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PYTHON QUESTIONS

Python IF/ELIF statement
Python IF/ELIF statement
this one helps. You should read a single time and after that do the comparisons with the value that was read:
TAG : python
Date : November 07 2020, 01:43 PM , By : Wal
How do I preallocate a matrix of any size and fill it in a for loop in Python
How do I preallocate a matrix of any size and fill it in a for loop in Python
I wish this help you In NumPy you should not write loops.Define your m and l, here called x and y,as arrays:
TAG : python
Date : November 07 2020, 01:43 PM , By : Martyn Figueiredo
AWS worker daemon locks multiple messages even before the first message is processed
AWS worker daemon locks multiple messages even before the first message is processed
To fix the issue you can do Set the HTTP Connection setting under Worker Configuration to 1. This should prevent each server from receiving more than 1 message at a time. You might want to look into changing your autoscaling configuration to monitor
TAG : python
Date : November 07 2020, 01:43 PM , By : Eugene
When should I use fftshift(fft(fftshift(x))) and when fft(x)?
When should I use fftshift(fft(fftshift(x))) and when fft(x)?
it helps some times It really just depends on what you want. The DFT (and hence the FFT) is periodic in the frequency domain with period equal to 2pi.The fft() function will return the approximation of the DFT with omega (radians/s) from 0 to pi (i.e
TAG : python
Date : November 07 2020, 01:43 PM , By : Cindy
how to set rmse cost function in tensorflow
how to set rmse cost function in tensorflow
wish helps you I have cost function in tensorflow.
TAG : python
Date : November 07 2020, 01:43 PM , By : Daniel Newton
unable to completely download nltk package in python. stops at omw
unable to completely download nltk package in python. stops at omw
hop of those help? Are you connecting to the internet with a proxy server? If so, try this:
TAG : python
Date : November 07 2020, 01:43 PM , By : Abdulmalik Ibrahim
matching indexes in python to categorize a column
matching indexes in python to categorize a column
Hope this helps I have a column in a dataframe of length 1083 with 143 unique values. To illustrate my question, 6 of these are: , You could use merge and do something like this:
TAG : python
Date : November 07 2020, 01:43 PM , By : Francisco Valladolid
Related Objects Reference Django
Related Objects Reference Django
I wish did fix the issue. Your code has related_name="images". So ad.images it is.Edit: as shredding notes correctly, you can't use that directly if you want to loop over it, and need to add .all to get a queryset object:
TAG : python
Date : November 07 2020, 01:43 PM , By : SpeedyV
I'm trying to write random numbers to a file and then make a list from lines in Python but list takes '\n' too
I'm trying to write random numbers to a file and then make a list from lines in Python but list takes '\n' too
I wish did fix the issue. The .readlines() methods reads each line including the line ending \n as a list element. You likely want your random numbers as integers anyway. Converting them to int would make your sorting work also:
TAG : python
Date : November 07 2020, 01:43 PM , By : iosdev
NPM not working with update on node js
NPM not working with update on node js
This might help you Try delete your node_modules and do a fresh npm install.Odd number releases, e.g. Node 5.* is also the faster short term support version with the most recent features. Unless you are after specific changes in Node 5, you might pre
TAG : python
Date : November 07 2020, 01:43 PM , By : Aritz Beraza Garayal
numpy.arange makes no sense at all. How does it work?
numpy.arange makes no sense at all. How does it work?
With these it helps It's floating point precision, e.g. see this question: python numpy arange unexpected resultsYou could get around it like so:
TAG : python
Date : November 07 2020, 01:43 PM , By : jm h
My input runs when not supposed to
My input runs when not supposed to
it should still fix some issue my problem here is that I'm trying to make a better, more compressed but still advanced calculator with text outputs and everything. It's still in a very, VERY early stage as I came across a problem. , The comparison yo
TAG : python
Date : November 07 2020, 01:43 PM , By : dev_ua
Finding similar values in two lists using the filter function
Finding similar values in two lists using the filter function
Hope that helps Personally I would use sets to check for inclusion instead of the filter built-in function. Nonetheless, I have included the correct filter function here.
TAG : python
Date : November 07 2020, 01:33 PM , By : Afdael Benigno Miche
Url template tag raises NoReverseMatch error but the generated url is correct
Url template tag raises NoReverseMatch error but the generated url is correct
it helps some times I cannot use {% url %} to generate urls in Django templates. I get the following error: , The key part in the error message is
TAG : python
Date : November 07 2020, 01:33 PM , By : mod_mod
From list of tuples, find tuple with max value for a certain index , where the rest of the tuple is the same
From list of tuples, find tuple with max value for a certain index , where the rest of the tuple is the same
This might help you You might first sort your values, then you will be able to use groupby() to group values with the same two first elements. Finally, max() can retrieve the maximum value for each.
TAG : python
Date : November 07 2020, 01:33 PM , By : Canadianone
Why does my code to send e-mail from python looks much simpler than others?
Why does my code to send e-mail from python looks much simpler than others?
To fix this issue Email started as a simple text service but has expanded over the years to include rich content such as html formatting and attachments. The entire message needs to be assembled into a blob of data that old email gateways can still u
TAG : python
Date : November 07 2020, 01:33 PM , By : saim raza
How to keep only strings in a dataframe column
How to keep only strings in a dataframe column
should help you out I have a dataframe which contains characteristics of many companies. My problem is that in the column 'Facility Name', I found out that there are some rows which have a float value, thus I would like to delete them. In order to do
TAG : python
Date : November 07 2020, 01:33 PM , By : Zachary L. Johnson
What does "dict-like" mean in Python?
What does "dict-like" mean in Python?
should help you out Python uses 'duck-typing':
TAG : python
Date : November 07 2020, 01:33 PM , By : Waael Alamir
django-tables2 Display non-table data
django-tables2 Display non-table data
I wish this help you So reading this page, the format of the data appears to be wrong.https://django-tables2.readthedocs.org/en/latest/pages/table-data.html
TAG : python
Date : November 07 2020, 01:33 PM , By : titane82
Python issues with rounding
Python issues with rounding
wish of those help What is happening? Computers have an internal representation of numbers. In most cases, those representations have a fixed number of bits. This leads to only a fixed amount of numbers being representable. For example, you might kno
TAG : python
Date : November 07 2020, 01:33 PM , By : John Hitz
Python Crawling- TypeError: 'int' object is not iterable
Python Crawling- TypeError: 'int' object is not iterable
will help you Use range() or xrange(), which receive an int and produce an iterable.
TAG : python
Date : November 07 2020, 01:33 PM , By : Donald Jones
I am getting incorrect output from prime number script
I am getting incorrect output from prime number script
it fixes the issue Your program is checking if numbers are odd, not if they're prime. This is the validation you want (from this page)
TAG : python
Date : November 07 2020, 01:33 PM , By : Harrison Fretwell
Python error - list index out of range?
Python error - list index out of range?
help you fix your problem You hard coded the range of your loop and it is probably greater than the length of the listA quick fix is
TAG : python
Date : November 07 2020, 01:33 PM , By : Manuel
How do you change an open file into a list in Python?
How do you change an open file into a list in Python?
will be helpful for those in need You can use data = file.read() to read the contents of the entire file and then array = data.split('\n') to split into separate values. Alternatively, you could use array = data.readlines() or for a in data.readlines
TAG : python
Date : November 07 2020, 01:33 PM , By : doktor-x
Dictreader not working as expected
Dictreader not working as expected
will help you You are trying to re-read from the same file, but forgot to 'rewind' the file. Files have a current file position that is advanced when you read from a file; attempts to read after reaching the end then result in no data being read at a
TAG : python
Date : November 07 2020, 01:33 PM , By : falcon
Python does not state the line of code that an error refers to
Python does not state the line of code that an error refers to
I hope this helps . That's not a Python exception message. That's command line help output.The output is generated by the argparse module, configured here:
TAG : python
Date : November 07 2020, 01:33 PM , By : عبدالنور عبدالنور عب
Python subprocess bash command with output file blocked
Python subprocess bash command with output file blocked
Hope this helps subprocess.Popen returns immediately as soon as the process is started. It doesn't wait for the process to finish. Call subprocess.check_call() instead:
TAG : python
Date : November 07 2020, 01:33 PM , By : Kashaf Shahzadi
pass list to exec and fill it
pass list to exec and fill it
wish of those help I have the following and can't seem to get it right: , Pass in the object as a local or global:
TAG : python
Date : November 07 2020, 01:33 PM , By : SonOfTheStache
How to broadcast across 3d tensor in theano?
How to broadcast across 3d tensor in theano?
Any of those help You can use dimshuffle to add the dimensions necessary to enable broadcasting.Here's a working example:
TAG : python
Date : November 07 2020, 01:32 PM , By : Oliver Sun
Python 2 Selecting a key with a value
Python 2 Selecting a key with a value
I wish this help you All you need is dict.items() and list comprehension:
TAG : python
Date : November 07 2020, 01:32 PM , By : danielv775
External Code Sources Homework
External Code Sources Homework
this will help You replaced the time module you imported at the top with a floating point value here:
TAG : python
Date : November 07 2020, 01:32 PM , By : moana
Identify a variable in minesweeper game
Identify a variable in minesweeper game
it should still fix some issue pikantny is initially set to True, the game only runs as long as it is True, and if the value is set to False (by board.checkSquare(x, y)), the game prints the message "**** BOOM ****". I'd say it represents whether a b
TAG : python
Date : November 07 2020, 01:32 PM , By : agg002
How to find a substring in a string - by specifying the beginning and end of it?
How to find a substring in a string - by specifying the beginning and end of it?
should help you out Your page data changes but the structure is going to be the same. Why not use BeautifulSoup and scrape the particular div/script tag?An example
TAG : python
Date : November 07 2020, 01:32 PM , By : Akash Levy
using multiprocessing with sympy
using multiprocessing with sympy
may help you . I can't see exactly what you want to do, because you haven't posted a complete code snippet… but I can do something approximate.You need to build a function, like the one below. And then use a parallel map. (I'm using the pathos librar
TAG : python
Date : November 07 2020, 01:32 PM , By : ankasarentcar
How to serialize groups of a user with Django-Rest-Framework
How to serialize groups of a user with Django-Rest-Framework
like below fixes the issue I'm trying to get users groups with Django REST framework, but only what I got is empty field named "groups". , You have to specify that it's a nested relationships:
TAG : python
Date : November 07 2020, 01:32 PM , By : user4569524
Why do i get this TypeError: 'int' object is not iterable python?
Why do i get this TypeError: 'int' object is not iterable python?
fixed the issue. Will look into that further The range(0, iterations) object produces integers, not tuples. You are asking the for loop to unpack each integer into two variables:
TAG : python
Date : November 07 2020, 01:32 PM , By : Cary Small
Django ValueError at /imagetarget/ Cannot assign "<SimpleLazyObject: <User: dip7777>>":
Django ValueError at /imagetarget/ Cannot assign "<SimpleLazyObject: <User: dip7777>>":
This might help you Error message , In ImageTargetList.perform_create:
TAG : python
Date : November 07 2020, 01:32 PM , By : Michael H
Update LCD Number countdown
Update LCD Number countdown
wish help you to fix your issue Just adding one line of code to my original code will allow the lcdNumber to display the count...
TAG : python
Date : November 07 2020, 01:32 PM , By : other chaz
how avoid change index to timestamp in pandas dataframe when create a generator
how avoid change index to timestamp in pandas dataframe when create a generator
fixed the issue. Will look into that further actually this is because your index dtype is datetime , to convert it to date you can do the following
TAG : python
Date : November 07 2020, 01:32 PM , By : jim quiter
How to capture and read headers of incoming HTTP requests in Flask?
How to capture and read headers of incoming HTTP requests in Flask?
it helps some times You can use flask.request.headers. It's a werkzeug.datastructures.EnvironHeaders object, but you can use it as a normal dict. For example:
TAG : python
Date : November 07 2020, 01:32 PM , By : Aflah Boufarguine
Nolearn raises an index error when running a classification, but not with regression
Nolearn raises an index error when running a classification, but not with regression
this one helps. In nolearn if you do classification, output_num_units is how many classes you have. While it is possible to implement two class classification with only one output unit, it is not specialcased in such way in nolearn, which follows for
TAG : python
Date : November 07 2020, 09:00 AM , By : Mariani Maurizio
Can't find a way to install python-dev on Mac OS X
Can't find a way to install python-dev on Mac OS X
Hope that helps So it turns out I was wrong about the cause of the problem. It was not because I didn't have the Python headers, it was because I had somehow deleted them all from the homebrew python directory. After some chatting on Freenode's Pytho
TAG : python
Date : November 07 2020, 09:00 AM , By : Periyasamy
How can I repeat a capturing group one or more time and extract matches
How can I repeat a capturing group one or more time and extract matches
I wish did fix the issue. You can chain the matches by using the \G anchor with Python regex package.
TAG : python
Date : November 07 2020, 09:00 AM , By : Billy Baker
Check if a Windows Service exists with Python
Check if a Windows Service exists with Python
I hope this helps . I wrote a program in python that interacts with a Windows service. However, before doing it, I need check if the service is installed. , It seems like a Try-Except block would be the easiest solution:
TAG : python
Date : November 07 2020, 09:00 AM , By : Peter Mikkola
pyspark Linear Regression Example from official documentation - Bad results?
pyspark Linear Regression Example from official documentation - Bad results?
Does that help For starters you're missing an intercept. While mean values of the independent variables are close to zero:
TAG : python
Date : November 07 2020, 09:00 AM , By : Lourdes Cijoli
check if a key exists in a bucket in s3 using boto3
check if a key exists in a bucket in s3 using boto3
it fixes the issue Boto 2's boto.s3.key.Key object used to have an exists method that checked if the key existed on S3 by doing a HEAD request and looking at the the result, but it seems that that no longer exists. You have to do it yourself:
TAG : python
Date : November 07 2020, 09:00 AM , By : Seno
Regular Expression: different results with findall function
Regular Expression: different results with findall function
To fix this issue Since there are two capturing groups present in your first regex, re.findall should return a list of tuples containing exactly two elements of each. Number of items on the tuple is based upon the capturing groups (>=2).In the second
TAG : python
Date : November 07 2020, 09:00 AM , By : Satyajit Mondal
Custom Tkinter Menu Placement
Custom Tkinter Menu Placement
will help you You would need an option menu or a ComboBox. They are menus but on the page not at the top of the screen.Here is the code to add options to the OptionMenu:
TAG : python
Date : November 07 2020, 09:00 AM , By : Fanusi Sunday Olasun
KeyError 43L in python
KeyError 43L in python
I think the issue was by ths following , Your increment of ishould happen in the most inner loop.Assuming that the rows are dictionaries, this could work:
TAG : python
Date : November 07 2020, 09:00 AM , By : Opeyemi Alao
Django-oscar error - django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: staticfi
Django-oscar error - django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: staticfi
wish helps you I am trying to start Django-oscar and have followed the instructions as given here, but when I Try to use python manage.py runserver or python manage.py migrate I am getting the following error. I don't understand what this is, as I am
TAG : python
Date : November 07 2020, 09:00 AM , By : brassman
One legend in python subplots
One legend in python subplots
hop of those help? I changed your code slightly as I personally prefer to work explicitly with figures and axes. See the plt.subplots(x,y) call. For the legend handlers you just missed to add a comma. See e.g. here. Further you misplaced two of the m
TAG : python
Date : November 07 2020, 09:00 AM , By : Santhosh Nagendra
Python Clock Flickering [Pygame]
Python Clock Flickering [Pygame]
this will help OK, I found the solution about 2 minutes after I posted it.Outside of that code, I had this:
TAG : python
Date : November 06 2020, 09:01 AM , By : Bram
Gunicorn - Where do Unix sockets come from?
Gunicorn - Where do Unix sockets come from?
wish helps you You are using unix file system sockets. These are not regular files, so they might look empty when inspected with cat.A peculiarity of unix file system sockets is that they must not exist before an application tries to bind for the pat
TAG : python
Date : November 06 2020, 09:01 AM , By : Alok Patel
ValueError: time data '2013/05/24 07:00:00' does not match format '%Y-%m-%d %H:%M:%S'
ValueError: time data '2013/05/24 07:00:00' does not match format '%Y-%m-%d %H:%M:%S'
fixed the issue. Will look into that further Time in your title is in a different format than the one in the file you provided, and both of them do not match the format.For the time in the file you need '%d/%m/%Y %H:%M', for the time in your title yo
TAG : python
Date : November 06 2020, 09:01 AM , By : Khizer Younas
Form list of strings from list of chars in Python
Form list of strings from list of chars in Python
To fix this issue All you need to join.
TAG : python
Date : November 06 2020, 09:01 AM , By : Amitav Patil
How can I read and change a specific line in python using enumerate?
How can I read and change a specific line in python using enumerate?
Any of those help The "line = '2'" only means to change the variable in memory to '2'. The file content remains untouched. Then, you write the '2' to test2.py. It just appends '2' to test2.py.I thought it would throw an error when writing to a file o
TAG : python
Date : November 06 2020, 09:01 AM , By : Sadeq.Al
Run Ecplise/PyDev project from command line
Run Ecplise/PyDev project from command line
wish helps you A clean, quick and modular way to include certain python from anywhere on your system is to make a file named mymodule.pth and put it inside the path of site-packagesmymodule.pth should have the path of your project. Project folder mus
TAG : python
Date : November 06 2020, 09:01 AM , By : Smooth Operator
Faster way to search strings in big file with python
Faster way to search strings in big file with python
wish helps you You can convert some of the lists into generators, which reduces the memory consumption considerably. Only the N4 list must be in memory, because it is traversed many times:
TAG : python
Date : November 06 2020, 09:01 AM , By : Nishan Rayamajhee
Modifying increment value in for loop
Modifying increment value in for loop
it fixes the issue Java for loops are different from Python's. You an use a while loop for the same effect.
TAG : python
Date : November 06 2020, 09:01 AM , By : Santosh humagain
python: What does the "+" mean in the slicing object?
python: What does the "+" mean in the slicing object?
may help you . As I read the mayavi mesh example, I don't know what the "+" means in the slicing object. , It's just the numerical addition...
TAG : python
Date : November 06 2020, 09:01 AM , By : fatkhur arief

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