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Showing posts from May, 2024

How To Deal With Batches With Variable-length Sequences In Tensorflow?

I was trying to use an RNN (specifically, LSTM) for sequence prediction. However, I ran into an iss… Read more How To Deal With Batches With Variable-length Sequences In Tensorflow?

Unable To Run Flask App With Gevent Installed

I have a Flask application that won't run when gevent is installed. Here is my app.py file: fro… Read more Unable To Run Flask App With Gevent Installed

Quickly And Efficiently Calculating An Eigenvector For Known Eigenvalue

Short version of my question: What would be the optimal way of calculating an eigenvector for a mat… Read more Quickly And Efficiently Calculating An Eigenvector For Known Eigenvalue

Copy And Paste Text From Webpage To Txt File Or Csv File

I am trying to copy text from a webpage and paste it into a text file. Nothing too fancy but I can&… Read more Copy And Paste Text From Webpage To Txt File Or Csv File

Memoization Fibonacci Algorithm In Python

I have this memoization technique to reduce the number of calls getting a Fibonacci sequence number… Read more Memoization Fibonacci Algorithm In Python

Django : 404 (main.urls Not Included In Myproject/urls.py?)

I have the following problem : I've made a little django (1.7.8) project (named djangocmstest) … Read more Django : 404 (main.urls Not Included In Myproject/urls.py?)

Bad Display Name When Running Python Script On Boot With Touch Screen

Attempting to run a Python script on boot on Raspberry Pi 3B+ 1GB RAM, Raspbian, with a SunFounder … Read more Bad Display Name When Running Python Script On Boot With Touch Screen

Installing Numpy On Windows

I'm simply unable to install NumPy on Windows. I keep getting this error - PS C:\python27> p… Read more Installing Numpy On Windows

Change The Number Of Request Retries In Boto3

In boto3 or botocore, how do I do the equivalent of setting the number of request retries? e.g. in … Read more Change The Number Of Request Retries In Boto3

Set Value Multiindex Pandas

I'm a newbie to both Python and Pandas. I am trying to construct a dataframe, and then later po… Read more Set Value Multiindex Pandas

Redirecting Stdout, Stderror To File While Stderr Still Prints To Screen

I would like stdout and stderr to be redirected to the same file, while stderr still writes to the … Read more Redirecting Stdout, Stderror To File While Stderr Still Prints To Screen

How To Remove A Line From A Csv If It Contains A Certain Word?

I have a CSV file that looks something like this: 2014-6-06 08:03:19, 439105, 1053224, Front E… Read more How To Remove A Line From A Csv If It Contains A Certain Word?

Schema Avro Is In Timestamp But In Bigquery Comes As Integer

I have a pipe that uploads avro files to bigquery, the configured schema seems to be ok, but BigQue… Read more Schema Avro Is In Timestamp But In Bigquery Comes As Integer

Python: Printing Horizontally Rather Than Current Default Printing

I was wondering if we can print like row-wise in python. Basically I have a loop which might go on … Read more Python: Printing Horizontally Rather Than Current Default Printing

Pandas Python + Format For Values

This is the code: import pandas as pd from pandas import Series, DataFrame import numpy as … Read more Pandas Python + Format For Values

Error When Using Pyinstaller: Unicodedecodeerror: 'utf-8' Codec Can't Decode Byte 0xff

I have an issue when i compile a PyQt code with pyinstaller. I use this line to compile: c:\Anacond… Read more Error When Using Pyinstaller: Unicodedecodeerror: 'utf-8' Codec Can't Decode Byte 0xff

Call A Bash Function Within A Python Script

I have a python script (e.g. test.py) and a commands.txt file which contains a custom bash function… Read more Call A Bash Function Within A Python Script

Very Slow Numpy Or Operation

I am doing an OR operation on large dataset which is an numpy dtype array object. Below code is par… Read more Very Slow Numpy Or Operation

Ctypes: Cannot Import Windll

I am running Python 2.7 32bits (Anaconda) on Windows 7 64bits. I would like to use ctypes to do win… Read more Ctypes: Cannot Import Windll

Float Bug On Square Root Function Python

I have the code: #!/usr/bin/env python import math i = 2 isprime = True n = input('Enter a numb… Read more Float Bug On Square Root Function Python

How To Do Print Formatting In Python With Chunks Of Strings?

I'm having some trouble with formatting the pyramid. I've tried to use format when printing… Read more How To Do Print Formatting In Python With Chunks Of Strings?

How Do I Get A Windows Border Like This In Tkinter?

Is there any way to get a border like this in Tkinter? Notice how it lacks the buttons on the top r… Read more How Do I Get A Windows Border Like This In Tkinter?

Simulating Orbits

So I'm trying to simulate the earth travelling around the sun where the velocity of the earth i… Read more Simulating Orbits

Typeerror: __init__() Takes 1 Positional Argument But 4 Were Given

class voting(): number = 0 name = '' surfer = '' def __init__(se… Read more Typeerror: __init__() Takes 1 Positional Argument But 4 Were Given

Typeerror: String Argument Expected, Got 'bytes'

I would like to convert the below hex sequences to images, in the process of sifting through quite … Read more Typeerror: String Argument Expected, Got 'bytes'

Flickering Video In Opencv-tkinter Integration

I am trying to build a GUI using tkinter in python 3.6.4 64-bit on Windows 8 by integrating opencv … Read more Flickering Video In Opencv-tkinter Integration

How To Write Code To Extract A Specific Text And Integer On The Same Line From A Pdf File Using Python?

The below is the data I am having in a pdf file where I would like to extract the integer number 10… Read more How To Write Code To Extract A Specific Text And Integer On The Same Line From A Pdf File Using Python?

How To Fetch Rows With Max Update Datetime Using Group By And Having With Sqlalchemy And Postgresql

I'm going from SQLite to Postgresql. This has made one of my queries not work. It's not cle… Read more How To Fetch Rows With Max Update Datetime Using Group By And Having With Sqlalchemy And Postgresql

Error: __init__() Got An Unexpected Keyword Argument 'n_splits'

I am going to perform ShuffleSplit() method for California housing dataset (Source: https://www.dcc… Read more Error: __init__() Got An Unexpected Keyword Argument 'n_splits'

Python: How To End A While Loop While It Is Running If The While Condition Changes During The Loop?

I need some help with code in a text based game I am trying to make. My game uses health, and the c… Read more Python: How To End A While Loop While It Is Running If The While Condition Changes During The Loop?

Import Module With Name Same As Built-in Module In Python 3

I meet a similar problem which can be simplified as following: For example I have a file structure … Read more Import Module With Name Same As Built-in Module In Python 3

I'm Trying To Get The Text Widget Functions To Work Properly In Python Tkinter

I'm trying to take input text in the tkinter text widget and transfer it to another text widget… Read more I'm Trying To Get The Text Widget Functions To Work Properly In Python Tkinter

Phantomjs Get No Real Content Running On Aws Ec2 Centos 6

I successfully ran the PhantomJS+Selenium in Python 3.5 in my laptop, but when I used it on AWS EC2… Read more Phantomjs Get No Real Content Running On Aws Ec2 Centos 6

How Do I Json Encode This View?

New to python and Pyramid. I have a view that does pagination. How do I json encode it? I get an er… Read more How Do I Json Encode This View?

Pandas.read_csv Error Tokenizing Data

I am having trouble with Pandas.read_csv I would like to read this text file (see below) When I tak… Read more Pandas.read_csv Error Tokenizing Data

What Is The Equivalent To Python Equivalent To Using Class.getresource()

In java if I want to read a file that contains resource data for my algorithms how do I do it so th… Read more What Is The Equivalent To Python Equivalent To Using Class.getresource()

Python- Compress Lower End Of Y-axis In Contourf Plot

The issue I have a contourf plot I made with a pandas dataframe that plots some 2-dimensional value… Read more Python- Compress Lower End Of Y-axis In Contourf Plot

Error "could Not Find Pyaudio; Check Installation" On Windows

I have simple code in python to recognise my voice and convert it in text. I am using speech recogn… Read more Error "could Not Find Pyaudio; Check Installation" On Windows

Error: Could Not Install Packages Due To An Oserror: [winerror 5]

i was trying to install tensorflow-gpu on my pycharm (pip install tensorflow-gpu), but unfortunatel… Read more Error: Could Not Install Packages Due To An Oserror: [winerror 5]

How To Create Random Orthonormal Matrix In Python Numpy

Is there a method that I can call to create a random orthonormal matrix in python? Possibly using n… Read more How To Create Random Orthonormal Matrix In Python Numpy

Linear Regression With Pandas Dataframe

I have a dataframe in pandas that I'm using to produce a scatterplot, and want to include a reg… Read more Linear Regression With Pandas Dataframe

Using Lxml For Python - Windows 7 64-bit

When I try to install lxml, I get the following. I've tried downloading C++ redists and a whole… Read more Using Lxml For Python - Windows 7 64-bit

Generating Pcolormesh Images From Very Large Data Sets Saved In H5 Files With Python

I am collecting a large amount of data that will be saved into individual H5 files using h5py. I wo… Read more Generating Pcolormesh Images From Very Large Data Sets Saved In H5 Files With Python

Forcing A Kivy Widget's Orientation To Be Landscape/portrait

I'm developing an app where I want one of ScreenManager's screen to be in landscape orienta… Read more Forcing A Kivy Widget's Orientation To Be Landscape/portrait

How To Search For Ips In Files Using Python?

I am writing a Script in Python and I need to search and Replace IPs in a File.... Any ideas how it… Read more How To Search For Ips In Files Using Python?

Make Curses Program Output Persist In Terminal Scrollback History After Program Exits

I'm quite new to curses, so I'm trying out some different things in python. I've initia… Read more Make Curses Program Output Persist In Terminal Scrollback History After Program Exits

How Do I Generate Dynamic Fields In Wtforms

I am trying to generate a form in WTForms that has dynamic fields according to this documentation h… Read more How Do I Generate Dynamic Fields In Wtforms

Attributeerror: 'module' Object Has No Attribute 'lru_cache'

Im getting the error as shown in title with this environment setup. Apache2 with mod_wsgi ,Python 3… Read more Attributeerror: 'module' Object Has No Attribute 'lru_cache'

Reading Stdout From Xinput Test In Python

I am trying to stream the output of xinput into my python program, however my program just waits an… Read more Reading Stdout From Xinput Test In Python

How To Increase Performance Of Opencv Cv2.videocapture(0).read()

I'm running this script on Kali linux with intel core i7-4510u: import cv2 from datetime import… Read more How To Increase Performance Of Opencv Cv2.videocapture(0).read()

Python For Loop Slows Due To Large List

So currently I have a for loop, which causes the python program to die with the program saying '… Read more Python For Loop Slows Due To Large List

Get 3d Point In Space Using 2d Point In Image In Python Opengl

Im trying to simulate a depth camera in a room, my camera is able to move and rotate in the world a… Read more Get 3d Point In Space Using 2d Point In Image In Python Opengl

Copy_tree Raises "[errno 2] No Such File Or Directory" For The Destination

I have a python service which at some point, will copy a directory from one location to another. Wh… Read more Copy_tree Raises "[errno 2] No Such File Or Directory" For The Destination

Static(css And Js) Files Are Not Working After Uploading Website On Heroku

I have just uploaded my website on heroku, the css and javascript files works perfectly on localhos… Read more Static(css And Js) Files Are Not Working After Uploading Website On Heroku

Parsing Xml In Python With Regex

I'm trying to use regex to parse an XML file (in my case this seems the simplest way). For exam… Read more Parsing Xml In Python With Regex

How To Apply Euclidean Distance Function To A Groupby Object In Pandas Dataframe?

I have a set of objects and their positions over time. I would like to get the average distance bet… Read more How To Apply Euclidean Distance Function To A Groupby Object In Pandas Dataframe?

Generating Variable Names On Fly In Python

Is there a way I can generate variable names in python in a loop and assign values to them? For exa… Read more Generating Variable Names On Fly In Python

Pivot A Pandas Dataframe And Get The Non-axis Columns As A Series

I have a data set pulled from a database using pandas.io.sql.read_frame which looks like this … Read more Pivot A Pandas Dataframe And Get The Non-axis Columns As A Series

How To Dynamically Add Ec2 Ip Addresses To Django Allowed_hosts

We've recently changed our deployment strategy to use AWS auto scaling group. One problem we h… Read more How To Dynamically Add Ec2 Ip Addresses To Django Allowed_hosts

Display Rows With One Or More Nan Values In Pandas Dataframe

I have a dataframe in which some rows contain missing values. In [31]: df.head() Out[31]: … Read more Display Rows With One Or More Nan Values In Pandas Dataframe

Python: Regular Method And Static Method With Same Name

Introduction I have a Python class, which contains a number of methods. I want one of those methods… Read more Python: Regular Method And Static Method With Same Name

How Do I Convert A Unicode To A String At The Python Level?

The following unicode and string can exist on their own if defined explicitly: >>> value_s… Read more How Do I Convert A Unicode To A String At The Python Level?

Usb Interface In Python

I have this (http://www.gesytec.de/en/download/easylon/p/16/) USB device connected to my Win7. I am… Read more Usb Interface In Python

Pydns & Dns Timeout Error

Per validate_email 1.3 : Python Package Index, in order to check the domain mx and verify email exi… Read more Pydns & Dns Timeout Error

Turning A Large Matrix Into A Grayscale Image

I have a NumPy array of 3,076,568 binary values (1s and 0s). I would like to convert this to a matr… Read more Turning A Large Matrix Into A Grayscale Image

Map Values From Another Dataframe Within Multiple Conditions

Looking to map highest matching row values from Dataframe2 to Dataframe1 using conditions. We also … Read more Map Values From Another Dataframe Within Multiple Conditions

Python: How To Make A Turtle Never Cross Over A Line

I'm trying to write a python program that will make a turtle either move forward, turn left and… Read more Python: How To Make A Turtle Never Cross Over A Line

Django Connect Temporary Pre_save Signal

I've been struggling with a Django signal issue for a few days now and would appreciate your th… Read more Django Connect Temporary Pre_save Signal