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Showing posts from October, 2024

How To Plot Files With Numpy?

I have a .dat file that contains two columns of numbers so it looks something like this: 111 112… Read more How To Plot Files With Numpy?

Why Do I Get A Keyerror?

This is my code: import web import json urls = ( '/', 'index' '/runs&#… Read more Why Do I Get A Keyerror?

Making Image White Space Transparent, Overlay Onto Imshow()

I have a plot of spatial data that I display with imshow(). I need to be able to overlay the cryst… Read more Making Image White Space Transparent, Overlay Onto Imshow()

Pandas Ewm Var And Std

I unsuccessfully tried to replicate the calculation of exponential weighted moving variance. here i… Read more Pandas Ewm Var And Std

Convert A .sav File To .csv File In Python

I want to convert the contents of *.sav file into a *.csv file in Python. I have written the follow… Read more Convert A .sav File To .csv File In Python

Workaround To Install Cmake On Gcp App Engine Standard Environment

I need to install dlib package on App Engine Standard for an application that requires cmake. Below… Read more Workaround To Install Cmake On Gcp App Engine Standard Environment

Permission Denied Doing Os.mkdir(d) After Running Shutil.rmtree(d) In Python

Very often in the Windows 7 console if I run a python program twice very quickly that does if os.pa… Read more Permission Denied Doing Os.mkdir(d) After Running Shutil.rmtree(d) In Python

How To Select An Element Based On A Polyline Using Selenium And Python?

I am trying to select and click on an element in Selenium, but it doesn't have the typical tags… Read more How To Select An Element Based On A Polyline Using Selenium And Python?

Executing An R Script From Python

I have an R script that makes a couple of plots. I would like to be able to execute this script fr… Read more Executing An R Script From Python

Using 'in' To Test For Part Of One Sublist In Another In Python

Newbie here trying to search for part of one sublist within another sublist. list_1 = [[1, 2, 9], … Read more Using 'in' To Test For Part Of One Sublist In Another In Python

How To Mark Specific Data Points In Matplotlib Graph

I have a plot that I want to mark some values of x on the graph like in the following image, (p.s. … Read more How To Mark Specific Data Points In Matplotlib Graph

Plot A Graph, Clear Its Axes, Then Plot A New Graph

I'm trying to do the following: create a figure, plot a graph on it, then in 3 seconds clear it… Read more Plot A Graph, Clear Its Axes, Then Plot A New Graph

How Do I Get My Computer's Fully Qualified Domain Name In Python?

I know I can use platform.node() to get my computer's network name: >>> import platfor… Read more How Do I Get My Computer's Fully Qualified Domain Name In Python?

Passing A Multiprocessing Queue/dictionary/etc.. To Green Threads

Is it safe to pass a multiprocessing object (queue, dictionary, etc...) to multiple gevent threads?… Read more Passing A Multiprocessing Queue/dictionary/etc.. To Green Threads

Set Database Connection Timeout In Python

I'm creating a RESTful API which needs to access the database. I'm using Restish, Oracle, … Read more Set Database Connection Timeout In Python

Cmake Can Not Find Pythonlibs While Building Opencv

so Im trying to cross-compile OpenCV for an arm device and while running cmake, I noticed in the ou… Read more Cmake Can Not Find Pythonlibs While Building Opencv

Plot /draw Maze-like Lines With Python?

New to programming, I am trying to plot road boundary-like lines. Basically, I am creating somethin… Read more Plot /draw Maze-like Lines With Python?

Python Regular Expression Nltk Website Extraction

Hi I have never had to deal with regex before and I'm trying to preprocess some raw text with P… Read more Python Regular Expression Nltk Website Extraction

Detect Change Of Browser Tabs With Javascript

is there some way of detecting using javascript that a user has switched to a different tab in the … Read more Detect Change Of Browser Tabs With Javascript

Adding New Multiindex Level

I have a DataFrame: d = pd.DataFrame({'i1': ['A', 'B', 'C', 'D&… Read more Adding New Multiindex Level

Elementtree In Python 2.6.2 Processing Instructions Support?

I'm trying to create XML using the ElementTree object structure in python. It all works very w… Read more Elementtree In Python 2.6.2 Processing Instructions Support?

How To Import Pygame In Visual Studio Code?

I use visual studio code for coding (python) and now I have to write a program with pygame for my p… Read more How To Import Pygame In Visual Studio Code?

How To Compare Two Dataframe (structtype) In Python

Essentially this is to compare two dataframes, I am able to compare their names with: def diff(firs… Read more How To Compare Two Dataframe (structtype) In Python

Installing Multiple Python Packages By Single Python File

How to make a python file, which installs the mentioned python packages, on running that python fil… Read more Installing Multiple Python Packages By Single Python File

Python C-api And Unicode Strings

I need to convert between python objects and c strings of various encodings. Going from a c string … Read more Python C-api And Unicode Strings

How Do You Split A List (or Iterable) Into Evenly Sized Chunks?

I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on … Read more How Do You Split A List (or Iterable) Into Evenly Sized Chunks?

Calculating The Factorial Without Trailing Zeros Efficiently?

I'm trying to improve the running time of the factorial calculation of the large number. The fi… Read more Calculating The Factorial Without Trailing Zeros Efficiently?

Python Threading Or Multiprocessing For Web-crawler?

I've made simple web-crawler with Python. So far everything it does it creates set of urls that… Read more Python Threading Or Multiprocessing For Web-crawler?

Save Audio File Kivy, Python

What I am trying to do is, save each recorded file with a different filename(Myaudio1,2,3). Current… Read more Save Audio File Kivy, Python

Iterating Over A Range Of Rows Using Ws.iter_rows In The Optimised Reader Of Openpyxl

I need to read an xlsx file of 10x5324 cells This is the gist of what i was trying to do: from ope… Read more Iterating Over A Range Of Rows Using Ws.iter_rows In The Optimised Reader Of Openpyxl

Python-firebase Listener Implementation

Is there a way where you can actively have a listener for a Firebase Database in Python? For instan… Read more Python-firebase Listener Implementation

Python Venv Not Creating Virtual Environment

I'm trying to create a virtual environment for my current Django project using python3 -m venv … Read more Python Venv Not Creating Virtual Environment

How To Assign Default Value To All Ndb Datastore Entries?

I have to add one new property to my existing NDB class: class AppList(ndb.Model): ... igno… Read more How To Assign Default Value To All Ndb Datastore Entries?

Store Functions In List And Call Them Later

I want to store functions in a list and then later in a program call those functions from that list… Read more Store Functions In List And Call Them Later

Installing Numpy From

(I looked at many answers on here but similar questions were not answered or didn't address my … Read more Installing Numpy From

How To Plot With Matplotlib A 3d Quiver Plot With Color Gradient For Length? Gives Error "valueerror: Object Too Deep For Desired Array"

I want to indicate the length of the quivers (are the arrows calls quivers?) by color coding them. … Read more How To Plot With Matplotlib A 3d Quiver Plot With Color Gradient For Length? Gives Error "valueerror: Object Too Deep For Desired Array"

Need Python 3.4 Version Of Print() From __future__

Currently, when I from __future__ import print_function from Python 2.7.6, I apparently get a vers… Read more Need Python 3.4 Version Of Print() From __future__

Diference Between Os.getcwd() And Os.path.dirname(__file__)

In a previous project, I used the first version of the following two lines. Now that I found getcwd… Read more Diference Between Os.getcwd() And Os.path.dirname(__file__)

How To Get Value From Dict If Its Key Can Have Several Values

I have a dict with credentials like the following: secret = {'password': 'jdksal', … Read more How To Get Value From Dict If Its Key Can Have Several Values

Url Design: Ways To Hide Pk/id From Url

To access the details page of an Item on my site, one would use the following url /item/1 where 1 … Read more Url Design: Ways To Hide Pk/id From Url

Having Issues Escaping Single Quote

I'm having a hard time escaping single quotes when adding new values to yaml with ruamel.yaml. … Read more Having Issues Escaping Single Quote

Dynamically Import Module From Memory In Python 3 Using Hooks

What I want to achieve is exactly what this this answer proposes, however in Python 3. The code bel… Read more Dynamically Import Module From Memory In Python 3 Using Hooks

How Can I Programme A Minimax Algorithm For Nim Game Python?

I tried to programme a minimax algorithm in python. But it is so confusing. I am new to recursion f… Read more How Can I Programme A Minimax Algorithm For Nim Game Python?

Understanding Why Drop.duplicates() Is Not Working

Suppose I have a 2-row pandas dataframe that I acquired by subsetting a larger dataframe. … Read more Understanding Why Drop.duplicates() Is Not Working

Pausing And Restarting A Video In Python

I have several video and I want to go through them frame by frame, and annotate some of them by pre… Read more Pausing And Restarting A Video In Python

How To Write Csv Into The Next Column

I have output that I can write into a CSV. However, because of how i setup my XML to text, the outp… Read more How To Write Csv Into The Next Column

How To Convert "thu Jun 5 10:59:10 Cdt 2014" Into Python Datetime Object?

How to convert 'Thu Jun 5 10:59:10 CDT 2014' into python datetime object? I can't seem… Read more How To Convert "thu Jun 5 10:59:10 Cdt 2014" Into Python Datetime Object?

Hadoop: How To Include Third Party Library In Python Mapreduce

I am writing MapReduce job in Python, and want to use some third libraries like chardet. I konw tha… Read more Hadoop: How To Include Third Party Library In Python Mapreduce

Cannot Post Entry Specifying Specific Id If The Id Is Specified As Foreignkey In Django

I have two models, Book and ReadBy as specified in models.py: class Book(models.Model): created… Read more Cannot Post Entry Specifying Specific Id If The Id Is Specified As Foreignkey In Django

Update To 1.11: Typeerror Build_attrs() Takes At Most 2 Arguments (3 Given)

I a updating from 1.10.7 to 1.11.0 and I am getting the following error when viewing a form. I cann… Read more Update To 1.11: Typeerror Build_attrs() Takes At Most 2 Arguments (3 Given)

How To Create New Columns Depending On Row Value In Pandas

I have a dataframe that looks like this: time speaker label_1 label_2 0 0.25 1 … Read more How To Create New Columns Depending On Row Value In Pandas

Python __slots__ (making And Using)

I don't really get making a class and using __slots__ can someone make it clearer? For example… Read more Python __slots__ (making And Using)

Rotating Vertices About Point

I'm reverse engineering a level map for a game. Each object within the level has 3 floats for p… Read more Rotating Vertices About Point

Use Temp Table With Sqlalchemy

I am trying to use use a temp table with SQLAlchemy and join it against an existing table. This is … Read more Use Temp Table With Sqlalchemy

Attributeerror: 'sqlalchemy' Object Has No Attribute 'models'

AttributeError: sqlalchemy object has no attribute 'Models' and some times ModuleNotFoundEr… Read more Attributeerror: 'sqlalchemy' Object Has No Attribute 'models'

Is There A Way To Determine If A Subdirectory Is In The Same Filesystem From Python When Using Os.walk?

I'm writing a python script that uses os.walk() to walk a directory tree. I'd like to give… Read more Is There A Way To Determine If A Subdirectory Is In The Same Filesystem From Python When Using Os.walk?

Django Celerybeat Periodic Task Only Runs Once

I am trying to schedule a task that runs every 10 minutes using Django 1.9.8, Celery 4.0.2, RabbitM… Read more Django Celerybeat Periodic Task Only Runs Once

What Arguments Does Python Sort() Function Have?

Is there any other argument than key, for example: value? Solution 1: Arguments of sort and sorte… Read more What Arguments Does Python Sort() Function Have?

Python - 'module' Object Has No Attribute 'randrange'

I've 2 files a.py and b.py a.py from b import * #and then some lines of code b.py import rand… Read more Python - 'module' Object Has No Attribute 'randrange'

Not Clear How To Upsert Elasticsearch Using Python Elasticsearch

Look here for a similar example: https://stackoverflow.com/a/33247409/1575066 from elasticsearch im… Read more Not Clear How To Upsert Elasticsearch Using Python Elasticsearch

Python Gtk Adding Signal To A Combo Box

I create a combo box using PyGTK: fileAttrCombo = gtk.ComboBox(); I want to attach a signal handl… Read more Python Gtk Adding Signal To A Combo Box

Chrome Webdriver Unable To Complete Product Checkout Automation

I am attempting to automate the checkout of a product on this website. However, at the very last st… Read more Chrome Webdriver Unable To Complete Product Checkout Automation