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Showing posts from November, 2022

What Is The De Facto Library For Creating Python Daemons

I am attempting to use the python-daemon library which seemed to me to be the safest way to create … Read more What Is The De Facto Library For Creating Python Daemons

TypeError: 'numpy.float64' Object Does Not Support Item Assignment - Similar Code, Error Raises

I am writing a Molecular Dynamics code and for that I have a function that computes forces between … Read more TypeError: 'numpy.float64' Object Does Not Support Item Assignment - Similar Code, Error Raises

Python Write To Hdfs File

What is the best way to create/write/update a file in remote HDFS from local python script? I am a… Read more Python Write To Hdfs File

Use Integer Keys In Berkeley DB With Python (using Bsddb3)

I want to use BDB as a time-series data store, and planning to use the microseconds since epoch as … Read more Use Integer Keys In Berkeley DB With Python (using Bsddb3)

How To Install Python Module Without Pip After We Download The Module To Local Folder

we can download the module - requests , as the following cd /home/module/ pip download requests ls … Read more How To Install Python Module Without Pip After We Download The Module To Local Folder

Numpy Genfromtxt Issues In Python3

I'm trying to use genfromtxt with Python3 to read a simple csv file containing strings and numb… Read more Numpy Genfromtxt Issues In Python3

SQLAlchemy Best Way To Define __repr__ For Large Tables

I have a bunch of tables in SQLAlchemy that I want to define __repr__. The standard convention seem… Read more SQLAlchemy Best Way To Define __repr__ For Large Tables

How To Get On Hover Animation Of Pygal Graphs In Ipython On Mac Osx

I have just started using pygal in ipython after installing CairoSVG with pip and Cairo with homebr… Read more How To Get On Hover Animation Of Pygal Graphs In Ipython On Mac Osx

How To Unittest Unittest TestCases

I have a unittest.TestCase child, which defines several domain specific assert Checks. I would like… Read more How To Unittest Unittest TestCases

How To Use Scrapy With Both Splash And Tor Over Privoxy In Docker Compose

I'm trying to run a Scrapy spider with two 'extensions': Splash for rendering JavaScri… Read more How To Use Scrapy With Both Splash And Tor Over Privoxy In Docker Compose

Tensor Multiplication With Numpy Tensordot

I have a tensor U composed of n matrices of dimension (d,k) and a matrix V of dimension (k,n). I w… Read more Tensor Multiplication With Numpy Tensordot

Pyinstaller Onefile Not Including Data Files

I have an application I would like to package into a single file, but am running into issues with t… Read more Pyinstaller Onefile Not Including Data Files

What Syntax Is Represented By An ExtSlice Node In Python's AST?

I'm wading through Python's ast module and can't figure out the slices definition: slic… Read more What Syntax Is Represented By An ExtSlice Node In Python's AST?

Django Email Sending Error

i'm trying to get a contact form on a personal site to work. i'm using the smtp outlook. R… Read more Django Email Sending Error

Pipelining Transformer Stages In IBEX, Column Access Problems In Scikit-Learn And Pandas

I'm trying to create a scikit-learn based pipeline to pipeline through a pandas dataframe. At e… Read more Pipelining Transformer Stages In IBEX, Column Access Problems In Scikit-Learn And Pandas

Py2neo - Neo4j - System Error - Create Batch Nodes/Relationships

Attempting to batch create nodes & relationships - batch creation is failing - Traceback at end… Read more Py2neo - Neo4j - System Error - Create Batch Nodes/Relationships

Using Selenium On Calendar Date Picker

I am trying to pick a date (01/01/2011) from a calendar on this page. https://cotthosting.com/NYRoc… Read more Using Selenium On Calendar Date Picker

Softlayer - Getting Bandwidth Usage Per Datacenter

I'm using softlayer API for python and i wish to get the bandwidth consumed by each datacenter … Read more Softlayer - Getting Bandwidth Usage Per Datacenter

Convert QueryDict To Key-value Pair Dictionary

I have a QueryDict that I get from request.POST in this format: Solution 1: You can use list co… Read more Convert QueryDict To Key-value Pair Dictionary

How Can I Parse A Numpydoc Docstring And Access Components?

I'd like to parse a numpydoc docstring and access each component programatically. For example: … Read more How Can I Parse A Numpydoc Docstring And Access Components?

Layer Image With Opacity Over The Top Of Another Image. - OpenCV

Edit Anybody with a similar problem - I found another SO answer here with a great python solution t… Read more Layer Image With Opacity Over The Top Of Another Image. - OpenCV

Numpy: Subtract Matrix From All Elements Of Another Matrix Without Loop

I have two matrices X,Y of size (m x d) and (n x d) respectively. Now i want to subtract the whole … Read more Numpy: Subtract Matrix From All Elements Of Another Matrix Without Loop

Django Rest-farmework Nested Relationships

Using django rest-farmework to implement the API, there is a problem in the nested relationship her… Read more Django Rest-farmework Nested Relationships

Repeat Each Value Of An Array Two Times (numpy)

Let A be a numpy array like : A = np.array([1, 2, 3, 4, 5]) I want to find the cleaner way to pro… Read more Repeat Each Value Of An Array Two Times (numpy)

How To Decode Jpg Image From Memory?

I can read a jpg image from disk via PIL, Python OpenCV, etc. into a numpy array via some built-in … Read more How To Decode Jpg Image From Memory?

If Y>0.0 And X -y>=-Q1: ValueError: The Truth Value Of An Array With More Than One Element Is Ambiguous. Use A.any() Or A.all()

I have been trying to get this to work for a while now, but still not finding a way. I am trying to… Read more If Y>0.0 And X -y>=-Q1: ValueError: The Truth Value Of An Array With More Than One Element Is Ambiguous. Use A.any() Or A.all()

Boto Credential Error With Python On Windows

I have been working on trying to sign in on Boto via python for the last few hours and can't se… Read more Boto Credential Error With Python On Windows

All Possible Replacements Of Two Lists?

(I am aware that the title of the question might be misleading, but I could not find any other way … Read more All Possible Replacements Of Two Lists?

Minimax Python - How To Efficiently Find Alternating Max And Mins In A Tree

The following code I'm using to minimax a tree looks awful. Surely there is a way to simplify t… Read more Minimax Python - How To Efficiently Find Alternating Max And Mins In A Tree

How To Round Numeric Output From Yaml.dump, In Python?

Is there a clean way to control number rounding output of yaml.dump? For example, I have a class wi… Read more How To Round Numeric Output From Yaml.dump, In Python?

Python Int Too Large To Put In SQLite

I am getting the error OverflowError: Python int too large to convert to SQLite INTEGER from the… Read more Python Int Too Large To Put In SQLite

Multiple Conditions On Dataframes

I'm trying to write a new column 'is_good' which is marked 1 if the data sets in 'v… Read more Multiple Conditions On Dataframes