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Showing posts from August, 2024

How To Update Multiple Rows With Single Mysql Query In Python?

#!/usr/bin/python # -*- coding: utf-8 -*- import MySQLdb as mdb con = mdb.connect('localhost&… Read more How To Update Multiple Rows With Single Mysql Query In Python?

How To Delete One Line After The Specific Word With Python

I have a text file (input.txt) and it contains: COMPDAT First line 123 456 Second line 4d5 fdf C… Read more How To Delete One Line After The Specific Word With Python

Python: Next() Is Not Recognized

When I do next(ByteIter, '')<<8 in python, I got a name error saying 'global nam… Read more Python: Next() Is Not Recognized

How To Do A Clean Reinstall With Macports?

How can one do a complete clean reinstall of a port and at the same time a complete clean reinstall… Read more How To Do A Clean Reinstall With Macports?

Best Way To Vectorize Operation Having Input And Output History Dependence?

My goal is to vectorize the following operation in numpy, y[n] = c1*x[n] + c2*x[n-1] + c3*y[n-1] I… Read more Best Way To Vectorize Operation Having Input And Output History Dependence?

Update/append Serializer.data In Django Rest Framework

How can I update/append serializer.data in Django Rest Framework? data = serializer.data.update({&#… Read more Update/append Serializer.data In Django Rest Framework

How To Remove "\n" In A List Of Lists (python)

I have a giant list of lists that I imported from a file like this: letters = [] for i in range(len… Read more How To Remove "\n" In A List Of Lists (python)

Using Beautiful Soup To Get Data From Non-class Section

I am still very novice and learning python and beautiful soup. I have gotten hung up on how to get… Read more Using Beautiful Soup To Get Data From Non-class Section

Python Global Dict Across Different File Script

Hello. I am trying to use a global dict created in main.py, which is called in functions.py. In my … Read more Python Global Dict Across Different File Script

How Does The Gil Handle Chunked I/o Read/write?

Say I had a io.BytesIO() I wanted to write a response to sitting on a thread: f = io.ByteIO() with … Read more How Does The Gil Handle Chunked I/o Read/write?

Dnspython: Setting Query Timeout/lifetime

I have a small script that checks a large list of domains for their MX records, everything works fi… Read more Dnspython: Setting Query Timeout/lifetime

How Can I Send An Embed Via My Discord Bot, W/python?

I've been working a new Discord bot. I've learnt a few stuff,and, now, I'd like to make… Read more How Can I Send An Embed Via My Discord Bot, W/python?

Keyerror: Class 'numpy.object_' While Downloading Image Dataset Using Imread

I am trying to download images from URLs using imread. After downloading about 700 images, I see Ke… Read more Keyerror: Class 'numpy.object_' While Downloading Image Dataset Using Imread

Pandas Isin() Returns Different Result As Eq() - Floating Dtype Dependency Issue

pandas' isin method seems to have a dtype dependency (using Python 3.5 with pandas 0.19.2). I j… Read more Pandas Isin() Returns Different Result As Eq() - Floating Dtype Dependency Issue

Writable Nested Serializers User And User Profile Doesn't Work

I'm trying to create a user registration endpoint through django rest framework with his profil… Read more Writable Nested Serializers User And User Profile Doesn't Work

How To Create Multiple, Different Custom Scales In Tkinter Gui?

I'm trying to create two custom scales in one GUI. The simplest way to create a custom scale is… Read more How To Create Multiple, Different Custom Scales In Tkinter Gui?

Facebook Selenium How Can I Get The Number Of Likes

I am trying to get the numbers of people who liked the post with the below code. I tried both metho… Read more Facebook Selenium How Can I Get The Number Of Likes

Finding Nearest Neighbours Of A Triangular Tesellation

I have a triangular tessellation like the one shown in the figure. Given N number of triangles in t… Read more Finding Nearest Neighbours Of A Triangular Tesellation

How To Use Ctypes Void ** Pointer In Python3

I would to connect a spectrometer by its DLL, one of function is defined as UINT UAI_SpectrometerOp… Read more How To Use Ctypes Void ** Pointer In Python3

Display List Of Ordereddict In Kivy

I have a list of Ordereddict as follows list1= [OrderedDict([('Numbers', '15'), (&… Read more Display List Of Ordereddict In Kivy

Flask-mail And Redis Queue Library Integration Giving Error

I am using Flask-Mail extension to enable mail sending in the app. I was not able to get celery wor… Read more Flask-mail And Redis Queue Library Integration Giving Error

In Python, Is There A Way To Extract A Embedded Json String?

So I'm parsing a really big log file with some embedded json. So I'll see lines like this… Read more In Python, Is There A Way To Extract A Embedded Json String?

Query Tangled Array In Pymongo

I am trying to query a very tangled collection. The schema: {'tags': {'variables':… Read more Query Tangled Array In Pymongo

Xarray.open_mfdataset() Doesn't Work If Dask.distributed Client Has Been Created

I have a bit of a weird problem that I'd appreciate some input on. Basically, I'm running a… Read more Xarray.open_mfdataset() Doesn't Work If Dask.distributed Client Has Been Created

Is It Possible In Kivy Gridlayout To Specify A Particular Grid For A Particular Widget

I have been using PyQt since a long time and i know that if we use QGridLayout in PyQt we can spec… Read more Is It Possible In Kivy Gridlayout To Specify A Particular Grid For A Particular Widget

Is It Possible To Just Get The Tags Without A Class Or Id With Beautifulsoup?

I have several thousands HTML sites and I am trying to filter the text from these sites. I am doin… Read more Is It Possible To Just Get The Tags Without A Class Or Id With Beautifulsoup?

How Do I Extend The Django Group Model?

Is there a way to extend the built-in Django Group object to add additional attributes similar to t… Read more How Do I Extend The Django Group Model?

Chromedriver Not Working On Python Selenium

I wrote a Selenium script in python and wrote an installer for in bash so that I could use that scr… Read more Chromedriver Not Working On Python Selenium

Type Hint For An Instance Of A Non Specific Dataclass

I have a function that accepts an instance of any dataclass. what would be an appropriate type hint… Read more Type Hint For An Instance Of A Non Specific Dataclass

Is This Pyqt 4 Python Bug Or Wrongly Behaving Code?

Following code should create the QGraphicsView widget which owns one QGraphicsScene having text ins… Read more Is This Pyqt 4 Python Bug Or Wrongly Behaving Code?

Python Logging - Multiple Modules

I'm working on a small python project that has the following structure - project -- logs -- … Read more Python Logging - Multiple Modules

Matrix Multiplication In Python And Mysql

I have a currency exchange dictionary, as follows: exchange_rates = {'USD': 1.00000, … Read more Matrix Multiplication In Python And Mysql

How To Get The Content Of A Tkinter Text Object

I'm trying to use tkinter.Text to create a text area in Python. With that, I want to get all th… Read more How To Get The Content Of A Tkinter Text Object

A Neater Way To Set Values At Indexes With Numpy

I have a numpy array initially with zeros, like this: v = np.zeros((5, 5)) v array([[ 0., 0., 0.… Read more A Neater Way To Set Values At Indexes With Numpy

Can Python Ctypes Load A 32bit C Library On X86-64?

I have a 64 bit RHEL host with 32 bit libraries installed. One vendor has a 32 bit .so I'd like… Read more Can Python Ctypes Load A 32bit C Library On X86-64?

How Can I Use The Same Dialog Box In Tkinter To Browse And Select Files And Directories?

I am using Tkinter for building a GUI for a python script. I need a button which opens up a dialog … Read more How Can I Use The Same Dialog Box In Tkinter To Browse And Select Files And Directories?

Opening A File With An Accented Character In Its Name, In Python 2 On Windows

In a directory in Windows I have 2 files, both of them with an accented character in its name: t1û.… Read more Opening A File With An Accented Character In Its Name, In Python 2 On Windows

Pyqt - Hide Mainwindow And Show Qdialog Without The Taskbar Icon Disappearing

I've been using the code from this example PyQt: How to hide QMainWindow: class Dialog_02(QtGui… Read more Pyqt - Hide Mainwindow And Show Qdialog Without The Taskbar Icon Disappearing

Django Admin Is_staff Based On Group

Is it possible to have is_staff selected by choosing a group? Let's say there are two groups: u… Read more Django Admin Is_staff Based On Group

Wxpython Draw Text Onto Existing Bitmap Or Image

I'm trying to add a background image to some text, I'm hoping to do this by using MemoryDC … Read more Wxpython Draw Text Onto Existing Bitmap Or Image

Parentheses And Quotation Marks In Output

Sometimes when I use the print function, parentheses and quotation marks appear in the output. I… Read more Parentheses And Quotation Marks In Output

Urllib Exception Http.client.badstatusline

I can't for the life of me figure out why I can't catch this exception. Looking here at th… Read more Urllib Exception Http.client.badstatusline

How Can I Set The Row Height In Tkinter Treeview?

I wrote a small app recently that needs to be cross-platform. I used Python and Tkinter for the GUI… Read more How Can I Set The Row Height In Tkinter Treeview?

How To Iterate Over A Numpy Matrix?

I have an matrix X = [[0. 0. 0. ... 0. 0. 0.] [0. 0. 0. ... 0. 0. 0… Read more How To Iterate Over A Numpy Matrix?

How To Click On A Username Within Web.whatsapp.com Using Selenium And Python

The bot is supposed to send message on whatsApp WEB but unfortunately is stopping and giving error … Read more How To Click On A Username Within Web.whatsapp.com Using Selenium And Python

Selecting Items In An Array By Using 2 Coordinates And Fill It

I'm making a Battleship game bot for a Discord server. I haven't implemented the Discord pa… Read more Selecting Items In An Array By Using 2 Coordinates And Fill It

Easy_install's --prefix Option Doesn't Change Where It Tries To Install My Package

I want to install Sphinx 1.1.3 for python 2.6. However, I don't have sudo rights. So instead of… Read more Easy_install's --prefix Option Doesn't Change Where It Tries To Install My Package

Two Apparently Equal Python Unicode Utf8-encoded Strings Don't Match

>>> str1 = unicode('María','utf8') >>> str2 = u'María'.en… Read more Two Apparently Equal Python Unicode Utf8-encoded Strings Don't Match

Convert Gzipped Data Fetched By Urllib2 To Html

I currently use mechanize to read gzipped web page as below: br = mechanize.Browser() br.set_handle… Read more Convert Gzipped Data Fetched By Urllib2 To Html

Why Calculating Small Fibonacci Sequence With Python Interpreter Faster Than Pypy

I was making some fibonacci calculations with PyPy, first i started with bigger numbers, PyPy was a… Read more Why Calculating Small Fibonacci Sequence With Python Interpreter Faster Than Pypy

Is There A Way To Rotate Text Around (or Inside) A Circle?

typical spinning wheelI am making a spinning wheel in Python tKinter. Usually, when you spin the wh… Read more Is There A Way To Rotate Text Around (or Inside) A Circle?

Why Is The Iteration Over This Loop Not Adding Cells In Openpyxl?

Given the following as the contents of the first sheet of an xlsx roi.xlsx: Then: wb = load_workbo… Read more Why Is The Iteration Over This Loop Not Adding Cells In Openpyxl?

Beautifulsoup Difference Between Findall And Findchildren

What is the difference? Don't they do the same thing - find the inside tags with given properti… Read more Beautifulsoup Difference Between Findall And Findchildren

Python - Can I Access The Object Who Call Me?

If I have this: class A: def callFunction(self, obj): obj.otherFunction() class B: … Read more Python - Can I Access The Object Who Call Me?

Python Idiom For Iterating Over Changing List

Is there a better (more obvious/idiomatic) way in python to write an equivalent of index = 0 while … Read more Python Idiom For Iterating Over Changing List

Convert Data Frame To Another Data Frame, Split Compound String Cell Into Individual Rows

I am looking to convert data frame df1 to df2 using Python. I have a solution that uses loops but I… Read more Convert Data Frame To Another Data Frame, Split Compound String Cell Into Individual Rows

Web Scraping Google Search Results

I am web scraping Google Scholar search results page by page. After a certain number of pages, a ca… Read more Web Scraping Google Search Results