAG : python
Date : November 24 2020, 07:00 PM , By : mattycfp
What are the common patterns in web programming?
What are the common patterns in web programming?
will be helpful for those in need If this is actually a big web app that will be deployed for general consumption, then I'd add on Rate Limiting.
TAG : python
Date : November 24 2020, 07:00 PM , By : Leon
Percent signs in windows path
Percent signs in windows path
help you fix your problem According to the documentation, I think you want to use the os.path.expandvars routine.
TAG : python
Date : November 23 2020, 07:00 PM , By : Landy Chan
How to add a random number to a subsection of a numpy array?
How to add a random number to a subsection of a numpy array?
I hope this helps you . You can assign values to indexed array. For your case, generate the 2d random array first and then directly add it to sliced data:
TAG : python
Date : November 23 2020, 07:00 PM , By : Mitchell Carroll
How to generate all the values of an iterable besides the last few?
How to generate all the values of an iterable besides the last few?
may help you . Say I have to define a function which takes in an iterable and generates all of the values except the last 5. As of right now, I have something like this: , I assume saving just 5 items in memory is fine. You can try this:
TAG : python
Date : November 23 2020, 07:00 PM , By : Mohamed Afndy Srour
Searching by both class and range in XPath
Searching by both class and range in XPath
To fix this issue There are multiple different ways to improve on performance here: first scroll up until you got all the reviews (or a certain number) and only then extract them
TAG : python
Date : November 23 2020, 07:00 PM , By : Rashmeet
Python code execution in Perl interpreter
Python code execution in Perl interpreter
it helps some times In theory, there are ways of embedding Python code in Perl, like the Inline::Python module.In practice, they should not be used. If your company uses Perl, learn Perl. Trying to use Python anyway will just mean that you end up cre
TAG : python
Date : November 23 2020, 07:00 PM , By : Fanfouer
Best Way to Include Variable in Python3
Best Way to Include Variable in Python3
This might help you I was just wondering what the bests way to include variables in printed-lines. , I would say currently, this is better:
TAG : python
Date : November 23 2020, 07:00 PM , By : LavaFalcon
Serialize the @property methods in a Python class
Serialize the @property methods in a Python class
around this issue You can extend Django's serializers without /too/ much work. Here's a custom serializer that takes a queryset and a list of attributes (fields or not), and returns JSON.
TAG : python
Date : November 23 2020, 07:00 PM , By : x4kep
What is the most platform- and Python-version-independent way to make a fast loop for use in Python?
What is the most platform- and Python-version-independent way to make a fast loop for use in Python?
wish of those help You can get this to run much, much faster if you eliminate the loop and use Numpy's vectorized operations. Put your data in numpy arrays of shape (3,N) and try the following:
TAG : python
Date : November 23 2020, 07:00 PM , By : Michael S. Green
Good way to edit the previous defined class in ipython
Good way to edit the previous defined class in ipython
Does that help Use the %edit command, or its alias %ed. Assuming that the intro class already exists in the ipython namespace, typing %ed intro will open an external editor on the source code for the class. When you save and exit the editor the code
TAG : python
Date : November 23 2020, 07:00 PM , By : Kanon Knaphus
Bounced email on Google App Engine
Bounced email on Google App Engine
hop of those help? It looks like someone bypassed this problem by switching to Yahoo's Mail API, which uses OAuth and can be used over HTTP. Until google fixes your problem, this looks like a viable solution.
TAG : python
Date : November 23 2020, 07:00 PM , By : viv9csSharma
Search jpeg files using python
Search jpeg files using python
I wish this help you If you need to search a single folder non-recursively you can simply do
TAG : python
Date : November 23 2020, 07:00 PM , By : user3862407
Dynamically create class attributes
Dynamically create class attributes
I wish did fix the issue. You could do it without metaclasses using decorators. This way is a bit more clear IMO:
TAG : python
Date : November 23 2020, 07:00 PM , By : Struan Robertson
python unichr problem
python unichr problem
This might help you When using the "print" keyword, you'll be writing to the sys.stdout output stream. sys.stdout can usually only display Unicode strings if the characters can be converted to ascii using str(message). You'll need to encode to your O
TAG : python
Date : November 23 2020, 07:00 PM , By : CGough
Python beginner, strange output problem
Python beginner, strange output problem
This might help you The problem is that you recursively call Permute(array[1:]), then use the recursive result to calculate temp1. Why is this a problem? Your function outputs an array of arrays, where the last subarray is temp2, the distance sum. So
TAG : python
Date : November 23 2020, 07:00 PM , By : user3862335
Python: Finding a value in 1 list and finding that corresponding index in another list
Python: Finding a value in 1 list and finding that corresponding index in another list
Does that help My function is given a 'to_find_value' then I have 2 lists which are the same in length and index values. Once I find the index value in list 1 that 'to_find_value' is in, I want to take that index of list 2 and return the value found
TAG : python
Date : November 22 2020, 07:01 PM , By : Bob F.
can't install mysqlclient on mac os x mojave
can't install mysqlclient on mac os x mojave
like below fixes the issue I got the same error as you after upgrading to mojave. After some digging, the following steps help:
TAG : python
Date : November 22 2020, 07:01 PM , By : Jason Henderson
Error indicates flattened dimensions when loading pre-trained network
Error indicates flattened dimensions when loading pre-trained network
I wish this help you It seems like you are taking a pretrained net where layer "fc4" was a fully connected layer (aka type: "InnerProduct" layer) and it was "reshaped" into a convolutional layer.Since both inner product layer and convolutional layer
TAG : python
Date : November 22 2020, 07:01 PM , By : ionut carp
how to replace underlines with words?
how to replace underlines with words?
wish help you to fix your issue Your code can be highly simplified, as well as you can pass the current state of the guesses if you wanted to wrap this in a while loop so the user can continually guess, such as:
TAG : python
Date : November 22 2020, 07:01 PM , By : James Grinage
Adding through iteration
Adding through iteration
wish of those help Let's say the user input is assigned to x, then the most simplistic answer is:
TAG : python
Date : November 22 2020, 07:01 PM , By : user5943053
Use OpenCV on deployed Flask app (Heroku)
Use OpenCV on deployed Flask app (Heroku)
wish help you to fix your issue Hello I seem to be having trouble importing opencv on my deployed flask app on Heroku! , Use opencv-python-headless it's out of libSM6 dependency.
TAG : python
Date : November 22 2020, 07:01 PM , By : Nicole Ortega
How to skip interstitial in a django view if a user hits the back button?
How to skip interstitial in a django view if a user hits the back button?
around this issue How do you keep the interstitial page from entering the flow? Eliminate it.I'm only recently wrapping my head around AJAX, so wish I could give you a more concrete answer, but the general approach is to use something like jQuery to
TAG : python
Date : November 22 2020, 07:01 PM , By : user3862230
Any Naive Bayesian Classifier in python?
Any Naive Bayesian Classifier in python?
this one helps. The scikit-learn has an implementation of Gaussian naive Bayesian classifier. In general, the goal of this library is to provide a good trade off between code that is easy to read and use, and efficiency. Hopefully it should be a good
TAG : python
Date : November 22 2020, 07:01 PM , By : Ownsin
Python 2.5.2: remove what found between two lines that contain two concrete strings
Python 2.5.2: remove what found between two lines that contain two concrete strings
this one helps. is there any way to remove what found between two lines that contain two concrete strings? , Use a flag to indicate whether you're writing or not.
TAG : python
Date : November 22 2020, 07:01 PM , By : user3862156
Python 2.5.2 script that add "The function starts here" to all the functions of the files of a directory
Python 2.5.2 script that add "The function starts here" to all the functions of the files of a directory
it should still fix some issue i would like to replace the lines
TAG : python
Date : November 22 2020, 07:01 PM , By : Nish Shah
HttpResponseRedirect question
HttpResponseRedirect question
it should still fix some issue Response redirect as name suggests, redirects the user's browser to new URL, so it doesn't make any sense to pass anything else except the new location in HttpResponseRedirectIf you want to pass some data, so that in th
TAG : python
Date : November 22 2020, 07:01 PM , By : user3862043
Python socket error on UDP data receive. (10054)
Python socket error on UDP data receive. (10054)
fixed the issue. Will look into that further Firstly this is possibly platform specific and you don't mention the platform that you're running on; however, 10054 is WSAECONNRESET so I'm guessing a Windows platform of some kind.Secondly as previously
TAG : python
Date : November 22 2020, 07:01 PM , By : Velkan89
Encoding issues with cloud ml
Encoding issues with cloud ml
wish help you to fix your issue The issue was with the way the graph was exported it is very important to add the flag --input_type when calling the script export_inference_graph.py otherwise the API models have their inputs a UINT8 instead of string
TAG : python
Date : November 21 2020, 07:01 PM , By : Myles G. Warner
numpy.where - Weird behaviour: new elements spawning from nowhere?
numpy.where - Weird behaviour: new elements spawning from nowhere?
should help you out You are checking all elements in all columns, you need to use all along the first axis to find rows that are not all 0:
TAG : python
Date : November 21 2020, 07:01 PM , By : Lizzie Swanley
I can't move my player in pygame, can you figure why?
I can't move my player in pygame, can you figure why?
hop of those help? I've restructured your main loop to fix the problems. I change the playerMovement (velocity) in the event loop now and use it to update the playerRect in the main loop with the pygame.Rect.move_ip method. By the way, you can pass t
TAG : python
Date : November 21 2020, 07:01 PM , By : charlie campbell
Weird error I receive from Tkinter in Python
Weird error I receive from Tkinter in Python
it helps some times You are spelling command wrong (three m's)You are passing it a variable called commmand and it doesn't know how to use that variable.
TAG : python
Date : November 21 2020, 07:01 PM , By : Vicky Ferma Putra
Using a Zapier Custom Request Webhook with JSON Web Tokens
Using a Zapier Custom Request Webhook with JSON Web Tokens
will be helpful for those in need My experience authenticating with APIs has been using the simple API key method. As such I first read your question and didn't fully understand. I decided to do some research and hopefully learn something along the w
TAG : python
Date : November 21 2020, 07:01 PM , By : B.Gelinas
Keras: Use categorical_crossentropy without one-hot encoded array of targets
Keras: Use categorical_crossentropy without one-hot encoded array of targets
this one helps. If your targets are one-hot encoded, use categorical_crossentropy. Examples of one-hot encodings:
TAG : python
Date : November 21 2020, 07:01 PM , By : Harvard Hustler
Does python's httplib.HTTPConnection block?
Does python's httplib.HTTPConnection block?
this will help Unless you go to lengths to prevent it, IO will always block.Although you can do asynchronous requests, you will have to make you entire program async-friendly. Async does not magically make your code non-blocking. It would be much eas
TAG : python
Date : November 21 2020, 07:01 PM , By : Crisco
Do alternate python implementation version numbers imply that they provide the same syntax?
Do alternate python implementation version numbers imply that they provide the same syntax?
fixed the issue. Will look into that further Generally yes, but there's technically nothing stopping alternate implementations from choosing whatever version numbers they want.It's also important to note that just because Jython 2.5.1 is intended to
TAG : python
Date : November 21 2020, 07:01 PM , By : phytab

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