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Showing posts from October, 2024

How To Keep Input After Failed Form Validation In Flask

With django I could simply pass the POST data to the form after failed validation and the user woul… Read more How To Keep Input After Failed Form Validation In Flask

Python 3 - If A String Contains Only Ascii, Is It Equal To The String As Bytes?

Consider Python 3 SMTPD - the data received is contained in a string. http://docs.python.org/3.4/li… Read more Python 3 - If A String Contains Only Ascii, Is It Equal To The String As Bytes?

Capitalize The First Letter After A Punctuation

For example, I have this sentence: hello. my name is Jess. what is your name? and I want to change… Read more Capitalize The First Letter After A Punctuation

Multiple Websocket Streaming With Asyncio/aiohttp

I am trying to subscribe to multiple Websocket streaming using python's asyncio and aiohttp. Wh… Read more Multiple Websocket Streaming With Asyncio/aiohttp

Python Refuses To Iterate Through Lines In A File More Than Once

I am writing a program that requires me to iterate through each line of a file multiple times: loop… Read more Python Refuses To Iterate Through Lines In A File More Than Once

How To Split Dataset Into K-fold Without Loading The Whole Dataset At Once?

I can't load all of my dataset at once, so I used tf.keras.preprocessing.image_dataset_from_dir… Read more How To Split Dataset Into K-fold Without Loading The Whole Dataset At Once?

How To Get Part Of String And Pass It To Other Function In Python?

My task is to verify whether string is valid date and time or not. '2013-01-01W23:01:01' … Read more How To Get Part Of String And Pass It To Other Function In Python?

Type Hint For Return Value In Subclass

I am writing a CustomEnum class in which I want to add some helper methods, that would then be avai… Read more Type Hint For Return Value In Subclass

Parse Python List To Pandas Dataframe

I have an array that has values separated by '|'. I would like to parse it to a pandas dat… Read more Parse Python List To Pandas Dataframe

Crontab Django Management Command Seems To Start But Nothing Happens

I have defined a django management command that imports some data into my application database. I r… Read more Crontab Django Management Command Seems To Start But Nothing Happens

How To Add Five Rows Of Invaders In Space Invader Game

i currently have 1 row of 11 invaders in my space invader game and wish to add 5 more rows, what co… Read more How To Add Five Rows Of Invaders In Space Invader Game

Python Write A New Csv File By Filtering Selected Rows From An Existing Csv File

just a question, I was trying to write selected rows from a .csv file to a new .csv file, but there… Read more Python Write A New Csv File By Filtering Selected Rows From An Existing Csv File

Python Elements Retrieved From Container (list, Dict, Tuple Etc) Passed By Reference Or Value?

I have a function that updates data in a cache (implemented as a dictionary). def updateCache(name,… Read more Python Elements Retrieved From Container (list, Dict, Tuple Etc) Passed By Reference Or Value?

Python : Define A List Of A Specific Type Of Object

I would like to inherit from a list to produce the myList class, that only accepts one specific typ… Read more Python : Define A List Of A Specific Type Of Object

Capturing Output From Buffered Stdout Program

I'm trying to capture the output of a windows program using Qt and Python. I'm starting the… Read more Capturing Output From Buffered Stdout Program

How To Remove Multiple Headers From Dataframe And Keeps Just The First Python

I'm working with a csv file that presents multiple headers, all are repeated like in this examp… Read more How To Remove Multiple Headers From Dataframe And Keeps Just The First Python

Pygame Making A Sprite Face The Mouse

Im New To Pygame But Kinda OK On Python, Im Creating A Zombie Shooting Game With an overhead view. … Read more Pygame Making A Sprite Face The Mouse

Numpy Array Crossing 2 Values And Gets The Index

I am trying to code a function where it gives me the indexes of where the values of lower or upper … Read more Numpy Array Crossing 2 Values And Gets The Index

3d Figures From Matplotlib Visibility Of Pane Edge

I am not able to get the left pane edge visible. %pylab inline from mpl_toolkits.mplot3d import axe… Read more 3d Figures From Matplotlib Visibility Of Pane Edge

How To Determine The Learning Rate And The Variance In A Gradient Descent Algorithm?

I started to learn the machine learning last week. when I want to make a gradient descent script to… Read more How To Determine The Learning Rate And The Variance In A Gradient Descent Algorithm?

Adding Entries From Multiple Files In Python

I have a question on how to add entries from 100 files (each file contains two columns) and then wr… Read more Adding Entries From Multiple Files In Python

Error In Draw.rectangle([x1, Y1, X2, Y2], Fill="black") When Drawing Rectangle With Pil For High Dimension Images

I'm getting Error in draw.rectangle([x1, y1, x2, y2], fill='Black') when drawing rectan… Read more Error In Draw.rectangle([x1, Y1, X2, Y2], Fill="black") When Drawing Rectangle With Pil For High Dimension Images

How Do I Make Progress Bar While Downloading File In Python

I'm using tqdm to monitor the downloading of files in my python programs but it doesn't sho… Read more How Do I Make Progress Bar While Downloading File In Python

Python Csv, Writing Headers Only Once

So I have a program that creates CSV from .Json. First I load the json file. f = open('Data.jso… Read more Python Csv, Writing Headers Only Once

Python: .replace Doesn't Work In Method Function?

When I run this: def Replace(word): word.replace('o', 'x') return word pri… Read more Python: .replace Doesn't Work In Method Function?

How Can I Skip First Several Lines Of The Excel Sheet?

Using openpyxl I tried to read from the fifth line for some files. The files' first four lines … Read more How Can I Skip First Several Lines Of The Excel Sheet?

Prevent Python From Printing Return Result

I have a function that both returns a value and does some printing. Schematically: def func(x): pr… Read more Prevent Python From Printing Return Result

Pydev Source File Hyperlinks In Eclipse Console

When a python app crashes the console displays hyperlinks to the source code where the exceptions o… Read more Pydev Source File Hyperlinks In Eclipse Console

Writing Cython Extension: How To Access A C Struct Internal Data From Python?

Disclaimer: I took the following example from the Python Cookbook (O'Reilly). Let's say I h… Read more Writing Cython Extension: How To Access A C Struct Internal Data From Python?

Python Xml Parse And Getelementsbytagname

I was trying to parse the following xml and fetch specific tags that i'm interested in around m… Read more Python Xml Parse And Getelementsbytagname

Module Installed With Pip In Virtualenv Not Found

Getting a very strange error. I am making a virtual environment and initializing it with a pip requ… Read more Module Installed With Pip In Virtualenv Not Found

Pygame.error:video System Not Initialized

So i wrote this code: # Pygame development 4 # Focus on making code object oriented # Introduce cla… Read more Pygame.error:video System Not Initialized

Creating Dictionary From Xml File

I have and XML file that looks like this: Aminomonas paucivorans & Solution 1: The firs… Read more Creating Dictionary From Xml File

How Can I Get Tk Buttons, Generated By A For Loop, To Pass Input To Their Command? (python)

I have a program which dynamically generates a GUI. I don't know how many buttons I will have,… Read more How Can I Get Tk Buttons, Generated By A For Loop, To Pass Input To Their Command? (python)

Why Are Larger Int Numbers Returning Different And Sometimes The Same Ids?

Today I learned about id and decided to put it to use and test things out. I know integers are immu… Read more Why Are Larger Int Numbers Returning Different And Sometimes The Same Ids?

How To Remove Pops From Concatented Sound Data In Pyaudio

How do you remove 'popping' and 'clicking' sounds in audio constructed by concatena… Read more How To Remove Pops From Concatented Sound Data In Pyaudio

Remove Duplicates From List Of Dictionaries Within List Of Dictionaries

I have list: my_list = [{'date': '10.06.2016', 'account': [{&#… Read more Remove Duplicates From List Of Dictionaries Within List Of Dictionaries

Python 2.6 Or Python 3.1?

I am about to learn Python and was wondering what is recommended, learning python 2.6 or 3.1? (any … Read more Python 2.6 Or Python 3.1?

Requests + Grequests: Is The "connection Pool Is Full, Discarding Connection:" Warning Relevant?

I'm hosting a server on localhost and I want to fire hundreds of GET requests asynchronously. F… Read more Requests + Grequests: Is The "connection Pool Is Full, Discarding Connection:" Warning Relevant?

Sorting List By Alphabetical Order, With Special Case For Certain Starting Letter

Given a list of strings, I want to return a list with the strings in sorted order, except group all… Read more Sorting List By Alphabetical Order, With Special Case For Certain Starting Letter

Read Json File As Pyspark Dataframe Using Pyspark?

How can I read the following JSON structure to spark dataframe using PySpark? My JSON structure {&#… Read more Read Json File As Pyspark Dataframe Using Pyspark?

Is It Possible Rename Fields In The Outputs Of A Mongo Query In Pymongo?

I have some documents in Mongo: {'name' : 'John', 'age' : 26} {'name… Read more Is It Possible Rename Fields In The Outputs Of A Mongo Query In Pymongo?

Isolate Greatest/smallest Labeled Patches From Numpy Array

i have a large numpy array and labeled it with the connected component labeling in scipy. Now i wan… Read more Isolate Greatest/smallest Labeled Patches From Numpy Array

Split When Character Changes In Python

So I have this string. 6#666#665533999 And I want to parse it into multiple small strings(or until… Read more Split When Character Changes In Python

How To Calculate Numbers In A List

here is my code. A = [86.14803712, 85.25496701, 86.50334271, 86.0266668, 86.61455594, 86.90445213… Read more How To Calculate Numbers In A List

Python2 To Python3 Differences With Byte Additions And Sending To Serial Port

Currently, we are building a robot with a raspberry pi and the AX-12 dynamixel Servo's. We foun… Read more Python2 To Python3 Differences With Byte Additions And Sending To Serial Port

How Do You Access Models From Other Installed Apps In Django When In The Same Subdirectory?

I have the following structure for my project: myproject/ |-- myproject/ | |-- __init__.py | |-… Read more How Do You Access Models From Other Installed Apps In Django When In The Same Subdirectory?

Parse A Html File With Table Using Python

I got problem with my python parser. its a part of my file: 03.12. 10:45:00 Solution 1: Find all t… Read more Parse A Html File With Table Using Python

Python Gil: Is Django Save() Blocking?

My django app saves django models to a remote database. Sometimes the saves are bursty. In order to… Read more Python Gil: Is Django Save() Blocking?

Using Selenium's Python Api - How Do I Get The Number Of Rows In A Table?

How do I get the number of rows in an HTML table using Selenium's Python API? I'd have a 2 … Read more Using Selenium's Python Api - How Do I Get The Number Of Rows In A Table?

Openerp 7 Adding Field To Existing Module - Xml Validate Error

I'm new to editing/programming OpenERP modules so I'm following this tutorial to simply add… Read more Openerp 7 Adding Field To Existing Module - Xml Validate Error

How To Inherit Stdin And Stdout In Python By Using Os.execv()

First, I wrote a c++ code as follows: #include int main() { int a,b; while(scanf('%d %… Read more How To Inherit Stdin And Stdout In Python By Using Os.execv()