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PYTHON QUESTIONS

Excluding columns from a dataframe based on their mean without using a loop
Excluding columns from a dataframe based on their mean without using a loop
wish help you to fix your issue You can't use drop, but you can index... You also need to use rather than and:
TAG : python
Date : November 10 2020, 09:01 AM , By : RAVIKANT MAGARDE
Tkinter button calling function to play wave with PyAudio -- crashes
Tkinter button calling function to play wave with PyAudio -- crashes
I wish did fix the issue. As soon as I hit the button, it stays pressed, and the program crashes. The sound does play though. I'm using code straight form the PyAudio site so I'm a little confused here why it crashes. , Use threading to play music.
TAG : python
Date : November 10 2020, 09:01 AM , By : Jade
decode-encode UTF-8 doesn't lead to the original unicode
decode-encode UTF-8 doesn't lead to the original unicode
hop of those help? Your version of python is using UCS-2 (16 bits per character) but these particular unicode characters require 32 bits, so element of u represents "half" of a character. u.encode('utf-8') works properly because it understanding the
TAG : python
Date : November 10 2020, 09:01 AM , By : jahid Hussain
How can i write to a csv file and create a two subheaders under a header
How can i write to a csv file and create a two subheaders under a header
I think the issue was by ths following , The data-structure you are describing is a CSV as follows:Headers: Best Month, Worst Month
TAG : python
Date : November 10 2020, 09:01 AM , By : Morten Olgenkær
Usage of onehotencoder
Usage of onehotencoder
should help you out I believe you are looking for sklearn.preprocessing.LabelBinarizer. OneHotEncoder takes an integer and creates dummy variables from it.http://scikit-learn.org/stable/modules/generated/sklearn.preprocessing.LabelBinarizer.html
TAG : python
Date : November 10 2020, 09:01 AM , By : Mahesh Ramachandra
execute a program on a remote machine python
execute a program on a remote machine python
will help you With most linux shells, you can run a command in a different working directory by executing a subshell as in
TAG : python
Date : November 10 2020, 09:01 AM , By : Debleena Mukhopadhya
Years to Decades
Years to Decades
Any of those help Since you have the year's column, I don't think there is a need to subset the string of contest_id, but here are two solutions to create a decade's column.Since you need to represent the year with some int value, you could convert i
TAG : python
Date : November 10 2020, 09:01 AM , By : mvp
Efficient way to split two UTF-8 bytes from one another
Efficient way to split two UTF-8 bytes from one another
will help you I have two UTF-8 bytes \xf0\x9f\x93\xb1\xf0\x9f\x9a\xac and I want to split it like \xf0\x9f\x93\xb1, \xf0\x9f\x9a\xacwhat is the most efficient way to do this , Use decode-encode to do it:
TAG : python
Date : November 09 2020, 09:01 AM , By : PistolenPeter
Un-pivoting/Stacking a pivot table with Python Pandas
Un-pivoting/Stacking a pivot table with Python Pandas
will help you I have the below table in excel (xls): , Very close what you want:
TAG : python
Date : November 09 2020, 09:01 AM , By : Piotr Domanski
How to make an add method to a Python class?
How to make an add method to a Python class?
I think the issue was by ths following , You need two arguments, self and other. Then for each new attribute you just add the attribute of self and other together. Create and return a new FootMeasure object with those new values, and you're all set!
TAG : python
Date : November 09 2020, 09:01 AM , By : Anuj Mathur
How does this python nested for loops work?
How does this python nested for loops work?
To fix this issue Can anyone explain why the output of the following nested loop is {1:6, 2:6, 3:6}?
TAG : python
Date : November 09 2020, 09:01 AM , By : max
How to merge two table with pyfits?
How to merge two table with pyfits?
To fix the issue you can do Is there a reason you cannot use astropy (i.e. astropy.io.fits)?In that case the idiom would be:
TAG : python
Date : November 09 2020, 09:01 AM , By : K.Mani Kandan
How to efficiently remove non-ASCII characters and numbers, but keep accented ASCII characters
How to efficiently remove non-ASCII characters and numbers, but keep accented ASCII characters
Hope this helps I have several strings like this: , Here's a way that might help (Python 3.4):
TAG : python
Date : November 09 2020, 09:01 AM , By : kumar sanu pandey
Is it possible to run a pypy kernel in the Jupyter notebook?
Is it possible to run a pypy kernel in the Jupyter notebook?
will be helpful for those in need I have always wondered if it were possible to run PyPy in the Jupyter notebook. I recently tried installing PyPy on my local machine, and it ran really well - 100X speedup in an agent-based simulation written in pure
TAG : python
Date : November 09 2020, 09:01 AM , By : Ramesh
How do I change the type of elements of a 2D list?
How do I change the type of elements of a 2D list?
may help you . I have a list that I get by opening a txt file. That list is a 2D list which looks like: , Would you like a one-liner?
TAG : python
Date : November 09 2020, 09:01 AM , By : Mikołaj
python math.log(1/2) domain error
python math.log(1/2) domain error
This might help you I have a weird problem with python's math library's log function , 1/2 == 0 in python 2 and log(0) is -Inf, try:
TAG : python
Date : November 09 2020, 09:01 AM , By : parikshit sharma
Opening string as image in python/pygame
Opening string as image in python/pygame
like below fixes the issue You save PNG as a string. PNG means compressed image with headers. fromstring expects string with uncompressed image without headers.
TAG : python
Date : November 09 2020, 09:01 AM , By : Manoj Singh
How to extract table data from html file with BeautifulSoup?
How to extract table data from html file with BeautifulSoup?
I hope this helps . I am trying to clean up some data I have to prep it for moving it into a database. I am not a programmer by trade, so this is all new to me. I have been scouring the site trying to find sample code to try. I found this discussion
TAG : python
Date : November 09 2020, 09:01 AM , By : Hal Cyon
How can i override the exactly equal function for a specific string in Python?
How can i override the exactly equal function for a specific string in Python?
should help you out I am borderline new to python , you can make a class inheriting from str and overriding eq
TAG : python
Date : November 09 2020, 09:01 AM , By : Mark
PIL filter pixels and paste
PIL filter pixels and paste
To fix the issue you can do The pixel filter function you are referencing has a slight bug it seems. It's trying to convert a 1 dimensional list index into a 2d index backwards. It should be (x,y) => (index/height, index%height) (see here). Below is
TAG : python
Date : November 09 2020, 09:01 AM , By : newsocial17
list assignment index out of range (creating a minesweeper board)
list assignment index out of range (creating a minesweeper board)
this one helps. The way you do it, board is one list with (rows + cols) empty lists inside of it, not a list with rows columns each with rows spaces between them. what you wanna do is create a list with rows lists inside of them, and then append 'C'
TAG : python
Date : November 09 2020, 09:01 AM , By : Adam N
compilation issue when running theano
compilation issue when running theano
I wish did fix the issue. I found the problem. the path environment variable was not pointing to the correct mingw-w64 (which is needed to run theano on 64 bit windows) directory.The environment variable should always point to the bin subdirectory of
TAG : python
Date : November 09 2020, 09:01 AM , By : Tamas Kulcsar
Why is the scapy installation failing on Mac?
Why is the scapy installation failing on Mac?
it should still fix some issue To install scapy for python3, you have to run pip3 install scapy-python3. Just pip3 install scapy will install old 2.x version, which is not python3 compatible.
TAG : python
Date : November 09 2020, 09:01 AM , By : Tigohl
Trouble installing tesseract-ocr package - ''compile failed with error code 1 in /tmp/pip_build_root/tesseract-ocr''
Trouble installing tesseract-ocr package - ''compile failed with error code 1 in /tmp/pip_build_root/tesseract-ocr''
To fix the issue you can do The link provided only mentions the use of Pip for installing pytesseract not Tesseract-OCR.As mentioned you will also need the Python Imaging Library (PIL), if it is not installed in your system you can use Pillow by usin
TAG : python
Date : November 09 2020, 09:01 AM , By : Tom
Create and add a vlan to a network-namespace via python
Create and add a vlan to a network-namespace via python
seems to work fine Is it possible to program the following commands in python? , I found a solution by myself.
TAG : python
Date : November 09 2020, 09:01 AM , By : Gulgun Kumsal
Variable should be an int, but AttributeError claims it's a str
Variable should be an int, but AttributeError claims it's a str
this one helps. "...it keeps giving the same error it would give if Check0n was a string..."No it isn't. It's giving you the error you would get if Words[Check0n] were a string... which it is. Words is a list of strings, and Words[Check0n] is one of
TAG : python
Date : November 09 2020, 09:01 AM , By : Ji hoon BAE
Running more than one spider in a for loop
Running more than one spider in a for loop
should help you out Solution is to collect the spiders in the loop and start process just once at the end. My guess, it has something to do with the Reactor allocation / deallocation.
TAG : python
Date : November 09 2020, 09:01 AM , By : Zunayed Shahriar
python numpy parse array to get items
python numpy parse array to get items
wish help you to fix your issue Hi I tried taking distinct items of every sublist and making an array , You could make use of a set:
TAG : python
Date : November 09 2020, 09:01 AM , By : Vivek Nagpal
why does matplotlib contour plot fail when plotting 2d arrays
why does matplotlib contour plot fail when plotting 2d arrays
will be helpful for those in need I am trying to plot some results using a contourf plot. The X, Y, and Z data are all 2d numpy arrays. I thought it was as simple as passing those arrays to the contourf function. However, I get a an error: , In this
TAG : python
Date : November 09 2020, 08:00 AM , By : juanm37
Does PEP 0440 allow omitting the separator for development releases?
Does PEP 0440 allow omitting the separator for development releases?
like below fixes the issue Martijn's comment is correct, the 2nd statement is regarding the normalized form. Donald Stufft confirmed on the distutils-sig@python.org mailer:
TAG : python
Date : November 09 2020, 08:00 AM , By : Kitar.Nattiya.Hothon
How to convert a list of data in Python to a Dictionary where each item has a key
How to convert a list of data in Python to a Dictionary where each item has a key
wish of those help
TAG : python
Date : November 09 2020, 08:00 AM , By : Pritam Malwade
Unable to format a string in Python
Unable to format a string in Python
wish help you to fix your issue You only give the format string one argument; the other two values are a separate argument to the print() function.Move the opening parenthesis:
TAG : python
Date : November 09 2020, 08:00 AM , By : Avin Myneni
Initialize variable in loop - use global variable?
Initialize variable in loop - use global variable?
will be helpful for those in need Using global variables is almost never the correct solution. It usually ends up causing more problems than solutions. Continuing from @MartijnPieters, I would organize your code as follows:
TAG : python
Date : November 09 2020, 08:00 AM , By : Raju Kulayappa
How do i remove an item from a list and store it into a variable in python
How do i remove an item from a list and store it into a variable in python
hope this fix your issue so i want to remove an item from a list and store it into the variable at the same time in python. I tried a sample code like this: , list.remove(x)
TAG : python
Date : November 09 2020, 08:00 AM , By : user0987
How does numpy.fft.fft work?
How does numpy.fft.fft work?
like below fixes the issue The properties you give apply to the Continuous Fourier transform (CFT). What is computed by the FFT is the Discrete Fourier transform (DFT), which is related to the CFT but is not exactly equivalent.It's true that the DFT
TAG : python
Date : November 09 2020, 08:00 AM , By : Reuben Ashok kumar
How to use my class 'database' in another class?
How to use my class 'database' in another class?
around this issue You need to learn about variable scope. db.connect_db() creates a cursor connection with the name cur, but does not do anything with it; when that method finishes, the object is destroyed. In particular, it never makes it back to th
TAG : python
Date : November 09 2020, 08:00 AM , By : beatrice wairimu
How to freeze a python library into a linux program?
How to freeze a python library into a linux program?
Hope that helps We can surely freeze a python script into stand-alone binaries in a lots of ways. I personally like pyinstaller and freeze.py the best. But, as of them, the finally binaries need to be executed as , you need to have the script in your
TAG : python
Date : November 09 2020, 08:00 AM , By : Светимир Игнатов
comparing two DateTime fields in django template
comparing two DateTime fields in django template
it fixes the issue You can't do that in your model field definition. If you do the timedelta in the definition, it will be only be called ONLY ONCE when your django project initializes, then the value will be reinitialized the next time you restart t
TAG : python
Date : November 09 2020, 08:00 AM , By : Libin Sivan
Gtk.Grid(): how to dynamically modify the number of rows
Gtk.Grid(): how to dynamically modify the number of rows
I hope this helps . The hack that you are doing seems to be fine, I don't know what is going to do your program, but you could also consider using a Gtk.DrawingArea.To add the row with a button take a look to this:
TAG : python
Date : November 09 2020, 08:00 AM , By : The Rich Hobo
getattr for a list index in Python?
getattr for a list index in Python?
I hope this helps you . I know I can do a try/except or if/else and set a default based on the error or else clause, but I was just wondering if there was a one liner that could do it like getattr can. , The good: just def a helper function
TAG : python
Date : November 09 2020, 08:00 AM , By : Gabriel Kim
can't install scipy - freezes on "Running setup.py install for scipy"
can't install scipy - freezes on "Running setup.py install for scipy"
like below fixes the issue It took unexpectedly long, but it finished after several minutes. So problem solved.
TAG : python
Date : November 09 2020, 08:00 AM , By : Flintstone
What would be the right way to render jinja2 template in the pyramid view for an e-mail message?
What would be the right way to render jinja2 template in the pyramid view for an e-mail message?
I wish this help you I use pyramid_mailer package to send emails in my pyramid app. , Please see the following code:
TAG : python
Date : November 09 2020, 08:00 AM , By : mussab
performing outer addition with numpy
performing outer addition with numpy
this one helps. All universal functions that take two input arguments have an attribute outer:
TAG : python
Date : November 09 2020, 08:00 AM , By : Najma Idrees
pandas Dataframe groupby, sort groups by absolute value
pandas Dataframe groupby, sort groups by absolute value
fixed the issue. Will look into that further Consider simply creating an absolute value column through a defined function, apply the function on a groupby, and then sorting item ascending and absolute value descending. Finally, filter out the newly c
TAG : python
Date : November 09 2020, 08:00 AM , By : Alice
How to make a user defined number of variables
How to make a user defined number of variables
Hope that helps Create a list of tuples where the first item is the ranking. Sort the list and take the ones from the top. BTW, input gives strings which need to be converted to ints.
TAG : python
Date : November 08 2020, 09:00 AM , By : Vivek Rajput
referencing a foreign key not working in SQL
referencing a foreign key not working in SQL
I think the issue was by ths following , The fields in FOREIGN KEY must be present in the table the FK is created upon, item_id is not a field in doctor_who_database3, also FOREIGN KEY is not a command in itself, it should be put in the CREATE TABLE,
TAG : python
Date : November 08 2020, 09:00 AM , By : Vinod Tiwari
Convex Log Optimization with Scipy
Convex Log Optimization with Scipy
I think the issue was by ths following , I need to minimize the function func(x) with randomly initialised guessed data "x" , Something like this should do:
TAG : python
Date : November 08 2020, 09:00 AM , By : user4570612
why some fields are not saved in a OneToOneField model?
why some fields are not saved in a OneToOneField model?
seems to work fine You've confused two concepts here: inheritance and relationships. You've declared MyUser as inheriting from User; that means it automatically gains all the fields from User. But you have also defined a relationship to the User clas
TAG : python
Date : November 08 2020, 09:00 AM , By : priya ankitha
python minesweeper reveal function
python minesweeper reveal function
I think the issue was by ths following , , Quick guess is this:
TAG : python
Date : November 08 2020, 09:00 AM , By : Mahammed Abdrabou
How to setup CSS for multiple font choices?
How to setup CSS for multiple font choices?
this one helps. I want to build a website with Django and I need to create the CSS so that the user can have multiple choices when selecting a font. How do I setup this in CSS in a good way? , Create a css selector for each theme:
TAG : python
Date : November 08 2020, 09:00 AM , By : Cristian Arturo Aria
Find the red circle in video
Find the red circle in video
will be helpful for those in need Well for the color you have to find the right range, for the human eye the bottle cap is red, but for the camera could be orange or something like that. Also is affected by the light so the camera could get some whit
TAG : python
Date : November 08 2020, 09:00 AM , By : John
Returning 'incorrect' regardless
Returning 'incorrect' regardless
I wish did fix the issue. input() will be giving you a string in your useranswer variable. It will need to converted to a number before use, eg a float or an int
TAG : python
Date : November 08 2020, 09:00 AM , By : arthurlee
Finding number of combinations
Finding number of combinations
Hope this helps I realize this may be more of a math problem than an actual programming problem. I'm trying to figure this out with python. , Try the itertools module.
TAG : python
Date : November 08 2020, 09:00 AM , By : Mohd Hafiz Mohd Annu
Python "requests" library: HTTP basic authentication for each request
Python "requests" library: HTTP basic authentication for each request
I wish this help you Use Session(). Documentation states:
TAG : python
Date : November 08 2020, 09:00 AM , By : Naej
How to retrieve the execution ordering of fetches?
How to retrieve the execution ordering of fetches?
I think the issue was by ths following , A reasonable solution is to do re-compute the topological sort in python. Looks like the C++ implementation isn't exposed in the python API. Please let me know if there are situations where this wouldn't work.
TAG : python
Date : November 07 2020, 01:43 PM , By : Krupa
django-registration (1048, "Column 'last_login' cannot be null")
django-registration (1048, "Column 'last_login' cannot be null")
seems to work fine Make sure you have run all the migrations for the auth app. There is a migration 0005_alter_user_last_login_null.py that makes the last_login field optional.
TAG : python
Date : November 07 2020, 01:43 PM , By : Minnie
Logarithmic y axis makes tick labels disappear
Logarithmic y axis makes tick labels disappear
wish helps you The normal behavior for matplotlib is to only label major tick marks in log-scaling --- which are even orders of magnitude, e.g. {0.1, 1.0}. Your values are all between those. You can: rescale your axes to larger bounds,
TAG : python
Date : November 07 2020, 01:43 PM , By : Abdul Wajed
Python splitting text file keeping newlines
Python splitting text file keeping newlines
wish helps you You don't need such complicated way, You can simply use regex and re.findall() to find all the words and new lines:
TAG : python
Date : November 07 2020, 01:43 PM , By : Cody Wang
Eclipse doesn't find libnppc.so.7.0 library to run a python code, containing Opencv commands which use CUDA libraries
Eclipse doesn't find libnppc.so.7.0 library to run a python code, containing Opencv commands which use CUDA libraries
Any of those help I found the solution:Eclipse is looking for cuda folder not cuda-7.0 folder, so I had do build symbolink links of the libraries in cuda-7.0 in cuda folder as well.
TAG : python
Date : November 07 2020, 01:43 PM , By : BuffetOverFlow
Why is raw string performing inconsistently in parenthesis
Why is raw string performing inconsistently in parenthesis
wish of those help In the raw string syntax, escape sequences have no special meaning (apart from a backslash before a quote). The characters \ plus n form two characters in a raw string literal, unlike a regular string literal, where those two chara
TAG : python
Date : November 07 2020, 01:43 PM , By : James Johnson

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