Getting Started with Python

Wanted to understand the difference between, from tensorflow.keras.preprocessing.text import Tokeni… Read more Use Of Num_words In The Tokenizer Class In Keras

I am trying to compute a distance between an element and a starting point in an array. Here is an a… Read more Is There A More Efficient Way Generate An Array From Another Array With A Little Bit Complex Rule?

I'm testing a simple prediction program with Python 2.7, sklearn 0.17.1, numpy 1.11.0. I got ma… Read more Found Array With 0 Sample(s) (shape=(0, 40)) While A Minimum Of 1 Is Required

I have a question on how to programmatically clear\clean the output from all the Cells in my Jupyt… Read more Jupyter: Programmatically Clear Output From All Cells When Kernel Is Ready

I have setup a django server on centos 7. When I start the server, I encounter this error Unhandled… Read more Django: Importerror: No Module Named Sslserver

Target I have a pandas dataframe as shown below and would like to split it where there is a blank-s… Read more Split A Pandas Dataframe Into Multiple Columns

I have a website have many pages like this: mywebsite/?page=1 mywebsite/?page=2 ... ... ... my… Read more Python Scrapy How To Use Basedupefilter

I just came accross the following code in an existent project, which I'm working on: if True: … Read more Python - What's The Use Of If True:?

I have the following example code that makes a three tab layout (with buttons on the third tab). By… Read more Prevent Tab Cycling With Ctrl+tab By Default With Qtabwidget

I have LevelDB (IndexedDB) file from my Google Chrome, the file is located in this folder: /home/ /… Read more Getting Data Inside A Google Chrome Indexeddb From Bash Or Python

print ('Hello, and welcome to TEXT RPG!') name = input('Would you be so kind as to tell… Read more Why Do I Get A Syntax Error When Trying To Test For Correct User Input?

I am using Python's paramiko packet to keep an ssh-connection with an server : s = paramiko.SSH… Read more How To Transfer A File To Ssh Server In An Ssh-connection Made By Paramiko?

I am trying to convert a MATLAB code in Python. I don't know how to initialize empty matrix in … Read more Initialize Empty Matrix In Python

I use google safe browsing API. So I tested this simple code: from safebrowsinglookup import Safebr… Read more Google Safebrowsing Api: Always Getting An Error

I'm doing a python script to insert several data into a postgresql database. Following the post… Read more To Drop An Index With Psycopg2 Takes Effect Before Or After Commit?

I've the below 3 lists and a value (country[i]) and i want to add the same country[i] to all tu… Read more Adding The Same Variable To A List Of Tuples

I code a python script to check files in GCS, it uses wxpython to generate the GUI. To authenticate… Read more Errno 185090050 _ssl.c:343: Error:0b084002:x509 Certificate Routines:x509_load_cert_crl_file:system Lib, After Packaging To Exe By Pyinstaller

I have a document which uses an XML namespace for which I want to increase /group/house/dogs by one… Read more Python: Update Xml-file Using Elementtree While Conserving Layout As Much As Possible

i have strings with Following pattern in python : 2011-03-01 14:10:43 C:\Scan\raisoax.exe detected … Read more Substring In Python

Consider the following database model: class User: id = models.BigAutoField(primary_key… Read more Django - Filtering Out Already Rated Restaurants In Yelp Like App

I have 3 files in the same directory : test1.py , test2.py and init.py. In test1.py I have this cod… Read more Python Importing Variables From Other File

I have a Django project on my laptop. It works perfectly fine on my machine. This web app takes inp… Read more What Is The Best Way To Give A Linux Command From One Machine To A Different Machine?

Can anyone tell me if its possible to send multiple variables from field names to a template tag? t… Read more Django Template, Send Two Arguments To Template Tag?

I want to delete rows when a few conditions are met: For instance, a random DataFrame is generated:… Read more Deleting Rows Based On Multiple Conditions Python Pandas

Can you break a while loop from outside the loop? Here's a (very simple) example of what I'… Read more Can You Break A While Loop From Outside The Loop?

When I want to login in google account using selenuim, captha is showing up. I use user-agent but i… Read more How To Get Rid Of Captha In Selenium?

This executes as I'd expect: >>>x=[] >>>x.append(3) >>>x [3] Why do… Read more [].append(x) Behaviour

I have written the following script to concatenate all the files in the directory into one single f… Read more Python Script To Concatenate All The Files In The Directory Into One File

For a DB class with the following init method: class DB: def __init__(self, dbprops): s… Read more With Statement In Python Is Returning None Object Even Though __init__ Method Works

I am a Macintosh Yosemite user. When I try to import matplotlib I get the following error. imp… Read more How Do I Install Matplotlib As A Macintosh Yosemite User

I want to send the REST request to the end-point. import requests param1 = 'abc' param2 = … Read more Backend Returns (typeerror: String Indices Must Be Integers)

Due to the constraints of some dev tools, I'm looking for a mathematical expression of: If x>… Read more If X>=1, Then 1, Otherwise 0, As Pure Math Equation?

To normalize the rows of a matrix X to unit length, I usually use: X /= np.linalg.norm(X, axis=1, k… Read more Why Is Np.linalg.norm(..., Axis=1) Slower Than Writing Out The Formula For Vector Norms?

One situation I sometimes encounter is, I have two dataframes (df1, df2) and I want to create a new… Read more Python Pandas: Merge Or Filter Dataframe By Another. Is There A Better Way?

I am trying to figure out a way to add a vertical arrow pointing up for each of my data points. I h… Read more Plot Vertical Arrows For My Points

Is there any way to replace value using dictionary or mapping? I have dataframe like this: Q14r63: … Read more Changing Pandas Dataframe Values Based On Dictionary

I have a dictionary that looks like this: sampleData = {'x1': [1,2,3], 'x2': [4,5,6… Read more Python Multiprocessing - Independently Processing For Each Key-value Pair In The Dictionary

Some background for the question: I'm trying to optimise a custom neural network code. It relie… Read more Cython: Transpose A Memoryview

I'm trying to import the tkinter module into my script. I have it installed since the interpret… Read more Why Is This Module Not Being Found When I Run The Script But Is In The Interpreter?

In python, How can I get the color of a specific coordinate of any figure, that I've drawn with… Read more Get Color Of Coordinate Of Figure Drawn With Python Zelle Graphics

I am trying to add a tooltip for menubar item (e.g [Save]), but i can't get instanse of needed … Read more How Can I Add A Tooltip To Menu Item?

I have written a small Django App, that executes an interactive program based on user input and ret… Read more Subprocess.popen Hangs With Interactive Programs When Called From Inside Django

I have this simplified dataframe: ID, Date 1 8/24/1995 2 8/1/1899 :00 How can I use the power of p… Read more How To Remove A Substring Of String In A Dataframe Column?

This loop keeps looping even if I enter 'no' and when I type 'jdlfjap', for example… Read more Why Does This While Loop Not Work?

So I have been using Tkinter up until now to build my GUI's for Python Projects. I want more fu… Read more Unable To Install Kivy On Macos10.15 Using Pip

class A(object): aalist = [] ai = 0 def __init__(self): self.ablist = list() de… Read more The List Updated Within A Class

I want to format my ticks to a certain number of significant figures, AND remove the automatic offs… Read more Matplotlib: Format Axis Ticks Without Offset

I need to change all nans of a matrix to a different value. I can easily get the nan positions usin… Read more How To Use Arrays To Access Matrix Elements?

I have built my own opencv python package from source. import cv2 print(cv2.__version__) prints: … Read more Install Gstreamer Support For Opencv Python Package

I'm attempting to run the following command: pip install cryptography on a windows 7 machine. … Read more Failing To Run Pip Install Cryptography On Windows 7

Ok so I have a script that connects to a mssql db and i need to run as a service which I have alrea… Read more Failed To Login As 'domain\computername' Pyodbc With Py2exe

I'm trying to restart an optimisation in pymoo. I have a problem defined as: class myOptProb(Pr… Read more Restarting An Optimisation With Pymoo

When i install iconv with npm got the following error: iconv@2.1.0 install /root/Dropbox/nodeApps/… Read more Can't Find Python Executable "python"

I have several types of date in Python Pandas. 1. 17/12/04 14:19:48.374835 < class 'str'… Read more Change Date Format To Int In Python Pandas

I created a function that opens a log file, and saves it to a variable named loginfo. In my kivy fi… Read more How To Set Existing Text From A Variable Within A Function? Python Kivy

I have a C# Class Library DLL that I call from Python. No matter what I do, Python thinks the retur… Read more C# Return Type Issue

I have been trying to find a way to have an IPython Shell in an wx.Frame. Searching around in th… Read more Ipython On Wxpython

I have a neural network (NN) which works perfectly when applied to a single data set. However if I … Read more Multiple Objects Somehow Interfering With Each Other [original Version]

I have this sample quiz question but not to sure how to approach it with while loops. Implement the… Read more Nearest Square Function With Python

I want to print the first 10 key-value pairs from the dictionary word_index and I wrote this code: … Read more Break Is Not Activated Inside A For Loop In Python

import multiprocessing as mp import time def build(q): print 'I build things' time… Read more In Python, How Do You Get Data Back From A Particular Process Using Multiprocessing?

I'm using PyInstaller to turn two scripts into one executable file, one of which calls the othe… Read more Packaging Multiple Scripts In Pyinstaller

I'm trying to figure out scrapy and splash. As an exercise, I tried to make splash click on the… Read more Use Scrapy + Splash Return Html

I'm trying to call ct-ng (http://crosstool-ng.org/) from a SCons SConstruct script, so basicall… Read more Using Python Subprocess.call() To Launch An Ncurses Process