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PYTHON QUESTIONS

Is it possible to access C++ headers/libraries and run a C++ script within a python console?
Is it possible to access C++ headers/libraries and run a C++ script within a python console?
it fixes the issue Check out boost.python Here is an intro:
TAG : python
Date : January 02 2021, 06:48 AM , By : Bado
The order of the for loops affect the outcome
The order of the for loops affect the outcome
wish of those help It's because you've consumed the file handle already in the first loop. A simple example might be:
TAG : python
Date : January 02 2021, 06:48 AM , By : Mihai Mocanu
Dynamiclly sized subplots added in a loop
Dynamiclly sized subplots added in a loop
wish helps you I'm very new to graphing in python and I'm having trouble creating a subplot. , add_subplot takes three arguments:
TAG : python
Date : January 02 2021, 06:48 AM , By : user105769
Is there a way to force close an opened COM port device?
Is there a way to force close an opened COM port device?
like below fixes the issue I'm pretty sure that if LabVIEW crashes, the operating system releases all hardware resources on its behalf.But keep in mind that LabVIEW is a runtime environment in which child programs run. So if the child program aborted
TAG : python
Date : January 02 2021, 06:48 AM , By : micate
Get an array of values from a key inside a dict object that it is also a dict
Get an array of values from a key inside a dict object that it is also a dict
fixed the issue. Will look into that further I am trying to transform the response object: , Some fixes for your code
TAG : python
Date : January 02 2021, 06:48 AM , By : Scott Everts
Pandas - Conditions on List as Datatype
Pandas - Conditions on List as Datatype
this one helps. Say I have this dataframe: , comprehension
TAG : python
Date : January 02 2021, 06:48 AM , By : codelurker
Python Class recurrence
Python Class recurrence
help you fix your problem This isn't recursion in a way that would eat up the call stack, which is what sys.setrecursionlimit deals with:
TAG : python
Date : January 02 2021, 06:48 AM , By : Neuromaster
How to change cell's background color of a QTableView
How to change cell's background color of a QTableView
may help you . I have a table view displaying a QAbstractTableModel, I managed to color a row within the data function but I just want to color the cell and not the entire row. i.e if the cell value = "In error" I want to color it in red , Try it:
TAG : python
Date : January 02 2021, 06:48 AM , By : Eric
How To Use boto3 To Retrieve S3 File Size
How To Use boto3 To Retrieve S3 File Size
wish of those help You can use boto3 head_object for thisHere's something that will get you the size. Replace bucket and key with your own values:
TAG : python
Date : January 02 2021, 06:48 AM , By : Suresh S
How to calculate an array of stock prices using simulated returns?
How to calculate an array of stock prices using simulated returns?
this will help IIUC, use cumprod:
TAG : python
Date : January 02 2021, 06:48 AM , By : demize95
how to check time between 7 00 and 18 00
how to check time between 7 00 and 18 00
Does that help i have problem with this script. , You can retrieve the hour from what time.localtime() returns:
TAG : python
Date : January 02 2021, 06:48 AM , By : Vlad Sirenko
Why does (a,b)=(b,a) work when a=b+a; b=a doesn't?
Why does (a,b)=(b,a) work when a=b+a; b=a doesn't?
wish of those help Multiple assignment is implicitly creating a temp variable for you. Your code is assigning a new value to a, and when you use it again it'll have the new value, not the old one:
TAG : python
Date : January 02 2021, 06:48 AM , By : SA.
What Tool / App To Use For Running Django Function Periodically (Once A Day)?
What Tool / App To Use For Running Django Function Periodically (Once A Day)?
I wish this help you Using Celery to run periodic tasks is relatively straightforward.If you don't want to use Celery at all, you could write a custom management command and invoke it periodically via a cron job.
TAG : python
Date : January 02 2021, 06:48 AM , By : Reiner
How to change a color when a number increases?
How to change a color when a number increases?
it fixes the issue This is more a question about how color works. You notice it's a 3-tuple:
TAG : python
Date : January 02 2021, 06:48 AM , By : Monev
Efficient way to loop over 2D array
Efficient way to loop over 2D array
wish of those help We generally avoid using double-for loop with numpy; it's slow and with smart indexing (array[:, i-N]...) we can do a lot in a single loop.But for your convolution problem, it might be the easiest ~~(and only ?)~~ way to do what yo
TAG : python
Date : January 02 2021, 06:48 AM , By : nabbed
Rewrite to dictionary comprehensions
Rewrite to dictionary comprehensions
fixed the issue. Will look into that further I want to count occurrence of all letters in a word using dictionary. So far I've tried adding to dict in for loop. , Sure it is possible.
TAG : python
Date : January 02 2021, 06:48 AM , By : zdyne
How to fit experimental data in Python to inverse trigonometric function with limited definition area using scipy.curve_
How to fit experimental data in Python to inverse trigonometric function with limited definition area using scipy.curve_
I think the issue was by ths following , As HS-nebula mentioned in his comments, you need to define an initial value a0 of a as a start guess for the curve-fitting. Moreover, you need to be careful when choosing a0 as your np.arcos() is only defined
TAG : python
Date : January 02 2021, 06:48 AM , By : Jonathan
ModuleNotFoundError: No module named 'cPickle' on Python 3.7.3
ModuleNotFoundError: No module named 'cPickle' on Python 3.7.3
will be helpful for those in need A common pattern in Python 2.x is to have one version of a module implemented in pure Python, with an optional accelerated version implemented as a C extension; for example, pickle and cPickle. This places the burden
TAG : python
Date : January 02 2021, 06:48 AM , By : Alpinfish
extract value from dictionary in dataframe
extract value from dictionary in dataframe
may help you . I have dataframe with one of column:
TAG : python
Date : January 02 2021, 06:48 AM , By : Cosmin
RuntimeError: tf.placeholder() is not compatible with eager execution
RuntimeError: tf.placeholder() is not compatible with eager execution
I hope this helps you . I found an easy solution here: disable Tensorflow eager executionBasicaly it is:
TAG : python
Date : January 02 2021, 06:48 AM , By : WuJanJai
Python : ENUM class elements are not reachable for built-in dir() function
Python : ENUM class elements are not reachable for built-in dir() function
will be helpful for those in need Somewhere in the early 3.x line, dir() became implementable as the __dir__ method on a class, and Enum takes advantage of that to only show the four __xxx__ attributes and any members.The reason that a, b, and c are
TAG : python
Date : January 02 2021, 06:48 AM , By : unfool
Getting "'NoneType' object has no attribute 'items'" error with PIL library
Getting "'NoneType' object has no attribute 'items'" error with PIL library
To fix the issue you can do 1st, you should not be relying on internal functions such as _get_exif() because their implementation can change at any time and they are usually not meant for public use. (See _single_leading_underscore from PEP8 naming c
TAG : python
Date : January 02 2021, 06:48 AM , By : user104292
Scraping with Selenium in Python
Scraping with Selenium in Python
hope this fix your issue I would like to scraper the Santander website. But the code I use doesn't work, since when I run twice, I get different amounts. , Here is a suggestion using requests :
TAG : python
Date : January 02 2021, 06:48 AM , By : Tink
Drag and drop files in Tkinter GUI
Drag and drop files in Tkinter GUI
I wish did fix the issue. Unfortunately, tkinter only supports experimental widget drag and drop, nothing else. I ran into similar problems trying to make a complex GUI. I would look into wxPython. It's complex, Object Oriented, and daunting, but has
TAG : python
Date : January 02 2021, 06:48 AM , By : phil
Python 2.x and 3.x sourceless .pyc deployment
Python 2.x and 3.x sourceless .pyc deployment
seems to work fine Python 3 will make use of .pyc files in the same location if there is no .py file or __pycache__ directory. Note that Python 3 explicitly refuses to load __pycache__ files if the source file is missing, for source-less distribution
TAG : python
Date : January 02 2021, 06:48 AM , By : Ram
MongoDB referencing parameter value
MongoDB referencing parameter value
I think the issue was by ths following , I have a small mongo DB and I am trying to write code that will reverence the value of parameters (keys) imbedded in a document. , Your filter should have brackets:
TAG : python
Date : January 02 2021, 06:48 AM , By : Adam May
How to call Python from MATLAB R2019a?
How to call Python from MATLAB R2019a?
To fix the issue you can do If your MATLAB version is new enough (the following definitely works on R2019a), MATLAB has builtin support for calling python functions.Say module is your python library that you downloaded and you want to use a function
TAG : python
Date : January 02 2021, 06:48 AM , By : terrestrial
Why is rstrip() not removing trailing whitespace?
Why is rstrip() not removing trailing whitespace?
should help you out rstrip() returns a right stripped string. It is not in place.You want:
TAG : python
Date : January 02 2021, 06:48 AM , By : user87752
How to fix "tuple object has no attribute"?
How to fix "tuple object has no attribute"?
I wish this help you I'm doing a homework problem, and I keep getting an error that the tuple in the __init__ function has no age attribute, but it does.
TAG : python
Date : January 02 2021, 06:48 AM , By : dummyadresse
a large enough problemSize in C++ takes 0 run time
a large enough problemSize in C++ takes 0 run time
it fixes the issue This is what happens when people forget what C++ is. Your source code is not a sequence of instructions for the computer chip to execute one at a time. It is a description of a program. It is an abstraction.People like to talk abou
TAG : python
Date : January 02 2021, 06:48 AM , By : Ivan Kitanovski
How to compute CategoricalCrossentropy using TensorFlow 2.0?
How to compute CategoricalCrossentropy using TensorFlow 2.0?
I hope this helps you . From the docs, to compute the cross entropy, use,
TAG : python
Date : January 02 2021, 06:48 AM , By : static AG
How to make sure every element in a list is checked while removing certain ones
How to make sure every element in a list is checked while removing certain ones
seems to work fine I have a multidimensional list with a layout like this , Instead of your for loops you could use the python filter.
TAG : python
Date : January 02 2021, 06:48 AM , By : platformNomad
How to pass string to shell script
How to pass string to shell script
wish helps you This is a bug in your shell script, not in your Python.Quote your arguments to prevent them from being word-split, and then having each word separately processed as a glob:
TAG : python
Date : January 02 2021, 06:48 AM , By : James
ArgumentError occurs only after first time running
ArgumentError occurs only after first time running
I wish this helpful for you Had a similar issue, found a solution in this post:https://stackoverflow.com/a/55057636/9752709
TAG : python
Date : January 02 2021, 06:48 AM , By : meehan
Implementing one dimensional drag operation in Qt
Implementing one dimensional drag operation in Qt
I wish did fix the issue. The problem is reduced to calculate the projection of the point (position of the item) on the line. Doing a little math as explained in this post.Let p1 and p2 be two different points on the line and p the point then the alg
TAG : python
Date : January 02 2021, 06:48 AM , By : Vrki
How to add up the numerical representation of each character
How to add up the numerical representation of each character
Any of those help You can iterate over the elements and sum up the ord values
TAG : python
Date : January 02 2021, 06:48 AM , By : user123585
Correct way to manage multiple resources with context managers
Correct way to manage multiple resources with context managers
it should still fix some issue As mentioned in the comments, ExitStack does exactly this.
TAG : python
Date : January 02 2021, 06:48 AM , By : user176691
Unable to connect redis from python inside docker container
Unable to connect redis from python inside docker container
Any of those help The container is running only the python server, not redis. You should initiate the redis server on another container (probably the redis default image will do). And make the python server point to it.You are lucky, because the comp
TAG : python
Date : January 02 2021, 06:48 AM , By : PeteFilicetti
How to grab string(ip) from netstat pipe the string(ip) to whois command, grab a string(country) from whois output. And
How to grab string(ip) from netstat pipe the string(ip) to whois command, grab a string(country) from whois output. And
I hope this helps . Here is an example written in bash,
TAG : python
Date : January 02 2021, 06:48 AM , By : Mahyar Sepehr
Join two huge file without chunking with pandas
Join two huge file without chunking with pandas
may help you . You read df2 chunk by chunk but since you append all the chunks, your resulting chunk is of the same size as your file2. What you could do, if you are able to fully load your df1, is to join your df2 chunk by chunk like so :
TAG : python
Date : January 02 2021, 06:48 AM , By : johntynan
How Acess Docker Database Created by Azure-iot-edge By outside Apllication ( Like Python)?
How Acess Docker Database Created by Azure-iot-edge By outside Apllication ( Like Python)?
wish help you to fix your issue Although your code use username = 'su' where it should be username = 'sa', but I guess it is not the issue because you are getting a timeout.I guess you are connecting the database inside the container with python code
TAG : python
Date : January 02 2021, 06:48 AM , By : codelurker
Robot Framework Test Cases creation via robot API
Robot Framework Test Cases creation via robot API
To fix the issue you can do I don't think any such thing is supported by the robot API. You'll have to create your own function to convert an in-memory test suite to a file.
TAG : python
Date : January 02 2021, 06:48 AM , By : Edwin
disable `functools.lru_cache` from inside function
disable `functools.lru_cache` from inside function
hope this fix your issue You can't disable the cache from inside the decorated function. However, you can simplify your code a bit by accessing the function directly via the __wrapped__ attribute.From the documentation:
TAG : python
Date : January 02 2021, 06:48 AM , By : SA.
Is there a more pythonic way to write multiple comparisons
Is there a more pythonic way to write multiple comparisons
wish helps you I am writing a simple card game (Similar to Snap). I've got it working, without problems, but I feel that there ought to be a more elegant solution. Given a set of win conditions: , Create a new dictionary with Y, R, B each mapping to
TAG : python
Date : January 02 2021, 06:48 AM , By : Epora75
Create a sublist that only contains all the numbers of a list until it reaches a certain number
Create a sublist that only contains all the numbers of a list until it reaches a certain number
may help you . How about you make a sublist out of the initial array from 0 to the first occurrence of 9.
TAG : python
Date : January 02 2021, 06:48 AM , By : afarouk
Python: Appending empty list with list overwrites previously added list
Python: Appending empty list with list overwrites previously added list
I wish did fix the issue. I am trying to add all processed lists (removed empty list items, removed all \n and \r etc.) to empty list called allOrders. Problem is that after the code is executed allOrders contains only the list that was appended as t
TAG : python
Date : January 02 2021, 06:48 AM , By : David
unused variable 'i' pylint(unused-variable)
unused variable 'i' pylint(unused-variable)
fixed the issue. Will look into that further As Pylint states, you aren't using the i variable.If you really plan on not using it, change it to _ and Pylint should ignore it.
TAG : python
Date : January 02 2021, 06:48 AM , By : Angel Paunchev
Getting extra single quotes in output
Getting extra single quotes in output
help you fix your problem This is the expected behavior when dealing with a list of strings in python.Example
TAG : python
Date : January 02 2021, 06:48 AM , By : Tonix
Summing the first variable in each element in a list
Summing the first variable in each element in a list
it helps some times sum() - Takes an iterable and returns the sum of items in it. it only works with numerical values, trying to use it with non-numeric type will result in an error. more details
TAG : python
Date : January 02 2021, 06:48 AM , By : user186012
Does Cython container not release memory?
Does Cython container not release memory?
I hope this helps you . Effects your are seeing are more or less implementation details of your memory allocator (possible glibc's default allocator). glibc's memory allocator works as follows: requests for small memory sizes are satisfied from arena
TAG : python
Date : January 02 2021, 06:48 AM , By : Ansari
How do I install Pytorch offline?
How do I install Pytorch offline?
wish helps you An easy way with pip: Create an empty folder pip download torch using the connected computer. You'll get the pytorch package and all its dependencies. Copy the folder to the offline computer. You must be using the same python setup on
TAG : python
Date : January 02 2021, 06:48 AM , By : user185144
Use Python to manage content in "Enterprise Architect" software from "sparx systems"
Use Python to manage content in "Enterprise Architect" software from "sparx systems"
I think the issue was by ths following , Currently i am working with enterprise architect software for creating packages, diagrams. , Sure, that's no problem.
TAG : python
Date : January 02 2021, 06:48 AM , By : user182203
How do I make my web scraping script more robust?
How do I make my web scraping script more robust?
should help you out That data come from a XHR. So just use requests to post your values and parse the response with json.loadsUse your browser network tab to see what the request looks like.
TAG : python
Date : January 02 2021, 06:48 AM , By : agjimenez
list only stops once the element of the list is the number 7
list only stops once the element of the list is the number 7
should help you out List comprehensions really are for making mapping/filtering combinations. If the length depends on some previous state in the iteration, you're better off with a for-loop, it will be more readable. However, this is a use-case for
TAG : python
Date : January 02 2021, 06:48 AM , By : toma
Insert character at a specific place in a string
Insert character at a specific place in a string
like below fixes the issue I have the following issue. I would like to insert "," after each ")" in the following string from a specific Column. , Use str.replace():
TAG : python
Date : January 02 2021, 06:48 AM , By : Hugo Hernan Buitrago
VS Code: Can't load anaconda environment on Python Interactive
VS Code: Can't load anaconda environment on Python Interactive
like below fixes the issue I'm a developer on the Interactive Windows. Priyatham has already pointed you in the right direction. Currently our Window tries to use the currently selected environment (the one in the lower left corner). But we didn't wa
TAG : python
Date : January 02 2021, 06:48 AM , By : Bado
I want to sort a dataframe based on the difference of two rows of a single column
I want to sort a dataframe based on the difference of two rows of a single column
hope this fix your issue First you need to calculate the differences for each item type. One of the ways, how to do this with pandas would be to use pivot_tables. Here you tell it which dataframe (df), based on which columns to calculate (values="Tot
TAG : python
Date : January 02 2021, 06:48 AM , By : Mihai Mocanu
Python 3 ModuleNotFoundError: No module named 'lot'
Python 3 ModuleNotFoundError: No module named 'lot'
wish help you to fix your issue As python 3 doesn't support Implicit relative import. You can use explicit relative import.Try using the following line instead of import lot in parking.py
TAG : python
Date : January 02 2021, 06:48 AM , By : Zinovate
Swap axes after plot object created in bokeh
Swap axes after plot object created in bokeh
Any of those help It's unclear why you would ever need to update a plot a plot in place in this manner outside a Bokeh server application, which actually keeps live objects in sync across the Python/JS runtime. In standalone HTML output there is lite
TAG : python
Date : January 02 2021, 06:48 AM , By : Alex Sadzawka
Regex for a letter followed by space and quotations ( ")
Regex for a letter followed by space and quotations ( ")
Hope that helps Your lookbehind is missing the less-than sign: (?=[a-z]) -> (?
TAG : python
Date : January 02 2021, 06:48 AM , By : Martin

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