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Showing posts from February, 2023

Overload All Arithmetic Operators In Python

Suppose I build a class that basically represents a number plus some fancy stuff. Instances of that… Read more Overload All Arithmetic Operators In Python

Return XPath Attribute Value With ElementTree

I want to evaluate XML documents with this kind of structure: ... where Service_name tag name is… Read more Return XPath Attribute Value With ElementTree

Two Apparently Equal Python Unicode UTF8-encoded Strings Don't Match

>>> str1 = unicode('María','utf8') >>> str2 = u'María'.en… Read more Two Apparently Equal Python Unicode UTF8-encoded Strings Don't Match

Python Recursive Function Missing Results

Coming from Python recursively appending list function Trying to recursively get a list of permiss… Read more Python Recursive Function Missing Results

Extending CSS Selectors In BeautifulSoup

The Question: BeautifulSoup provides a very limited support for CSS selectors. For instance, the on… Read more Extending CSS Selectors In BeautifulSoup

Pypyodbc - Invalid Cursor State When Executing Stored Procedure In A Loop

I have a python program which uses pypyodbc to interact with MSSQL database. A stored procedure is… Read more Pypyodbc - Invalid Cursor State When Executing Stored Procedure In A Loop

Find: Missing Argument To `-exec' When Using Subprocess

'find / -name 'testmkv-27311.mkv' -exec bash -c 'ffmpeg -i testmkv-27311.mkv -vcode… Read more Find: Missing Argument To `-exec' When Using Subprocess

Sqlalchemy: Alembic Bulk Insert Fails: 'str' Object Has No Attribute '_autoincrement_column'

My model looks like class Category(UserMixin, db.Model): __tablename__ = 'categories' … Read more Sqlalchemy: Alembic Bulk Insert Fails: 'str' Object Has No Attribute '_autoincrement_column'

Conversion From Matlab To Python Of Repmat

I want to convert the given matlab code to python img_o = repmat(fill_value, osize); here fill_val… Read more Conversion From Matlab To Python Of Repmat

Functions In Tkinter

So I am practicing using Tkinter with python, and I am just trying to learn the basics. My code rig… Read more Functions In Tkinter

Unable To Install GDB With Python Support

The thing is, I want to have python support in my GDB installation. When I ran ./configure --with-p… Read more Unable To Install GDB With Python Support

Count Elements In A List Python

I need to be able to count how many of the string 'O' is in my list top_board = [ [Non… Read more Count Elements In A List Python

Reading *.mhd/*.raw Format In Python

Can anyone please tell me the way I can read a dataset containing .mhd/.raw files in python? Solu… Read more Reading *.mhd/*.raw Format In Python

Sort List Of Dictionaries Based On Keys Inside The List

How can I sort this based on the key in dictionary? df1 = [('f', {'abe': 1}), ('… Read more Sort List Of Dictionaries Based On Keys Inside The List

How To Check If A Youtube Video Exists Using Python?

I've got a this simple function, that checks if a website exists: def try_site(url): reques… Read more How To Check If A Youtube Video Exists Using Python?

Tensorflow LSTM Error (ValueError: Shapes Must Be Equal Rank, But Are 2 And 1 )

I know this questions have been asked many times but i am kind of new to tensorflow and none of the… Read more Tensorflow LSTM Error (ValueError: Shapes Must Be Equal Rank, But Are 2 And 1 )

Unit Test Foreign Key Constraints In Django Models

I have 2 models defined, one of which is referenced to other via foreign key relation. I want to wr… Read more Unit Test Foreign Key Constraints In Django Models

Python: How To Get String Between Matches?

I have FILE = open('file.txt', 'r') #long text file TEXT = FILE.read() #long ident… Read more Python: How To Get String Between Matches?

Looking For The Fastest Way To Find The Exact Overlap Between Two Arrays Of Equal Length In Numpy

I am looking for the optimal (fastest) way to find the exact overlap between two arrays in numpy. G… Read more Looking For The Fastest Way To Find The Exact Overlap Between Two Arrays Of Equal Length In Numpy

Calculate The Jacobian Of The Tetrahedral Mesh Generated From Scipy's Delaunay Function

I am trying to use the function Delaynay of scipy to generate a tetrahedral mesh. From the source c… Read more Calculate The Jacobian Of The Tetrahedral Mesh Generated From Scipy's Delaunay Function

Concatenate 3D Numpy Arrays By Row

I have the following 2 3D numpy arrays that I want to concatenate. The arrays look like this: a = n… Read more Concatenate 3D Numpy Arrays By Row

Split Twitter RSS String Using Python

I am trying to parse Twitter RSS feeds and put the information in a sqlite database, using Python. … Read more Split Twitter RSS String Using Python

How NOT To Wait For A Thread To Finish In Python

In this question, he actually asked something like what I want. Except that the answer was to remov… Read more How NOT To Wait For A Thread To Finish In Python

How To Use Elasticsearch.helpers.streaming_bulk

Can someone advice how to use function elasticsearch.helpers.streaming_bulk instead elasticsearch.h… Read more How To Use Elasticsearch.helpers.streaming_bulk

Extract Column From CSV File To Use As Nodelist In NetworkX

I have a CSV file with 2 columns: user and locations. I want to create two lists: one with only use… Read more Extract Column From CSV File To Use As Nodelist In NetworkX

Error Accessing Class Objects In Python

I am having some problem accessing class instances. I am calling the class from a procedure, name o… Read more Error Accessing Class Objects In Python