Python Articles

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How to Separate View and Controller in Python Tkinter?

Gaurav Leekha
Gaurav Leekha
Updated on 15-Feb-2024 3K+ Views

GUI applications often require a clear separation between the presentation of data (view) and the application logic (controller). In Python's Tkinter, separating the View from the Controller is important for writing scalable code. In this tutorial, we will explore the concept of separating the view and controller in a Tkinter application and provide a recent example of a to-do list application. Understanding the MVC Design Pattern The Model-View-Controller (MVC) design pattern is a software architectural pattern commonly used in GUI applications. It divides the application into three interconnected components − Model − Represents the application's data and business logic. ...

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How to make tkinter frames in a loop and update object values?

Gaurav Leekha
Gaurav Leekha
Updated on 15-Feb-2024 1K+ Views

In this tutorial, we will explore the dynamic creation of Tkinter frames in a loop and the real-time update of object values within these frames. We'll walk through a practical example – building a dynamic task manager that allows users to manage a list of tasks with toggling statuses. Setting up Tkinter and Task Class Before diving into the main functionality, ensure Tkinter is installed − pip install tk Let's define a simple Task class representing a task with a name and a status − import tkinter as tk class Task: def __init__(self, ...

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How to listen to terminal on a Tkinter application?

Gaurav Leekha
Gaurav Leekha
Updated on 15-Feb-2024 2K+ Views

Combining the power of a terminal within a Tkinter application can enhance its functionality and versatility. In this tutorial, we will explore how to integrate terminal functionality into a Tkinter application using Python's subprocess module with a practical example. To comprehend the integration process, it's essential to have a clear understanding of the core components involved − Tkinter − Tkinter, the de facto GUI toolkit for Python, equips developers with a comprehensive set of tools and widgets for building graphical applications. The subprocess Module − Python's subprocess module is pivotal for creating additional processes, managing their input/output/error pipes, and ...

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How to move button outside of its parent with tkinter?

Gaurav Leekha
Gaurav Leekha
Updated on 15-Feb-2024 362 Views

While Tkinter excels in creating dynamic applications, certain challenges arise when attempting to manipulate the positions of widgets. In this tutorial, we will explain an advanced Tkinter technique and show how you can move a button beyond its parent's confines. Understanding Tkinter Hierarchy Tkinter follows a hierarchical structure where widgets are nested within their parent widgets. A widget's position and visibility are constrained within the boundaries of its parent. This limitation can be a hurdle when attempting to move a widget outside its parent's area. However, by utilizing Toplevel windows, we can create a workaround to overcome this constraint. Creating ...

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How to receive thread callbacks in Python?

Gaurav Leekha
Gaurav Leekha
Updated on 15-Feb-2024 3K+ Views

Multithreading is a powerful concept in programming, allowing developers to execute multiple tasks concurrently and improve overall program performance. In Python, the threading module provides a convenient way to implement multithreading. When working with threads, it's often necessary to receive callbacks to handle events or synchronize the execution of different threads. In this tutorial, we'll explore various techniques for receiving thread callbacks in Python. Threads in Python Before delving into thread callbacks, let's briefly review the basics of threading in Python. The threading module offers a high-level interface for creating and managing threads. Threads are lightweight processes that share the ...

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Generate Images With OpenAI in Python

Prakash Joshi
Prakash Joshi
Updated on 23-Jan-2024 387 Views

Introduction In this world where Generative AI is getting pretty popular, it should be of no surprise that we can generate images as well using AI. One such way to do so is to use the popular OpenAI, the creator of ChatGPT. Developers, writers, and designers are leveraging the ChatGPT API to get their job done faster. So, in this article, we will try to understand DALL-E by OpenAI which can be used to generate images. We will implement the ChatGPT API Python in a code. How to Generate Images with OpenAI in Python? To generate images with OpenAI and ...

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How to Use ChatGPT API in Python?

Prakash Joshi
Prakash Joshi
Updated on 23-Jan-2024 382 Views

Introduction Generative AI has been on the popular rounds for quite some time now and almost everyone is aware of ChatGPT, the popular Generative AI developed by OpenAI. Apart from using the platform as a chatbot, we can also use the ChatGPT API to implement code and build amazing applications for various use cases. In this article, we will be going through how we can use the OpenAI API in Python programming language to build something out of it and look at a few use cases as well. What is ChatGPT API? ChatGPT is a large language model developed by ...

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Sort the string as per the ASCII values of the characters

Disha Gupta
Disha Gupta
Updated on 22-Jan-2024 3K+ Views

ASCII Values ASCII (American Standard Code for Information Interchange) is the most common character encoding format for text data in computers and on the internet. In standard ASCII-encoded data, there are unique values for 256 alphabetic, numeric, or special additional characters and control codes. Problem Statement Now, in this problem, we need to find the sorted string as per ASCII values of the characters in increasing order, where the string will be the input given to us by the user. Let us see how we should proceed to solve this problem. Let’s try to understand this problem with the help ...

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Protected variable in Python

Devesh Chauhan
Devesh Chauhan
Updated on 19-Jan-2024 1K+ Views

In programming the concept of protected variable is used to create an access control system. In this system, we establish a hierarchy or level of access control. This concept solidifies the basis of object-oriented programming. The technical meaning of a protected variable remains the same but the syntax and behaviour may vary between different programming languages. Python follows the conventional logic of accessing and manipulating the attributes and methods, but the representation and degree of enforcement of access control is a little different. Understanding Protected Variables in Python Protected variables in python manages the internal use of the attributes and ...

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How to Convert Bytearray to Hexadecimal String using Python?

Niharika Aitam
Niharika Aitam
Updated on 03-Jan-2024 4K+ Views

What is Hexadecimal String? A hexadecimal string is a textual representation of data in the hexadecimal number system. In this system the numbers are represented using a base-16 notation which means in the combination of digits 0 to 9 and the letters A to F. Each hexadecimal digit corresponds to a 4-bit binary sequence which allowing compact representation of binary data. In a hexadecimal string each character represents a nibble i.e. 4 bits of data. Two hexadecimal characters together form a byte i.e. 8 bits. Hexadecimal strings are commonly used to represent binary data such as byte sequences, memory addresses, ...

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